https://www.powerhouseec.com/new-folder daily 0.75 2023-04-07 https://www.powerhouseec.com/blog-archive daily 0.75 2023-04-07 https://www.powerhouseec.com/blog-archive/building-electrification-has-come-to-ma-stretch-code-updates monthly 0.5 2023-06-12 https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892226061-PTIIWCL7W5ZJKHE71Q1Z/2023+Stretch+Code+update.+image001.png Blog Archive - Building electrification has come to MA - 2023 / 2024 Stretch Code updates - Make it stand out Required HERS indexes in the red box are for all residential projects permitted after Jan 1, 2023 https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892226071-SQ2SMW07234JVNETDZVG/R_A_excerpts_Stretch_and_Specialized_code_Regulation_Summary_06-24-22.jpg Blog Archive - Building electrification has come to MA - 2023 / 2024 Stretch Code updates - Make it stand out Existing building excerpt from the 2023 Stretch Code summary 6/24/22 https://www.powerhouseec.com/blog-archive/45l-tax-credit-extended-and-expanded monthly 0.5 2023-06-12 https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892226053-QBPI3FMB536INC9LG6HA/The_Inflation_Reduction_Act__Impact_on_%C2%A745L_Tax_Credit_-_ICS_Tax__LLC.jpg Blog Archive - 45L Tax Credit - extended and expanded. Get in the know. - Make it stand out Duplexes and town houses are treated as single family https://www.powerhouseec.com/blog-archive/builder-tax-credit monthly 0.5 2023-06-12 https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892226035-NPACHUCNIEU5WA61Z87Y/sample+45L+form.png Blog Archive - 2021 45L Builder’s Tax Credit for Energy Efficient Homes - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892226040-50N0S2BR1RFCMCDQXJP2/sample+45L+form+does+not+meet+reqs..png Blog Archive - 2021 45L Builder’s Tax Credit for Energy Efficient Homes - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://www.powerhouseec.com/blog-archive/code-compliant-specs monthly 0.5 2023-06-12 https://www.powerhouseec.com/blog-archive/the-path-to-stretch-code-compliance monthly 0.5 2023-06-12 https://www.powerhouseec.com/blog-archive/amherst-midpoint-inspection monthly 0.5 2023-06-12 https://www.powerhouseec.com/blog-archive/home-electrification monthly 0.5 2023-06-12 https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892225931-75YV4SQD22USFM8IMVW1/20210326_130341.jpg Blog Archive - Home Electrification: Worthy of a Wartime Effort https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892225947-R9DUSNMBXPSFK7CGW7XE/20210326_130440.jpg Blog Archive - Home Electrification: Worthy of a Wartime Effort https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892225959-0EUFY3UUQTVE1I5DZFTH/20210326_130542.jpg Blog Archive - Home Electrification: Worthy of a Wartime Effort https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892225970-TXEFU6XTCORGH5D8C2UA/20210413_094049.jpg Blog Archive - Home Electrification: Worthy of a Wartime Effort https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892225986-01ELTWLZD6SCWG02X4GQ/SolarBlogImg_141118_2-03.png Blog Archive - Home Electrification: Worthy of a Wartime Effort - Make it stand out Peak demand does not align with peak production. source: Green Building Advisor https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892225990-9VDUI5OD12JK9VP7PL3K/cost%2Bof%2Bheating.png Blog Archive - Home Electrification: Worthy of a Wartime Effort - Make it stand out heat pumps have the lowest cost per heating season of all the fuel types due to their high efficiency. Source: randrheating.com https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892225994-2U1Q2CKVEMX9AXM46MQH/churchill%2Band%2Bfdr.png Blog Archive - Home Electrification: Worthy of a Wartime Effort - Make it stand out source: winstonchurchill.org https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892225997-OQMEPXY7DV7NSF67WV6L/man%2Bon%2Bthe%2Bmoon.png Blog Archive - Home Electrification: Worthy of a Wartime Effort - Make it stand out image: NASA https://www.powerhouseec.com/blog-archive/tag/hers+rating monthly 0.5 https://www.powerhouseec.com/blog-archive/tag/45L+tax+credit monthly 0.5 https://www.powerhouseec.com/blog-archive/tag/home+efficiency monthly 0.5 https://www.powerhouseec.com/blog-archive/tag/builder+tax+credit monthly 0.5 https://www.powerhouseec.com/blog-archive/tag/HERS+rating monthly 0.5 https://www.powerhouseec.com/blog-archive/tag/midpoint+inspection monthly 0.5 https://www.powerhouseec.com/blog-archive/tag/blower+door+test monthly 0.5 https://www.powerhouseec.com/blog-archive/tag/electrification monthly 0.5 https://www.powerhouseec.com/blog-archive/tag/electric+heatpumps monthly 0.5 https://www.powerhouseec.com/blog daily 0.75 2025-02-01 https://www.powerhouseec.com/blog/2025-stretch-energy-code-update monthly 0.5 2025-02-01 https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/2ffad437-51b5-4e92-805d-fbce6b2e587a/R406_5_HERS_targets.jpg Blog - 2025 Stretch Energy Code update! A step backwards, in a good way - Make it stand out New HERS Rating requirements are in Red https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/e1953a9d-443d-4153-a15a-bafad85dae25/R401_2_Exceptions_APplications.jpg Blog - 2025 Stretch Energy Code update! A step backwards, in a good way - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/ca05a172-c54f-46f7-a264-fe1dedece217/R502_1_1_Existing_buildings_not_changed_footprint.jpg Blog - 2025 Stretch Energy Code update! A step backwards, in a good way - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/a8680603-3f00-425b-a77e-df03f34aa3a1/R503_1_5_ALterations_R_A.jpg Blog - 2025 Stretch Energy Code update! A step backwards, in a good way - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/48754dff-259c-4dae-8232-7c8f0b0304f4/R406_5_2_Emododied_Carbon.jpg Blog - 2025 Stretch Energy Code update! A step backwards, in a good way - Make it stand out There are 2 paths for this embodied carbon credit, that allows higher HERS ratings if low carbon materials are used https://www.powerhouseec.com/blog/attic-high-wall-air-sealing monthly 0.5 2024-10-28 https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/47ddca97-db43-46c3-a7cf-e81ee5a0b932/AD_4nXcOIl4HcOqRrOlYp7qb47PUT-B1qhEuqqD5NpV91cBeauSGTzf4W_kpYWGKDs7EYaPvMubsEvEm-JGm_3VR669L2vRB8bi_kANe1dolPigySgk9ld-CPalAvFDsHVLR-u1lN8n9qvl1nrekaCoRZ1LvqCdr.png Blog - Attic ‘High Wall’ Airsealing - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/63456441-ede0-40a2-a33f-43ebeb531cc1/down-net_http20241024-65-jll98k.jpg Blog - Attic ‘High Wall’ Airsealing - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://www.powerhouseec.com/blog/the-importance-of-planning-for-high-performance monthly 0.5 2024-08-02 https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/f259d4cc-8fa6-430c-9ff8-c4d7155520ce/Screenshot+2024-07-25+at+11.16.45%E2%80%AFAM.png Blog - The Importance of Planning for High Performance - Make it stand out Figure 1 - Breakdown of high performance building benefits. https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/fc726a35-4b13-4b2f-8846-450595f8c56f/Screenshot+2024-07-30+at+2.00.04%E2%80%AFPM.png Blog - The Importance of Planning for High Performance - Make it stand out Figure 2 - Site planning takes into account orientation for solar gain, natural shading, and wind protection. https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/b92686c8-698a-41c7-aeb9-d9325f50b52e/HERS+cert.jpg Blog - The Importance of Planning for High Performance - Make it stand out Figure 3 - Example of a low and passing projected HERS score. This is what builders/homeowners receive before final inspections take place. https://www.powerhouseec.com/blog/woodfiber-a-low-energy-insulation-option monthly 0.5 2024-07-30 https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1722347678224-3RW15Z0IUVHDVAFLX0E9/Cursor.jpg Blog - Wood Fiber, a Low Energy Insulation https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1722347722167-SA0YDPSLEWV4JNYL5TOO/Screenshot_7_30_24__9_55%E2%80%AFAM.jpg Blog - Wood Fiber, a Low Energy Insulation https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1722347741741-9XFQF4EMQ90IA866OZI4/Screenshot_7_30_24__9_55%E2%80%AFAM-2.jpg Blog - Wood Fiber, a Low Energy Insulation https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/939683d1-33c0-495a-84a4-a3b6443aef46/Production+Process+.jpg Blog - Wood Fiber, a Low Energy Insulation - Make it stand out image: TimberHP https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/a77832b5-d7a0-4914-a28c-565c87a589ac/Screenshot_7_30_24__9_59%E2%80%AFAM.jpg Blog - Wood Fiber, a Low Energy Insulation - Make it stand out HERS Rating software is beginning to offer reports and metrics around operational carbon load of homes. The future will include material carbon accounting as well! https://www.powerhouseec.com/blog/2021ieccguide monthly 0.5 2023-07-04 https://www.powerhouseec.com/blog/blog-post-title-one-576n7 monthly 0.5 2023-06-13 https://www.powerhouseec.com/hers-ratings daily 0.75 2026-03-02 https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892128612-BKMCL515ZV1ZR91V886T/skethup+5.png HERS Ratings | Code Compliance https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892128591-7RL03GQS3DW296VGSAA6/sketchup+1.png HERS Ratings | Code Compliance https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892128562-7Q7QUEWN91IZSMWOQXJ6/sketchup+4.png HERS Ratings | Code Compliance https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892128579-GS2KIS9GJKW8YDCSBC3D/sketchup+2.png HERS Ratings | Code Compliance https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892128603-GAVTI12R0Y3H14SGQBCB/sketchup+3.png HERS Ratings | Code Compliance https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/30c31441-50de-4d9f-b3e0-417c1095f6ac/HERS_Cert_example_Notification_Center.jpg https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892128539-JRNMLLV250HZU63JTMWF/The_Residences_at_Fort_Trumbull_skp_-_SketchUp_Pro_2019.jpg https://www.powerhouseec.com/ventilation daily 0.75 2025-09-23 https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892132844-ZCEYGQGYFQT73FKO7KI3/HRV_ERV+diagram+.png https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892132848-2KC2DEKFOVZKQBQD8G27/Webinars____NEHERS_%F0%9F%94%8A-2.jpg https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892132853-5HC6MMMKGD9WNXG3Q01D/Webinars____NEHERS_%F0%9F%94%8A.jpg https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/be791c6c-6a32-497f-b531-042fcf9f46dc/Cursor_and_Notification_Center.jpg https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/e3ab17d0-b37e-4fe5-91f4-f34c1c4d4597/Notification_Center.jpg https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892132857-198BNJUDYH33UN40R5UZ/B130E65RS___Broan%C2%AE_AI_Series%E2%84%A2_130_CFM_Energy_Recovery_Ventilator__ERV_-2.jpg https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/fbcaab0f-dea6-4a31-b6c1-42f7bc3d91ce/Notification_Center.jpg https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/394f9541-a518-42ee-8443-5be40320a7d4/Notification_Center.jpg https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/de394ea6-8509-4e47-b8d3-4927f3010e8a/CG4_diffuser.png https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/baa2c988-9556-4b8f-a3b3-f0f60f292c66/Zehnder_diffuser_Notification_Center.png https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/52e1c0fe-d633-465c-be08-855d6dcea241/Cursor_and_Notification_Center.jpg https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/59ce69e6-f652-4f19-955f-1c96f0502a4d/Notification_Center.jpg https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/7a3091b4-4766-474e-a341-a80883bfc6e2/LifeBreath.png https://www.powerhouseec.com/water-heating daily 0.75 2023-04-07 https://www.powerhouseec.com/guidance daily 0.75 2026-01-02 https://www.powerhouseec.com/build-guides daily 0.75 2024-08-05 https://www.powerhouseec.com/about daily 0.75 2023-06-14 https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/dade36a5-27a3-4179-be3b-c8153c296293/PHEC+Team+Notification_Center-2.jpg https://www.powerhouseec.com/continuous-rigid-insulation-sheathingsiding daily 0.75 2023-04-07 https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892145718-G749IAL7W2J1QU0GG5FB/Opera+Snapshot_2021-08-10_171453_basc.pnnl.gov.png Continuous Rigid Insulation Sheathing/Siding - Make it stand out Figure 1 - Building Right - All insulated boards are installed according to the manufacturer’s recommended fastening schedule and taping specifications. https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892145721-BCMPIN32EG2SGZTWAC5V/Opera+Snapshot_2021-08-10_171631_basc.pnnl.gov.png Continuous Rigid Insulation Sheathing/Siding - Make it stand out Figure 2 - Building Wrong - If the insulated sheathing will serve as an air barrier and drainage plane, any cuts and seams must be taped or sealed. https://www.powerhouseec.com/projects daily 0.75 2023-04-07 https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892148941-0HQGOME8S6RRO2DOGSRB/IMG_0156.jpeg Project Photos https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892148957-EB30WIO3W1K7OFU0ERKE/IMG_0310.jpeg Project Photos https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892148992-U9O698JHC226X0B9TCLO/IMG_0317.jpeg Project Photos https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892148950-ZA8C20LU63MRF6516BAI/IMG_0445.jpg Project Photos https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892149090-JWGL2DO7YE63U7QIJEY2/IMG_0535.jpeg Project Photos https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892148966-SBMTN6BLXXBVCOUAHEY0/IMG_0560.jpeg Project Photos https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892149136-IWEZ690OQYP18KPRSONO/IMG_0574.jpeg Project Photos https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892149117-TYZLT6H2IYT7L5BG13LC/IMG_0588.jpeg Project Photos https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892149001-LWHT696NS532MWJI6MAQ/IMG_0638.jpeg Project Photos https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892149157-WGYLYLQS3BKZIPNMAM9Y/IMG_0652.jpg Project Photos https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892148977-FQ5WAGK9LX5DFTAT1BN9/IMG_0768.jpeg Project Photos https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892149017-J23BH8SZDACNEOL5JQFE/IMG_0786.jpeg Project Photos https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892148984-PY2ASSX3BS4P31KB9RH2/IMG_0915.jpeg Project Photos https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892149033-NM6CWQPE1AN3001G0WT5/IMG_0926.jpeg Project Photos https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892149026-SJFRSHBSXRJD05YJUG1S/IMG_0991.jpeg Project Photos https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892149102-CJBNYZQZFUACQTNRT6P4/IMG_1010.jpeg Project Photos https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892149046-T5UDWJBWSJSA08EI1CUU/IMG_1037.jpg Project Photos https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892149077-25QGVJF2V6Y860NF062H/IMG_1056.jpeg Project Photos https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892149144-HC6V5T8T75HEILNG49DC/IMG_1207.jpg Project Photos https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892149055-209NHHE1B4S316UB2TXK/IMG_1217.jpeg Project Photos https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892149066-DF8WYWSBE4PLJSSN1YI6/IMG_2546.jpg Project Photos https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892149110-TN88RNSKJ5CZ12X8K65H/IMG_2616.jpeg Project Photos https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892149128-HQIM1L8M773KYS9G34DW/IMG_2690.jpg Project Photos https://www.powerhouseec.com/energy-star-appliances daily 0.75 2023-04-07 https://www.powerhouseec.com/hers-intake daily 0.75 2023-06-13 https://www.powerhouseec.com/code-levels-insulation daily 0.75 2023-04-07 https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892162989-I72H8ERL186B85EQPVQ9/EnergyStarWindows.jpg Insulation - Make it stand out ENERGY STAR Window Specs Required for Zero Energy Ready Home Projects. Massachusetts is in climate zone 5 (energy.gov). https://www.powerhouseec.com/hiring22 daily 0.75 2023-04-07 https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892165254-TU0DN0H0EYMALJ2UDHKF/Notification_Center.jpg 2022 hiring - We’re hiring 2 positions HVAC design support Summer Internship https://www.powerhouseec.com/building-diagnostics daily 0.75 2023-04-07 https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892167874-G92FR4K4KAWKTPW6ZDLK/blower+door+from+website.jpg Building Diagnostics | Commissioning - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892167878-7WA65J1R6KH2VEZCT8A4/IR_0348.jpg Building Diagnostics | Commissioning - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892167884-RHDYGV6ZZA0R53WANJ7P/image_2021-07-16_160936.png Building Diagnostics | Commissioning - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://www.powerhouseec.com/ceilings daily 0.75 2023-04-07 https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892170798-73D0HRUND8U9XF4CT6RX/Opera+Snapshot_2021-08-10_162407_basc.pnnl.gov.png Ceilings - Make it stand out Figure 1 - Raised heel energy trusses extend further past the wall and are deeper at the wall, allowing room for full insulation coverage over the top of the plate of the exterior walls. https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892170805-ESBJDWSE7XO3CBEON8ZL/Opera+Snapshot_2021-08-10_170228_basc.pnnl.gov.png Ceilings - Make it stand out Figure 2 - The soffit dam and baffle allow air to flow through the vents without disturbing the insulation covering the top plates. https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892170812-PLHF95AK2EB7PLME53T7/Opera+Snapshot_2021-08-10_170352_basc.pnnl.gov.png Ceilings - Make it stand out Figure 3 - Building Right - Wind baffle installation will allow proper installation depth over the top plate. https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892170816-S53SO6ZGG978IV9GHIY1/Opera+Snapshot_2021-08-10_170546_basc.pnnl.gov.png Ceilings - Make it stand out Figure 4 - Building Wrong - Wind baffle installation will not allow insulation over the top plate. https://www.powerhouseec.com/air-sealing-drywall-to-top-plate daily 0.75 2023-04-07 https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892177070-4G8YXNK3C9E65IMS1K2A/Opera+Snapshot_2021-08-10_154635_basc.pnnl.gov.png Air Sealing Drywall to Top Plate - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892177075-LN0D34AG17K0IQHOX8TY/Opera+Snapshot_2021-08-10_154737_basc.pnnl.gov.png Air Sealing Drywall to Top Plate - Make it stand out Wrong- Top plate to drywall connection not sealed https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892177079-D4WSWLCMF4Z5Z85YDC32/Opera+Snapshot_2021-08-10_154818_basc.pnnl.gov.png Air Sealing Drywall to Top Plate - Make it stand out Right- Top plate to drywall connection sealed from attic with foam sealant https://www.powerhouseec.com/home daily 1.0 2025-04-01 https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/e0ceb5ed-3ccd-473a-94fc-4b27653b7d8b/Notification_Center.jpg https://www.powerhouseec.com/air-sealing-attached-garage daily 0.75 2024-07-30 https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/a41b6b5a-df25-4245-8e56-de3a1719944a/ES_TESRC_3.1.8_PG70_94h_102811_0.jpg https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/2c28e550-fc7f-4a1a-b155-7695b898b273/ES_TESRC_3.1.8_PG70_93g_102811_0.jpg https://www.powerhouseec.com/programs-and-rebates daily 0.75 2026-01-02 https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/92fbb986-5746-4733-b0ce-6f60e6604acb/2025%3A26+RNC+SF+rebate.png https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/bbdf12ce-c674-488a-88bf-c2d066b13daf/2025%3A26+RNC+MFLR+rebate.png https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/f66a096b-1309-4f5b-9283-048c16008ab8/2025%3A26+R%26A+rebate.jpg https://www.powerhouseec.com/zero-energy-ready-home daily 0.75 2026-01-14 https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/71f4f01e-17d6-4ceb-abce-1a052417e36a/ZeroEnergyReady+logo+smaller.jpg https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/161cb338-d047-421c-97d7-78e3bee7f5a2/Project_Certification_Overview___Phius_Project_Certification_Overview-2.jpg https://www.powerhouseec.com/attic-eave-minimum-insulation daily 0.75 2024-07-30 https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892190828-ZYKYZ4JR220HVMIDOTCA/Opera+Snapshot_2021-08-10_162407_basc.pnnl.gov.png https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892190834-ALF2GR1KMBMIWA8RTZJY/Opera+Snapshot_2021-08-10_162524_basc.pnnl.gov.png https://www.powerhouseec.com/ducted-returns daily 0.75 2024-07-30 https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892194404-4X6SDT8GY96DY67S62Q0/Opera+Snapshot_2021-08-10_173435_basc.pnnl.gov.png https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892194412-VAOO8X7YH4LHU2P2K8JW/Opera+Snapshot_2021-08-10_173416_basc.pnnl.gov.png https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/5da99634-f030-46cd-b4c7-d56c870a9ab2/Screenshot+2024-07-30+at+12.09.14%E2%80%AFPM.jpg https://www.powerhouseec.com/home-performance-galleries daily 0.75 2023-04-07 https://www.powerhouseec.com/energy-star-v31 daily 0.75 2025-07-21 https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/b451815f-f09a-4bf1-ada7-ea6238b029d4/Estar+vertical+partner_v_c.png https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/13e0f101-e452-43c4-bbb0-67bd817b246c/Notification_Center.jpg https://www.powerhouseec.com/airtight-zip daily 0.75 2023-04-07 https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892202388-V4UJLUQ92CVLP04TW5QV/zip+window.JPG Airtight ZIP - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892202395-U5MI3CUMY1ZR46PB0PGX/window+bad.JPG Airtight ZIP - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892202398-RMYKUL5INS6GIS66DXUV/liquid+applied+at+foundation.JPG Airtight ZIP - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892202403-WKACW63S4YPSKAYKQMBX/tape+to+foundation.JPG Airtight ZIP - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://www.powerhouseec.com/ducts-buried-in-attic-insulation daily 0.75 2023-04-07 https://www.powerhouseec.com/duct-leakage-to-outdoors daily 0.75 2023-04-07 https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892206005-763B1DH22P85XNV9N0H6/Opera+Snapshot_2021-08-10_172630_basc.pnnl.gov.png Duct Leakage to Outdoors - Make it stand out Figure 1 - Building Right - Boot has been covered with insulation and sealed with mastic. https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892206010-RMOJQ9LHYEPVT10E54Y2/Opera+Snapshot_2021-08-10_172813_basc.pnnl.gov.png Duct Leakage to Outdoors - Make it stand out Figure 2 - Building Wrong - Insulation does not cover boot and is not sealed. https://www.powerhouseec.com/pv-design daily 0.75 2023-04-07 https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892209733-15NVING4D7C20SZNCLX4/pv+design+report.jpg PV Design - Make it stand out Your Report is generated with data from the preliminary HERS model at no additional cost. https://www.powerhouseec.com/ra-intake daily 0.75 2026-01-02 https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/b5154028-6fbf-4b82-8e6e-17625f95f010/2025%3A26+R%26A+rebate.jpg https://www.powerhouseec.com/contact daily 0.75 2026-01-02 https://www.powerhouseec.com/pv-ready daily 0.75 2023-04-07 https://www.powerhouseec.com/attic-knee-walls daily 0.75 2023-04-07 https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892214245-O424XS9XJRWYDCNUCXDG/Opera+Snapshot_2021-08-10_162835_basc.pnnl.gov.png Attic Knee Walls - Make it stand out Figure 1 - One way to air seal and insulate kneewalls - add insulation and a rigid air barrier along roof line of unconditioned attic space outside kneewall. https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892214251-1FKATR547EI0YKWTSK58/Opera+Snapshot_2021-08-10_163023_basc.pnnl.gov.png Attic Knee Walls - Make it stand out Wrong - Improperly installed insulation and no rigid backing. https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892214261-ZRXEEPAA08PQA00I4CAA/Opera+Snapshot_2021-08-10_163046_basc.pnnl.gov.png Attic Knee Walls - Make it stand out Right - Properly insulated, backed, and air sealed knee wall. https://www.powerhouseec.com/air-sealing-sill-plates daily 0.75 2023-04-07 https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892217486-SVF66F9A951HAJ0F2QSH/Opera+Snapshot_2021-08-10_161542_basc.pnnl.gov.png Air Sealing Sill Plates - Make it stand out Figure 1: A sill sealer and termite shield are installed between the sill plate and the foundation on a raised slab foundation. https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892217496-KOEJOMOE3D0OJ5ZF14YL/Opera+Snapshot_2021-08-10_161735_basc.pnnl.gov.png Air Sealing Sill Plates - Make it stand out Wrong- foam sprayed at exterior sheathing and sill plate connection leaving gaps beneath the sill plate. https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892217500-CDG7OPVK4E5PFDJ7NXNJ/Opera+Snapshot_2021-08-10_161812_basc.pnnl.gov.png Air Sealing Sill Plates - Make it stand out Right- installed foamed exterior sheathing connection as well as the sill plate to sub-floor connection https://www.powerhouseec.com/capillary-break-beneath-slab daily 0.75 2023-04-07 https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892220398-AT0R1ELCIMBPUVD63XWZ/Opera+Snapshot_2021-08-10_164146_basc.pnnl.gov.png Capillary Break Beneath Slab - Make it stand out Figure 1 - A capillary break of aggregate and polystyrene is installed under the slab but no capillary break separates the footing from the stem wall so water can wick up into the house. This is a poor design. https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892220404-YSAJ4SIBB1Y1H262LJ1S/Opera+Snapshot_2021-08-10_164339_basc.pnnl.gov.png Capillary Break Beneath Slab - Make it stand out Figure 2 - A foundation with a capillary break of aggregate and a polystyrene layer installed continuously from stem wall to slab. This design breaks the flow of water through the footer into the house. https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892220409-OAZ39L55KXWJJTPCB38N/Opera+Snapshot_2021-08-10_164703_basc.pnnl.gov.png Capillary Break Beneath Slab - Make it stand out Figure 3 - Polystyrene is laid over aggregate and over footing to provide a capillary break between the ground and the slab and between the footing and the stem wall. https://www.powerhouseec.com/compact-air-distribution daily 0.75 2023-04-07 https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892223546-MN09GA9IWOZCAMWCK3VL/Opera+Snapshot_2021-08-10_170913_basc.pnnl.gov.png Compact Air Distribution - Make it stand out Figure 1 - A compact duct layout uses short, straight duct runs and sidewall supply registers that are near the centrally located furnace and direct air towards exterior walls. https://www.powerhouseec.com/indoor-airplus daily 0.75 2023-04-07 https://www.powerhouseec.com/continuous-air-barrier-in-exterior-walls daily 0.75 2023-04-07 https://www.powerhouseec.com/code-compliant-specs daily 0.75 2023-04-07 https://www.powerhouseec.com/dropped-ceilingsoffit-below-unconditioned-attic daily 0.75 2023-04-07 https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892232503-HMVOUH3KQFCU64HDZYQO/Opera+Snapshot_2021-08-10_172030_basc.pnnl.gov.png Dropped Ceiling/Soffit below Unconditioned Attic - Make it stand out Figure 1 - Building Right - Air barrier between the dropped ceiling/soffit and the attic is present. https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892232509-GFLJLD11CBDIKGGFDBTB/Opera+Snapshot_2021-08-10_172211_basc.pnnl.gov.png Dropped Ceiling/Soffit below Unconditioned Attic - Make it stand out Figure 2 - Building Wrong - No air barrier present between the dropped ceiling/soffit and the attic. https://www.powerhouseec.com/slab-edge-insulation daily 0.75 2023-10-12 https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892235829-J50933XAMZAVF66I0VHH/independent+slab.png Slab Edge Insulation - Make it stand out Proper insulation placement when the slab is independent of foundation walls. https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892235835-0OLTSLELUF6NTNX1DSW7/slab+edge+monolithic.png Slab Edge Insulation - Make it stand out Monolithic slab with rigid insulation on the exterior of the slab extending fully from the bottom to the top of the concrete. https://www.powerhouseec.com/cantilevered-floor daily 0.75 2023-04-07 https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892238724-FL62HAKZQLT0BAFF2FIG/Opera+Snapshot_2021-08-10_163423_basc.pnnl.gov.png Cantilevered Floor - Make it stand out Figure 1 - Rigid foam and caulk are used to seal each joist bay cavity beneath a cantilevered floor. https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892238729-BUBNZS9CITVIJDH0H0CK/Opera+Snapshot_2021-08-10_163559_basc.pnnl.gov.png Cantilevered Floor - Make it stand out Figure 2 - All seams are caulked to completely air seal the subfloor of the cantilever. https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892238733-6C69F79YUGEID6L0MON4/Opera+Snapshot_2021-08-10_163654_basc.pnnl.gov.png Cantilevered Floor - Make it stand out Figure 3 - Fill the joist bays of the cantilevered floor with fiberglass batt or spray foam. https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892238740-ROE2XS8SCYJOZWCX6GP2/Opera+Snapshot_2021-08-10_163807_basc.pnnl.gov.png Cantilevered Floor - Make it stand out Figure 4 - Cover the cantilevered floor cavity insulation with rigid foam. https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892238748-970D6F18UY9AM8TWIU95/Opera+Snapshot_2021-08-10_163911_basc.pnnl.gov.png Cantilevered Floor - Make it stand out Figure 5 - Cover the rigid foam on the underside of the cantilever with painted plywood. https://www.powerhouseec.com/mass-save-ra-_draft daily 0.75 2023-05-16 https://www.powerhouseec.com/hhmerger daily 0.75 2023-06-13 https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/1680892241892-108JDQT6LH5IM1IV2URP/HH_Logo.jpg https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/a114c9ec-5096-40c9-b540-1805657fe141/PHEC_revised_logo_low_res.jpg https://www.powerhouseec.com/modular-homes daily 0.75 2023-07-06 https://www.powerhouseec.com/compartmentalization daily 0.75 2024-01-30 https://www.powerhouseec.com/ventilationworkshop daily 0.75 2025-03-17 https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/f6134e43-c4be-4650-af71-6ee033fba4e3/brinkforwebcomplete_c1a15200-f004-4c71-a3c9-b4df24e0ea11.jpg https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/e2b25bc4-74b5-47d4-add7-9c127e2fd9df/system_in_cut_winter-1.jpg https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/dd9db1fb-0372-4bf1-aa36-5178b08c01b1/HRV-with-dedicated-ventilation-ductwork-700x517.jpg https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/99b219ac-2af0-43da-8da4-fb73dbc06eb1/IMG_6021.jpeg https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/e2b25bc4-74b5-47d4-add7-9c127e2fd9df/system_in_cut_winter-1.jpg https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/8ebfc8e3-0b45-454e-923e-3a2be7bb1d2f/475.supply-logo-v2-color.jpeg https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/864b60dc-c6c8-4550-be87-bd4bb2ca345a/b-d-logo-website-02.png https://www.powerhouseec.com/passive-house-phius daily 0.75 2025-02-14 https://www.powerhouseec.com/bsandbeer daily 0.75 2026-01-20 https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/4011cf09-18c9-4db8-8c99-d226301749c1/Unknown.png https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/f928a0b4-99e3-46e8-89a4-9a20de891a6d/ABB-Black.jpeg https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/b1b4d7a5-6095-4d4a-bfff-d114a77899eb/Unknown.png https://images.squarespace-cdn.com/content/v1/643060df247a296c35fdd8a8/22bceb0e-acc4-408b-8f2f-95ea117ef748/PHEC_revised_logo_low_res.jpg