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It gathers commissioning overview data, verifies refrigerant charge and operating conditions, captures key TXV or fixed-orifice subcooling/superheat measurements and tolerances, and measures indoor fan airflow using static pressure test holes. It also addresses optional air balancing of supply registers and return grilles, with supporting reports and verification criteria.",{"@graph":63,"@context":118},[64,80,101],{"@type":65,"itemListElement":66},"BreadcrumbList",[67,71,74,77],{"item":68,"name":69,"@type":70,"position":9},"https://docshare.wps.com","Home","ListItem",{"item":72,"name":10,"@type":70,"position":73},"https://docshare.wps.com/template/",2,{"item":75,"name":36,"@type":70,"position":76},"https://docshare.wps.com/template/forms/",3,{"item":78,"name":59,"@type":70,"position":79},"https://docshare.wps.com/template/energy-star-single-family-new-homes-national-hvac-commissioning-checklist-rev-14/253831/",4,{"url":78,"name":59,"@type":81,"image":82,"author":87,"headline":59,"publisher":90,"fileFormat":93,"inLanguage":57,"description":61,"dateModified":94,"datePublished":95,"encodingFormat":93,"isAccessibleForFree":96,"interactionStatistic":97},"DigitalDocument",{"url":83,"@type":84,"width":85,"height":86},"https://docshare.wps.com/thumbnails/energy-star-single-family-new-homes-national-hvac-commissioning-checklist-rev-14/253831.png","ImageObject",442,249,{"name":88,"@type":89},"Mason","Person",{"url":68,"name":91,"@type":92},"DocShare","Organization","application/pdf","2026-10-22","2026-09-13",true,{"@type":98,"interactionType":99,"userInteractionCount":8},"InteractionCounter",{"@type":100},"ViewAction",{"@type":102,"mainEntity":103},"FAQPage",[104,110,114],{"name":105,"@type":106,"acceptedAnswer":107},"What is required from the commissioning contractor to use this checklist?","Question",{"text":108,"@type":109},"The commissioning contractor must be credentialed by an HVAC oversight organization and complete and sign one checklist for each HVAC system that is commissioned. The completed checklist must be retained for at least three years and provided to relevant parties upon request.","Answer",{"name":111,"@type":106,"acceptedAnswer":112},"How does the checklist handle refrigerant charge testing conditions?",{"text":113,"@type":109},"The system must run for 15 minutes before testing. If the outdoor ambient temperature at the condenser is below 55°F (or below the manufacturer’s recommended minimum for cooling), the contractor records the temperature in Item 2. If applicable, check N/A in the section, and some single-packaged systems (e.g., PTAC) are exempt.",{"name":115,"@type":106,"acceptedAnswer":116},"What measurements are required for TXV versus fixed-orifice systems?",{"text":117,"@type":109},"For TXV systems, the checklist captures condenser saturation temperature and calculates subcooling, then compares results to OEM subcooling goal and allowable deviation. For fixed-orifice systems, it records evaporator saturation temperature and calculates superheat, then compares results to the OEM superheat goal using superheat tables and the specified items.","https://schema.org",{"og:url":78,"og:type":120,"og:title":59,"og:site_name":91,"og:description":61},"article",{"robots":122,"canonical":78},"index,follow",{"doc_id":124,"site_id":56},253831,1790955094,{"code":4,"msg":5,"data":127},{"doc_id":124,"user_id":128,"nickname":88,"user_avatar":129,"doc_module":9,"category_id":35,"category_name":36,"doc_title":59,"doc_description":61,"doc_content":130,"file_id":131,"file_url":132,"file_type":133,"file_size":134,"view_count":8,"is_deleted":4,"is_public":9,"is_downloadable":9,"audit_status":9,"page_count":73,"language":135,"language_code":57,"site_id":56,"html_lang":57,"table_of_contents":136,"faqs":137,"seo_title":138,"seo_description":61,"update_tm":139,"read_time":9},5909887256941,"https://ap-avatar.wpscdn.com/davatar_9964176cb1d06d4a9deccf72a44ae3dc","ENERGY STAR Single-Family New Homes  \nNational HVAC Commissioning Checklist, Version 3.1/3.2/3.3 (Rev. 14) 1, 2  \n\n| HVAC Commissioning Contractor Responsibilities:\u003Cbr>• The commissioning contractor must be credentialed by an HVAC oversight organization to complete this checklist. One checklist must be completed and signed by the commissioning contractor for each HVAC system that is commissioned.\u003Cbr>• The completed checklist for each commissioned system, along with the corresponding National HVAC Design Report, shall be retained by the contractor for a minimum of three years for quality assurance purposes. Furthermore, the contractor shall provide the completed checklist to the builder, the Rater 3 responsible for certifying the home, and the HVAC oversight organization upon request.\u003Cbr>• [Visit](Visit www.energystar.gov/newhomeshvac for)[ ](Visit www.energystar.gov/newhomeshvac for)[www.energystar.gov/newhomeshvac](Visit www.energystar.gov/newhomeshvac for)[ for](Visit www.energystar.gov/newhomeshvac for) information about the credential requirement and this checklist. |  |  |\n| --- | --- | --- |\n| 1. Commissioning Overview |  |  |\n| 1.1 Contractor name  Contractor company  Date \u003Cbr>1.2 Organization that your company is credentialed with: 􀂅 ACCA 􀂅 Advanced Energy 􀂅 NYSERDA\u003Cbr>1.3 Builder client name:  \u003Cbr>1.4 Home address:   City:   State:   Zip code:  \u003Cbr>1.5 National HVAC Design Report corresponding to this system has been collected from designer or builder. 􀂅 Contractor-verified\u003Cbr>1.6 Area that system serves, per Item 1.4 of National HVAC Design Report: 􀂅 Whole-house 􀂅 Upper-level 􀂅 Lower-level 􀂅 Other  \u003Cbr>1.7 House plan, per Item 1.6 of National HVAC Design Report:  􀂅 Site-specific design 􀂅 Group design \\#:   |  |  |\n| 2. Refrigerant Charge-Run system for 15 minutes before testing. If outdoor ambient temperature at the condenser is \u003C 55°F or, if known, below the manufacturer-recommended minimum operating temperature for the cooling cycle, then the system shall include a TXV, the outdoor temperature shall be recorded in Item 2. 1, and the contractor shall check “N/A” in this Section. 4 Ducted or nonducted single-packaged systems (i.e. , PTAC) are exempt from this section. | Contractor Verified | N/A |\n| 2.1 Outdoor ambient temperature at condenser:   °F DB\u003Cbr>2.2 Return-side air temperature inside duct near evaporator, during cooling mode:   °F WB\u003Cbr>2.3 Liquid line pressure:   psig\u003Cbr>2.4 Liquid line temperature:   °F DB\u003Cbr>2.5 Suction line pressure:   psig\u003Cbr>2.6 Suction line temperature:   °F DB | - | - |\n|  | - | 􀂅 |\n|  | - | 􀂅 |\n|  | - | 􀂅 |\n|  | - | 􀂅 |\n|  | - | 􀂅 |\n| For System with Thermal Expansion Valve (TXV): |  |  |\n| 2.7 Condenser saturation temperature:   °F DB (Using Item 2.3)\u003Cbr>2.8 Subcooling value:   °F DB (Item 2.7- Item 2.4)\u003Cbr>2.9 OEM subcooling goal:   °F DB\u003Cbr>2.10 Subcooling deviation:   °F DB (Item 2.8 – Item 2.9) | - | 􀂅 |\n|  | - | 􀂅 |\n|  | - | 􀂅 |\n|  | - | 􀂅 |\n| For System with Fixed Orifice: |  |  |\n| 2.11 Evaporator saturation temperature:   °F DB (Using Item 2.5)\u003Cbr>2.12 Superheat value:   °F DB (Item 2.6 – Item 2.11)\u003Cbr>2.13 OEM superheat goal:   °F DB (Using superheat tables and Items 2.1 & 2.2)\u003Cbr>2.14 Superheat deviation:   °F DB (Item 2.12 – Item 2.13) | - | 􀂅 |\n|  | - | 􀂅 |\n|  | - | 􀂅 |\n|  | - | 􀂅 |\n| 2.15 Item 2.10 is ± 3°F or Item 2.14 is ± 5°F | 􀂅 | 􀂅 |\n| 2.16 An OEM test procedure (e.g. , as defined for a ground-source heat pump) has been used in place of the sub-cooling or super-heat process and documentation has been attached that defines this procedure. | 􀂅 | 􀂅 |\n| 3. Indoor HVAC Fan Airflow |  |  |\n| 3.1 The mode with the higher design HVAC fan airflow used , per Item 5.2 of National HVAC Design Report:\u003Cbr>􀂅 Heating 􀂅 Cooling\u003Cbr>3.2 Static pressure test holes have been created, and test hole locations are well-marked and accessible.\u003Cbr>Test hole location for return external static pressure: 􀂅 Plenum 􀂅 Cabinet 􀂅 Transition 􀂅 Other:   Test hole location for supply external static","cbCaid2njK0EaYv4","https://ap.wps.com/l/cbCaid2njK0EaYv4","pdf",364431,"English","# 1. Commissioning Overview\n## 1.1 Contractor name\n## 1.2 Credentialed organization\n## 1.3 Builder client name\n## 1.4 Home address\n## 1.5 National HVAC Design Report\n## 1.6 Area served\n## 1.7 House plan\n# 2. Refrigerant Charge-Run System Test\n## 2.1 Outdoor ambient temperature\n## 2.2 Return-side air temperature\n## 2.3-2.6 Pressure and temperature\n## For Systems with TXV: 2.7-2.10\n## For Systems with Fixed Orifice: 2.11-2.14\n# 3. Indoor HVAC Fan Airflow\n## 3.1 Design fan airflow mode\n## 3.2 Static pressure test holes\n## 3.3-3.8 Static pressure and airflow verification\n# 4. Air Balancing of Supply Registers & Return Grilles (Recommended)","[{\"question\":\"What is required from the commissioning contractor to use this checklist?\",\"answer\":\"The commissioning contractor must be credentialed by an HVAC oversight organization and complete and sign one checklist for each HVAC system that is commissioned. The completed checklist must be retained for at least three years and provided to relevant parties upon request.\"},{\"question\":\"How does the checklist handle refrigerant charge testing conditions?\",\"answer\":\"The system must run for 15 minutes before testing. If the outdoor ambient temperature at the condenser is below 55°F (or below the manufacturer’s recommended minimum for cooling), the contractor records the temperature in Item 2. If applicable, check N/A in the section, and some single-packaged systems (e.g., PTAC) are exempt.\"},{\"question\":\"What measurements are required for TXV versus fixed-orifice systems?\",\"answer\":\"For TXV systems, the checklist captures condenser saturation temperature and calculates subcooling, then compares results to OEM subcooling goal and allowable deviation. For fixed-orifice systems, it records evaporator saturation temperature and calculates superheat, then compares results to the OEM superheat goal using superheat tables and the specified items.\"}]","ENERGY STAR Single-Family New Homes - National HVAC Commissioning Checklist - Rev. 14 | PDF",1789270807]