Guide
Description
Guide describing the repair and reconfiguration of the air handler closet and platform when replacing the air handler.
Guide
Description
Guide describing design and installation of compact duct systems for central heating and cooling systems.
Video
Description
Video describing air source heat pump installation; part 13 of 14 describes miscellaneous items including air sealing, pest protection, environmental protection, checking attachments and supports, labeling, and double-checking for missed items.
Guide
Description
Guide describing the use of electronically commutated motors (ECMs) in HVAC central air handler fans to reduce power consumption compared to a single-stage fan motor.
Information Guide
Description
Information guide describing things to consider before attempting air sealing, insulating, and equipment retrofits in a home that has combustion appliances located within the home.
Case Study
Description
Case study describing the Green Home 3 project, which achieved a 44% whole-house energy savings over the Building America New Construction B10 Benchmark, DOE Zero Energy Ready Home certification, and National Green Building Standard Gold-level certification.
Case Study
Description
Case study describing combustion safety testing as an important step in upgrading for energy efficiency.
Case Study
Description
Case study describing a DOE Zero Energy Ready Home 2014 Housing Innovation Award winner that scored HERS 69 without PV and -1 with PV.
Reference
Description
Report describing research that helps inform best practices for air-sealing multifamily buildings in the Northeast.
Guide
Description
Guide describing how to install a bathroom exhaust fan to remove excess moisture.
Guide
Description
Guide describing how to upgrade or expand an existing HVAC system.
Guide
Description
Guide describing combustion furnaces with selection and installation guidance.
Guide
Description
Guide describing ground-source (geothermal) heat pumps including an overview of technology and guidance on compliance and installation.
Guide
Description
Guide describing how to improve boiler efficiency in multifamily central hydronic heating systems by installing thermostatically controlled radiator valves (TRV) to reduce temperatures in overheated spaces.
Guide
Description
Guide describing best practices for testing and commissioning heat pump systems using smart tools during and after installation.