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Water Heaters, Appliances & Lighting


Solution Center Guides


This case study presents a cold-climate project that examines an alternative approach to ground source heat pump (GSHP) ground loop design. The innovative ground loop design is an attempt to reduce the installed cost of the ground loop heat exchange portion of the system by containing the entire ground loop within the excavated location beneath the basement slab.

Guide describing how to install efficient clothes washers in new and existing homes.

Guide describing condensing clothes dryers, which have a secondary heat exchanger and do not require exterior venting.

Guide describing categories of direct-vent combustion space- and water-heating equipment and combustion safety testing.

Guide describing how to install dishwashers in new and existing homes.

Guide describing how to install ENERGY STAR rated dishwasher and clothes washers. 

Guide describing EPA WaterSense requirements for drinking water treatment systems.

Guide describing how to provide combustion air for fireplaces and how to test fireplaces for combustion safety.

Guide describing how to install a tankless hot water heater in a new or existing home to provide domestic hot water that is heated on demand without the standby losses associated with tank storage water heaters

Guide describing how to conduct a home performance assessment before beginning retrofit projects in existing homes.

Retrofit guide describing how to assess harmful gasses such as carbon monoxide, sulfur oxides, nitrogen oxides, and soot from existing combustion appliances.

Guide describing how to correctly vent a clothes dryer.

Guide describing how to install energy efficient refrigerators in new and exisitng homes.

Guide describing how to properly ventilate un-vented combustion appliances such as sealed fireplaces.

Guide describing how to determine an efficient and effective water softener.