REFRIGERANT SWITCH: A Greenheck DGX-P116 Makeup Air Unit. Greenheck Fan Corp. has begun offering direct ... use 50% less refrigerant, and transfer heat 40% more efficiently, Greenheck said.
The Family Handyman on MSN1y
Choosing Your Best Heating System for the HouseThese are the three types of ducted home heating systems: A furnace blows heated air through ducts, and the heated air is ...
The Family Handyman on MSN9mon
3 Eco-Friendly Heating Systems for Your Home in 2024Whether you're replacing your HVAC system or adding more heat in your spare room, here's how to make it ultra planet- and people-friendly.
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