Heat Pump- Page 4 of 5
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A Heat Pump Using Carbon Dioxide as the Refrigerant
A new generation of CO2-based heat pumps could avoid the high global warming potential of standard refrigerants and generate much higher temperatures
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Does a Heat Pump Condenser Need to Go Outdoors?
Once you look at the necessary heat exchanges, the answer is clear
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Are Affordable Ground-Source Heat Pumps On the Horizon?
Perhaps, but there’s only one problem: as we approach the horizon, the horizon keeps receding
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How to Choose the Right Mechanical System
There's no one system that works for all projects, so how do you choose?
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Two Years With a Minisplit Heat Pump
We’ve been heating our Massachusetts home for $250 a year
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Ductless Minisplit Heat Pumps
Heating and Cooling Without Central Ducts
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The Loophole and the Ozone Hole
How the EPA has let us (and the planet) down with its air conditioner regulations
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Are Seven Heads Better Than Three?
A GBA reader wonders how many ductless minisplit units he should install in his new house
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Air-Source or Ground-Source Heat Pump?
A homeowner weighs the choices for a heating and cooling system in Climate Zone 6
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A ‘Magic Box’ For Your Passivhaus
Can Americans buy a combination appliance incorporating an HRV, heat pump, and water heater?