Heat Pumps
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Three Types of Heat Pumps
Pros and cons of single-, two-, and multi-stage heat pumps for heating and cooling
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Sizing a Heat Pump System for Cooling
Remember this rule of thumb: 5 tons is never the answer
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What a 20 Million Heat Pump Commitment Means for the U.S.
A consortium of U.S. states and territories just announced a commitment to deploy 20 million heat pumps by 2030. Here’s why that matters.
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What’s the Most Energy-Efficient Water Heater?
The new generation of eco-friendly heat pump water heaters will reduce your home’s emissions while also shrinking your utility bills
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Will a Heat Pump Work in an Old House?
If the system is correctly sized and installed, then the answer is yes
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Heat Pumps in a Cold Climate
When the power goes out, what is the best backup system?
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Using NEEP Software to Size a Heat Pump
The Northeast Energy Efficiency Partnership provides a tool for analyzing heating and cooling–loads data to inform location-specific selection of heat pump equipment
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Strategies for Cooling Your House
Does turning the air conditioning off when you're not home actually save energy?
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Replacing an Air Conditioner With a Same-Size Heat Pump
When replacing a furnace with a heat pump, it's critical to determine the heating and cooling loads; do not assume the current system is sized correctly
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Undersized Heat Pump in an Arctic Blast
A heat pump's capacity to keep the house warm during an extreme cold weather event