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What Are Furnace Energy Efficiency Ratings?That’s when the National Appliance Energy Conservation Act of 1987 required all new furnaces be 78 percent efficient, meaning ...
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SEER, or Seasonal Energy Efficiency Ratio, measures how efficiently an HVAC system operates across an entire season, looking ...
The company says that its new SL22KLV heat pump system can supply heat in temperatures as low as -28.9 C. It uses R-454B as ...
A report highlights the increasing benefits of building energy efficiency codes, and maps the states that are adopting them. Building energy efficiency is a key element of a least-cost 100% renewables ...
Some years back, President Donald Trump explained his problem with energy-efficient lightbulbs: They make him look orange. We ...
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