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Ask Our Experts: What is Passive Solar Heating?

December 27, 2021

Note: Article originally published on January 24, 2016. Content and graphics revised on December 27, 2021. Question for Our Experts: I’ve heard about residential solar energy systems that require solar…

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Ask Our Experts: What is an Evaporative Cooler?

December 27, 2021

Note: Article originally published on May 15, 2017. Content and graphics revised on December 27, 2021. Question for Our Experts: What is an evaporative cooler, generally speaking?   Our Experts’…

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Ask Our Experts: What is a Heat Pump?

December 27, 2021

Note: Article originally published on July 14, 2014. Content and graphics revised on December 27, 2021. Question for Our Experts What is a heat pump? Air conditioners are pretty straightforward. So are…

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How Geothermal HVAC Systems Work and the Benefits They Provide

December 27, 2021

Note: Article originally published on June 30, 2016. Content and graphics revised on December 27, 2021. If you own a home or business, you’d probably sign up in a heartbeat…

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What to Do Before Placing a Heating-Related Service Call

December 27, 2021

Note: Article originally published on December 13, 2019. Content and graphics revised on December 27, 2021. Imagine it’s a cold winter morning in Pennsylvania. You wake up to a chilled…

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Ask Our Experts: Are Programmable Thermostats Worth It?

December 13, 2019

You might have heard that programmable thermostats may lead to significant cost and environmental savings — but are programmable thermostats really worth it? This is a smart question, but it’s impossible…

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