Tag: hvac
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How Replacing a Furnace Can Make You Less Comfortable
Subtitle: The problem arises when upgrading to a high-efficiency unit Images: Let’s say your trusty old furnace is at the end of its life. You’ve got to buy a new one, so you call your HVAC(Heating, ventilation, and air conditioning). Collectively, the mechanical systems that heat, ventilate, and cool a building. company and they rush…
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Using Server Farms to Heat Buildings
Subtitle: Amazon is planning to heat its new Seattle offices with waste heat from a nearby data center Images: L…
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How to Tell If Your Air Conditioner Is Oversized
Subtitle: All you need is a timer and a thermometer — but data loggers make it easier Images: Back in 2009, I had a new air conditioner installed our condo. The previous one was an ancient 25 years old and barely limping along. It wasn’t cooling much, and the summer electric bills had risen. read…
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The Achilles’ Heel of Zoned Duct Systems
Subtitle: The way that many zoned duct systems handle excess air can create a few problems Images: Last week I wrote about what happens when you try to save energy by closing air conditioning registers in unused rooms. In the end, I recommended not doing it because you won’t save money and you may create…
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Is It OK to Close Air Conditioner Vents in Unused Rooms?
Subtitle: In most cases, the answer is no Images: …