air conditioning Archives - Energy Vanguard https://www.energyvanguard.com/tag/air-conditioning/ Building science knowledge, HVAC design, & fun Mon, 21 Oct 2024 22:02:00 +0000 en-US hourly 1 https://wordpress.org/?v=6.6.2 10 Ways to Reduce Your Indoor Humidity https://www.energyvanguard.com/blog/10-ways-to-reduce-your-indoor-humidity/ https://www.energyvanguard.com/blog/10-ways-to-reduce-your-indoor-humidity/#view_comments Tue, 30 Jul 2024 00:21:10 +0000 https://www.energyvanguard.com/?p=9137 With our changing climate, more people are having to deal with higher humidity for longer periods of time this summer.  I’d say this has been probably the worst summer for humidity since I moved to Georgia in the summer of…

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]]> https://www.energyvanguard.com/blog/10-ways-to-reduce-your-indoor-humidity/feed/ 22 10 Ways Your House Is Haunted https://www.energyvanguard.com/blog/10-ways-your-house-is-haunted/ https://www.energyvanguard.com/blog/10-ways-your-house-is-haunted/#view_comments Tue, 31 Oct 2023 15:47:14 +0000 https://www.energyvanguard.com/?p=8675 Imagine the house of your dreams.  It’s beautiful and laid out efficiently.  You’re always comfortable.  It promotes health and happiness.  The operating costs are low.  You don’t have to spend much to maintain it.  You don’t get a lot of…

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]]> https://www.energyvanguard.com/blog/10-ways-your-house-is-haunted/feed/ 9 Cooling Load Variation With Changing Temperatures https://www.energyvanguard.com/blog/cooling-load-variation-with-changing-temperatures/ https://www.energyvanguard.com/blog/cooling-load-variation-with-changing-temperatures/#view_comments Wed, 28 Jun 2023 13:48:18 +0000 https://www.energyvanguard.com/?p=8379 Sizing an air conditioner (or heat pump) shouldn’t be left to guesswork.  That’s why we have engineering protocols like ACCA Manual J for calculating the amount of cooling load a house experiences.  Among the factors that contribute are the outdoor…

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]]> https://www.energyvanguard.com/blog/cooling-load-variation-with-changing-temperatures/feed/ 12 5 Tips for Sizing an Air Conditioner https://www.energyvanguard.com/blog/5-tips-for-sizing-an-air-conditioner/ https://www.energyvanguard.com/blog/5-tips-for-sizing-an-air-conditioner/#view_comments Tue, 20 Jun 2023 13:07:19 +0000 https://www.energyvanguard.com/?p=8344 So you’re getting a new air conditioner!  Well, what size should you get?  Unfortunately, too many contractors use only one input for sizing an air conditioner.  Yup.  To them, it’s just a matter of floor area.  Forget the windows, the…

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]]> https://www.energyvanguard.com/blog/5-tips-for-sizing-an-air-conditioner/feed/ 21 Can a Heat Pump Water Heater Replace an Air Conditioner? https://www.energyvanguard.com/blog/can-a-heat-pump-water-heater-replace-an-air-conditioner/ https://www.energyvanguard.com/blog/can-a-heat-pump-water-heater-replace-an-air-conditioner/#view_comments Tue, 16 May 2023 16:28:17 +0000 https://www.energyvanguard.com/?p=6518 The most common type of heat pump water heater takes heat from the air and puts it into water.  Of course, that’s what all heat pumps do, right?  Take heat from one place and put it in another.  By removing…

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]]> https://www.energyvanguard.com/blog/can-a-heat-pump-water-heater-replace-an-air-conditioner/feed/ 65 Air Conditioner Sizing: Load Calculations vs Rules of Thumb https://www.energyvanguard.com/blog/air-conditioner-sizing-load-calculations-vs-rules-of-thumb/ https://www.energyvanguard.com/blog/air-conditioner-sizing-load-calculations-vs-rules-of-thumb/#view_comments Tue, 14 Jun 2022 15:20:21 +0000 https://www.energyvanguard.com/?p=7505 It’s time to revisit one of my favorite topics:  air conditioner sizing.   Many contractors use rules of thumb to decide what size cooling equipment to install.  Usually, the rule is based on the amount of conditioned floor area, and contractors…

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]]> https://www.energyvanguard.com/blog/air-conditioner-sizing-load-calculations-vs-rules-of-thumb/feed/ 14 Why Do Air Conditioning Vents Sweat? https://www.energyvanguard.com/blog/why-do-air-conditioning-vents-sweat/ https://www.energyvanguard.com/blog/why-do-air-conditioning-vents-sweat/#view_comments Wed, 22 Jul 2020 15:50:09 +0000 http://energyvanguard.flywheelsites.com/?blog_post=why-do-air-conditioning-vents-sweat Back in the summer of 2005, I got a call to figure out a moisture problem in a new house.  The homeowners took me into the master suite, where the first thing to catch my eye was the towel folded…

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]]> https://www.energyvanguard.com/blog/why-do-air-conditioning-vents-sweat/feed/ 17 Do UV Lamps Really Improve Indoor Air Quality? https://www.energyvanguard.com/blog/do-uv-lamps-really-improve-indoor-air-quality/ https://www.energyvanguard.com/blog/do-uv-lamps-really-improve-indoor-air-quality/#view_comments Wed, 22 Apr 2020 16:49:42 +0000 http://energyvanguard.flywheelsites.com/?blog_post=do-uv-lamps-really-improve-indoor-air-quality I used to be a smart-ass who would say things I thought were clever but really were just annoying.  When I learned the basics of quantum physics, for example, I had a clever/annoying answer for anyone who asked me, What’s…

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]]> https://www.energyvanguard.com/blog/do-uv-lamps-really-improve-indoor-air-quality/feed/ 65 Skin Flakes in Your Air Conditioner https://www.energyvanguard.com/blog/skin-flakes-your-air-conditioner/ https://www.energyvanguard.com/blog/skin-flakes-your-air-conditioner/#view_comments Fri, 03 May 2019 11:52:44 +0000 http://energyvanguard.flywheelsites.com/?blog_post=skin-flakes-in-your-air-conditioner I never read Robert Fulghum’s book, All I Ever Needed to Know I Learned in Kindergarten, but I have a clear memory of learning about one thing in the book:  Most of the dust floating around our homes is actually…

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]]> https://www.energyvanguard.com/blog/skin-flakes-your-air-conditioner/feed/ 4 A Birthday, a Report, and a Prize https://www.energyvanguard.com/blog/birthday-report-and-prize/ https://www.energyvanguard.com/blog/birthday-report-and-prize/#view_comments Mon, 26 Nov 2018 11:57:45 +0000 http://energyvanguard.flywheelsites.com/?blog_post=a-birthday-a-report-and-a-prize Happy birthday to Willis Carrier!  He invented modern air conditioning and changed the world.  In his quest for a device to control humidity in the Sackett-Wilhelms Lithographing & Publishing Company in Brooklyn, New York, he invented a device that changed…

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