Energy Vanguard
Building science knowledge, HVAC design, & fun
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Latest posts
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Infiltration Is NOT Ventilation
Over the past few decades, we’ve made great strides in reducing infiltration in homes. But we know that achieving greater airtightness requires paying more attention to indoor air quality. One of the primary ways we improve IAQ in airtight homes… The post Infiltration Is NOT…
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Electricity Monitor Installation Tips
In the past four years, I’ve installed five electricity monitors in my electrical panels. (One was a re-installation after a major electrical upgrade during my basement renovation.) Two of those installations were in my 200 amp main panel (before and… The post Electricity…
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The Attic Air Handler That Makes Its Own Rain
I was talking to one of my sisters who lives in Florida, and she told me about someone she knows who was having trouble with her air conditioner shutting down. Naturally, that person called an HVAC company to come diagnose… The post The Attic Air Handler That Makes Its Own Rain…
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3 Conditioned Crawl Space Upgrades You’ll Wish You’d Done Sooner
Imagine that you’ve got a problem with your air conditioner that requires you to call your local HVAC company. The technician comes over right away. You take them outdoors to the crawl space access so they can go in and… The post 3 Conditioned Crawl Space Upgrades You’ll Wish…
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Why Did My Water Heater Energy Use Rise?
As I’m sure you do, I track my energy use at home. I’ve got a spreadsheet with the data from all of my electricity bills since we moved into this house in 2019. I also track individual parts of my… The post Why Did My Water Heater Energy Use Rise? appeared first on Energy…
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Can an Unconditioned House Survive a Humid Climate Summer?
Imagine that you’ve built a high-performance home somewhere in the southeastern US. It’s airtight. It’s well-insulated. The mechanical systems were designed properly and keep the indoor conditions just where they need to be. Now, you have an opportunity to spend… The post Can an…