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The Latest from the Energy Vanguard Blog

High-MERV filters are more restrictive but do they reduce air flow?

Do High-MERV Filters Always Reduce Air Flow?

Posted by Allison Bailes on January 16, 2019
Over the past few months, I've taken a look at some critical issues for indoor air quality. ...
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Do convective loops in loose-fill fiberglass attic insulation cause it to lose up to half its R-value?

Does Fiberglass Attic Insulation Really Lose R-Value?

Posted by Allison Bailes on January 7, 2019
When you get into the world of building science, it's inevitable that you'll hear about the study...
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HVAC Design

If you're building or remodeling a home, do you know how much thought is going into the design of your new HVAC system(s)? Do you know how much calculating is going into the HVAC design? Most homes don't get nearly enough of either.

If you want your heating, cooling, and ventilating system(s) to perform well, you need to start with good design. Here's why you want good HVAC design:

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Total Energy Use Calculation for Gas and Electricity [XLS]
Directions: 1. Set up the year and month columns to correspond to the data you'll be entering.
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Energy Vanguard's List of Acronyms and Initials
Coming across unfamiliar acronyms and initials in building science, green building, and home performance can make understanding difficult.
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