John Nicholas's Blog (3)

Indoor Air - How do you measure if it is Healthy?

Indoor Air - How do you measure if it is Healthy? New on my Blog! This post was made to respond to my friend Nate Adams question of 'Why?' when I tweeted that I was disappointed at…

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Added by John Nicholas on June 20, 2016 at 8:09am — 5 Comments

GeoSpring HPHWH from GE

Most homes in this area have a gas fired natural draft hot water heater. They come complete with a draft diverter.  The purpose of the draft diverter is to send the exhaust gasses (containing Carbon Monoxide, Sulphur Dioxide etc) into the home if the chimney or flue doesn't allow them to go up. Left is a picture of a properly installed heater with a draft diverter. Note the space between the tank and the flue. That is the design that allow the noxious gasses to back draft into the…

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Added by John Nicholas on May 1, 2014 at 6:58am — No Comments

Energy Auditors Rock! They Depressurize!

You’ve been in the attic, the crawl spaces or basement, climbed up and down any stairs several times. There have been some questions from the home owner and perhaps from the kids in the house. If you are like me, you’ve bumped your head a few times on low hanging fruit. It has been a fun, rewarding and perhaps a little stressful.

The thing I do to relieve this stress, is to depressurize. Yes, let all that built up stress just…

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Added by John Nicholas on January 22, 2012 at 6:00am — No Comments

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Origin of guarded blower door testing

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Electro Magnetic Fields (EMF)

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When is it too windy to use blower door?

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