Nick Helmholdt
  • Male
  • Ann Arbor, MI
  • United States
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Nick Helmholdt's Discussions

How to Add a Passively Cooled Wine Cellar?
11 Replies

I am working with a client on a home addition, and one element of the design is a wine cellar. Here are some basic facts about the existing home:Built in 1920'sLocated in Detroit metro area on an…Continue

Tags: earth, tube, cooling, passive, addition

Started this discussion. Last reply by Dennis Heidner Jun 9, 2013.

Backdraft Detectors - Are they reliable?
2 Replies

On a recent Quality Assurance…Continue

Tags: gas-fired, spillage, backdraft, heater, water

Started this discussion. Last reply by Jim Peck May 10, 2013.

Backup Power for Pump on Radiant Heat System
6 Replies

A friend of mine in Traverse City asked about options for powering a pump on his home's radiant heat system. During an extended power outage last winter, their gas-fired boiler was able to provide…Continue

Tags: renewable, energy, pump, distribution, heat

Started this discussion. Last reply by Dennis Heidner Apr 11, 2013.

New furnace causing interference with AM radio?
9 Replies

I just wrapped up a quality assurance site inspection where I heard something unusual. The homeowner had a new furnace & central air conditioning system installed in November.  Since then he's…Continue

Tags: weird, radio, conditioning, air, furnace

Started this discussion. Last reply by Nick Helmholdt Mar 25, 2013.


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Clean Energy Coalition
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Quality Assurance, Building Science, Window Rehabilitation,
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Nick Helmholdt's Blog

CO in Attached Garages

On two separate Quality Assurance site visits in the past two weeks I've detected elevated levels of Carbon Monoxide (CO) coming from attached garages. I was a bit surprised at this since neither garage contained a car - let alone any active source of combustion. So I did some digging and came up with this great resource from Iowa State on the topic. From my reading of…


Posted on April 15, 2013 at 12:14pm — 2 Comments

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Chris Laumer-Giddens posted a blog post

Sparky Doubled the Air Leakage in this Home!

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