TJ Alexander
  • Sunapee, NH
  • United States
Share on Facebook Share on Facebook Share

TJ Alexander's Friends

  • Marg properties

TJ Alexander's Discussions

So many homes have poorly installed fiberglass insulation. Have you been successful with a retrofit dense pack cellulose?
5 Replies

Doing testing of existing homes it is typical to see mottled patterns of surface temperatures with the FLIR Infrared Thermal Imager during Blower Door Testing.  Part of the problem is air sealing and…Continue

Started this discussion. Last reply by James P. Weingardt Jul 5, 2014.


TJ Alexander's Page

Profile Information

Thermo Building Services LLC
Professional Certification
BPI Building Analyst
Professional Interests
Energy Auditing and problem solving in existing buildings as well as energy efficiency.

I am also involved in energy saving retrofits as well as heating and HVAC system upgrades and alternative energy sources. Keeping up with regular training on the best use of materials and design of mechanical systems to get the best efficiency to cost ratio for the client.
Website URL

Passive House interest

We have several passive house inspired projects in the planning stage in New Hampshire.

 As usual with some folks in the business, I am going to build my own net zero home. That way I don't have to sell or compromise on the important points and construction methods with folks who think they have the answer or don't think the details are important.

In doing quality control work in new construction with the established conventional builders, the passive house influences and advice seem to be ignored and disparaged.

There are buildings being constructed that offer the promise of a healthy house with low energy use and reasonably priced, durable construction.

TJ Alexander's Blog

So many homes have fiberglass insulation that is poorly installed in New Hampshire and elsewhere

Doing testing of existing homes it is typical to see mottled patterns of surface temperatures with the FLIR Infrared Thermal Imager during Blower Door Testing.  

Part of the problem is air sealing and the other part of the problem is poorly installed fiberglass insulation.

This is not a rant against fiberglass insulation (I am a fan of both Rock Wool/Roxul and dense packed cellulose) for retrofit projects.  Fiberglass batt or blown insulation can perform fine, if it is…


Posted on June 12, 2014 at 1:31pm

Comment Wall (1 comment)

You need to be a member of Home Energy Pros to add comments!

Join Home Energy Pros

At 8:04pm on February 15, 2012, Diane Chojnowski said…

Hi TJ,

Welcome to Home Energy Pros! Feel free to join the conversation in the Forum and Groups. And share your energy efficiency photos, videos and upcoming events. If you're blogging about home performance, this is the place for you!

Don't forget to upload your profile photo. And add your location on our Member Map!

Diane, HEP Moderator


Home Energy Pros

Home Energy Pros was founded by the developers of Home Energy Saver Pro (sponsored by the U.S. Department of Energy,) and brought to you in partnership with Home Energy magazine.  Home Energy Pros is sponsored by the Better Buildings Residential Network.

Latest Activity

Al Tibbs's photo was featured


Area of missing insulation (new construction).
4 hours ago
Elliott Management Consultants's photo was featured

Mobile Training Diagnostic Center

EMC Construction Manager, Ric Blevins, inspects a nearly completed Mobile Training Diagnostic…
4 hours ago
Diane Jackson's 2 blog posts were featured
4 hours ago
Paul Scheckel's blog post was featured

Energy Ambassadors: Cuba and Vermont

Last winter i had the pleasure of hosting a Cuban colleague for a week in Vermont. We toured the…See More
4 hours ago
Diane Chojnowski's discussion was featured
4 hours ago
David Byrnes's discussion was featured

Insulation machine preferences

I'm in the market for a new insulation machine and am unhappy with my existing plug in machine…See More
4 hours ago
Tom White posted a video

Backdrafting natural draft gas water heater

If you are concerned about Indoor Air Quality, get rid of your old school gas water heater. They often have backdrafting problems - meaning they suck air dow...
4 hours ago
Quinn Korzeniecki replied to Quinn Korzeniecki's discussion BPI Releases Revised Recertification Requirements for Home Energy Professional Certifications
"Hi Hugh, If you have over the 24 CEUs, you still must complete the field examination that is…"
10 hours ago

© 2015   Created by Lawrence Berkeley National Laboratory.

Badges  |  Report an Issue  |  Terms of Service