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Home Performance Evaluation & Energy Assessments

Blower Door Testing

A blower door uses a powerful fan that we will mount in the frame of one of your exterior doors. The purpose of the fan is to pull air out of your home, which will lower the pressure inside, allowing the outside air pressure to flow through any unsealed cracks and openings that exist in your home. Our trained specialist will walk through your home with a smoke pencil that will allow them to pinpoint your troublesome areas when conducting the energy assessment.

FLIR Thermography Audit To Identify Air Leaks

We use a FLIR Infrared Imager that will take thermographic scans of your home which measure surface temperatures by using infrared video. Using this energy efficiency audit, in conjunction with our blower door testing, will help find air leaks in your home by showing up as black streaks on the infrared imager. This technique can also help detect roof leaks because wet insulation conducts heat faster than dry insulation.

 

Energy Audit Checklist for Twin Cities & Western WIsconsin Homeowners 

  • If you burn wood in your home, make sure that your fire is completely out. This includes even any coals, before your specialist arrives.
  • Make sure that your attic, crawl space, closets and any unused rooms are easily accessible.
  • All air inlets in your home will need to be closed such as fireplace dampers, doors, windows etc.
  • Fossil fuel appliances will need to be shut down temporarily, so they don’t fire during the test.
  • Be sure to set aside a few hours for the test to allow the technicians to be as thorough as possible.

Our Insulation Services Reviews:

"The work done was excellent and all of the workers that completed the job were thorough and easy to approach if needed. The communication before and during the project was great, as we knew when to expect work to be done.  We are very happy with the craftmanship on both projects (insulation and roofing).  We were very pleased with Lindus and the work we had done."

Gail T.
New Hope, MN
December 24, 2025

"I have used Lindus for new patio doors, attic insulation and now in the process of replacing all my windows. Excellent customer service, excellent craftsman for installs. Down to earth friendly contractors who know their job and how to do it correctly. The Lindus warranty on craftmanship says it all. It is a breath of fresh air working with this company that you can trust to deliver you your expected results. I have 48 years' experience in home ownership, and this is the best trusted company I have ever had to opportunity to work with."

Deb B.
Eden Prairie, MN
December 21, 2025

"I had Kevin come to my home and do an excellent job troubleshooting issues with the insulation of my home. He was very knowledgeable and friendly and took the extra time to explain options for our situation. I was very impressed with his customer service and would recommend Lindus to anyone I know!"

Tyler N.
Burnsville, MN
November 3, 2025

"Thank you for helping me resolve my challenge of maintaining my 100-year-old house.  To date, I have a new roof, insulation, gutters, and several new windows installed by Lindus Construction."

Patricia M.
Bloomington, MN
April 18, 2025

"We had a free inspection of our attic insulation by Logan. He said our insulation was just fine and would not recommend any work be done on it. So great to have an honest contractor who does not want to push product. Thank you for your honesty!"

Grant H.
St. Paul, MN
April 3, 2025

Learn More About Insulation & Home Performance Evaluations:

Discover Some Of Our Recent Insulation Projects & More

Whether for reducing energy bills or for preventing attic condensation, our insulation services deliver great results for homeowners throughout the Twin Cities.

Free Heat Map Analysis With Your Insulation Project. Through January 31st.
Some restrictions may apply. Call for details.