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How To Detect and Fix Heat Loss in Your Home

March 3, 2025

Is your heating system running constantly while your home still feels uncomfortably cold? Your space might be losing valuable heated air through hidden gaps or ineffective insulation. Besides the discomfort, you’ll notice the unnecessary energy waste – and those rising monthly bills to match it.

Your Go-To Heat Loss Detection Techniques

Heat loss detection doesn’t have to be complicated. As a start, perform these simple tests to identify potentially problematic areas around your home:

  • Smoke signals. Hold a lit incense stick near windows and doors during windy weather to see air movement.
  • Touch. Run your hand along window frames and door edges. Are there cold spots?
  • Light. Shine a flashlight around attic entries and pipe penetrations at night while someone watches from the other side for gaps.

You might also look for visible cracks or worn weatherstripping.

Common Sources of Heat Loss and Their Solutions

Here is how to detect and fix heat loss in your home in the following common problem areas:

Windows and Doors

Window leaks typically account for significant heat loss in homes. The solution involves a few steps, such as:

  • Install fresh weatherstripping around movable parts.
  • Apply caulk to frames and trim.
  • Add window film or thermal curtains for extra insulation. 
  • Replace any cracked glass to maintain the thermal barrier.

Is there proper sealing on the doors to prevent heat escape? New door sweeps and weatherstripping might eliminate drafts, while proper hinge adjustment ensures the door is flush against the frame. In harsher climates, storm doors provide additional protection.

Walls and Attics

Insulation problems often hide in your home’s walls and the attic. You want to maintain proper insulation depth for your climate zone.

Regular inspection ensures complete coverage, especially around electrical boxes and lighting fixtures. Professionals also use thermal imaging to spot gaps.

Plumbing and Electrical Systems

Allowing air leaks through small gaps adds up. Air sealing helps in plumbing and electrical lines, joints between walls and ceilings, chimneys, and vents. 

Don’t overlook attic access points and basement rim joists, either.

Professional Heat Loss Detection Process

HVAC professionals know how to detect and fix heat loss efficiently. Here’s what you can expect:

  • Comprehensive infrared scanning. Detailed heat maps reveal temperature variations with ease.
  • Detailed thermal imaging analysis. Insulation gaps, moisture issues, and thermal bridges in walls and ceilings need careful repairs.
  • Professional techniques. The team might use pressure testing equipment or smoke visualization for draft detection.
  • Heat loss measurement. Professionals use specialized temperature differential sensors on windows, doors, and more.

Detailed thermal images make it much easier to identify problem areas and provide energy-efficient recommendations.

Colair Inc.’s Heat Loss Detection Experts at Your Service

Understanding how to detect and fix heat loss requires technical knowledge and experience. Why not get certified technicians with modern equipment to precisely locate heat loss sources in your home and give targeted solutions?

Contact Colair Inc. today for heat loss detection and repair in Mission, Corpus Christi, and around South Texas.


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Cooling & Heating

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Recently became. Colair Comfort Club member so this was the first maintenance. Carlos was a very polite young man. He showed me the photos of potential issues with the ac system and made some recommendations which I am considering. He spent at least an hour checking the system. I was very pleased with the service since it seemed thorough. Thank you
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Eddie Silva was fantastic. I recommend this company to anyone needing a/c services.
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Fabian was very helpful and gave various options of how to handle our issue.
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Fabian is an efficient worker he did a wonderful job. I am very pleased with the service that colair provides.Thank you .
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This was probably one of the most stressful times of the year. When our AC Unit couldnt keep our House cool. We all could guess the prices of needing a New ac Unit but no one is actually prepared for it. Fabian answered all of our question. Mind you there were 4 adults surrounding him and two Kids playing “build a fort” or dropping an obstacle of cereal on the floor around us at times. He was amazing at making sure we all felt comfortable as we proceeded with the process of leasing to own a new unit. While waiting for approvals and paperwork he could tell I was the most stressed of all my family members and did his best to lighten the mood. My 5 year old daughters gave him a bowl of cereal and that was amazing to watch how he treated us like more than just a job but an actual family that needed some good news at this time. He explained everything and offered multiple solutions and opportunities to make sure we were comfortable with our soon to be new ac units and about future plans to buy a mini split for a guest house.
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Eddie Silva was great today!! Perfect explanation of what was going on
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great customer service from Adrian
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