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*The Angi rating for Energy Efficiency Auditing companies in Windham, VT is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Energy Efficiency Auditing needs.

*The HomeAdvisor rating for Energy Efficiency Auditing companies in Windham, VT is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Energy Efficiency Auditing needs.

Last update on March 27, 2026

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Avatar for Gabriel Hahn
Gabriel Hahn
New to Angi
Home Energy Audit

Serving Windham, VT and surrounding areas

Approved

Emergency services offered

Small jobs welcome

Credit card accepted

I conduct energy audit tests for homes, whether they are colonial or brand new construction. I can recommend you various forms of weathersealant, thermal wrappings, and storm window techniques, saving you thousands in the form of long-term heat insulation tech-forward solutions.

2 neighbors recently requested a quote
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Avatar for Vista Home Improvement
Vista Home Improvement
4.3(
419
)
Energy Audit - For BusinessHome Energy Audit

Serving Windham, VT and surrounding areas

In business since 2005

Free estimates

Emergency services offered

"Thanks for your services was nice experience to has business ? with you I home my wishes come true no more Abuse, sickness, hungry, or homeless, My Broking Heart"
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+41

Recommended by87%of homeowners
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Energy Efficiency Auditing questions, answered by experts

Yes, energy-efficient windows really can make a difference. As long as energy-efficient windows are properly installed and maintained, they can reduce your energy bill and offer significant savings.

STC (Sound Transmission Class) is a rating that describes how well a building material or assembly blocks airborne sound. A higher STC rating means less noise will pass through the material, providing better sound reduction. This rating system applies to various building components, including windows, doors, flooring, drywall, and insulation.

For context, a typical single-pane window has an STC rating of around 25 (where normal conversations are audible), while a well-sealed, double-pane window can exceed STC 45 (blocking loud speech and most music). It is important to note that for some products, like soundproofing drywall, the STC rating refers to the entire wall system, not just the individual panel.

Additionally, STC ratings are most effective for measuring sound reduction at mid-to-high frequencies, such as human speech, and may not accurately reflect how well a material blocks low-frequency sounds like bass music or thunder. Because of these factors, it is recommended to consult a professional to determine the right STC-rated materials for your specific soundproofing needs.

The number one culprit of high energy bills is older appliances, especially fridges and freezers that are left on all the time. These two appliances tend to last a long time, which is good, but it also means that newer models are usually significantly more energy-efficient due to upgraded technology. The second most common reason for a high bill is heating and air conditioning.

A blower door test shouldn’t take more than an hour, and most can be completed in less than 30 minutes. Expect the test to take longer once you start searching for leaks with thermal imaging or want to include sealing such leaks in the time estimate. The test doesn’t take much time and can’t be rushed, but it will take longer in large homes or those with many air leaks.

You can check your home's humidity in a few ways. A simple option is to use a hygrometer, which you can find at a hardware or big box store. Your smartphone may also have an app that can measure humidity. Modern thermostats, particularly smart thermostats, are also able to measure humidity levels.

The Windham, VT homeowners’ guide to energy efficiency auditing services

From average costs to expert advice, get all the answers you need to get your job done.

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