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*The Angi rating for Energy Efficiency Auditing companies in Gray Summit, MO 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 Gray Summit, MO 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 April 14, 2026

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Avatar for Foam Engineers
Foam Engineers
4.8(
229
)

Serving Gray Summit, MO and surrounding areas

In business since 1988

Free estimates

Credit card accepted

"Mindy arrived on time and did a complete inspection of our attic and took photos to show us the work that needed to be done to make our home more energy efficient. The installers arrived on time, did the necessary repairs, installed the insulation and cleaned up when they were finished. They also took photos showing us the completed job. A bonus that we didn't expect is that the house is much quieter! They are extremely professional and I highly recommend them!"
Top Plates/ Wiring
Top Plate / wiring
Sealed Duct Work
Sealed Duct Work
Sealed Duct Work

+17

Response time9 hrs
Recommended by98%of homeowners
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Avatar for Gant Heating and Cooling
Gant Heating and Cooling
5.0(
10
)

Serving Gray Summit, MO and surrounding areas

In business since 2006

Free estimates

Emergency services offered

"They offer a courteous prompt service. Cleaned up well after completion, as well as removed the previous system. I highly recommend and will be using Gant Heating and Cooling again."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+1

Recommended by100%of homeowners
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Tri State Solar Power, LLC
New to Angi

Serving Gray Summit, MO and surrounding areas

In business since 2019

Free estimates

We take great pride our experience, expertise, quality, and customer service that we provide to meet the consumers' needs. It is our mission to provide excellent workmanship, and complete customer satisfaction from start to completion of a project. order to understand the needs, and expectations of our customers, we take great care to work, and communicate with every customer a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

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Energy Efficiency Auditing questions, answered by experts

A whole-house humidifier can positively impact energy consumption by improving heating efficiency. During colder months, humidified air feels warmer, which allows you to lower your thermostat without sacrificing comfort. This adjustment can lead to significant energy savings as your heating system works more efficiently. However, it's important to use the humidifier judiciously, as excessive humidity could potentially strain your cooling system in warmer months.

Motion-sensor lights use one watt while on standby and five watts while turned on. They’re usually on for one hour over a 24-hour period, bringing the total wattage to about 28 watts per day. LED lights use around 6.5 to 8 watts while on. If you leave an LED light on all night, with night ranging from 10 to 14 hours, you’re looking at using 65 to 112 watts a night. You can minimally cut your wattage in half by switching to a motion-sensor light.

Audits include inspecting insulation, HVAC systems, windows, and appliances to identify energy inefficiencies.

Blower door tests are measured in a few different ways, but the most popular are air changes per hour (ACH) and cubic feet of air (CFM) moving through the house per hour. A good ACH score is less than 2ACH, but 1ACH is better. This means the house experiences a total air change within 60 minutes (for 1ACH). For 2ACH, there’s a complete change every 30 minutes, and so on. CFM scores are similar in that a lower score means less air change, and therefore less leakage.

No, it isn’t necessary to have energy-efficient windows. However, if you care about your energy bill and making your windows more energy efficient, fixing any heat, UV, or air transfer issues is an excellent way to lower your bills and keep your house cooler in the summer and warmer in the winter.

The Gray Summit, MO 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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