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Top-Rated Energy efficiency auditors in Williamsburg - Updated Nov 2026

Avatar for Onesource Contracting and Mechanical
Onesource Contracting and Mechanical
4.7(
9
)
Energy Audit - For BusinessHome Energy Audit

Serving Williamsburg, OH and surrounding areas

In business since 1998

Emergency services offered

Credit card accepted

"Our Home Warranty Company (Old Republic) sent Onesource to our home to fix an AC problem.   They were the 2nd company sent out, the first one charged me a 60 dollar service call fee and left in 10 minutes after saying he cleaned some dust out of the fly wheel.   Turned out, when Onesource came out our A-coil was frozen over and that is what was causing the vibration noise, not the "dusty" fly wheel.       Since we had paid the service call fee just a few days before, Old Republic paid for the Onesource call.   They're due to return in the spring to add R-22 to the unit because they found it was only low in pressure.    We'll let you know how that visit goes."
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Recommended by88%of homeowners
Comfort Solutions
4.3(
12
)
Energy Audit - For BusinessHome Energy Audit

Serving Williamsburg, OH and surrounding areas

In business since 1979

Emergency services offered

Credit card accepted

"After installation there were various problems that required my propane provider to become involved. Comfort solutions took care of all of the coordination as both companies worked to locate and resolve the problems. All said it took 2 days. By the 2nd day the service manager was on-site with the technician. The attention and responsiveness were excellent. That really went a long way to easing what could have been an extremely frustrating experience. Excellent customer service."
Recommended by90%of homeowners
Avatar for Parsons Construction Group
Parsons Construction Group
4.1(
21
)
Energy Audit - For BusinessHome Energy Audit

Serving Williamsburg, OH and surrounding areas

In business since 1999

Free estimates

Credit card accepted

"Everything turned out very good. My blinds were put up incorrectly but he will fix it if I call him. They have done other painting services in the past and I have always been pleased. They are not cheap but they do a very good job. Everyone is very professional and very educated. They always show up on time."
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After Tex-Cote
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Before Remodel
After Remodel

+12

Recommended by81%of homeowners
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Energy Efficiency Auditing FAQs, answered by experts

There are several signs that your house might have poor ventilation, including lingering odors, condensation on your windows, or mold and mildew. Your home may also feel stale and stuffy, or you might have trouble maintaining a comfortable temperature in your home. On top of that, you might develop allergy symptoms, such as sneezing, coughing, or headaches.

While many states require all new construction to undergo blower door tests, it’s not a requirement for existing homes. But in both cases, a blower test helps confirm that the contractor has sealed the exterior, that the type of ductwork installed is functioning properly, and that your home is as efficient as possible.

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.

Thankfully, LED lights use less electricity than incandescent lights, meaning you won’t spend as much on utility bills by using these light strips. Each 5-meter LED light strip will cost about $3 per year on your energy bill.

A small sump pump running infrequently uses an average of 10 kilowatt-hours (kWh) of electricity per month. The average cost for electricity is $0.171 per kWh. The size and use frequency affect how much electricity it uses. Sump pumps average one-third to one horsepower (hp) motors. One hp is equal to 745.7 watts. Watts multiplied by the time your pump is running divided by 1,000 equals your average kWh. Multiply kWh by your average cost of electricity. In areas with high rain or a marsh basin, the average cost can be as high as $15-$25 a month.

The Williamsburg, OH homeowners’ guide to energy efficiency auditing services

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