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  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon77
    Verified energy efficiency auditing services reviews

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

Avatar for Greene Solutions, LLC
Greene Solutions, LLC
4.6(
53
)
Home Energy Audit

Serving Powell, OH and surrounding areas

In business since 2011

Free estimates

Credit card accepted

"We contracted with Greene Solutions a couple of years ago to complete an energy audit and to map out a series energy saving projects to achieve desired energy efficiency and comfort goals for our 30 year old home. The last two projects were completed in September 2019. First vapor seal our partial basementâ s crawl space floor and walls and second to use the unique Aerosealï Technology to internally seal our gas furnace/air conditionâ s ductwork. Greene Solutionâ s four man team (Jason, Owen, Pearse and Harvey) arrived promptly at 8:30 am and began both projects. They worked very effectively and efficiently as a team to accomplish each project in a professional way always respecting our homeâ s interior and keeping us abreast of their progress. We are especially excited to have the Aerosealï Technology applied to our â leakyâ duct system as it has vastly improved the performance and efficiency of our Lennox furnace and air conditioning systems. Thank you Thomas and the Greene Solutions team for your excellence in developing our plan and in the completion of our latest projects. Well DONE !! Bob & Barbara Hammond Dublin, Ohio"
Response time2 days
Recommended by97%of homeowners
Avatar for Bradford Xteriors
Bradford Xteriors
4.5(
655
)
Energy Audit - For BusinessHome Energy Audit

Serving Powell, OH and surrounding areas

In business since 2007

Free estimates

Emergency services offered

"Could not be more happy. Everything just went as well as it could have during this crazy COVID stuff. Windows went smooth, roof in a day and siding was a few days. Entire project start to finish was 8 days and the clean up was exceptionally well done. Did not even know they were here. Definitely recommend Bradford Xteriors to anyone needing things done. Jason, the owner is very wired at all time but none the less a great guy and now friend."
Nursing home Roof
Nursing home Roof
Bradford Xteriors
Bradford Xteriors
Bradford Xteriors

+1

Recommended by89%of homeowners
Brittman heating and ventilation
5.0(
6
)
Energy Audit - For BusinessHome Energy Audit

Serving Powell, OH and surrounding areas

In business since 2010

Free estimates

Emergency services offered

"The house was a lot warmer now and he did an excellent job. He guarantees his job. It was a reasonable price. He walks me through the process. He's a good guy. He called a week later and check if I was satisfied with the service. He came all the way from Columbus. It was an hour away from here and he came early. He did extra work for free. I would recommend him. He takes pride in his work and didn't take advantage of me."
Additional Photos
Recommended by100%of homeowners
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Energy Efficiency Auditing FAQs, answered by experts

Setting your AC unit to 78 degrees can, indeed, help you save energy. In fact, according to experts, every degree you turn the unit up could save you between 1% and 3% on your energy bills. That said, turning your unit off entirely while you’re out might actually be less efficient than keeping it on at a higher temperature. Why? The unit will need to work extra hard to cool the house back off again after all those hot hours. 

Dehumidifiers typically use 300 to 700 watts of electricity per hour, whereas portable dehumidifiers use about 40 watts per hour. The exact amount of electricity your dehumidifier will generate depends on its capacity and energy efficiency. Generally, higher-capacity dehumidifiers generate more electricity than lower-capacity units, but they also usually have better energy efficiency over the long run.

Yes, barndominiums are energy-efficient as long as insulation professionals properly install quality insulation, windows, and doors. Utility bills for barndo living can be up to 50% lower than those for a traditional home.  Make your barndo more energy efficient by working with contractors and HVAC professionals to strategically place windows, doors, and heating/cooling systems. 

Yes, including optimizing settings and suggesting upgrades if needed.

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.

The Powell, 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.