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*The Angi rating for Energy Efficiency Auditing companies in Lima, OH 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 Lima, OH 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 September 29, 2026

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Avatar for Renewable Engineered Systems
Renewable Engineered Systems
4.7(
12
)
Energy Audit - For BusinessHome Energy Audit

Serving Lima, OH and surrounding areas

In business since 1998

Free estimates

Emergency services offered

"Wonderful, it was a very quick and easy process. Brian talked us through it and in no time we had a 3KW system mounted on a frame in the garden and the invertor installed in the basement. Brian talked us through working with our power company to get the system checked and approved and we now get credits from the power company for power we provide to the grid. In addition we are set up to get Solar Renewable Energy Credits (SRECs) payments for providing clean energy. We also got a free Energy Audit which helped locate some problems areas we were able to fix. The system has basically cut our energy costs in half. I have hesitation in recommending them to anyone interested in solar energy."
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+14

Recommended by100%of homeowners
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Avatar for Bradford Xteriors
Bradford Xteriors
4.5(
655
)
Energy Audit - For BusinessHome Energy Audit

Serving Lima, OH and surrounding areas

In business since 2007

Free estimates

Emergency services offered

"Very well! We were out of town during much of the work and returned to find a beautiful new look to our home. Dave, from Bradford was very helpful and provided great service."
Nursing home Roof
Nursing home Roof
Bradford Xteriors
Bradford Xteriors
Bradford Xteriors

+1

Recommended by89%of homeowners
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northshore pressure washing
New to Angi
Energy Audit - For BusinessHome Energy Audit

Serving Lima, OH and surrounding areas

In business since 2011

Free estimates

We are one of the largest energy consulting companies in the country. We offer Free Energy Forcasts to businesses across a wide variety of climate zones. When implemented, our recommendations can consistently save you 17-22% on your energy costs, in the first year. We offer a variety of products, from an all-inclusive fixed product, to a variable option and a hybrid. Call today to see what solutions we can offer you! References are available from very happy clients.

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Energy Efficiency Auditing questions, answered by experts

Common warning signs of an overloaded electrical panel or meter box include frequent circuit breaker tripping, flickering or dimming lights, scorch or burn marks, and a burning scent coming from the panel. A circuit breaker trips as a protective measure to prevent overheating and potential fires. If you observe any of these signs, turn off the affected circuit breaker and move some devices to a different circuit. If the problem persists after turning the breaker back on, you should contact a professional electrician to resolve the issue.

The extra insulation helps reduce energy costs by minimizing drafts and temperature exchange between indoors and outdoors.

Wood windows fall in the middle of the window frame materials when it comes to energy efficiency. They’re more insulating than aluminum and vinyl, but they aren’t as efficient as fiberglass or composite frames. If you love the look and lifespan of wood windows and want to maximize efficiency, you can upgrade to double-pane or triple-pane glass and consider window tinting and low-emissivity (low-E) coatings to minimize heat transfer.

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.

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.

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

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