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*The Angi rating for Energy Efficiency Auditing companies in Gratis, 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 Gratis, 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 June 23, 2026

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

Avatar for Komodo HVAC
Komodo HVAC
5.0(
7
)
Energy Audit - For BusinessHome Energy Audit

Serving Gratis, OH and surrounding areas

In business since 2023

Free estimates

Emergency services offered

"Work went great! Ad is very professional and came out on a weekend to take care of my problem. I would highly recommend Komodo Hvac services. Great service with a great attitude."
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Recommended by83%of homeowners
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northshore pressure washing
New to Angi
Energy Audit - For BusinessHome Energy Audit

Serving Gratis, 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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Avatar for Primary Source Home Inspections LLC
Primary Source Home Inspections LLC
New to Angi
Energy Audit - For BusinessHome Energy Audit

Serving Gratis, OH and surrounding areas

Free estimates

Primary Source Home Inspections is a licensed, InterNACHI-certified home inspection company based in Springboro, Ohio, serving Montgomery, Warren and the surrounding Southwest Ohio counties. Owner Charles Demasie spent sixteen years as a teacher, and he brings that same care to every inspection: you'll understand what he found and what it means. Services include pre-purchase, pre-listing, new construction, pre-warranty and multi-unit inspections, plus radon testing (72 hours of continuous monitoring), lab-analyzed mold testing and wood-destroying insect inspections. Clear, photo-rich reports within 24 hours. Discounts for military, veterans and first responders. Call anytime for a free quote.

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Energy Efficiency Auditing FAQs, answered by experts

If your AC runs constantly, it could be due to a number of things, including a faulty thermostat, incorrect temperature settings, or broken equipment. Alternatively, you might have an airflow problem (for example, blocked vents or leaky ductwork). Either way, an HVAC pro can identify the specific problem and fix it for you.

Smart glass doesn’t use a lot of electricity, and you can expect a standard window to add between $1 and $2 per year to your electric bills. Smart glass is proof that energy-efficient windows work. Although your smart windows may consume a little energy to operate, they can save enough energy to offset the costs. If you’re concerned about the minimal bump to your electricity consumption, you can opt for smart tint, which doesn’t require electricity to work.

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.

Some types of electric fireplaces use more electricity than others. Models that produce 1,500 watts will have more of an effect on your heating bill than 750-watt models. 

Electric fireplaces use an average of $1.85 of electricity every eight hours. These minimal operational costs aren’t likely to make a big difference in your electric bill—unless you’re using it as a primary heating source for your home and it’s running most of the time.

Energy-efficient windows cost more than other window types, but they can help you save on your monthly energy bills, get you some breaks on your taxes, and even increase the value of your home. According to Michael S. Regan, Administrator of the U.S. Environmental Protection Agency, when people invest in green upgrades like energy-efficient windows, they save energy, money, and more.

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

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