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

Avatar for EDGE Energy
EDGE Energy
4.5(
51
)
Home Energy Audit

Serving Dumfries, VA and surrounding areas

Approved

In business since 2006

Free estimates

Emergency services offered

"Edge Energy did an energy audit for us, then sealed the house, installed a new roof with excellent insulation, and an ERV fan to ensure fresh air. They were a delight to work with throughout, very friendly and professional. We needed some follow up work due to quirks in the house, not bad work by Edge, and they did it promptly and without charge. I couldn't recommend them more highly."
Infrared finds air leaks!
All PM's are certifed under BPI, NCI, RESNET, NAHB
Air-sealing and insulating attics is our SPECIALTY
Locally Owned Business
Weatherization Truck

+5

Recommended by89%of homeowners
Avatar for Evergreen Electric LLC
Evergreen Electric LLC
4.9(
36
)
Energy Audit - For BusinessHome Energy Audit

Serving Dumfries, VA and surrounding areas

In business since 2009

Free estimates

Emergency services offered

"I wanted to use a locally owned electrical company, if possible, and was very happy to see the number of very good reviews for Evergreen Electric on Angie's list. I called early in the morning and Evergreen Electric was able to work me into their schedule on the same day which I was very grateful for due to the safety concerns of not having properly working smoke alarms in my house. Thad Sale and his assistant showed up at the appointed time and changed out the six smoke alarms very quickly. They also changed out one I had forgotten about (basement) while they were at my house. Also, Thad Sale gave me an estimate for a potential new electric project which seemed very reasonable. Evergreen was very professional and answered all my questions. The work was done very quickly and I feel much safer having properly working smoke alarms in my house. I would definitely call Evergreen Electric for my next electrical project.

"
Recommended by100%of homeowners
Avatar for OHA HVAC, Plumbing, Roofing, Chimney & Fireplaces
OHA HVAC, Plumbing, Roofing, Chimney & Fireplaces
5.0(
20
)
Energy Audit - For BusinessHome Energy Audit

Serving Dumfries, VA and surrounding areas

In business since 1995

Free estimates

Emergency services offered

"Value Neil Simmoms was timely, courteous and explained everything thoroughly. He found what was broken on the gas fireplace. Ordered the part, came back and installed it. Fireplace is working like new! I highly recommend OHA Heating and Air for all your Heating and Air needs! ALSO, THERE PRICES ARE EXCELLENT!!!!!! Twenty star service from Neil Simmons and the entire OHA Staff that I've dealt with!!! ⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️"
Recommended by100%of homeowners
Avatar for Renewable Engineered Systems
Renewable Engineered Systems
4.7(
12
)
Energy Audit - For BusinessHome Energy Audit

Serving Dumfries, VA 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
Avatar for Go Green Incentive
Go Green Incentive
5.0(
6
)
Energy Audit - For BusinessHome Energy Audit

Serving Dumfries, VA and surrounding areas

In business since 2015

Free estimates

Emergency services offered

Our primary goal is to assist forward-thinking, thrifty individuals and businesses with the implementation of energy efficient services, ranging from energy audits to building automation. Contact us today to learn more about the many ways that we can reduce your individual or business carbon footprint and save money!

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+3

Recommended by100%of homeowners
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Energy Efficiency Auditing FAQs, answered by experts

Typically, triple-pane windows made with krypton gas filling are the most energy efficient. A window’s frame, glass, design, and installation all affect its energy efficiency. These windows, in particular, are designed highly effectively in terms of their ability to insulate.

Dryers are designed to use as little electricity as possible, but power is still required to run the motor that turns the drum and to heat an element that pumps hot air. Eco devices are available and may lead to cost savings in the long term, but you should run the figures before committing to an eco-friendly device as they are often much more expensive to purchase.

Leaving vents open but closing doors in unused rooms will probably not save money on your energy bill. Closed doors prevent the natural flow of air throughout the home, which could reduce the efficiency of the overall HVAC system. They could also restrict airflow into and through the return vents, making the HVAC system less efficient.

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.

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.

The Dumfries, VA homeowners’ guide to energy efficiency auditing services

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