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  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon93
    Verified energy efficiency auditing services reviews

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

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

Serving Potomac, MD 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 Elite Thermal East
Elite Thermal East
4.3(
105
)
Home Energy Audit

Serving Potomac, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2021

Free estimates

Credit card accepted

"I had a full house evaluation. Elite Thermal was able to use that to get me a significant discount. They came and did the service in in one day and then returned a few weeks afterwards to find tune and the leaks that were identified on the follow up blower test. They changed the wrong exhaust fan and then did the right one at no additional charge. I would definitely work with them again. Actually, they have done an evaluation and an estimate on my second home and I expect to have them start soon."
Cellulose Blown Insulation - Rem/Repl Before/After
Cellulose Blown Insulation - Before/After
Cellulose Blown Insulation - Before/After
Fiberglass Batt - Before/After
Fiberglass Batt - Remove & Replace - Before/Af

+5

Response time1 day
Response rate95%
81 neighbors recently requested a quote
Avatar for Founders Insulation
Founders Insulation
5.0(
20
)
Home Energy Audit

Serving Potomac, MD and surrounding areas

Approved

In business since 2022

Free estimates

Credit card accepted

"This was my first experience with installing insulation. They were super responsive, took the time to help us understand what insulation we needed and what it would do for us, and then the installation was expertly and courteously done. I really appreciated how well they took care of us and I have already recommended them to others!"
Exterior Walls
Exterior Walls
Roof line
Exterior Walls
Exterior Walls

+11

Response time12 hrs
230 neighbors recently requested a quote
Recommended by63%of homeowners
Avatar for Lumeco Energy
Lumeco Energy
5.0(
5
)
Home Energy Audit

Serving Potomac, MD and surrounding areas

Approved

In business since 2020

Free estimates

Credit card accepted

"I had reached out to Lumeco Energy in order to take advantage of the Home Performance with Energy Star program rebates that Pepco offers their customers. After my initial energy audit with Lumeco, they provided me with a scope of work for new insulation, a new heat pump, and a new water heater (all rebate eligible). The cost was very competitive and the workers who came for the install were quick, clean, and incredibly polite. I've felt a noticeable increase in my home's comfort level since the work was completed and I'm very happy with my results."
Attic Encapsulation 1
Attic Encapsulation 2
Attic Encapsulation 3
Attic Before 1
Attic Pre-Weatherization

+5

Response time2 days
Response rate96%
9 neighbors recently requested a quote
Avatar for Complete Home Solutions, LLC
Complete Home Solutions, LLC
3.9(
85
)
Home Energy Audit

Serving Potomac, MD and surrounding areas

Approved

In business since 2002

Free estimates

Warranties offered

"Very professional. Fully explained the process before starting and showed photos of the areas that needed insulation in my home. Before and after photos. Used energy company rebates to reduce my out of pocket expenses and did follow up evaluation. I saw the change in my energy bill! Thanks!"
 Stone Front of Addition
 Kitchen
 .
 After
Screened Porch and Deck

+93

Response time1 day
40 neighbors recently requested a quote
Recommended by73%of homeowners
Elysian Energy, LLC
New to Angi
Home Energy Audit

Serving Potomac, MD and surrounding areas

Approved

In business since 2007

Free estimates

Credit card accepted

Elysian Energy, LLC is a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have over 50 years of hands on experience, to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with. Please feel free to contact us today! \n \n

Response time1 day
Brighter Day VA
4.0(
1
)
Home Energy Audit

Serving Potomac, MD and surrounding areas

Approved

In business since 2019

Free estimates

Credit card accepted

Brighter Day VA is committed to excellence every aspect of our business. We uphold a standard of integrity bound by fairness, honesty and responsibility in all of our jobs. We are a locally owned and operated business with more than 1 years of experience serving Falls Church, VA and surrounding areas. There is no job too big, or too small for our team. Call today and let us put our experience to work for you!

Response time4 days
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Energy Efficiency Auditing FAQs, answered by experts

You'll likely need more than great home staging to sell your home. Now is a great time to get to work on the curb appeal of your home . Hire local exterior painters and landscapers to coat the exterior of your home and bring it new life with some sprucing up.

HVAC systems use the most household electricity. This major and essential system is responsible for heating and cooling your home all year round. Since they operate for a significant amount during the day, it consumes more energy than other appliances. 

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.

R-value measures an insulation material's thermal resistance, indicating its ability to resist heat transfer. A higher R-value signifies better insulation performance because the material is more effective at slowing heat flow. The R-value depends on the type, thickness, and density of the insulation material, such as fiberglass, foam, or cellulose. Each inch of insulation typically provides an R-value between 3 and 8. There is no single universal R-value; the optimal choice depends on your climate zone. Colder climates require a much higher R-value than warmer ones to maintain energy efficiency, keep the home warm in winter and cool in summer, and manage costs.

There are energy-efficient options when building a cottage. Select green building materials, high-performance insulation, and energy-efficient windows when designing your cottage. Options such as solar panels, efficient HVAC systems, and LED lighting can lower your utility bills and reduce your environmental impact. Many builders offer energy-efficient upgrades as part of the design process.

The Potomac, MD homeowners’ guide to energy efficiency auditing services

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