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  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon44
    Verified energy efficiency auditing services reviews

Find Energy efficiency auditors in Mclean

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

Serving Mclean, 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 Comfenergy
Comfenergy
3.9(
50
)
Home Energy AuditEnergy Audit - For Business

Serving Mclean, VA and surrounding areas

Approved

In business since 2013

Free estimates

Warranties offered

"I am so impressed with Comfenergy. The sales rep explained why we only needed to improve the insulation at the top of our unfinished basement walls, not the whole thing as another company recommended. So it was considerably less money than we thought we’d need to do the job. Brent and his assistant arrived on time to do the work and were so quiet that we weren’t inconvenienced in any way. I definitely recommend this company."
Attic before
Attic after
Historic Waterford Home
Historic Plaque
Crawl space before

+6

Response time1 day
130 neighbors recently requested a quote
Recommended by84%of homeowners
Avatar for 3 PROS Basement System
3 PROS Basement System
4.0(
39
)
Home Energy AuditEnergy Audit - For Business

Serving Mclean, VA and surrounding areas

Approved

In business since 2020

Free estimates

Warranties offered

"Friendly people from estimation through installation. Everyone was very thorough, especially during the initial energy audit, and the work was completed in a timely manner."
Crawl Space Before Picture
Finished!
Beautiful Encapsulated Crawl space
SaniDry Sedona
Spray Foamed walls

+32

Response time1 day
100 neighbors recently requested a quote
Recommended by86%of homeowners
Brighter Day VA
4.0(
1
)
Home Energy Audit

Serving Mclean, VA 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
Reliance Repair LLC
4.9(
68
)
Energy Audit - For BusinessHome Energy Audit

Serving Mclean, VA and surrounding areas

Free estimates

Credit card accepted

"Our LG above stove microwave stopped heating. Lucky from Reliance Repair came out and gave us an estimate. He arrived on time. His estimate was reasonable. When he received the part, he returned on time and worked diligently to repair the problem. He was polite, respectful. Overall, an excellent repair experience. Highly recommended."
Additional Photos
Recommended by98%of homeowners
Avatar for Stephen Palmer Electric Inc
Stephen Palmer Electric Inc
4.6(
144
)
Energy Audit - For BusinessHome Energy Audit

Serving Mclean, VA and surrounding areas

In business since 1994

Credit card accepted

"the tech arrived on time he looked over the issue, provided feedback on the way to handle the problem and went to work. When the tech was done I walked through the area requesting service and was happy with the outcome"
Old House Specialists
We pride ourselves on working quickly, cleanly, and efficiently.
Recommended by87%of homeowners
Avatar for Evergreen Electric LLC
Evergreen Electric LLC
4.9(
36
)
Energy Audit - For BusinessHome Energy Audit

Serving Mclean, VA and surrounding areas

In business since 2009

Free estimates

Emergency services offered

"Phenomenal job by Evergreen.  Analyzed the current box and gave me options, best, most cost effective was upgrading the 40 yr old CB panel and adding a generator interlock.  Work was done perfectly and efficiently...now when the neighborhood goes dark (all too often when the weather is bad in Northern VA), we have power and AC.  Thanks Evergreen."
Recommended by100%of homeowners
Showing 1-10 of 49
Energy Efficiency Auditing questions, answered by experts

STC (Sound Transmission Class) is a rating that describes how well a building material or assembly blocks airborne sound. A higher STC rating means less noise will pass through the material, providing better sound reduction. This rating system applies to various building components, including windows, doors, flooring, drywall, and insulation.

For context, a typical single-pane window has an STC rating of around 25 (where normal conversations are audible), while a well-sealed, double-pane window can exceed STC 45 (blocking loud speech and most music). It is important to note that for some products, like soundproofing drywall, the STC rating refers to the entire wall system, not just the individual panel.

Additionally, STC ratings are most effective for measuring sound reduction at mid-to-high frequencies, such as human speech, and may not accurately reflect how well a material blocks low-frequency sounds like bass music or thunder. Because of these factors, it is recommended to consult a professional to determine the right STC-rated materials for your specific soundproofing needs.

After you receive your audit and report, review the findings and determine which of the prescribed changes you want to make to improve your home’s energy efficiency. Start by contacting the type of professionals recommended by the auditor who can help you remedy the issues discovered during the audit. Prioritize the projects by urgency, importance, and budget. Then, gather estimates from several professionals, remembering to verify any necessary licensing and experience information.

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.

Leaving lights on raises the electric bill, but not as much as having high-wattage light bulbs. The best way to save on electric costs is to swap your light bulbs to LED or CFL bulbs that use far fewer watts. You can also use smart lights and light switches to control usage via a smartphone or voice-controlled device.

ENERGY STAR®-certified windows are the most energy-efficient windows on the market. This certification means that the window meets strict efficiency guidelines set forth by the Environmental Protection Agency. While they might cost more upfront, they can save you money on your energy bills in the long run. ENERGY STAR®-certified windows lower household energy bills by an average of 12% annually.

The Mclean, 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.