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TRUSTED BY TRIANGLE, VA HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon24
    Verified energy efficiency auditing services reviews

Find Energy efficiency auditors in Triangle

Avatar for EDGE Energy
EDGE Energy
4.5(
50
)

Serving Triangle, 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 by92%of homeowners
Avatar for Evergreen Electric LLC
Evergreen Electric LLC
4.9(
36
)

Serving Triangle, 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
)

Serving Triangle, 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
)

Serving Triangle, 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
)

Serving Triangle, 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 questions, answered by experts

There is no blanket figure for a residential home’s electrical load, since load varies by the size of the home, how many appliances are used, and the efficiency of their electrical systems. Typically, however, it’s safe to assume 40 to 60 amps is the average electrical load of a residential home. 

String lights require electricity, but not an excessive amount, especially when compared to other lighting fixtures. LED rope lights, for instance, consume around one watt per foot. Running six or seven light strings simultaneously should only cost you around $10 to $15 each month. You can save even more money by remembering to turn off your lights during daylight hours. 

Expert installation optimizes insulation properties, cutting energy costs and enhancing home comfort year-round.

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.

A home energy audit costs about $420 on average, with prices ranging from $100 to $2,250 or more. The final cost depends on factors like your home's size, location, the thoroughness of the audit, and the specific tests performed. A basic Level 1 walk-through inspection typically costs between $150 and $200, while a comprehensive Level 3 audit with detailed testing and a report costs around $900. Homeowners may be able to use the 2022 Inflation Reduction Act’s Energy Efficient Home Improvement credit to cover up to $150 of the audit cost.

Costs for common individual tests include:

  • Blower door test: $350

  • Duct testing: $100

  • HERS test: $375

  • HERS certification: $200

  • Infrared imaging: $200

The Triangle, 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.