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TRUSTED BY DURHAM, NC HOMEOWNERS

  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon41
    Verified energy efficiency auditing services reviews

Find Energy efficiency auditors in Durham

M&D Property Solutions
4.5(
23
)
Energy Audit - For BusinessHome Energy Audit

Serving Durham, NC and surrounding areas

Approved

In business since 2017

Emergency services offered

Warranties offered

We are dedicated to providing our clients with the very best in remodeling and repair work. With over 10 years of experience, we take an enormous amount of pride in the attention of detail put into each of the projects we are involved in. We are known for our quality work and the integrity of our business practices. Have an emergency? You can count on us to answer the call and we will be happy to help. We look forward to building long-term relationships with our clients and guarantee your satisfaction. Call us today for a quote!

Master bedroom
Master bedroom
Front hall
Living area
Entry

+10

Response time1 day
Recommended by100%of homeowners
Avatar for Peak Energy, Inc.
Peak Energy, Inc.
4.8(
168
)
Home Energy Audit

Serving Durham, NC and surrounding areas

In business since 2010

Credit card accepted

"The audit went even better than we expected. Nathan is very knowledgeable, professional and personable. He was clear in his explanations and his answers to our questions. And he summarized with a prioritized list of practical steps that we can take to improve our energy efficiency. On top of all that, he found that our thermostat was misconfigured and he fixed it -- the savings to us will exceed the cost of his visit after 2-3 cold-weather months."
Sealed Crawl Space with Spray Foam Insualted Walls
Home Energy Audit
Attic Spray Foam
Recommended by97%of homeowners
Avatar for DVM Electric & Mechanical
DVM Electric & Mechanical
4.9(
109
)
Energy Audit - For BusinessHome Energy Audit

Serving Durham, NC and surrounding areas

In business since 1989

Free estimates

Emergency services offered

"Technician was running about 10 minutes behind schedule but called to let us know. He had to go to the hardware store because he did not have the correct outlet. We had to pay for the outlet which was not costly $10. Once he had all needed items he was able to get the job done quickly. He also answered some questions that we had about additional electrical concerns."
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+2

Recommended by100%of homeowners
Avatar for EcoMaster LLC
EcoMaster LLC
4.3(
110
)
Energy Audit - For BusinessHome Energy Audit

Serving Durham, NC and surrounding areas

In business since 2013

Free estimates

Credit card accepted

"Project went very well from quote through completion. Price was very competitive. Team was prompt, hard working, and neat. They made sure we were able to review the finished project areas before signing off on their work. All (sales, admin and install crews) were professional, polite and respectful of us and our property. We hope to see energy savings as a result of bringing the insulation levels up to recommended standards. Thank you EcoMaster!"
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+29

Recommended by91%of homeowners
Avatar for Bull City Heating Cooling & Refrigeration
Bull City Heating Cooling & Refrigeration
4.7(
22
)
Energy Audit - For BusinessHome Energy Audit

Serving Durham, NC and surrounding areas

In business since 2015

Free estimates

Credit card accepted

"I had another come out and service my furnace and when I did that they came up with like $1200 worth of work. So what I did, I thought I would get a second quote. So, a friend of mine told me about Bull City Heating & Air, so I called them and I told them exactly what the other one told me. They went under and basically said there was no problem. There was a switch or a turn that had to be tightened, so they tightened it. There was something else that needed to be replaced and they said "No it didn't need to, it had a little rust." They kind of got the rust off and basically said it was fine. So, they saved me all kinds of money. It was excellent and I decided right there, I am using them for now on. I think they are just in the ballpark with everyone else for price. It's not like they are the highest or the lowest. I don't remember that kind of thing. They didn't break the bank, which is nice."
Recommended by90%of homeowners
Avatar for Triangle Reconstruction
Triangle Reconstruction
4.5(
529
)
Energy Audit - For BusinessHome Energy Audit

Serving Durham, NC and surrounding areas

In business since 2011

Free estimates

Credit card accepted

"It went well. The work was completed as bid. Triangle was very responsive to questions and provided answers and additional reading material. Inspections were done to be sure all work was completed to customer satisfaction and follow up work was completed as needed."
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Crawl Space Before
Crawl Space After
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+13

Recommended by89%of homeowners
Electric Security Technologies
5.0(
4
)
Energy Audit - For BusinessHome Energy Audit

Serving Durham, NC and surrounding areas

In business since 1986

Emergency services offered

"

We had Rick perform all the electrical work needed to bring our home office project to life, which included installing several new outlets, relocating several outlets, and installing a splitter for high speed data.  Rick had to make several trips to our house in coordination with the carpentry work being conducted, and he was very good about scheduling the dates and times for those visits.  Rick always kept us informed as to when he would be coming by and what he needed to do.  Rick was very friendly, professional, and provided us with high quality work.  We will use Rick in the future for all of our electrical needs.


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

Energy-efficient windows are judged on their performance according to a few different factors, including heat transfer, air leakage, light transference, and condensation resistance. If you're unsure whether a window is energy-efficient, look for an ENERGY STAR® label from the U.S. Environmental Protection Agency (EPA). If various products, including windows, meet energy-efficiency standards set by the federal government, the EPA issues this label to help consumers identify energy-efficient products.

Audits include inspecting insulation, HVAC systems, windows, and appliances to identify energy inefficiencies.

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.

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

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. 

The Durham, NC homeowners’ guide to energy efficiency auditing services

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