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TRUSTED BY APEX, NC HOMEOWNERS

  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon71
    Verified energy efficiency auditing services reviews

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

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

Serving Apex, 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 Apex, 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 Apex, 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 Apex, NC and surrounding areas

In business since 2013

Free estimates

Credit card accepted

"Ecomaster did an excellent job putting in the insulation. They sealed the attic, put in blown in insulation, plus weather striped and sealed stairway . They made an error in what to charge us- the attic space was larger than the house diagram showed. So, they actually charged us less than they should have. But they held to original estimate and didn't charge us more. I appreciated their honesty and integrity in keeping their word and holding to the original contract. There was also a rebate from Duke Energy that we were supposed to receive for putting in the insulation. It took 6 months and a lot of follow up on their side but they kept at it, kept us up to date and we finally received the rebate. I am very grateful for the work they put in after the sale. Our energy bills have dropped dramatically since the insulation was installed."
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+29

Recommended by91%of homeowners
Avatar for Enhanced Heating Cooling
Enhanced Heating Cooling
4.6(
76
)
Energy Audit - For BusinessHome Energy Audit

Serving Apex, NC and surrounding areas

In business since 1966

Free estimates

Emergency services offered

"I've been a Realtor for 18 years. I've never had a better experience with an HVAC company than I've had with Alpine.  We decided on Friday afternoon that I needed a new furnace and duct work, and the job was done by Tuesday afternoon, the day before Christmas!!   My experience with everyone, from the person who diagnosed my problem, to the person who discussed financing with me, to the technicians who installed the system, could not have been any better.
The technicians showed up on time, were extremely knowledgeable and professional, explained everything they did for me, and left the site cleaner than how they found it.  They were very impressive, had great attitudes, and made me feel very confident that the new system will serve me well, and will save me a lot of money in energy bills.
As a Realtor, I take my testimonials very seriously.  I can honestly say that my dealings with Alpine from start to finish were absolutely perfect, and I wouldn't change anything about how it went. I've emailed a testimonial to Alpine, and told them they can have anyone who is thinking of using them, to call me for a reference.  I will refer all of my clients and colleagues to Alpine.  I could not be happier with the job they did for me.

"
Recommended by91%of homeowners
Avatar for Triangle Reconstruction
Triangle Reconstruction
4.5(
529
)
Energy Audit - For BusinessHome Energy Audit

Serving Apex, 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 Apex, 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 FAQs, answered by experts

It’s not recommended to turn off your breaker box in hopes of saving electricity. Breaker boxes were not designed to constantly be switched on and off. Therefore, turning off breakers unnecessarily can cause costly damage that outnumbers any energy savings. Only flip your breakers if absolutely necessary when troubleshooting an electrical issue.

Yes, including optimizing settings and suggesting upgrades if needed.

Window AC units use a fair amount of electricity, but significantly less than central AC systems. Because they are more energy-efficient for cooling individual rooms or small spaces, their usage is comparatively low. On average, a window AC unit consumes between 500 and 1,400 watts, while a central AC system uses over 3,500 watts—meaning a window unit uses about one-third of the energy. This typically translates to a monthly running cost of $15 to $40, although this can vary depending on external factors.

A small sump pump running infrequently uses an average of 10 kilowatt-hours (kWh) of electricity per month. The average cost for electricity is $0.171 per kWh. The size and use frequency affect how much electricity it uses. Sump pumps average one-third to one horsepower (hp) motors. One hp is equal to 745.7 watts. Watts multiplied by the time your pump is running divided by 1,000 equals your average kWh. Multiply kWh by your average cost of electricity. In areas with high rain or a marsh basin, the average cost can be as high as $15-$25 a month.

Modern windows provide enhanced UV protection, improved heat retention, and cooling efficiency, contributing to overall household energy savings.

The Apex, 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.