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

Avatar for Power Bros Solar by Don Harris
Power Bros Solar by Don Harris
5.0(
1
)
Energy Audit - For BusinessHome Energy Audit

Serving Denison, TX and surrounding areas

Approved

In business since 2016

Free estimates

Small jobs welcome

Here at Power Bros Solar by Don Harris we take pride in our work! Customer satisfaction is the cornerstone of the way we conduct business, and strive to complete the perfect job every time. We will SHOCK you with our competitive pricing. Give us a call today for a FREE estimate!!!

power.bros.solar/donaldharris
Solar Panels No money down
No Money Down Solar Panels
No money down!
No money down!

+1

Response time20 mins
Response rate100%
Avatar for Energy Defense Systems
Energy Defense Systems
5.0(
7
)
Energy Audit - For Business

Serving Denison, TX and surrounding areas

In business since 2023

Free estimates

Warranties offered

"I was thrilled with the work Enlighten Energy Solutions performed on my solar panel system. Ethan worked with me and listened attentively while I explained my issues with the system. He was able to diagnose the problem with the system, complete repairs, and verify the whole system was operating properly. He was extremely courteous and professional and I will absolutely call on them again."
Response time10 mins
Recommended by85%of homeowners
Avatar for ADT Solar
ADT Solar
4.4(
111
)
Energy Audit - For BusinessHome Energy Audit

Serving Denison, TX and surrounding areas

In business since 2008

Free estimates

Warranties offered

"Rep. checked entire system. He found several wires not connected properly and fixed this. He also made recommendations regarding the attachment of the panels to the rood that would provide more stability and leakproofing. The representative appeared to know what he was doing - much better than others, including the representative who was engaged by the roofer (who replaced our rood due to hail damage) to disconnect/connect the panels."
11 kW PV Installation
5 kW PV Installation
9.5 kW PV Installation
Recommended by89%of homeowners
Avatar for True Constant Electrical
True Constant Electrical
5.0(
2
)
Energy Audit - For BusinessHome Energy Audit

Serving Denison, TX and surrounding areas

Free estimates

Emergency services offered

Credit card accepted

"John was very professional! He was fair, explained everything well and got the work done efficiently! I really appreciated him keeping me in the loop every step. Also, he showed up!! I have had problems in the past with being stood up by other companies. Would definitely use again!"
Recommended by100%of homeowners
northshore pressure washing
New to Angi
Energy Audit - For BusinessHome Energy Audit

Serving Denison, TX and surrounding areas

In business since 2011

Free estimates

We are one of the largest energy consulting companies in the country. We offer Free Energy Forcasts to businesses across a wide variety of climate zones. When implemented, our recommendations can consistently save you 17-22% on your energy costs, in the first year. We offer a variety of products, from an all-inclusive fixed product, to a variable option and a hybrid. Call today to see what solutions we can offer you! References are available from very happy clients.

Avatar for Aerial Precision Imaging LLC
Aerial Precision Imaging LLC
New to Angi
Energy Audit - For BusinessHome Energy Audit

Serving Denison, TX and surrounding areas

Free estimates

Emergency services offered

Small jobs welcome

Aerial Precision Imaging LLC provides expert visual and handheld thermal inspections for homes and solar-equipped properties across North Texas. We help homeowners detect energy loss, moisture intrusion, and early signs of HVAC or roof inefficiencies—before they turn costly. Our FAA-certified pilot uses FLIR-grade thermal imaging and clear, data-driven reporting to deliver actionable insights. Serving Sanger, Denton, and surrounding communities with fast, no-pressure service and professional results.

Ceiling heat
Ceiling Junction
Wall Joint
Home Energy Loss Scan
Window

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Energy Efficiency Auditing FAQs, answered by experts

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.

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.

Installing weather stripping or upgrading to insulated panels can improve efficiency.

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.

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.

The Denison, TX homeowners’ guide to energy efficiency auditing services

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