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    Verified energy efficiency auditing services reviews

Top-Rated Energy efficiency auditors in Terrell - 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 Terrell, 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%
Advanced Energy Solutions
4.5(
58
)
Home Energy Audit

Serving Terrell, TX and surrounding areas

In business since 2009

Free estimates

Warranties offered

"My house was using an insane amount of electricity. We were nearing 100 KWH a day. I called AES to hire them to conduct a diagnostic test to identify the issue. Larry gave me some steps to walk through to assess my house on my home and said if that did not help to give a callback and they would come out to do the diagnostic. Low and behold, Larry helped me identify the issue without a dollar spent, and now I am using 15 kWh a day instead of 100! Larry is super knowledgeable, super friendly, and definitely who I will call for any of my future energy needs. These guys know their business."
 Duct blaster is used to measure duct efficiency.
 Blower Door measures infiltration and drafts.
 Thermal imaging helps locate energy loss.
Recommended by92%of homeowners
Avatar for ENERGY ATTIC USA
ENERGY ATTIC USA
4.9(
31
)
Energy Audit - For BusinessHome Energy Audit

Serving Terrell, TX and surrounding areas

In business since 2006

Free estimates

Credit card accepted

"From start to completion everything for the initial quote, to showing up on time, to completing the job quickly and cleaning up was absolute professionalism. Kent , the owner, was great and everything he told me was correct. I have waited to post my evalution because I wanted to receive my first utility bill after completion. My utility bills in the summer were ranging from $250-$300 a month. I have a 2267 square foot home with a pool. My first bill since my new installation was $200.00, a wonderful drop from last year. The pool uses a lot of energy. Before, my garage was incredibly hot in the summer and I can really tell the difference. I leave my thermostat on 78 and it is actually cold at night. I highly recommend them.
"
Radiant Barrier
Insulation
Solar Attic Fans
Recommended by100%of homeowners
Avatar for Energy Defense Systems
Energy Defense Systems
5.0(
7
)
Energy Audit - For Business

Serving Terrell, 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 Upton Electric
Upton Electric
4.3(
316
)
Energy Audit - For BusinessHome Energy Audit

Serving Terrell, TX and surrounding areas

In business since 2013

Free estimates

Emergency services offered

"Even though I was unable to have the lights installed due to the ceiling supports, I think it was a great experience with Upton Electric. He methodically inspected the ceiling before beginning, and when the ideal conditions weren't found, he walked me through the options we had up to the point of offering a refund. I do not believe he was required to do that, so I greatly appreciate him working with me. I would highly recommend him for any electrical needs given his professionalism and his concern to make sure he left a customer happy.
"
Zhu Install
Jeremy
Entry
Exterior
Exterior Service Mast

+2

Recommended by92%of homeowners
Avatar for ADT Solar
ADT Solar
4.4(
111
)
Energy Audit - For BusinessHome Energy Audit

Serving Terrell, TX and surrounding areas

In business since 2008

Free estimates

Warranties offered

"We met with 3 different companies to advise on getting solar panels. The first 2 companies basically just told us what size system we could get based on state and federal tax rebate levels. Heard an advertisement for Sunpro on radio and decided to call them; turned out to be a good decision. Kara with Sunpro was extremely informative and had a nice package put together for us to review. She even researched our home and had an idea of how much production we could expect with the recommended solar panels. Even after selecting Sunpro, I called Kara with questions about things I'd heard from others or something I forgot to ask. I never felt like I was a burden and she always returned my calls if I had to leave a message. The complete team with Sunoro were professional and eager to help. Satisfied with new solar system and looking forward to enjoying savings on electric bills.
"
11 kW PV Installation
5 kW PV Installation
9.5 kW PV Installation
Recommended by89%of homeowners
Avatar for At-Ease Home Inspections
At-Ease Home Inspections
4.8(
24
)
Home Energy Audit

Serving Terrell, TX and surrounding areas

In business since 2008

Credit card accepted

"Response for inspection was quick. Walked us through the process very well. Was available afterwards for a datailed review and explanation of findings. On the improvement side, would have appreciated a picture be provided as part of inspection on areas of concerns or those areas requiring correction"
Response time40 mins
Recommended by95%of homeowners
Avatar for A#1 Air
A#1 Air
4.4(
1,133
)
Energy Audit - For BusinessHome Energy Audit

Serving Terrell, TX and surrounding areas

In business since 1990

Free estimates

Emergency services offered

"The salesman I talked to was very informative and gave me a fair estimate and attractive financing option. The technicians that installed it were prompt, polite, thorough, and did quality work. The a/c is working great, and I'm already seeing a significant reduction in electric bill from my ancient 20+ yo system after just a month."
Protecting Your Home
Air Conditioning Testing
Duct Cleaning
Hot Water Heater
Electric Panels

+5

Recommended by87%of homeowners
Showing 1-10 of 36
Energy Efficiency Auditing FAQs, answered by experts

Wood windows fall in the middle of the window frame materials when it comes to energy efficiency. They’re more insulating than aluminum and vinyl, but they aren’t as efficient as fiberglass or composite frames. If you love the look and lifespan of wood windows and want to maximize efficiency, you can upgrade to double-pane or triple-pane glass and consider window tinting and low-emissivity (low-E) coatings to minimize heat transfer.

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, a dirty air filter can cause a higher electric bill. That’s because clogged filters make it harder for air to flow through your HVAC system, which forces it to work harder and use more energy. According to the U.S. Department of Energy, replacing dirty filters can save you between 5% and 15% in utility costs.

You can check your home's humidity in a few ways. A simple option is to use a hygrometer, which you can find at a hardware or big box store. Your smartphone may also have an app that can measure humidity. Modern thermostats, particularly smart thermostats, are also able to measure humidity levels.

There are a few ways to reduce your electricity bills if you use window AC units to keep cool. Set the unit temperature at least 1 degree higher than it is currently to reduce costs. Keep the unit clean for it to run efficiently. You may want to hire a window AC specialist near you to inspect the unit once a year and keep it in tip-top shape.

The Terrell, 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.