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  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon22
    Verified energy efficiency auditing services reviews

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

Avatar for Evergreen Energy Services
Evergreen Energy Services
4.4(
24
)
Home Energy Audit

Serving Covington, WA and surrounding areas

Approved

In business since 2010

Free estimates

Credit card accepted

"We highly recommend this company. Kirk was on time and did what he said he was going to do. A complete and thorough energy audit was done including negative pressure test, smoke stick testing, thermo imaging evaluation, photos up in the attic and ending with a summary of what he found and advice on prioritizing projects. We opted to take notes because we didn t need a formal report. Kirk was very pleasant, patient and answered our multitude of questions. We learned a lot from him and we really appreciate all of the time he spent with us helping us understand the what s, why s and how s that need to be done. He went above and beyond what we expected and we are very grateful for it."
Response time9 hrs
Response rate100%
Recommended by100%of homeowners
Avatar for Home Squad
Home Squad
5.0(
77
)
Energy Audit - For BusinessHome Energy Audit

Serving Covington, WA and surrounding areas

In business since 1991

Free estimates

Emergency services offered

"I called Home Squad not knowing what to expect, I haven't heard of this company. But, I'm GLAD I did, Home Squad was amazing throughout the entire experience from calling them and setting up an appointment to meeting a wonderful electrician. Tyler was his name. Tyler was very personable and made sure he answered all my questions, I would highly recommend calling this company. They are greatly trained techs that come out and diagnose and explain things like no other. They installed a Tesla charger for my home in Bellevue and I can't wait to have them install a solar roof to my home. I have been running a generator for quite some time and solar shingles look beautiful on homes, I am ready to switch and have this team take care of it for me."
William saying Hello!
The unit has landed!
Our favorite vehicle!
Getting ready for drop off!
Additional Photos

+12

Recommended by100%of homeowners
Becker Design Consulting
4.7(
10
)
Energy Audit - For BusinessHome Energy Audit

Serving Covington, WA and surrounding areas

In business since 2008

"Well, it was fun as well as giving me just what I wanted for my house.....more light, more privacy, and aesthetics. The nice thing about Tim, aside from the fact that he's a nice person and very intelligent, and gifted in his field, is that he listens and makes you part of the process. I felt totally at ease and secure giving him keys to my house for work that was done when I wasn't there. My house maintains it's old feel (he blended the new with the old) as well as contributing to making it an even more beautiful house."
Recommended by87%of homeowners
Avatar for Saving Energy Seattle, LLC
Saving Energy Seattle, LLC
New to Angi
Home Energy Audit

Serving Covington, WA and surrounding areas

In business since 2002

Free estimates

At Saving Energy Seattle, LLC, we are a full-service team, owner-operated energy conservation company, offering energy inspection and insulation contracting services. At Saving Energy Seattle, LLC, we have served the Seattle/King County) area for more than 2 years as an energy conservation company and 8 years previously as a general contractor. We work with Seattle City Light, Community Power Works and Puget Sound Energy customers. With our experience, you can be sure that we'll get the job done right the first time.

 Saving Energy Seattle Logo
 Usual areas of air leakage in a house
 Using a Blower Door to Test a House
 Blowing in loose-fill insulation in an attic
Attic before insulation

+2

Ivory Coman
New to Angi
Energy Audit - For BusinessHome Energy Audit

Serving Covington, WA and surrounding areas

In business since 2022

Free estimates

Credit card accepted

We are committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business.

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Energy Efficiency Auditing FAQs, answered by experts

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

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.

There are a couple of ways you can save on the cost of your home energy audit. First, find out if you qualify for programs like the Department of Energy’s Weatherization Assistance Program for low-income households. Next, check with your local utility company to find out if you qualify for any local rebate programs to offset the cost of this helpful service.

If you have central air conditioning, it’s fine to run your AC all day if that’s what you want—as long as the AC unit is in good condition. But if your AC runs constantly when you don’t want it to, there may be a problem with your system (like the ones we’ve mentioned above). Window AC units and wall air conditioners aren’t as powerful as central AC, so you should only run those kinds of air conditioners for eight to 12 hours at a time.

Costs depend on pipe length, accessibility, and whether additional services are required.

The Covington, WA homeowners’ guide to energy efficiency auditing services

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