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

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

Serving Spanaway, WA and surrounding areas

Approved

In business since 2010

Free estimates

Credit card accepted

"I just bought a large older home and received my first electric bill.....wait for it.....$850 for this month! Ouch!! I decided I needed to figure out where to start and what to replace and where and how exactly I was burning through so much energy. I called Evergreen Energy Services. Kirk was great! He showed up on time and with a smile. He was very professional and explained exactly what tests he would be preforming during my homes energy audit. He showed me all of the areas my home was not sealed and letting cold air in and letting all my warm air out. Kirk offered ideas and advice on making my home more energy efficient, lowering the heating bills and saving money. Kirk does not sell Energy Products so I felt like I got a very non bias energy consult and was not pressured towards certain Brands or Systems. I would definitely recommend Evergreen Energy Services! Megen 😊"
Response time9 hrs
Response rate100%
Recommended by100%of homeowners
Becker Design Consulting
4.7(
10
)
Energy Audit - For BusinessHome Energy Audit

Serving Spanaway, 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
L&S Homes
New to Angi
Energy Audit - For BusinessHome Energy Audit

Serving Spanaway, WA and surrounding areas

In business since 1995

Free estimates

Credit card accepted

We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We offer a variety of inspection services that are customizable to each individual project. You will find us to be competitively priced, paying close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships and guarantee your satisfaction!

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

Serving Spanaway, 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.

CJ Lighting Solutions - Home Facebook
0.0(
2
)
Energy Audit - For Business

Serving Spanaway, WA and surrounding areas

In business since 2004

Free estimates

Credit card accepted

Here at CJ Electrical Supply and Services, LLC, we make it easy and cost-effective for owners of existing buildings to be part of the solution while reaping the same cost and quality benefits. We not only supply, install, remove, and recycle high efficiency lamps and fixtures, but we guide our customers through all their options. This includes day lighting, control, and electrical retrofits as well as the rebates and incentives that accelerate the return on investment. We are committed to environmentally-friendly and energy-saving techniques that enrich the lives of Seattle and its surrounding areas.

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

Dehumidifiers typically use 300 to 700 watts of electricity per hour, whereas portable dehumidifiers use about 40 watts per hour. The exact amount of electricity your dehumidifier will generate depends on its capacity and energy efficiency. Generally, higher-capacity dehumidifiers generate more electricity than lower-capacity units, but they also usually have better energy efficiency over the long run.

Common warning signs of an overloaded electrical panel or meter box include frequent circuit breaker tripping, flickering or dimming lights, scorch or burn marks, and a burning scent coming from the panel. A circuit breaker trips as a protective measure to prevent overheating and potential fires. If you observe any of these signs, turn off the affected circuit breaker and move some devices to a different circuit. If the problem persists after turning the breaker back on, you should contact a professional electrician to resolve the issue.

While many states require all new construction to undergo blower door tests, it’s not a requirement for existing homes. But in both cases, a blower test helps confirm that the contractor has sealed the exterior, that the type of ductwork installed is functioning properly, and that your home is as efficient as possible.

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 blower door test shouldn’t take more than an hour, and most can be completed in less than 30 minutes. Expect the test to take longer once you start searching for leaks with thermal imaging or want to include sealing such leaks in the time estimate. The test doesn’t take much time and can’t be rushed, but it will take longer in large homes or those with many air leaks.

The Spanaway, 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.