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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

R-value measures an insulation material's thermal resistance, indicating its ability to resist heat transfer. A higher R-value signifies better insulation performance because the material is more effective at slowing heat flow. The R-value depends on the type, thickness, and density of the insulation material, such as fiberglass, foam, or cellulose. Each inch of insulation typically provides an R-value between 3 and 8. There is no single universal R-value; the optimal choice depends on your climate zone. Colder climates require a much higher R-value than warmer ones to maintain energy efficiency, keep the home warm in winter and cool in summer, and manage costs.

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.

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.

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.

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

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

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