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Verified Reviews for Energy Efficiency Auditing pros in Ellensburg, WA

*The Angi rating for Energy Efficiency Auditing companies in Ellensburg, WA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Energy Efficiency Auditing needs.

*The HomeAdvisor rating for Energy Efficiency Auditing companies in Ellensburg, WA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Energy Efficiency Auditing needs.

Last update on December 02, 2025

Find Energy efficiency auditors in Ellensburg

Trius Home Performance

4.71(
24
)

Trius Home Performance

4.71(
24
)
Customers say: True professional
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers

Trius Home Performance is a full service home energy retrofit and consulting company. We have been in business since 1999 and have weatherized more than 600 homes. We are certified by all local utility companies, the Building Performance Institute and the Community Power Works program. Our staff of building analysts, retrofit technicians and consultants provide home energy and comfort upgrades using science and experience at an affordable price.

Trius Home Performance is a full service home energy retrofit and consulting company. We have been in business since 1999 and have weatherized more than 600 homes. We are certified by all local utility companies, the Building Performance Institute and the Community Power Works program. Our staff of building analysts, retrofit technicians and consultants provide home energy and comfort upgrades using science and experience at an affordable price.

Obot Electric

5.00(
15
)

Obot Electric

5.00(
15
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Full Service Electrical Company. Residential and Commercial projects, whole home lighting installations, alternative power generation and more. KOHLER authorized dealer and certified LUTRON Installer.

Full Service Electrical Company. Residential and Commercial projects, whole home lighting installations, alternative power generation and more. KOHLER authorized dealer and certified LUTRON Installer.

Avatar for South Sound Solar Inc

South Sound Solar Inc

5.00(
5
)

South Sound Solar Inc

5.00(
5
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

South Sound Solar, Inc., is the South Sound’s Leading Solar Expert. South Sound Solar is a local, full service Solar Installer, based in Olympia, Washington. We are local leaders in the sales, engineering, design and installation of solar electric and solar hot water systems, both commercial and residential. As a local business, we take pride in our expertise of the Northwest’s solar potential. South Sound Solar offers free educational workshops on the topic of solar. Contact our office for the complete schedule.

South Sound Solar, Inc., is the South Sound’s Leading Solar Expert. South Sound Solar is a local, full service Solar Installer, based in Olympia, Washington. We are local leaders in the sales, engineering, design and installation of solar electric and solar hot water systems, both commercial and residential. As a local business, we take pride in our expertise of the Northwest’s solar potential. South Sound Solar offers free educational workshops on the topic of solar. Contact our office for the complete schedule.

Avatar for A+Design

A+Design

5.00(
4
)

A+Design

5.00(
4
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Owner-operated. No subs. Cost is determined by the job. I am a residential designer/drafter. I am also a Green Build Design Specialist (Eco-Friendly), and a Residential Accessibilty Design Specialist (for handicap access)..

"Ray was very professional and punctual. Even though my project seemed small to start with, it had a few difficulties to work with. He coordinated well with the Structural Engineer to get things right and absorbed a lot of work to get the drawings done on time. He is very prompt on returning phone calls or e-mail messages and answered all my questions. He was pretty detailed in his drawings as well."

vikas P on March 2018

Owner-operated. No subs. Cost is determined by the job. I am a residential designer/drafter. I am also a Green Build Design Specialist (Eco-Friendly), and a Residential Accessibilty Design Specialist (for handicap access)..

"Ray was very professional and punctual. Even though my project seemed small to start with, it had a few difficulties to work with. He coordinated well with the Structural Engineer to get things right and absorbed a lot of work to get the drawings done on time. He is very prompt on returning phone calls or e-mail messages and answered all my questions. He was pretty detailed in his drawings as well."

vikas P on March 2018

MACDONALD MILLER

5.00(
2
)

MACDONALD MILLER

5.00(
2
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

For owners, high performance buildings are profitable and marketable. For users, they are comfortable and provide a healthy environment. MacDonald-Miller delivers high performance buildings through innovative engineering and operational excellence. Whether envisioning a project in the pre-construction phase or optimizing a vintage building, MacDonald-Miller responds to each customer’s unique needs with deep experience and industry intelligence that includes LEED® accredited professionals and certified energy managers. Visit www.macmiller.com for more information.

For owners, high performance buildings are profitable and marketable. For users, they are comfortable and provide a healthy environment. MacDonald-Miller delivers high performance buildings through innovative engineering and operational excellence. Whether envisioning a project in the pre-construction phase or optimizing a vintage building, MacDonald-Miller responds to each customer’s unique needs with deep experience and industry intelligence that includes LEED® accredited professionals and certified energy managers. Visit www.macmiller.com for more information.

Avatar for Dressler Consulting, LLC

Dressler Consulting, LLC

4.33(
3
)

Dressler Consulting, LLC

4.33(
3
)
Customers say: Quick response
1994 years of experience

Dressler Consulting specializes in the computer design of Commercial and Residential Heating, Ventilating, and Air Conditioning Systems. We also design plumbing systems, industrial heating systems, and commercial exhaust and ventilation sytems.

Dressler Consulting specializes in the computer design of Commercial and Residential Heating, Ventilating, and Air Conditioning Systems. We also design plumbing systems, industrial heating systems, and commercial exhaust and ventilation sytems.

Avatar for JBC Group Solutions Inc

JBC Group Solutions Inc

4.00(
4
)

JBC Group Solutions Inc

4.00(
4
)
Customers say: Quality work
2007 years of experience

1-888-JBC-ON-TIME (888-522-6684). 26 employees in Portland area. No subs used. Payment may be made via PayPal.

1-888-JBC-ON-TIME (888-522-6684). 26 employees in Portland area. No subs used. Payment may be made via PayPal.

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Energy Efficiency Auditing questions, answered by experts

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.

Expert installation optimizes insulation properties, cutting energy costs and enhancing home comfort year-round.

Yes, installing an attic fan can help lower your electric bill—particularly if you live in a hot and humid region. By replacing hot and stuffy air with cooler air, these fans help regulate the temperature in your attic and the rest of your home, taking some of the pressure off of your air conditioner.

A home energy audit costs about $420 on average, ranging from about $100 to $2,250 or more. Cost factors include the size of your home, the type of testing, and the thoroughness of the audit. A Level 1 walk-through inspection will cost between $150 and $200 for the auditor to point out inefficiencies in your home. On the other hand, a more thorough Level 3 audit with testing and a detailed report will cost about $900.

Yes, pros suggest units with high EER ratings for energy savings.

The Ellensburg, 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.

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