
Get matched with top energy efficiency auditors in Lilliwaup, WA
There are 4 highly-rated local energy efficiency auditors.
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Verified Reviews for Energy Efficiency Auditing pros in Lilliwaup, WA
*The Angi rating for Energy Efficiency Auditing companies in Lilliwaup, 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 Lilliwaup, 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 11, 2025
Find Energy efficiency auditors in Lilliwaup

Peninsula Heat
Peninsula Heat
Peninsula Heat has been "setting the standard for quality work and customer satisfaction" since 1996. Peninsula Heat prides it's self on being more than the normal installation company, we engineer every installation to be of the highest quality to cost ratio, to be the most efficient, effective, aesthetic and honestly priced system possible. Our service technicians are constantly having their training levels and certifications improved upon to maintain up-to-date knowledge of this endlessly evolving, complex, technical trade. As a family owned and operated business, we take our relationships with our customers very seriously as we, like our customers, are apart of our community and the reputation of being honest and responsible is of the utmost importance.
"Had my annual service today, Jessie did a great job, was very professional and efficient. I have two heat pumps one for the upstairs and one for the downstairs. Nancy always does such a great job making my appointment as quickly as possible when I call. Have been so happy with the service ever since my first HVAC was installed in 1996 and upgraded a few years ago. A great company to deal with."
Naomi F on November 2024
Peninsula Heat has been "setting the standard for quality work and customer satisfaction" since 1996. Peninsula Heat prides it's self on being more than the normal installation company, we engineer every installation to be of the highest quality to cost ratio, to be the most efficient, effective, aesthetic and honestly priced system possible. Our service technicians are constantly having their training levels and certifications improved upon to maintain up-to-date knowledge of this endlessly evolving, complex, technical trade. As a family owned and operated business, we take our relationships with our customers very seriously as we, like our customers, are apart of our community and the reputation of being honest and responsible is of the utmost importance.
"Had my annual service today, Jessie did a great job, was very professional and efficient. I have two heat pumps one for the upstairs and one for the downstairs. Nancy always does such a great job making my appointment as quickly as possible when I call. Have been so happy with the service ever since my first HVAC was installed in 1996 and upgraded a few years ago. A great company to deal with."
Naomi F on November 2024

Crawl Pros
Crawl Pros
Crawl Pros is a whole home insulation contractor that specializes in residential retrofit and offers the most environmentally friendly materials for all applications and budgets.
"At every step along the way they were thorough and professional. The estimator provided a very detailed scope and quote and patiently answered my questions. The installation crew was quick, efficient, friendly, and were so meticulous with their prep that up you couldn't even tell they were here after they left. I also appreciated the "after-photos" they sent me, it looks great!"
Paul P on August 2020
Crawl Pros is a whole home insulation contractor that specializes in residential retrofit and offers the most environmentally friendly materials for all applications and budgets.
"At every step along the way they were thorough and professional. The estimator provided a very detailed scope and quote and patiently answered my questions. The installation crew was quick, efficient, friendly, and were so meticulous with their prep that up you couldn't even tell they were here after they left. I also appreciated the "after-photos" they sent me, it looks great!"
Paul P on August 2020
Hawk Environmental Services Inc
Hawk Environmental Services Inc
Hawk Environmental Services was founded by Ben Tressel and Dan Ventura. We focus on professional inspection, testing, consultation and reporting of a wide variety of indoor environmental conditions. You can count on us to provide a thorough investigation of the issues at hand, followed up with professional documentation that will meet all applicable state, local, and federal regulations. We currently hold certifications in the following fields: Building performance institute (BPI) building analyst Energy Star Verifier AHERA asbestos inspector State certified lead inspector State certified lead risk assessor Water damage restoration Mold inspection
"Amazing job and gave great recommendations!"
Nandita G on November 2023
Hawk Environmental Services was founded by Ben Tressel and Dan Ventura. We focus on professional inspection, testing, consultation and reporting of a wide variety of indoor environmental conditions. You can count on us to provide a thorough investigation of the issues at hand, followed up with professional documentation that will meet all applicable state, local, and federal regulations. We currently hold certifications in the following fields: Building performance institute (BPI) building analyst Energy Star Verifier AHERA asbestos inspector State certified lead inspector State certified lead risk assessor Water damage restoration Mold inspection
"Amazing job and gave great recommendations!"
Nandita G on November 2023

Sunset Air Inc
Sunset Air Inc
We are not comfortable until you are. For more than 36 years Sunset Air has been a leader in the HVAC industry in the South Puget Sound area. Our success has not come by accident. Our excellent reputation is due to our commitment to quality, service and our community. Because of our extensive experience in the industry we can help you with any of your heating and cooling needs, whether it’s a new installation, replacement or service. We can provide you with energy saving solutions that go beyond your furnace and heat pump with additional products and services that will increase your homes energy efficiency. We have certified whole home energy specialists who will conduct a full energy audit on your house to determine where your home is vulnerable to energy loss. We can provide you with the products and quality installation that will upgrade your home to a high energy efficient home with Milgard windows, Lopi Fireplaces, Ranni Tank Less water heaters, generators and the latest technology in green energy products such as a geothermal ground source heat pump system and solar energy systems. Call us today to find out how your home can become more energy efficient. Products: Furnaces, Heat Pumps, fireplaces, windows, doors, skylights, geothermal heat pumps, water heaters, tank-less water heaters, solar energy panels & duct-less mini splits. Residential Services include: New construction installation, Retro-fit / Replacement, Maintenance and Service & repairs. Product lines we carry include, Carrier, Milgard Windows, Rinnai tank-less water heaters, Lopi Gas fireplaces, Heat & Glo gas fireplace inserts, Generac Generators and Ductless mini splits.
"We had a wonderful experience having our new units installed by Sunset Air. Our initial contact Jessie was great to work with. The installation team of Ian, Jason, and Michael, and the Electricians Tristan and Justin were all very professional and did a great job. Jessie made several trips to our home, confirming our system as the team at Sunset Air put together a plan and identified what system would best suit our needs. The team was able to troubleshoot our old 1970 furnace and heat pump system. The system was a unique installation in an outside furnace room with a lot of the plumbing running under the home. Removal was quick. The new installation required some custom-designed Ductwork and some changes to the electrical system to ensure proper installation. The installation team was always on time, and when they left, you would never have known they were there; they took everything with them daily. Once the system was complete, we received a comprehensive run-through of the entire system and tips for maintaining the overall system. We were kept informed all the way through the process. Ian and Michael went the extra mile at the end and noticed the UV Units were not working correctly because our custom system wasn’t providing enough pressure to turn the units on. They spent the time troubleshooting and custom fabricating a workaround on the fly, adjusting to ensure the system was working. We had our County Inspection the next day, and the County inspector was impressed and had great things to say about the installation. We hesitated for years to replace the furnaces because with an old farmhouse, everything turns into a “CUSTOM” Job and typically is full of heartache and pain with cost overruns and the “What We thought was.” Not with these guys. They came in, did a fantastic job, and finished not just on time, which has never happened at our home. They Finished Early !! Thank you to the whole team at Sunset Air. Especially our team Ian, Jason, and Michael, and the Electricians Tristan and Justin. We highly recommend Sunset Air."
Richard L on November 2022
We are not comfortable until you are. For more than 36 years Sunset Air has been a leader in the HVAC industry in the South Puget Sound area. Our success has not come by accident. Our excellent reputation is due to our commitment to quality, service and our community. Because of our extensive experience in the industry we can help you with any of your heating and cooling needs, whether it’s a new installation, replacement or service. We can provide you with energy saving solutions that go beyond your furnace and heat pump with additional products and services that will increase your homes energy efficiency. We have certified whole home energy specialists who will conduct a full energy audit on your house to determine where your home is vulnerable to energy loss. We can provide you with the products and quality installation that will upgrade your home to a high energy efficient home with Milgard windows, Lopi Fireplaces, Ranni Tank Less water heaters, generators and the latest technology in green energy products such as a geothermal ground source heat pump system and solar energy systems. Call us today to find out how your home can become more energy efficient. Products: Furnaces, Heat Pumps, fireplaces, windows, doors, skylights, geothermal heat pumps, water heaters, tank-less water heaters, solar energy panels & duct-less mini splits. Residential Services include: New construction installation, Retro-fit / Replacement, Maintenance and Service & repairs. Product lines we carry include, Carrier, Milgard Windows, Rinnai tank-less water heaters, Lopi Gas fireplaces, Heat & Glo gas fireplace inserts, Generac Generators and Ductless mini splits.
"We had a wonderful experience having our new units installed by Sunset Air. Our initial contact Jessie was great to work with. The installation team of Ian, Jason, and Michael, and the Electricians Tristan and Justin were all very professional and did a great job. Jessie made several trips to our home, confirming our system as the team at Sunset Air put together a plan and identified what system would best suit our needs. The team was able to troubleshoot our old 1970 furnace and heat pump system. The system was a unique installation in an outside furnace room with a lot of the plumbing running under the home. Removal was quick. The new installation required some custom-designed Ductwork and some changes to the electrical system to ensure proper installation. The installation team was always on time, and when they left, you would never have known they were there; they took everything with them daily. Once the system was complete, we received a comprehensive run-through of the entire system and tips for maintaining the overall system. We were kept informed all the way through the process. Ian and Michael went the extra mile at the end and noticed the UV Units were not working correctly because our custom system wasn’t providing enough pressure to turn the units on. They spent the time troubleshooting and custom fabricating a workaround on the fly, adjusting to ensure the system was working. We had our County Inspection the next day, and the County inspector was impressed and had great things to say about the installation. We hesitated for years to replace the furnaces because with an old farmhouse, everything turns into a “CUSTOM” Job and typically is full of heartache and pain with cost overruns and the “What We thought was.” Not with these guys. They came in, did a fantastic job, and finished not just on time, which has never happened at our home. They Finished Early !! Thank you to the whole team at Sunset Air. Especially our team Ian, Jason, and Michael, and the Electricians Tristan and Justin. We highly recommend Sunset Air."
Richard L on November 2022

CHEHALIS SHEET METAL HEATING & COOLING & ROOFING
CHEHALIS SHEET METAL HEATING & COOLING & ROOFING
We have been in business since 1962, we have approx 65 employees, with 4 install crews for heating and cooling, 2 full roofing crews, 6 service techs. Trying to not disrupt your house hold we try and complete your job in one day, making sure we have everything we need and a crew that is highly skilled to perform the work correctly and timely. Leaving your home as clean as when we came. Protecting the outdoor plants, or yard decorations during roofing.
"They did an excellent service and great quality."
Todd W on September 2019
We have been in business since 1962, we have approx 65 employees, with 4 install crews for heating and cooling, 2 full roofing crews, 6 service techs. Trying to not disrupt your house hold we try and complete your job in one day, making sure we have everything we need and a crew that is highly skilled to perform the work correctly and timely. Leaving your home as clean as when we came. Protecting the outdoor plants, or yard decorations during roofing.
"They did an excellent service and great quality."
Todd W on September 2019
Mr. Electric of Olympia
Mr. Electric of Olympia
Additional phones - (360)426-7600 & (360)458-4002. Additional DBA - Rainier Road Enterprises Inc.
"Our original date for work to be done was rescheduled by Mr. Electric for two weeks later. Once the two electricians arrived, we were very pleased with the work they did. They were efficient and did everything we needed doing and more. They were courteous and took the time to explain what they were doing. They left the folders of info for each item. They wore booties over their shoes and cleaned up very well. We were very pleased and would hire them again."
Dorothy A on July 2024
Additional phones - (360)426-7600 & (360)458-4002. Additional DBA - Rainier Road Enterprises Inc.
"Our original date for work to be done was rescheduled by Mr. Electric for two weeks later. Once the two electricians arrived, we were very pleased with the work they did. They were efficient and did everything we needed doing and more. They were courteous and took the time to explain what they were doing. They left the folders of info for each item. They wore booties over their shoes and cleaned up very well. We were very pleased and would hire them again."
Dorothy A on July 2024
Obot Electric
Obot Electric
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.
NORTHWEST INFRARED
NORTHWEST INFRARED
Our professional services will provide you the information that you need to make educated decisions about the condition of your home and its systems. Whether you are concerned about wasted high energy costs, leaks, or smells, we can help. Northwest Infrared certified thermography staff specializes in non destructive testing and diagnoses of many different subjects using infrared technology for the owner and contractor. As a Level II Thermographer, Brent Foster is the best professional in the region to perform your needed infrared scans, investigations, testify on your behalf, and discover issues that others with less experience may completely overlook.
Our professional services will provide you the information that you need to make educated decisions about the condition of your home and its systems. Whether you are concerned about wasted high energy costs, leaks, or smells, we can help. Northwest Infrared certified thermography staff specializes in non destructive testing and diagnoses of many different subjects using infrared technology for the owner and contractor. As a Level II Thermographer, Brent Foster is the best professional in the region to perform your needed infrared scans, investigations, testify on your behalf, and discover issues that others with less experience may completely overlook.
Imagine Energy
Imagine Energy
Proudly serving the Portland, Seattle and surrounding areas since 2003. Imagine Energy is a Solar Electric installer in the Northwest that provides expertly crafted energy solutions for residential and commercial customers.
Proudly serving the Portland, Seattle and surrounding areas since 2003. Imagine Energy is a Solar Electric installer in the Northwest that provides expertly crafted energy solutions for residential and commercial customers.
ecoInsulate Northwest
ecoInsulate Northwest
EcoInsulate Northwest offers energy efficiency measures of almost any kind. Insulation, HVAC, and Windows are just a few things we offer and projects that are saving our customers as much as 50% on their heating costs. ecoinsulate Northwest breaks away from "green" meaning it costs more. ecoinsulate Northwest exclusively uses products that are not only green them selves, but green in their results, and save our customers some "green." Contact us to find out how much you could be saving!
EcoInsulate Northwest offers energy efficiency measures of almost any kind. Insulation, HVAC, and Windows are just a few things we offer and projects that are saving our customers as much as 50% on their heating costs. ecoinsulate Northwest breaks away from "green" meaning it costs more. ecoinsulate Northwest exclusively uses products that are not only green them selves, but green in their results, and save our customers some "green." Contact us to find out how much you could be saving!
The Lilliwaup, 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.
•Discover the average home energy audit cost, what impacts pricing, and how to save money on your audit. Get transparent, expert-backed cost info for homeowners.

A home energy audit is a detailed write-up of how to lower your utility bills and increase your comfort level. Find out if they’re worth the cost.
•Get a detailed breakdown of thermal imaging home inspection costs, including average prices, cost factors, and tips to help homeowners budget.

Home energy audits can identify ways to make your home more energy-efficient. Learn whether an energy audit is a good investment for your home.
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