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*The Angi rating for Energy Efficiency Auditing companies in Willows, CA 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 Willows, CA 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 14, 2025
Find Energy efficiency auditors in Willows

Gallaghers Plumbing, Heating & Air Inc.
Gallaghers Plumbing, Heating & Air Inc.
Welcome to Gallagher's Heating, Air Conditioning & Plumbing, where your family's comfort and safety are our top priorities. Whether you need air conditioning service, heating repairs, plumbing solutions, or indoor air quality improvements, you'll be served by one of our "Stand Up Guys" - highly trained professionals you can trust. Every member of our team has completed rigorous technical training, passed comprehensive background checks, and regular drug screening. We take pride in sending only the most qualified, courteous, and reliable technicians to your home. When you choose Gallagher's, you're choosing peace of mind and exceptional service from professionals who treat your home as if it were their own.
Welcome to Gallagher's Heating, Air Conditioning & Plumbing, where your family's comfort and safety are our top priorities. Whether you need air conditioning service, heating repairs, plumbing solutions, or indoor air quality improvements, you'll be served by one of our "Stand Up Guys" - highly trained professionals you can trust. Every member of our team has completed rigorous technical training, passed comprehensive background checks, and regular drug screening. We take pride in sending only the most qualified, courteous, and reliable technicians to your home. When you choose Gallagher's, you're choosing peace of mind and exceptional service from professionals who treat your home as if it were their own.
Climate & Energy Solutions
Climate & Energy Solutions
We have evolved into a Home Energy company. We do Home Energy Audits. We participate in State, Federal, Local and PG&E rebate programs. We offer a whole home solution to energy issues including heating, air conditioning, Solar Energy Systems, Insulation, Air Ducting (installation and cleaning), Energy Efficient Windows, Variable Speed Pool Pump, and Tank-less Water Heaters. We provide both service and sales for any brand of equipment. Our technicians are back round checked, professional, courteous and factory trained. Additional phone number - (530) 342-2562. Additional DBAs - Climate Masters Heating and Air Conditioning, Sheraton Services Inc.
We have evolved into a Home Energy company. We do Home Energy Audits. We participate in State, Federal, Local and PG&E rebate programs. We offer a whole home solution to energy issues including heating, air conditioning, Solar Energy Systems, Insulation, Air Ducting (installation and cleaning), Energy Efficient Windows, Variable Speed Pool Pump, and Tank-less Water Heaters. We provide both service and sales for any brand of equipment. Our technicians are back round checked, professional, courteous and factory trained. Additional phone number - (530) 342-2562. Additional DBAs - Climate Masters Heating and Air Conditioning, Sheraton Services Inc.
R B Spencer Inc Heating & Air
R B Spencer Inc Heating & Air
R.B. Spencer Inc installs and maintains heating and air conditioning units (HVAC) for homes and businesses throughout the N. California. Twenty-four hours a day and seven days a week air conditioning and heating repair and installation headquarters in Yuba City California. With a staff of fully trained and certified air conditioning and refrigeration technicians throughout Northern California to better help you. Serving Colusa County, Nevada County, Placer County, Glenn County, Yolo County, Butte County, Sacramento County Yuba County and Sutter County since 1984. Additional email: [email protected]
R.B. Spencer Inc installs and maintains heating and air conditioning units (HVAC) for homes and businesses throughout the N. California. Twenty-four hours a day and seven days a week air conditioning and heating repair and installation headquarters in Yuba City California. With a staff of fully trained and certified air conditioning and refrigeration technicians throughout Northern California to better help you. Serving Colusa County, Nevada County, Placer County, Glenn County, Yolo County, Butte County, Sacramento County Yuba County and Sutter County since 1984. Additional email: [email protected]

Urban Design
Urban Design
Urban Design is the premier residential, commercial, and agricultural solar contractor in Northern California specializing in custom solar designs and installs. Based in Chico, Urban Design prides itself on being in the forefront of renewable energy and construction projects and offering the latest technologies from Hanwha Q Cells, REC Solar, LG Electronics, Canadian Solar, SolarEdge, and LG Chem. Making the decision to invest in solar is more than just committing to making the world a better place; you’re also making an economically smart decision for you and your family. We will work with you to not only get the most energy efficient system for your home but also to find the best financing as well as state and federal refunds for you! When you go solar you reduce your electrical bills from the second it’s installed and savings will continue to grow as the years flow. From grid-tie solar arrays to off-grid arrays, from roof mount to ground mount, patio covers to carports, Urban Design is here to help find the best solution for you and your home.
Urban Design is the premier residential, commercial, and agricultural solar contractor in Northern California specializing in custom solar designs and installs. Based in Chico, Urban Design prides itself on being in the forefront of renewable energy and construction projects and offering the latest technologies from Hanwha Q Cells, REC Solar, LG Electronics, Canadian Solar, SolarEdge, and LG Chem. Making the decision to invest in solar is more than just committing to making the world a better place; you’re also making an economically smart decision for you and your family. We will work with you to not only get the most energy efficient system for your home but also to find the best financing as well as state and federal refunds for you! When you go solar you reduce your electrical bills from the second it’s installed and savings will continue to grow as the years flow. From grid-tie solar arrays to off-grid arrays, from roof mount to ground mount, patio covers to carports, Urban Design is here to help find the best solution for you and your home.

PowerHouse Solar
PowerHouse Solar
Premier installer of residential solar energy systems in Northern California, since 2003. 20 employees. A+ rating with the Better Business Bureau, member of Shasta Builders Exchange, Redding Chamber of Commerce, fully Bonded & Insured. We are a "Premer Dealer" for SunPower Corp, the world's most efficient solar panel, with the largest market share of solar installations in the U.S., both Commercial & Residential. Certified installer of Fafco swimming pool solar systems.
Premier installer of residential solar energy systems in Northern California, since 2003. 20 employees. A+ rating with the Better Business Bureau, member of Shasta Builders Exchange, Redding Chamber of Commerce, fully Bonded & Insured. We are a "Premer Dealer" for SunPower Corp, the world's most efficient solar panel, with the largest market share of solar installations in the U.S., both Commercial & Residential. Certified installer of Fafco swimming pool solar systems.
Solar Wolf Energy
Solar Wolf Energy
Solar Wolf is a full service solar company with a great reputation and an old world belief to our customers. To under-promise and over-deliver, period. We have 18 years experience in construction, remodeling, roofing, solar water heaters, solar pv systems, battery back-up systems and much more. See what Solar Wolf Energy can do for you!
Solar Wolf is a full service solar company with a great reputation and an old world belief to our customers. To under-promise and over-deliver, period. We have 18 years experience in construction, remodeling, roofing, solar water heaters, solar pv systems, battery back-up systems and much more. See what Solar Wolf Energy can do for you!
Greg's Draft Busters
Greg's Draft Busters
Home and Business infiltration and air quality specialist.
Home and Business infiltration and air quality specialist.
GreenTech Solutions
GreenTech Solutions
Energy efficiency professional. Expert in "Grid Neutral" and "Net Zero" homes.
Energy efficiency professional. Expert in "Grid Neutral" and "Net Zero" homes.
A V Energy & Associates
A V Energy & Associates
A V Energy & Associates is a nation wide company serving the greater Southern and Northern California,and the U.S..We provide complete and accurate Title 24 Energy reports for residental,commercial structures,also we offer ResCheck,ComCheck reports for 48 states.With over 20 years of environmental consulting experience AV Energy specializes in energy reports for the new green economy.We offer Free estimates and New Green Products to lower the energy cost to the consumer.Our website is www.avenergy-title24. We offer competetive pricing: Additions $ 75 Under 2500 $195 2501-3500 $ 270 3501-4500 $350 4501-5500 $425 5501-9000 $485 Call for Quote: 9000+, Multi-Family & Commercial **all prices based on sq. ft** We guarantee fast,accurate & reliable service that far exceeds our competitors. All reports are guaranteed. We are the BEST !!!
"BEWARE, DO NOT USE THEIR SERVICE. THEY WILL HOLD YOUR TITLE 24 REPORT HOSTAGE BECAUSE THEY REQUIRE A $45 FEE TO TRANSFER THE FILE THEY'VE CREATED, WHICH IS PART OF THEIR JOB AND SHOULD BE DONE FOR FREE. THEY ARE TRYING TO MAKE THEIR COST LOOK LOWER FOR GENERATING A REPORT THAT IS BASICALY USELESS BECAUSE THEY WILL NOT TRANSFER IT."
Michael B on February 2022
A V Energy & Associates is a nation wide company serving the greater Southern and Northern California,and the U.S..We provide complete and accurate Title 24 Energy reports for residental,commercial structures,also we offer ResCheck,ComCheck reports for 48 states.With over 20 years of environmental consulting experience AV Energy specializes in energy reports for the new green economy.We offer Free estimates and New Green Products to lower the energy cost to the consumer.Our website is www.avenergy-title24. We offer competetive pricing: Additions $ 75 Under 2500 $195 2501-3500 $ 270 3501-4500 $350 4501-5500 $425 5501-9000 $485 Call for Quote: 9000+, Multi-Family & Commercial **all prices based on sq. ft** We guarantee fast,accurate & reliable service that far exceeds our competitors. All reports are guaranteed. We are the BEST !!!
"BEWARE, DO NOT USE THEIR SERVICE. THEY WILL HOLD YOUR TITLE 24 REPORT HOSTAGE BECAUSE THEY REQUIRE A $45 FEE TO TRANSFER THE FILE THEY'VE CREATED, WHICH IS PART OF THEIR JOB AND SHOULD BE DONE FOR FREE. THEY ARE TRYING TO MAKE THEIR COST LOOK LOWER FOR GENERATING A REPORT THAT IS BASICALY USELESS BECAUSE THEY WILL NOT TRANSFER IT."
Michael B on February 2022
The Willows, CA 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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