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Verified Reviews for Energy Efficiency Auditing pros in Pioneer, CA
*The Angi rating for Energy Efficiency Auditing companies in Pioneer, 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 Pioneer, 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 15, 2025
Find Energy efficiency auditors in Pioneer

Apollo Energies
Apollo Energies
We are independent energy consultants who reduced our own energy use and saved several hundreds of dollars monthly on our utility bill and made our homes more comfortable and now are helping others achieve similar results. We are not contractors. We do not get paid based on the recommendations we make or the recommendations you choose to do. We want to provide you with what you need to do, explain why you need to do it so that you have all the information you need to make an informed decision. Once you've made the decision on what you want to do, after having all the information necessary to make an informed decision, we will help you implement your decision. We have vetted many home performance contractors and we know they will do the quality work you want and deserve. There are PGE rebates available and financing available that we will show you how to leverage to your advantage. So give us a try. You'll be glad you did.
"Apollo did a fine job assessing my townhomes energy needs. The energy report covered what I needed."
Motiejus R on June 2019
We are independent energy consultants who reduced our own energy use and saved several hundreds of dollars monthly on our utility bill and made our homes more comfortable and now are helping others achieve similar results. We are not contractors. We do not get paid based on the recommendations we make or the recommendations you choose to do. We want to provide you with what you need to do, explain why you need to do it so that you have all the information you need to make an informed decision. Once you've made the decision on what you want to do, after having all the information necessary to make an informed decision, we will help you implement your decision. We have vetted many home performance contractors and we know they will do the quality work you want and deserve. There are PGE rebates available and financing available that we will show you how to leverage to your advantage. So give us a try. You'll be glad you did.
"Apollo did a fine job assessing my townhomes energy needs. The energy report covered what I needed."
Motiejus R on June 2019

Landmark Energy Upgrades
Landmark Energy Upgrades
Whether your project is a new construction, custom built home, an existing remodel, or an energy efficient upgrade, Landmark Construction has the industry experience and skilled staff to make your construction project a success. Our goal is to save you money through energy-efficient construction. Landmark Construction is California’s premier Air-Conditioning Contractor and Heating Contractor. Along with HVAC contracting we can better regulate your home’s temperature with new insulation and a new roof. Landmark Construction doesn’t stop at just energy upgrades. When it comes to renovations of existing homes, we pride ourselves in the ability to maintain your home’s charm and style with solutions for every kind of interior need from tile, drywall accents and wainscoting detail, cabinetry and countertop selection, to redesigning entire interior floor plans. Our network of interior designers can help you get just the look you envisioned from your remodeling or new construction project. We proudly serve Southern California including Bel Air, San Marino, Malibu, Calabasas, Beverly Hills, Century City, Encino, Brentwood and everywhere in between! When clients want to build it strong, build it beautiful, they build it Landmark! Do not hesitate to contact us regarding your next general construction project in Southern California. We look forward to providing you with a free, no obligation consultation today!
"Ezra and Charles are very friendly and personable. That is, when they want to take your money. What good is a 12-year warranty if you start ignoring your customers at 2 years. I needed my HVAC replaced. Because the HVAC sits on my roof, I decided to redo the roof too. Ezra and Charles came out and were really friendly so I immediately had a good impression of them. Even though it would’ve been cheaper to go with a roofer and a separate HVAC company, I decided to go with Landmark Construction Crew, aka Landmark Energy Upgrades. I figured it would be a more seamless process for one company to do both. I got this done in December of 2016. The thing with a roof is that you don’t know if it’s a good job or not until it rains so I waited to write a review. Around January 2018 ( a little over a year later ) we got some much needed rain but unfortunately, I had a leak coming from one of my vents. I emailed Ezra and he sent out a roofer. The roofer came, looked at the vent, jumped up on the roof for ten minutes and said he was done. Months later, it rained again, it leaked again, I emailed Ezra again. I decided to take a closer look at the vent and noticed that there was sunlight in the ductwork. I figured sunlight equals gap somewhere. When the roofer came, I told him and he said it’s nothing, probably just a reflection, without even taking a look. Then the roofer tells me that the next time there is a leak, I need to call the HVAC guy because it’s not a roof problem. I couldn’t believe it so I told him that HIS company IS the HVAC guy!! I used one company to do the roof and the HVAC so there is NOBODY else to blame. So, he jumps back on the roof and was done and gone in 10 minutes. About a month goes by and the rain is back and so is my leak. It’s 2019 so it rained a lot this year. Good for California, bad for me. So, I emailed Ezra again. After a few weeks, no reply. So, I email him again with pictures, a few more weeks go by and no reply. So, I call him and he picked up the phone. He sounded surprised to hear from me (probably didn’t recognize my phone number) and I start telling him about the leak. He said he didn’t get my emails but just text him my address and he’ll send somebody. A couple of weeks goes by and nothing. So, I text him again and after weeks and weeks of waiting, no reply. I’ve emailed, called, and texted so, at this point, it’s very obvious he’s avoiding me. If you are looking for a friendly company that is willing to take your hard-earned cash then Landmark is for you. But if you’re looking for a company that is accountable for their work then look elsewhere. I know I am."
Tony T on March 2019
Whether your project is a new construction, custom built home, an existing remodel, or an energy efficient upgrade, Landmark Construction has the industry experience and skilled staff to make your construction project a success. Our goal is to save you money through energy-efficient construction. Landmark Construction is California’s premier Air-Conditioning Contractor and Heating Contractor. Along with HVAC contracting we can better regulate your home’s temperature with new insulation and a new roof. Landmark Construction doesn’t stop at just energy upgrades. When it comes to renovations of existing homes, we pride ourselves in the ability to maintain your home’s charm and style with solutions for every kind of interior need from tile, drywall accents and wainscoting detail, cabinetry and countertop selection, to redesigning entire interior floor plans. Our network of interior designers can help you get just the look you envisioned from your remodeling or new construction project. We proudly serve Southern California including Bel Air, San Marino, Malibu, Calabasas, Beverly Hills, Century City, Encino, Brentwood and everywhere in between! When clients want to build it strong, build it beautiful, they build it Landmark! Do not hesitate to contact us regarding your next general construction project in Southern California. We look forward to providing you with a free, no obligation consultation today!
"Ezra and Charles are very friendly and personable. That is, when they want to take your money. What good is a 12-year warranty if you start ignoring your customers at 2 years. I needed my HVAC replaced. Because the HVAC sits on my roof, I decided to redo the roof too. Ezra and Charles came out and were really friendly so I immediately had a good impression of them. Even though it would’ve been cheaper to go with a roofer and a separate HVAC company, I decided to go with Landmark Construction Crew, aka Landmark Energy Upgrades. I figured it would be a more seamless process for one company to do both. I got this done in December of 2016. The thing with a roof is that you don’t know if it’s a good job or not until it rains so I waited to write a review. Around January 2018 ( a little over a year later ) we got some much needed rain but unfortunately, I had a leak coming from one of my vents. I emailed Ezra and he sent out a roofer. The roofer came, looked at the vent, jumped up on the roof for ten minutes and said he was done. Months later, it rained again, it leaked again, I emailed Ezra again. I decided to take a closer look at the vent and noticed that there was sunlight in the ductwork. I figured sunlight equals gap somewhere. When the roofer came, I told him and he said it’s nothing, probably just a reflection, without even taking a look. Then the roofer tells me that the next time there is a leak, I need to call the HVAC guy because it’s not a roof problem. I couldn’t believe it so I told him that HIS company IS the HVAC guy!! I used one company to do the roof and the HVAC so there is NOBODY else to blame. So, he jumps back on the roof and was done and gone in 10 minutes. About a month goes by and the rain is back and so is my leak. It’s 2019 so it rained a lot this year. Good for California, bad for me. So, I emailed Ezra again. After a few weeks, no reply. So, I email him again with pictures, a few more weeks go by and no reply. So, I call him and he picked up the phone. He sounded surprised to hear from me (probably didn’t recognize my phone number) and I start telling him about the leak. He said he didn’t get my emails but just text him my address and he’ll send somebody. A couple of weeks goes by and nothing. So, I text him again and after weeks and weeks of waiting, no reply. I’ve emailed, called, and texted so, at this point, it’s very obvious he’s avoiding me. If you are looking for a friendly company that is willing to take your hard-earned cash then Landmark is for you. But if you’re looking for a company that is accountable for their work then look elsewhere. I know I am."
Tony T on March 2019

Gilmore Heating & Air
Gilmore Heating & Air
Gotcha covered. It’s all about trust. Most homeowners want someone they can turn to who truly has their best interests in mind. It’s important to know we will care for your home and your family as if they were our very own. That’s our core philosophy and the way we run our entire company. That’s the Gilmore difference. We’re a full-service air conditioning, heating and solar contracting company with sterling reputation for providing customers with excellent service throughout greater Sacramento, Placerville, Jackson and Auburn. For more than 30 years, homeowners and business owners have depended on our certified technicians to service and install complete heating, air conditioning and solar systems. Just as important, our customers greatly appreciate our family style approach to doing business—we take excellent care of clients and keep our promises. This commitment to service is the foundation of our company. We only use the state-of-the-art technology to diagnose and repair existing systems—plus utilize the best new installation equipment in the industry. We repair all brands of central air conditioning and heating systems. And we offer scheduled service checks to ensure that your systems run smoothly. Trust your heating and cooling to a company with a whole family of happy clients. Join the Gilmore family of satisfied customers.Red Carpet Care for your Heating and Air! Year Founded 1979 Professional Associations EGIA, Energy Upgrade California, Energy Star, BBB Products Heating and Air Conditioning, All Brands, Solar Specialties Servicing and Sales of Heating Air Conditioning & Solar Products
"Excellent service"
Andrew G on May 2020
Gotcha covered. It’s all about trust. Most homeowners want someone they can turn to who truly has their best interests in mind. It’s important to know we will care for your home and your family as if they were our very own. That’s our core philosophy and the way we run our entire company. That’s the Gilmore difference. We’re a full-service air conditioning, heating and solar contracting company with sterling reputation for providing customers with excellent service throughout greater Sacramento, Placerville, Jackson and Auburn. For more than 30 years, homeowners and business owners have depended on our certified technicians to service and install complete heating, air conditioning and solar systems. Just as important, our customers greatly appreciate our family style approach to doing business—we take excellent care of clients and keep our promises. This commitment to service is the foundation of our company. We only use the state-of-the-art technology to diagnose and repair existing systems—plus utilize the best new installation equipment in the industry. We repair all brands of central air conditioning and heating systems. And we offer scheduled service checks to ensure that your systems run smoothly. Trust your heating and cooling to a company with a whole family of happy clients. Join the Gilmore family of satisfied customers.Red Carpet Care for your Heating and Air! Year Founded 1979 Professional Associations EGIA, Energy Upgrade California, Energy Star, BBB Products Heating and Air Conditioning, All Brands, Solar Specialties Servicing and Sales of Heating Air Conditioning & Solar Products
"Excellent service"
Andrew G on May 2020

Sunrun
Sunrun
Sunrun is leading the charge to create a planet run by the sun. We are building a more sustainable world, by making solar simple for over 200,000 customer's in 23 different states!
"Sunrun installed a bad roof on my house. After many months of emails and phone calls, they never sent out a repair man. Finally, under duress, I signed a form from Sunrun to use my own contractor. I signed under duress because they said they couldn't get a repair man and that this was the only way I could get my roof repaired, and there were driving rains. I told I didn't want to be personally responsible, and that's only thing I asked. But after the contractor fixed the leaks, there was more hidden damage that emerged and more leaks. They told me they won't fix the roof. The bad roof they installed was so bad that one company wanted to charge me $23,000 to fix it. He said the roof was so bad that really it should be replaced. And boy, when he looked at it, he sneered in disgust. Why did they not simply repair the roof after the first phone call. Eventually, they sent me an email with lies, such as "since the roof no longer has a running leak, Sunrun is not responsible for a repair." A blatant lie. I assumed this was an underhanded tactic written by a lawyer to fool the court in the event of a lawsuit. I thought Sunrun was a legitimate company. Even the Sunrun claims manager apologized to me for my treatment, and she said the higher ups were orchestrating everything. She seemed to be trapped in an immoral circumstance because the bosses simply wanted to get out of paying for that roof at all costs. Even from the beginning, they continually tried to get me to "work " with their contractor. They said they couldn't find the contractor and only that particular contractor could fix the roof. Why were they telling me all this. I told Sunrun, that I purchased the roof from them and to leave me out of such conversations. I truly feel this matter is about greed and avoiding the cost of their damage. They have a lot excuses, but I felt from the beginning, everything was a dodge or a put off. It's been two years and my roof still leaks. This is so cruel. I'm a senior citizen. The stress has been affecting my health and making me I'll."
Sean M on August 2024
Sunrun is leading the charge to create a planet run by the sun. We are building a more sustainable world, by making solar simple for over 200,000 customer's in 23 different states!
"Sunrun installed a bad roof on my house. After many months of emails and phone calls, they never sent out a repair man. Finally, under duress, I signed a form from Sunrun to use my own contractor. I signed under duress because they said they couldn't get a repair man and that this was the only way I could get my roof repaired, and there were driving rains. I told I didn't want to be personally responsible, and that's only thing I asked. But after the contractor fixed the leaks, there was more hidden damage that emerged and more leaks. They told me they won't fix the roof. The bad roof they installed was so bad that one company wanted to charge me $23,000 to fix it. He said the roof was so bad that really it should be replaced. And boy, when he looked at it, he sneered in disgust. Why did they not simply repair the roof after the first phone call. Eventually, they sent me an email with lies, such as "since the roof no longer has a running leak, Sunrun is not responsible for a repair." A blatant lie. I assumed this was an underhanded tactic written by a lawyer to fool the court in the event of a lawsuit. I thought Sunrun was a legitimate company. Even the Sunrun claims manager apologized to me for my treatment, and she said the higher ups were orchestrating everything. She seemed to be trapped in an immoral circumstance because the bosses simply wanted to get out of paying for that roof at all costs. Even from the beginning, they continually tried to get me to "work " with their contractor. They said they couldn't find the contractor and only that particular contractor could fix the roof. Why were they telling me all this. I told Sunrun, that I purchased the roof from them and to leave me out of such conversations. I truly feel this matter is about greed and avoiding the cost of their damage. They have a lot excuses, but I felt from the beginning, everything was a dodge or a put off. It's been two years and my roof still leaks. This is so cruel. I'm a senior citizen. The stress has been affecting my health and making me I'll."
Sean M on August 2024

Verengo Solar
Verengo Solar
VERENGO SOLAR is changing the way America thinks about solar! As the nation’s #1 residential solar specialist, Verengo offers comprehensive financial options, superior customer service, and consistently earns an A+ with the Better Business Bureau. Verengo has reduced carbon emissions through its solar power systems, accomplishing the equivalent of planting 360,000 acres of trees, taking more than 144,000 cars off the road and saving homeowners $300 million in energy costs over the lifetime of Verengo's installed systems to date. For a Free No Obligation Quote, call 888-536-8125. Save thousands!
VERENGO SOLAR is changing the way America thinks about solar! As the nation’s #1 residential solar specialist, Verengo offers comprehensive financial options, superior customer service, and consistently earns an A+ with the Better Business Bureau. Verengo has reduced carbon emissions through its solar power systems, accomplishing the equivalent of planting 360,000 acres of trees, taking more than 144,000 cars off the road and saving homeowners $300 million in energy costs over the lifetime of Verengo's installed systems to date. For a Free No Obligation Quote, call 888-536-8125. Save thousands!

ABK Electric
ABK Electric
We are an electrical contracting company, for residential and commercial jobs, with over 16 years of experience. We service every aspect of electrical, with our primary focus to get electrical standards back to code. We pride ourselves on getting the job done right the first time. With honesty and integrity, we love what we do! Here at ABK Electric nothing goes to waste. We recycle all old material and store or donate anything we don't use. We treat your home/office as if it were our own and teach the willing. Your satisfaction is always guaranteed! To prove we complete our work to code, we give you a 5 year labor warranty. And back up any hiccup you may incur. We reward for referrals! If a new client pays for our service, and mentions your name, we pay you up to $250 a referral.
We are an electrical contracting company, for residential and commercial jobs, with over 16 years of experience. We service every aspect of electrical, with our primary focus to get electrical standards back to code. We pride ourselves on getting the job done right the first time. With honesty and integrity, we love what we do! Here at ABK Electric nothing goes to waste. We recycle all old material and store or donate anything we don't use. We treat your home/office as if it were our own and teach the willing. Your satisfaction is always guaranteed! To prove we complete our work to code, we give you a 5 year labor warranty. And back up any hiccup you may incur. We reward for referrals! If a new client pays for our service, and mentions your name, we pay you up to $250 a referral.

Liberty Solar
Liberty Solar
Liberty Solar designs, engineers, and installs Advanced Renewable Energy Systems. We do NOT use sub-contractors. We take great pride in our work and we install only the best American-made equipment and the best prices. We have many financing options available.
Liberty Solar designs, engineers, and installs Advanced Renewable Energy Systems. We do NOT use sub-contractors. We take great pride in our work and we install only the best American-made equipment and the best prices. We have many financing options available.
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!
Pencil Calcs
Pencil Calcs
Pencil Calcs is a family owned and operated business. We are tucked away into the Frazier Mountain community.
Pencil Calcs is a family owned and operated business. We are tucked away into the Frazier Mountain community.
The Pioneer, 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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