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*The Angi rating for Energy Efficiency Auditing companies in Campo, 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 Campo, 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 13, 2025
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Home Inspections By Nelson Engineering, LLC
Home Inspections By Nelson Engineering, LLC
Home & Commercial Inspections By Nelson Engineering LLC is a home and commercial property inspection service located in the San Diego area. Tom Nelson is the founder of Nelson Engineering. I am an engineer, and I have 30 years experience as a general contractor. I have been in residential and commercial building construction, as well as environmental services. My long history of being involved in all different phases of construction for 30 years has given me extensive knowledge of construction methods used in buildings. I have been a general contractor for new construction projects, as well as many remodels. I have dealt with buildings built as early as the 1900's. Please note: We only do home and commercial building inspections. We do not perform structural engineering, or foundation repairs. We do not perform FHA mobile home foundation inspections which require a structural engineer.
"X"
pavan kumar p on January 2025
Home & Commercial Inspections By Nelson Engineering LLC is a home and commercial property inspection service located in the San Diego area. Tom Nelson is the founder of Nelson Engineering. I am an engineer, and I have 30 years experience as a general contractor. I have been in residential and commercial building construction, as well as environmental services. My long history of being involved in all different phases of construction for 30 years has given me extensive knowledge of construction methods used in buildings. I have been a general contractor for new construction projects, as well as many remodels. I have dealt with buildings built as early as the 1900's. Please note: We only do home and commercial building inspections. We do not perform structural engineering, or foundation repairs. We do not perform FHA mobile home foundation inspections which require a structural engineer.
"X"
pavan kumar p on January 2025

Prosper Construction Development, Inc.
Prosper Construction Development, Inc.
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 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!
"Fast response and clear communication throughout the process."
Marco T on April 2025
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 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!
"Fast response and clear communication throughout the process."
Marco T on April 2025

Elite Property Inspections - Unlicensed Contractor
Elite Property Inspections - Unlicensed Contractor
Home and Business Inspections with free estimates! Honest and guaranteed work, we pride ourselves with giving you the peace of mind of a well inspected home and business, anywhere in the San Diego County! We will do our very best to make you comfortable in your new home or office. Call us today! Under $500
"Did a good job, cleared the dryer vent in the attic....."
Miguel L on January 2024
Home and Business Inspections with free estimates! Honest and guaranteed work, we pride ourselves with giving you the peace of mind of a well inspected home and business, anywhere in the San Diego County! We will do our very best to make you comfortable in your new home or office. Call us today! Under $500
"Did a good job, cleared the dryer vent in the attic....."
Miguel L on January 2024

Morales Solar Efficiency - Unlicensed Contractor
Morales Solar Efficiency - Unlicensed Contractor
Morales Solar Efficiency is a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have over 12 years of hands on experience, to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with.
"excellent service very good price lower the price of what you paid for electricity Stephanie she nice and helpful"
Brenda C on August 2022
Morales Solar Efficiency is a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have over 12 years of hands on experience, to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with.
"excellent service very good price lower the price of what you paid for electricity Stephanie she nice and helpful"
Brenda C on August 2022
Solar Energy - Unlicensed Contractor
Solar Energy - Unlicensed Contractor
Empowered Solutions is 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.
Empowered Solutions is 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.

Sunlux Energy
Sunlux Energy
Sunlux is a roofing and solar energy provider servicing southern California that provides a variety of options in order to help you find what best fits your needs. We deliver the tools, support and advice you need to make going solar simple. We handle everything from paperwork to maintenance, so all you have to worry about is what to do with the savings. We guarantee installation, parts and maintenance for every job. Your satisfaction is our top priority and we’ll be here for you through every step of your solar and roofing journey. Ready to talk to our team? Please call us today!
"We were in the market for a solar system from a company that was reliable and we could trust. After doing lots of research we asked Sunlux to be our solar provider. They were very honest with their prices (they were on one of the lowest) and their customer service has been excellent? Since we did not know a lot about solar systems, they educated us to be smart consumers and gave us options and choices that met our needs. We can truly say, we are very happy with Sunlux and would recommend them to others as well."
Kevin B on February 2020
Sunlux is a roofing and solar energy provider servicing southern California that provides a variety of options in order to help you find what best fits your needs. We deliver the tools, support and advice you need to make going solar simple. We handle everything from paperwork to maintenance, so all you have to worry about is what to do with the savings. We guarantee installation, parts and maintenance for every job. Your satisfaction is our top priority and we’ll be here for you through every step of your solar and roofing journey. Ready to talk to our team? Please call us today!
"We were in the market for a solar system from a company that was reliable and we could trust. After doing lots of research we asked Sunlux to be our solar provider. They were very honest with their prices (they were on one of the lowest) and their customer service has been excellent? Since we did not know a lot about solar systems, they educated us to be smart consumers and gave us options and choices that met our needs. We can truly say, we are very happy with Sunlux and would recommend them to others as well."
Kevin B on February 2020

Guthrie & Sons Heating, Air, & Solar
Guthrie & Sons Heating, Air, & Solar
With over 60 years expertise in the trade we have become experts in communication and delivering an exceptional customer service experience. We have installed, serviced, maintained and designed thousands of comfort systems through out San Diego and Temecula Valley. We offer exceptional design and installation consults that are directly backed by superior engineering, customer service and highly skilled technicians. We have spent countless hours training our employees on what we call the "Guthrie Way" and to stay away from bad industry practices that seem to loom out there. Whether you need a furnace or air conditioner repaired, serviced or a quote for a new system, you can be assured that our highly trained team will not let you down. Matthew J. Guthrie
"Guthrie replaced my heating and air conditioning units in the past. Excellent work with very fair prices. Now they come twice yearly to do a tune up, replacing filters,etc. Their staff are knowledgeable and professional. They arrive on time, get the work done and always leave a clean workspace. Excellent service. Thank you!"
Collette F on June 2019
With over 60 years expertise in the trade we have become experts in communication and delivering an exceptional customer service experience. We have installed, serviced, maintained and designed thousands of comfort systems through out San Diego and Temecula Valley. We offer exceptional design and installation consults that are directly backed by superior engineering, customer service and highly skilled technicians. We have spent countless hours training our employees on what we call the "Guthrie Way" and to stay away from bad industry practices that seem to loom out there. Whether you need a furnace or air conditioner repaired, serviced or a quote for a new system, you can be assured that our highly trained team will not let you down. Matthew J. Guthrie
"Guthrie replaced my heating and air conditioning units in the past. Excellent work with very fair prices. Now they come twice yearly to do a tune up, replacing filters,etc. Their staff are knowledgeable and professional. They arrive on time, get the work done and always leave a clean workspace. Excellent service. Thank you!"
Collette F 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

Inspection Perfection
Inspection Perfection
At Inspection Perfection, we are committed to home inspections with perfection. Experience, confidence and security in our home inspectors to professionally respond to your needs for a comprehensive inspection. Our response starts with that first call (or email)… and never stops. From our flexible scheduling to our superior home inspection reports delivered to you promptly. We're professionally trained with continuous ongoing training and actively monitor all aspects to owning a home. When time is of the essence, you’ll find Inspection Perfection a reliable partner to the ever-demanding process of buying a home.
At Inspection Perfection, we are committed to home inspections with perfection. Experience, confidence and security in our home inspectors to professionally respond to your needs for a comprehensive inspection. Our response starts with that first call (or email)… and never stops. From our flexible scheduling to our superior home inspection reports delivered to you promptly. We're professionally trained with continuous ongoing training and actively monitor all aspects to owning a home. When time is of the essence, you’ll find Inspection Perfection a reliable partner to the ever-demanding process of buying a home.

McMaster Heating & Air Conditioning, Inc.
McMaster Heating & Air Conditioning, Inc.
McMaster Heating & Air Conditioning, Inc. is a Factory Authorized and President's Award Winner for Carrier. We have trained and certified technicians and employees. We offer 100% Satisfaction Guaranteed or your money back! We currently have 12 Employees. We only use subcontractors for Asbestos Removal, other than that we do all of our own installations. We are a licensed HVAC contractor license #726607. We do not have trip charges and we have a diagnostic fee of $139.00 to determine the problem of your system and will give you a flat rate price for repairs after that. We offer free estimates for equipment replacements and take a lot of pride in our installations, as if these were done in our own home. It is not easy to become a Factory Authorized and President's Award Winner from Carrier so we have worked really hard to get where we are and our Customers are the most to thank for that. Most of our business has been from Customer Referrals.
"I met with 5 companies, was most impressed with McMaster, and am happy I chose them. I don't use heating/AC much, so was looking for a basic replacement system. Ron, the owner, still conducted a thorough assessment, answered all my many questions, recommended solutions to concerns that other companies ignored, followed up with a written proposal to address my needs, and promptly responded to final questions via email and second visit. I was equally impressed with the efficiency and professionalism of the office staff, installation/service team, and how I was guided through the HERS efficiency test and city inspection. They made everything very easy and worry-free, and all at a very competitive price. I also plan to sign up for their annual ongoing maintenance program."
Terry R on January 2018
McMaster Heating & Air Conditioning, Inc. is a Factory Authorized and President's Award Winner for Carrier. We have trained and certified technicians and employees. We offer 100% Satisfaction Guaranteed or your money back! We currently have 12 Employees. We only use subcontractors for Asbestos Removal, other than that we do all of our own installations. We are a licensed HVAC contractor license #726607. We do not have trip charges and we have a diagnostic fee of $139.00 to determine the problem of your system and will give you a flat rate price for repairs after that. We offer free estimates for equipment replacements and take a lot of pride in our installations, as if these were done in our own home. It is not easy to become a Factory Authorized and President's Award Winner from Carrier so we have worked really hard to get where we are and our Customers are the most to thank for that. Most of our business has been from Customer Referrals.
"I met with 5 companies, was most impressed with McMaster, and am happy I chose them. I don't use heating/AC much, so was looking for a basic replacement system. Ron, the owner, still conducted a thorough assessment, answered all my many questions, recommended solutions to concerns that other companies ignored, followed up with a written proposal to address my needs, and promptly responded to final questions via email and second visit. I was equally impressed with the efficiency and professionalism of the office staff, installation/service team, and how I was guided through the HERS efficiency test and city inspection. They made everything very easy and worry-free, and all at a very competitive price. I also plan to sign up for their annual ongoing maintenance program."
Terry R on January 2018
FAQs for energy efficiency auditing projects in Campo, CA
An energy audit costs about $420 on average, ranging from $100 to $2,250, depending on the size of your home, property, location, and the tests the auditor needs to perform. Keep in mind that the 2022 Inflation Reduction Act’s Energy Efficient Home Improvement credit covers up to $150 of home energy audit costs. Common energy audit tests include:
Blower door test: $350
Duct testing: $100
HERS test: $375
HERS certification: $200
Infrared imaging: $200
The difference between an energy auditor and a home inspector is primarily in the purpose of the inspection. The energy auditor conducts tests in your home to determine the energy efficiency levels in areas like windows, insulation, and doorways. The auditor then makes recommendations for ways to improve a home’s energy efficiency.
A home inspector examines various structures of your home to determine that everything is up to code and gauge the condition of features like the roof, foundation, HVAC, and electrical. The home inspector reports on the overall home and makes repair recommendations.
Typically, a local home energy auditor is responsible for performing energy audits. A home energy auditor will conduct one of three energy audits designed by the American Society of Heating, Refrigerating, and Air-Conditioning Engineers (ASHRAE) to determine the energy efficiency of your home. The auditor often provides analysis that can help guide changes and improvements to your home for better energy efficiency, giving recommendations as necessary.
The three levels of home energy audits include:
Level 1: Review of your energy bills and home for signs of energy inefficiency and areas for improvement. The average cost range is $0.08 to $0.12 per square foot.
Level 2: A level 2 ASHRAE energy audit costs $0.12 and $0.35 per square foot. In-depth analysis of your energy usage and provides a report of cost-saving changes.
Level 3: Comprehensive analysis and detailed recommendations for ways to improve your home’s energy efficiency. A level 3 audit costs about $0.36 to $0.50 per square foot.
To find a reputable energy auditor, find a local company that offers energy audit services. Research the company’s reviews, methods, and certifications to find a reliable professional in your area. The most reputable energy audit companies are HEP-certified by the Building Performance Institute (BPI). Be sure to check our state licensing tool to review the local energy auditor guidelines to ensure you’re hiring a certified professional.
The Campo, 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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