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Verified Reviews for Energy Efficiency Auditing pros in Orange County, CA
*The Angi rating for Energy Efficiency Auditing companies in Orange County, 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 Orange County, 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 January 08, 2026
Find Energy efficiency auditors in Orange County

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

Trinity Heating and AC
Trinity Heating and AC
Trinity Heating and AC is so much more than another heating/AC company. We exceed our customer’s expectations and standards in a number of ways; such as arriving within the promised time frame or leave our work space cleaner then we found it! We provide custom solutions that take all factors into consideration so we can design a system that will meet the needs of your home and everyone in it! We offer so much more then just replacement of your existing system or installation of a new one. Do you have high utility bills when you are running the system, or someone’s allergies are aggravated when running the system? No matter what your need, if it has anything to do with HEATING, COOLING, AIR FLOW, or AIR QUALITY; TRINITY HEATING AND AC is ready to help!
"Chris was able to fix our ac unit, where my old account guy said we NEEDED to replace it!!! Plus Chris is very personable and I believe he is very honest and forthcoming as he could have sold us a new system, but found us a much cheaper option!!"
Sonja H on June 2025
Trinity Heating and AC is so much more than another heating/AC company. We exceed our customer’s expectations and standards in a number of ways; such as arriving within the promised time frame or leave our work space cleaner then we found it! We provide custom solutions that take all factors into consideration so we can design a system that will meet the needs of your home and everyone in it! We offer so much more then just replacement of your existing system or installation of a new one. Do you have high utility bills when you are running the system, or someone’s allergies are aggravated when running the system? No matter what your need, if it has anything to do with HEATING, COOLING, AIR FLOW, or AIR QUALITY; TRINITY HEATING AND AC is ready to help!
"Chris was able to fix our ac unit, where my old account guy said we NEEDED to replace it!!! Plus Chris is very personable and I believe he is very honest and forthcoming as he could have sold us a new system, but found us a much cheaper option!!"
Sonja H on June 2025

Morales Solar Efficiency
Morales Solar Efficiency
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

Isrey Home Inspection
Isrey Home Inspection
Isrey Home Inspection is dedicated to providing our customers with the best quality and craftsmanship. We are here to build relationships with our customers and communities and to provide our employees with a great place to work. We look forward to working with you!
Isrey Home Inspection is dedicated to providing our customers with the best quality and craftsmanship. We are here to build relationships with our customers and communities and to provide our employees with a great place to work. We look forward to working with you!
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.

JO Solar Designs
JO Solar Designs
JO Solar Designs 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.
JO Solar Designs 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.

Haven Air Conditioning
Haven Air Conditioning
Haven Air Conditioning provides high-quality repair, installation & maintenance services for heating, cooling, indoor air quality & HVAC zoning in Anaheim, CA. Their business is devoted to helping clients make their home a comfortable haven. Payment Methods: Cash, Check, Credit Cards, Financing
"My air conditioning is finally back on ? Julien who is the technician to fix my air conditioning today, he is so professional and knowledgeable. I decided to join membership with Haven Air to do maintenance for my unit. I strongly recommend their service if you ever need one and Price is also reasonable ."
Sally L on November 2021
Haven Air Conditioning provides high-quality repair, installation & maintenance services for heating, cooling, indoor air quality & HVAC zoning in Anaheim, CA. Their business is devoted to helping clients make their home a comfortable haven. Payment Methods: Cash, Check, Credit Cards, Financing
"My air conditioning is finally back on ? Julien who is the technician to fix my air conditioning today, he is so professional and knowledgeable. I decided to join membership with Haven Air to do maintenance for my unit. I strongly recommend their service if you ever need one and Price is also reasonable ."
Sally L on November 2021

E.Z. Energy Solutions
E.Z. Energy Solutions
One of Southern California's favorite Solar Energy Expert and Home Improvement/ Remodeling Contractor in Southern California! We provide you with clean, efficient and affordable solutions customized to your needs. Our highly skilled technicians will be with you throughout the entire process to help you secure your Energy Future and Home Remodeling dreams! When you decide to go solar or remodel part or all of your home or commercial project, you need a team you can trust to create top-quality work, with consistent communication and a great reputation E.Z. Energy Solutions has worked hard since our founding in 2008 to become the company we are today! Services include Solar Panels, Home Solar, Commercial Solar, Insulation, Solar Electric, Solar Panel Installation, Complete Residential and Commercial Remodeling, Kitchen Remodeling, Bathroom Remodeling, Custom Accessory Dwelling Unit, Garage Conversion and Addition, Room Addition, Interior and Exterior Paint, Roofing, Solar Panel Installation, Repair, Maintenance, Energy Efficiency Consultations and Products, AC;
"My panels haven’t work for the last 8 months And I’m paying for them and paying Edison for electricity., we all could have mistakes but I think 8 months is just ridiculous time very very frustrated I don’t know what to do anymore"
Oscar L on September 2022
One of Southern California's favorite Solar Energy Expert and Home Improvement/ Remodeling Contractor in Southern California! We provide you with clean, efficient and affordable solutions customized to your needs. Our highly skilled technicians will be with you throughout the entire process to help you secure your Energy Future and Home Remodeling dreams! When you decide to go solar or remodel part or all of your home or commercial project, you need a team you can trust to create top-quality work, with consistent communication and a great reputation E.Z. Energy Solutions has worked hard since our founding in 2008 to become the company we are today! Services include Solar Panels, Home Solar, Commercial Solar, Insulation, Solar Electric, Solar Panel Installation, Complete Residential and Commercial Remodeling, Kitchen Remodeling, Bathroom Remodeling, Custom Accessory Dwelling Unit, Garage Conversion and Addition, Room Addition, Interior and Exterior Paint, Roofing, Solar Panel Installation, Repair, Maintenance, Energy Efficiency Consultations and Products, AC;
"My panels haven’t work for the last 8 months And I’m paying for them and paying Edison for electricity., we all could have mistakes but I think 8 months is just ridiculous time very very frustrated I don’t know what to do anymore"
Oscar L on September 2022

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

HERS Rater LA/HouseSmart Green Solutions
HERS Rater LA/HouseSmart Green Solutions
HERS Rater LA provides quick, efficient and reasonably priced HERS (Home Energy Rating System [Title-24] field verifications for heating, ventilating and air conditioning (HVAC) systems in both residences and light commercial buildings. HERS Rater LA is certified to perform field verifications on new construction and additions. We also provide Air Balancing for new and redesigned duct systems in residential and commercial buildings.
"Dav is clearly an EXPERT in what he does. He imparted a TON of valuable information and knowledge to my husband and I both DURING our Home Energy Audit, as well as in the report which we opted to have him do. This information is going to be a superb guide as we prioritize & move forward with home improvement projects that will increase our home's efficiency, conserve energy, etc."
Dana B on May 2019
HERS Rater LA provides quick, efficient and reasonably priced HERS (Home Energy Rating System [Title-24] field verifications for heating, ventilating and air conditioning (HVAC) systems in both residences and light commercial buildings. HERS Rater LA is certified to perform field verifications on new construction and additions. We also provide Air Balancing for new and redesigned duct systems in residential and commercial buildings.
"Dav is clearly an EXPERT in what he does. He imparted a TON of valuable information and knowledge to my husband and I both DURING our Home Energy Audit, as well as in the report which we opted to have him do. This information is going to be a superb guide as we prioritize & move forward with home improvement projects that will increase our home's efficiency, conserve energy, etc."
Dana B on May 2019
The Orange County, 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.

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Saving energy with your windows is a great way to cut down expenses. Find out more about what energy-efficient windows are and things to consider before you buy them.

A green home inspection gives environmentally conscious buyers an overview of a home’s sustainability. Discover what inspectors look for in a green home.

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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- 🌱 "Mow a small front yard"
- 🛠 "Fix a leaking pipe under the sink"
- 🏠 "Repair shingles on an asphalt roof"







