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Verified Reviews for Energy Efficiency Auditing pros in Firestone, CO
*The Angi rating for Energy Efficiency Auditing companies in Firestone, CO 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 Firestone, CO 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 06, 2026
Find Energy efficiency auditors in Firestone

REenergizeCO, Inc.
REenergizeCO, Inc.
REenergizeCO is an approved contractor through Xcel Energy and Efficiency Works that specializes in home energy audits and insulation upgrades that improve the quality and efficiency of existing residential homes along the front range. Properly installed insulation in the attic, walls, crawl space, garage, basement, and air sealing are a few of the services offered. Reach out to schedule an energy audit or a free estimate with one of our BPI-certified technicians.
"The inspection went well. It's after the inspection that is terrible. Telling me that I need these things done to improve the then charging an astronomical amount of money. I was willing to do some of the work. Sent a list of what I would like done and got a new estimate, with virtually had the same as the first. Only change was to eliminate some insulation. I believe they try to put one over on people."
Todd S on December 2024
REenergizeCO is an approved contractor through Xcel Energy and Efficiency Works that specializes in home energy audits and insulation upgrades that improve the quality and efficiency of existing residential homes along the front range. Properly installed insulation in the attic, walls, crawl space, garage, basement, and air sealing are a few of the services offered. Reach out to schedule an energy audit or a free estimate with one of our BPI-certified technicians.
"The inspection went well. It's after the inspection that is terrible. Telling me that I need these things done to improve the then charging an astronomical amount of money. I was willing to do some of the work. Sent a list of what I would like done and got a new estimate, with virtually had the same as the first. Only change was to eliminate some insulation. I believe they try to put one over on people."
Todd S on December 2024
AtticWise, Inc.
AtticWise, Inc.
We at AtticWise? take pride in our reliability, integrity and the quality of our work. We specialize in comprehensive home insulation needs offering the products and services of eShield? - an industry leader in reflective insulation - and Johns Manville? - provider of the utmost quality blown-in insulation. We make it a point to provide the highest level of customer service with both residential and commercial clients and apply the same attention to detail regardless of project size or complexity. We look forward to earning your business!
We at AtticWise? take pride in our reliability, integrity and the quality of our work. We specialize in comprehensive home insulation needs offering the products and services of eShield? - an industry leader in reflective insulation - and Johns Manville? - provider of the utmost quality blown-in insulation. We make it a point to provide the highest level of customer service with both residential and commercial clients and apply the same attention to detail regardless of project size or complexity. We look forward to earning your business!
Bestway Insulation, LLC
Bestway Insulation, LLC
Home Pro of the Year in 2010 (Service Magic)Home Performance Contractor of the Year for the last 8 out of 10 years. We are a company that specializes in re-insulating existing homes by using blown-in insulation and getting huge reductions on our customers energy bills by Air Sealing and compressing fiberglass or rockwool in the walls and Dense packing it tight.Where most companies are happy getting 10%energy reductions on their clients homes, we want 50% or higher. Our family has owned and operated Bestway Insulation, LLC, in Colorado since 1976. Born & raised CO. Top Rebate producer for air sealing in 2009 - 2021. Home Performance with energy star Contractor of the year 21 out of 23 Years starting with NREL when they were doing it in 1996. I want huge results for my clients.
Home Pro of the Year in 2010 (Service Magic)Home Performance Contractor of the Year for the last 8 out of 10 years. We are a company that specializes in re-insulating existing homes by using blown-in insulation and getting huge reductions on our customers energy bills by Air Sealing and compressing fiberglass or rockwool in the walls and Dense packing it tight.Where most companies are happy getting 10%energy reductions on their clients homes, we want 50% or higher. Our family has owned and operated Bestway Insulation, LLC, in Colorado since 1976. Born & raised CO. Top Rebate producer for air sealing in 2009 - 2021. Home Performance with energy star Contractor of the year 21 out of 23 Years starting with NREL when they were doing it in 1996. I want huge results for my clients.

DMC Services
DMC Services
Multiple Angieslist Super Service Award Winner. Family owned and operated Business since 2001. Over 25yrs in the HVAC Industry. NATE and EPA Trained Employees. Excel Energy Contractor. Authorized RHEEM Pro Partner Contractor. BBB + Accredited. Full Service Repair/Replacement on all Air Conditioning and Furnaces, Evaporative Coolers, H20 Heaters. Service all major brands. Also install full line of Aprilaire indoor air quality products. Electronic air cleaners, humidifiers. Light commercial work, and Full preventative maintenance contracts. Also install whole house attic fans, roof vents, ceiling fans. Plumbing, Electrical, fireplace service.
"Overall, just a great experience. I had a new air conditioner installed. Les was incredibly knowledgeable and answered all of my questions as well as providing information to care for the air conditioner. He even fixed issues on my furnace from the previous installers shoddy work at no charge. I highly recommend using DMC Services for your HVAC needs."
John C on June 2023
Multiple Angieslist Super Service Award Winner. Family owned and operated Business since 2001. Over 25yrs in the HVAC Industry. NATE and EPA Trained Employees. Excel Energy Contractor. Authorized RHEEM Pro Partner Contractor. BBB + Accredited. Full Service Repair/Replacement on all Air Conditioning and Furnaces, Evaporative Coolers, H20 Heaters. Service all major brands. Also install full line of Aprilaire indoor air quality products. Electronic air cleaners, humidifiers. Light commercial work, and Full preventative maintenance contracts. Also install whole house attic fans, roof vents, ceiling fans. Plumbing, Electrical, fireplace service.
"Overall, just a great experience. I had a new air conditioner installed. Les was incredibly knowledgeable and answered all of my questions as well as providing information to care for the air conditioner. He even fixed issues on my furnace from the previous installers shoddy work at no charge. I highly recommend using DMC Services for your HVAC needs."
John C on June 2023

Colorado Home Services
Colorado Home Services
CHS is a local, veteran-owned licensed electrical contractor that provides full residential electrical services with deep expertise in whole house fans, attic fans and ventilation, sun tunnels and skylights. We have been providing the most environmentally friendly, cost-effective and energy-efficient home cooling and daylighting solutions in Colorado since 2003. We pride ourselves on delivering an un-matched customer service experience. From pricing to install, our team is dedicated to earning your trust and finding the best home cooling and daylighting solutions for your home, no matter what! Offering industry-leading brands and a wide range of products suited for any home, we are Colorado's premier home electrical, cooling and daylighting provider.
"When it comes to home services, CHC sets the bar exceedingly high. They installed a whole house fan that dramatically reduced the amount I need to run my AC. They were on time, professional, and completed the install faster than expected (~3.5 hours). They cleaned up after and took some time to train me on the many ways I could use the fan to save energy and improve comfort in my home, some of which I wouldn't have thought of. In an industry where low expectations seems to be the norm, to say that CHC exceeds expectations is an understatement."
Tyler N on September 2022
CHS is a local, veteran-owned licensed electrical contractor that provides full residential electrical services with deep expertise in whole house fans, attic fans and ventilation, sun tunnels and skylights. We have been providing the most environmentally friendly, cost-effective and energy-efficient home cooling and daylighting solutions in Colorado since 2003. We pride ourselves on delivering an un-matched customer service experience. From pricing to install, our team is dedicated to earning your trust and finding the best home cooling and daylighting solutions for your home, no matter what! Offering industry-leading brands and a wide range of products suited for any home, we are Colorado's premier home electrical, cooling and daylighting provider.
"When it comes to home services, CHC sets the bar exceedingly high. They installed a whole house fan that dramatically reduced the amount I need to run my AC. They were on time, professional, and completed the install faster than expected (~3.5 hours). They cleaned up after and took some time to train me on the many ways I could use the fan to save energy and improve comfort in my home, some of which I wouldn't have thought of. In an industry where low expectations seems to be the norm, to say that CHC exceeds expectations is an understatement."
Tyler N on September 2022

Scott Home Inspection LLC
Scott Home Inspection LLC
Professional home inspection company serving the northern Colorado area including Larimer, Weld, Boulder, Adams, Broomfield, Jefferson and Denver counties. All inspections conducted according to American Society of Home Inspectors (ASHI) Standards-of-Practice & Code-of-Ethics. Certified Radon & Mold testing. On-line Scheduling of Inspections. On-site generation & printing of Inspection Report Summary. Internet access to Full Inspection Report. Why Scott Home Inspection? 15+ years experience in residential remodeling & electrical engineering project management. Candidate Member with ASHI - the most respected home inspection organization in North America. E&O Insurance Coverage + General Liability Insurance. Graduate ASHI Home Inspector Training Program. On-line, Real-Time Scheduling of Inspections. Web-based Inspection Report & Email Notification.
"Great service and attention to detail."
Jonny R on November 2019
Professional home inspection company serving the northern Colorado area including Larimer, Weld, Boulder, Adams, Broomfield, Jefferson and Denver counties. All inspections conducted according to American Society of Home Inspectors (ASHI) Standards-of-Practice & Code-of-Ethics. Certified Radon & Mold testing. On-line Scheduling of Inspections. On-site generation & printing of Inspection Report Summary. Internet access to Full Inspection Report. Why Scott Home Inspection? 15+ years experience in residential remodeling & electrical engineering project management. Candidate Member with ASHI - the most respected home inspection organization in North America. E&O Insurance Coverage + General Liability Insurance. Graduate ASHI Home Inspector Training Program. On-line, Real-Time Scheduling of Inspections. Web-based Inspection Report & Email Notification.
"Great service and attention to detail."
Jonny R on November 2019

Key Heating & Air dba Oneguy Heating & Cooling
Key Heating & Air dba Oneguy Heating & Cooling
Your Heating & Air Conditioning Service Expert for over 20 years! As much as half of the energy used in your home goes to heating and cooling system. Making educated decisions about your home’s heating, ventilating, and air conditioning (HVAC) system can have a big effect on your utility bills — and your comfort. If your heating or air conditioning system is more than 10 years old, consider having them evaluated by the HVAC expert of Oneguy . We are an army of 4. I am a small company offering a higher quality installation of high efficiency equipment and system design in new custom homes or fixing all the trax homes that will not heat or cool with an Arzel wholehouse zoning system. A perfect solution for your basement finish project that will fix all your problems on the upper floors. Oneguy does not use sub-contractors unless it is a lic. plumber, electrician, to do any work out of my field to complete the job. I am lic. in Denver and most all metro cities and carry 2 million liability insurance. As an American Standard Dealer, I can provide you with the best furnaces and air conditioning units on the market as listed by consumer reports and consumer digest. You can look that up on thier web sites. Call Oneguy where quality takes priority 720-560-7100
"Excellent. Very professional, Final cost came in under estimate, substantially below competitive bid and with equipment."
Phil and Donna S on September 2020
Your Heating & Air Conditioning Service Expert for over 20 years! As much as half of the energy used in your home goes to heating and cooling system. Making educated decisions about your home’s heating, ventilating, and air conditioning (HVAC) system can have a big effect on your utility bills — and your comfort. If your heating or air conditioning system is more than 10 years old, consider having them evaluated by the HVAC expert of Oneguy . We are an army of 4. I am a small company offering a higher quality installation of high efficiency equipment and system design in new custom homes or fixing all the trax homes that will not heat or cool with an Arzel wholehouse zoning system. A perfect solution for your basement finish project that will fix all your problems on the upper floors. Oneguy does not use sub-contractors unless it is a lic. plumber, electrician, to do any work out of my field to complete the job. I am lic. in Denver and most all metro cities and carry 2 million liability insurance. As an American Standard Dealer, I can provide you with the best furnaces and air conditioning units on the market as listed by consumer reports and consumer digest. You can look that up on thier web sites. Call Oneguy where quality takes priority 720-560-7100
"Excellent. Very professional, Final cost came in under estimate, substantially below competitive bid and with equipment."
Phil and Donna S on September 2020

Stellar Windows and Insulation
Stellar Windows and Insulation
Windows, Replacement Windows, Insulation, Energy Efficiency Auditing
Windows, Replacement Windows, Insulation, Energy Efficiency Auditing

REenergizeCO Inc
REenergizeCO Inc
We are a Denver-based home energy auditing company that believes basic building science errors are handicapping our local energy grid. REenergizeCO is an approved contractor with both Xcel and Denver Energy challenge, and we help you fill out all of the required paperwork to get the rebates from these programs.
"I had a great experience with REenergizeCO. They installed new insulation in the attic and crawlspace of my townhome. What a difference! The crew was efficient, helpful, and friendly, and the estimate was completely thorough. Dexter was wonderful to work with."
Sherri L on August 2024
We are a Denver-based home energy auditing company that believes basic building science errors are handicapping our local energy grid. REenergizeCO is an approved contractor with both Xcel and Denver Energy challenge, and we help you fill out all of the required paperwork to get the rebates from these programs.
"I had a great experience with REenergizeCO. They installed new insulation in the attic and crawlspace of my townhome. What a difference! The crew was efficient, helpful, and friendly, and the estimate was completely thorough. Dexter was wonderful to work with."
Sherri L on August 2024

Premier Roofing Company
Premier Roofing Company
The Denver branch of Premier Roofing is dedicated to serving the restoration roofing needs of single-family homeowners and multi-family communities in the area. When hail or wind causes damage to roofs in our area, we go to the impacted neighborhoods to help homeowners get their roofs restored as quickly as possible. We work with all insurance companies, ensuring the only out of pocket cost to homeowners is their deductible. We are proud to provide quality craftsmanship, straight talk, great customer service and the best workmanship and material warranties in the industry.
"Work done well and quickly. Couple of small problems handled. They dealt completely with my insurance company and basically left me out of it. They also were here to ensure that the insurance estimator saw all the damage including that which was not related to the roof."
Wayne P on January 2018
The Denver branch of Premier Roofing is dedicated to serving the restoration roofing needs of single-family homeowners and multi-family communities in the area. When hail or wind causes damage to roofs in our area, we go to the impacted neighborhoods to help homeowners get their roofs restored as quickly as possible. We work with all insurance companies, ensuring the only out of pocket cost to homeowners is their deductible. We are proud to provide quality craftsmanship, straight talk, great customer service and the best workmanship and material warranties in the industry.
"Work done well and quickly. Couple of small problems handled. They dealt completely with my insurance company and basically left me out of it. They also were here to ensure that the insurance estimator saw all the damage including that which was not related to the roof."
Wayne P on January 2018
The Firestone, CO homeowners’ guide to energy efficiency auditing services
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