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  • Verified reviews icon31
    Verified energy efficiency auditing services reviews

Find Energy efficiency auditors in Stonegate

Avatar for Behold Heating & Cooling Services

Behold Heating & Cooling Services

4.94(
33
)
Approved Pro

Behold Heating & Cooling Services

4.94(
33
)
Approved Pro
Customers say: Quick response
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
2023 years of experience

Behold the Difference! Every day we are invited into our customer’s homes. Into their safe place and sanctuary. Quite often this is in the midst of a concern or issue that needs to be fixed! With an extensive background that spans well beyond just the trades, we love to be different. In addition to decades of industry experience, we bring some secret sauce - we love to take all the time needed to help, to make sure you are comfortable, and to provide amazing solutions. Come BEHOLD the difference! "Unfortunately we do not service or intall swamp or evaporative coolers".

"My water heater had gone out and called and called around trying to get quotes and big company’s were trying to schedule in person quotes which I know is a strong arm to get the work done then and there because they are already at your house ect. But with Behold I had a personal direct text from them asking about my situation and all I had to do was give some info send in pictures and voilà! They gave me their quote(2300$) which also beat all the company’s(3k$+) I had heard from! They had a tech out to me ASAP. It almost could’ve been same day but I was in no rush. Hunter came in and did it all him self of removal of old and installing new in just two hours! They are great to work worth and will definitely recommend and go to again."

London A on November 2025

Behold the Difference! Every day we are invited into our customer’s homes. Into their safe place and sanctuary. Quite often this is in the midst of a concern or issue that needs to be fixed! With an extensive background that spans well beyond just the trades, we love to be different. In addition to decades of industry experience, we bring some secret sauce - we love to take all the time needed to help, to make sure you are comfortable, and to provide amazing solutions. Come BEHOLD the difference! "Unfortunately we do not service or intall swamp or evaporative coolers".

"My water heater had gone out and called and called around trying to get quotes and big company’s were trying to schedule in person quotes which I know is a strong arm to get the work done then and there because they are already at your house ect. But with Behold I had a personal direct text from them asking about my situation and all I had to do was give some info send in pictures and voilà! They gave me their quote(2300$) which also beat all the company’s(3k$+) I had heard from! They had a tech out to me ASAP. It almost could’ve been same day but I was in no rush. Hunter came in and did it all him self of removal of old and installing new in just two hours! They are great to work worth and will definitely recommend and go to again."

London A on November 2025


Avatar for REenergizeCO, Inc.

REenergizeCO, Inc.

4.80(
123
)
Approved Pro

REenergizeCO, Inc.

4.80(
123
)
Approved Pro
Customers say: Quick response
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers
2012 years of experience

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


Avatar for Time Plumbing, Heating & Electric INC

Time Plumbing, Heating & Electric INC

4.73(
26
)
Approved Pro

Time Plumbing, Heating & Electric INC

4.73(
26
)
Approved Pro
Customers say: Quick response
1983 years of experience
Emergency services offered

Founded in 1983, Time Plumbing, Heating & Electric Inc. has been serving the Denver, CO area with their plumbing, heating and electrical needs. If you have a drain that needs cleaning, a heater installed, or your panel box upgraded, then call the experts at Time Plumbing, Heating & Electric Inc. They are excited to hear from you so make the call now for your next appointment!

"So I've just sold my home in Lakewood and the Technicians at Time have come to repair a furnace motor and correct an code violation in my electrical panel that the city missed when I stalled 4 years ago. Their service has always been excellent. Madison returns messages first thing in the morning. The electrician Kevin Wendt explained the code violations clearly and corrected in 2 hours. I forgot the young man who repaired my furnace but he found the last motor in town for my model, potentially saving me having to spend thousands more. Home repair is never a pleasant experience but 3 times over the last decade, this business has given me peace of mind and fixed all issues quickly and professionally. Richard Gainer"

Richard G on April 2023

Founded in 1983, Time Plumbing, Heating & Electric Inc. has been serving the Denver, CO area with their plumbing, heating and electrical needs. If you have a drain that needs cleaning, a heater installed, or your panel box upgraded, then call the experts at Time Plumbing, Heating & Electric Inc. They are excited to hear from you so make the call now for your next appointment!

"So I've just sold my home in Lakewood and the Technicians at Time have come to repair a furnace motor and correct an code violation in my electrical panel that the city missed when I stalled 4 years ago. Their service has always been excellent. Madison returns messages first thing in the morning. The electrician Kevin Wendt explained the code violations clearly and corrected in 2 hours. I forgot the young man who repaired my furnace but he found the last motor in town for my model, potentially saving me having to spend thousands more. Home repair is never a pleasant experience but 3 times over the last decade, this business has given me peace of mind and fixed all issues quickly and professionally. Richard Gainer"

Richard G on April 2023


"All around good quality work for a good price.."

Jay R on May 2016

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!

"All around good quality work for a good price.."

Jay R on May 2016


Avatar for Home Performance Solutions LLC

Home Performance Solutions LLC

New on AngiNew on Angi
Approved Pro

Home Performance Solutions LLC

New on AngiNew on Angi
Approved Pro
2001 years of experience
Free onsite estimate

We are extremely passionate about the work that we do. You can depend on us to provide a high quality service at a fair and honest price. We understand that the future of our business depends upon our reputation and that is why customer service is by far our highest priority. If you are looking for a professional you can trust, please call today to schedule a no-obligation estimate!

We are extremely passionate about the work that we do. You can depend on us to provide a high quality service at a fair and honest price. We understand that the future of our business depends upon our reputation and that is why customer service is by far our highest priority. If you are looking for a professional you can trust, please call today to schedule a no-obligation estimate!


Bestway Insulation, LLC

New on AngiNew on Angi
Approved Pro

Bestway Insulation, LLC

New on AngiNew on Angi
Approved Pro
1976 years of experience
Free onsite estimate

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.


Colorado Home Services

4.96(
110
)

Colorado Home Services

4.96(
110
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

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


Avatar for Rock Heating & Air Conditioning

Rock Heating & Air Conditioning

4.72(
87
)

Rock Heating & Air Conditioning

4.72(
87
)
Customers say: Super punctual
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers

If your air conditioning or heating system is failing, allow Rock Plumbing, Heating & Air Conditioning to help you bring comfort home. Since 2000, the family-owned company remains the top trusted HVAC service team in Castle Rock, Parker, Littleton, and the entire South Metro Denver area. From heating and AC repairs to installations, maintenance, and indoor air quality solutions, Rock Plumbing, Heating & Air Conditioning has the skills, manpower, and equipment to handle them all. Additionally, the company’s professional team services water heater systems including tankless water heaters and boiler systems. Call now to schedule 100% guaranteed HVAC and plumbing services in Castle Rock and the surrounding areas. All techs are background checked and drug tested for the customer’s complete peace of mind.

"I am not much of a reviewer but I would like to share my experience last month with Rock Heating. I lost a boiler in a rental unit. Jeff came out said that he could get it going after a $350 charge. After getting going had to red tag unit due to CO2. This is fine but maybe he could have said you need new unit and not took my money but...Then I asked for bid on new unit said he needed to return next day to do that. He came back, then left never giving price for new unit. He knew the place had no heat and said he would be able to get new one in a couple days. Had to call to get price for all they gave me was a rebuild price on a 40 year old unit which I said I didn't want done wanted new unit. After finally getting price, which I believe the tech just made up price, it was more then double the price. I had it done by a local honest plumber. If Rock heating does not want to do boiler work just say it up front and don't waste my time. Do you research check other companys beware!!!! Invoice #154630012"

Jeff Z on January 2025

If your air conditioning or heating system is failing, allow Rock Plumbing, Heating & Air Conditioning to help you bring comfort home. Since 2000, the family-owned company remains the top trusted HVAC service team in Castle Rock, Parker, Littleton, and the entire South Metro Denver area. From heating and AC repairs to installations, maintenance, and indoor air quality solutions, Rock Plumbing, Heating & Air Conditioning has the skills, manpower, and equipment to handle them all. Additionally, the company’s professional team services water heater systems including tankless water heaters and boiler systems. Call now to schedule 100% guaranteed HVAC and plumbing services in Castle Rock and the surrounding areas. All techs are background checked and drug tested for the customer’s complete peace of mind.

"I am not much of a reviewer but I would like to share my experience last month with Rock Heating. I lost a boiler in a rental unit. Jeff came out said that he could get it going after a $350 charge. After getting going had to red tag unit due to CO2. This is fine but maybe he could have said you need new unit and not took my money but...Then I asked for bid on new unit said he needed to return next day to do that. He came back, then left never giving price for new unit. He knew the place had no heat and said he would be able to get new one in a couple days. Had to call to get price for all they gave me was a rebuild price on a 40 year old unit which I said I didn't want done wanted new unit. After finally getting price, which I believe the tech just made up price, it was more then double the price. I had it done by a local honest plumber. If Rock heating does not want to do boiler work just say it up front and don't waste my time. Do you research check other companys beware!!!! Invoice #154630012"

Jeff Z on January 2025


Scott Home Inspection LLC

4.76(
62
)

Scott Home Inspection LLC

4.76(
62
)
Customers say: Super punctual
2002 years of experience

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


Avatar for Key Heating & Air dba Oneguy Heating & Cooling

Key Heating & Air dba Oneguy Heating & Cooling

4.91(
85
)

Key Heating & Air dba Oneguy Heating & Cooling

4.91(
85
)
Customers say: Super punctual
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers

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

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Showing 1-10 of 85
Energy Efficiency Auditing questions, answered by experts

As you look for the right soundproofing drywall for you, you’ll likely come across the Sound Transmission Class (STC) rating. This rating measures a building material’s ability to absorb sound. The higher the number, the better the material absorbs rather than reflects sound, reducing noise transmission. The STC rating for drywall doesn’t mean it’s for the panel itself—it refers to the STC rating for the entire wall system, including the soundproofing drywall.

Homeowners may qualify for an HVAC tax credit if they install an ENERGY STAR®-certified HVAC system that exceeds the energy efficiency minimum standards:

  • Split-System AC: 16 SEER2

  • Packaged AC: 15.2 SEER2 and 11.5 EER2

  • Ducted Split Heat Pump: 15.2 SEER2, 7.8 HSPF2, and 11.7 EER2 

  • Packaged Heat Pump: 15.2 SEER2, 7.2 HSPF2, and 10.6 EER2

  • Mini-Split System: 16 SEER2, 9 HSPF2, and 12 EER2

You can claim up to 30% of the cost of the job, subject to maximums.

There are several strategic ways to lower your home insurance premium. The primary one is to shop around and get quotes every few years to make sure you’re getting the best deal. Also, sometimes bundling your auto and homeowner’s insurance will get you a discount on both. Finally, try to keep your credit score up; many homeowner insurance companies use credit scores to generate quotes.

Smart glass doesn’t use a lot of electricity, and you can expect a standard window to add between $1 and $2 per year to your electric bills. Smart glass is proof that energy-efficient windows work. Although your smart windows may consume a little energy to operate, they can save enough energy to offset the costs. If you’re concerned about the minimal bump to your electricity consumption, you can opt for smart tint, which doesn’t require electricity to work.

Thankfully, LED lights use less electricity than incandescent lights, meaning you won’t spend as much on utility bills by using these light strips. Each 5-meter LED light strip will cost about $3 per year on your energy bill.

The Stonegate, CO homeowners’ guide to energy efficiency auditing services

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