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*The Angi rating for Energy Efficiency Auditing companies in Estes Park, 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 Estes Park, 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 November 23, 2025
Find Energy efficiency auditors in Estes Park
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.
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

ROSS WINDOWS & DOORS
ROSS WINDOWS & DOORS
3 EMPLOYEES, NO SUBS USED. COST DETERMINED BY THE JOB. NO TRAVEL CHARGES.
"2 new sliding glass doors installed. Work was done quickly and with high quality. Great attention to detail, full cleanup and haul away, competitive pricing. Would definitely recommend!"
John N on April 2024
3 EMPLOYEES, NO SUBS USED. COST DETERMINED BY THE JOB. NO TRAVEL CHARGES.
"2 new sliding glass doors installed. Work was done quickly and with high quality. Great attention to detail, full cleanup and haul away, competitive pricing. Would definitely recommend!"
John N on April 2024
Northern Colorado Energy Solutions LLC.
Northern Colorado Energy Solutions LLC.
Fast, Efficient HVAC Installation and Service.
"I called over 7 companies for my Kohler home generator. Less than half replied and no final resolution. So, I contacted this company even though they are 8 hours from my home and weren't available to come, and not only did they reply, they took about 45 minutes to walk me through my entire system remotely and then refused payment! They spent their time and expertise just to help me out of the goodness of their hearts! You don't find companies like this in 2023 anymore - I'd pay twice the going rate just to have the level of service this company provides, very strongly recommend!!"
Jeff V on May 2023
Fast, Efficient HVAC Installation and Service.
"I called over 7 companies for my Kohler home generator. Less than half replied and no final resolution. So, I contacted this company even though they are 8 hours from my home and weren't available to come, and not only did they reply, they took about 45 minutes to walk me through my entire system remotely and then refused payment! They spent their time and expertise just to help me out of the goodness of their hearts! You don't find companies like this in 2023 anymore - I'd pay twice the going rate just to have the level of service this company provides, very strongly recommend!!"
Jeff V on May 2023

This Efficient House
This Efficient House
This Efficient House is an expert residential energy efficiency company. We are approved by every gas and electric utility provider in Northern Colorado to perform any energy-saving improvement that qualifies for a rebate. With your priorities and budget in mind, we achieve the maximum energy-saved-per-dollar-invested. Our average project costs less than $3,000 and we are not a remodeling company. We install air sealing, insulation, heating and cooling equipment, windows, whole house fans, radon mitigation and other retrofits that save money, increase comfort and reduce carbon emissions. Because we are not a "single-trade" contractor we never misdiagnose the source of wasted energy or comfort related issues. We happily handle all rebate processing as well. This Efficient House directly employs our own well-trained BPI (Building Performance Institute) certified building shell crews and NATE (North American Technical Excellence) certified heating and cooling crews. We begin with a home energy audit which uses various diagnostic tests to analyze the efficiency of a house. We can then suggest the most cost effective ways to improve the efficiency of your home, reduce energy usage/utility bills and improve home comfort. The next step is to begin the work. We are a one-stop shop. An important part of our work - and what differentiates us from ordinary construction companies - is that we take a "whole house" approach to improving your home. A house works as an interactive system and changing one element can have a chain reaction of effects throughout the rest of the building. Keeping this in mind while work is being done is important both for the long term durability of your home and for your personal safety and protection from indoor air quality issues such as carbon monoxide and radon. Feel free to contact us with any questions you have or visit our website for more information.
"Mike & This Efficient House have done several jobs for us in the past. Most recently, they did radon mitigation & insulation work in our crawlspace plus in-wall cellulose fill insulation last December. Mike and his crew were punctual, got the job done very efficiently, and were very communicative through the entire process. We have much better peace-of-mind with the radon work done, and the house was much more comfortable through the rest of the winter with the new insulation. Previously they had performed an energy efficiency audit on the house, and managed the replacement of our old hot water heater and furnace with new high-efficiency units better sized for our small house. Good experiences in all cases, and we would definitely work with them again in the future. Highly recommended!"
John F on May 2021
This Efficient House is an expert residential energy efficiency company. We are approved by every gas and electric utility provider in Northern Colorado to perform any energy-saving improvement that qualifies for a rebate. With your priorities and budget in mind, we achieve the maximum energy-saved-per-dollar-invested. Our average project costs less than $3,000 and we are not a remodeling company. We install air sealing, insulation, heating and cooling equipment, windows, whole house fans, radon mitigation and other retrofits that save money, increase comfort and reduce carbon emissions. Because we are not a "single-trade" contractor we never misdiagnose the source of wasted energy or comfort related issues. We happily handle all rebate processing as well. This Efficient House directly employs our own well-trained BPI (Building Performance Institute) certified building shell crews and NATE (North American Technical Excellence) certified heating and cooling crews. We begin with a home energy audit which uses various diagnostic tests to analyze the efficiency of a house. We can then suggest the most cost effective ways to improve the efficiency of your home, reduce energy usage/utility bills and improve home comfort. The next step is to begin the work. We are a one-stop shop. An important part of our work - and what differentiates us from ordinary construction companies - is that we take a "whole house" approach to improving your home. A house works as an interactive system and changing one element can have a chain reaction of effects throughout the rest of the building. Keeping this in mind while work is being done is important both for the long term durability of your home and for your personal safety and protection from indoor air quality issues such as carbon monoxide and radon. Feel free to contact us with any questions you have or visit our website for more information.
"Mike & This Efficient House have done several jobs for us in the past. Most recently, they did radon mitigation & insulation work in our crawlspace plus in-wall cellulose fill insulation last December. Mike and his crew were punctual, got the job done very efficiently, and were very communicative through the entire process. We have much better peace-of-mind with the radon work done, and the house was much more comfortable through the rest of the winter with the new insulation. Previously they had performed an energy efficiency audit on the house, and managed the replacement of our old hot water heater and furnace with new high-efficiency units better sized for our small house. Good experiences in all cases, and we would definitely work with them again in the future. Highly recommended!"
John F on May 2021

Smart Energy Today Inc
Smart Energy Today Inc
Smart Energy Today, Inc.™ has a mission that is focused on providing high quality and competitively priced products for home improvements that will decrease energy consumption, lower the cost of energy bills, and, most importantly, increase the comfort level in customers’ homes. If you are looking to improve the comfortability and efficiency of your home or business, lower costs and become more energy independent, Smart Energy Today, Inc.™ can help. Smart Energy Today, Inc.™ is proud of its superior products and service and always strives for positive reviews.
"Trust has been broken by nearly everyone I have talked to at Smart Energy Today/Lumio. It has been over EIGHT months now since my first signing with your sales representative, Josh Miller. Summer has come and gone, and we STILL have no working solar panels with zero communication from anyone in your organization on when this will be completed. The absolute TERRIBLE experience we've had was as follows: 4/14: Spoke with Josh Miller. We were told if we signed that night, we would be given 3 months worth of payments. Signed that night. 4/15: Welcome email received from Smart Energy Today with timeline saying target 6-8 weeks from finance approval with picture showing maximum timeline of 12 weeks, which would have been 7/15. 5/10: Got an email requesting for documentation with my name on the property. House is under my husband's name, so we needed to add his name to the loan. 5/24: Signed new documents with my husband's name on it. New maximum timeline should have been 8/24. 6/22: Solar panel was installed roughly around this time. After the install, I got a physical copy of a timeline showing a timeline maximum of 84 days plus one step that had a variable date range. New maximum timeline should have been roughly 9/22 without knowing what the variable timeline is. This was the final update to the timeline I got, so as far as we are concerned, this should have been the target date. 6/23: Inspection was supposed to happen in the morning. Waited until 1 in the afternoon with no one showing up and no word on when the inspector would be coming, we needed to reschedule due to work. I was told someone would call me back to reschedule, but no one ever did. I had to reach back out to Josh for help to get the inspection rescheduled. 7/2: Got letter from Service Finance Company that our first payment is due 7/28. We asked Josh about this since only the solar panels were installed, but our main panel which needed to be replaced due to age was not installed yet and was rolled into the loan. Josh acknowledged that this seemed odd and would look into it. 7/21: We got our first bill from Service Finance Company. Sent to Josh again, he said he'd look into it.8/16: Main panel replacement occurred. On the same day, we got a call from Service Finance Company that we are 19 days overdue and will be going into collections soon. Reached out to Josh again about this, and Josh promised he'd pay for the late fee. 8/18: Finally got a gift card from Lumio with the first three months of payments that Josh promised us. Since we had to resign the loan for a new amount since the main panel was rolled into the loan, the gift card was for 3 months based on the old amount, not the new amount, and it did not include the late fee that Josh promised. Was told I would get an additional gift card for the remainder by a representative who called me to confirm I got the gift card. 8/19: Got a survey from Lumio about the solar panel install. I took the survey and fully explained the horrible experience I had up until that point. The survey asked if I would like someone to contact me, and I said yes. To this day, no one has contacted me. 9/2: City of Seattle came to inspect expecting a Lumio representative to be present, but there was no Lumio representative. Josh said that no Lumio representative should be onsite. Via email, Jennifer said a Lumio representative should have been onsite. I told Jennifer Josh said this wasn't necessary, and Jennifer said there should have been. Rescheduled inspection. 9/13: Got a text from Jennifer saying I needed to schedule an inspection again, which made me think the previous inspection scheduled on 9/2 did not occur (error on her part). 9/17: Texted Josh asking for a follow up on the gift card. Zero acknowledgement. 10/12: Texted Josh again about the gift card. Josh texted me an email screenshot Alexa Gamble sent to Rachel, AJ, Catherine, and 7 other people for follow up. 10/20: Text from Ivie to schedule final electrical inspection for 10/27. I texted back requesting for 10/28, but didn't hear anything back from her. 10/28: No one shows up. 10/31: Text from Ivie saying that the technician had an emergency and her text to me never went through, now the final electrical inspection is scheduled for 11/10.11/4: Texted Josh about the gift card. Zero response. 11/10: Lumio inspection with Seattle City Light. Was told additional work needed to be done. It has been two weeks, and I have heard nothing back from anyone about when that would be scheduled or take place. This only includes the correspondence I've had in writing with your organization. This does not include the countless phone calls I have made to follow up with your inability to provide clear communication and follow through. In writing this and reliving the experience I had with your company, I am completely astounded by your organization's inability to follow up your customers. It's not just one or two, but multiple people who have dropped the ball with communication with us."
Raymond F on November 2022
Smart Energy Today, Inc.™ has a mission that is focused on providing high quality and competitively priced products for home improvements that will decrease energy consumption, lower the cost of energy bills, and, most importantly, increase the comfort level in customers’ homes. If you are looking to improve the comfortability and efficiency of your home or business, lower costs and become more energy independent, Smart Energy Today, Inc.™ can help. Smart Energy Today, Inc.™ is proud of its superior products and service and always strives for positive reviews.
"Trust has been broken by nearly everyone I have talked to at Smart Energy Today/Lumio. It has been over EIGHT months now since my first signing with your sales representative, Josh Miller. Summer has come and gone, and we STILL have no working solar panels with zero communication from anyone in your organization on when this will be completed. The absolute TERRIBLE experience we've had was as follows: 4/14: Spoke with Josh Miller. We were told if we signed that night, we would be given 3 months worth of payments. Signed that night. 4/15: Welcome email received from Smart Energy Today with timeline saying target 6-8 weeks from finance approval with picture showing maximum timeline of 12 weeks, which would have been 7/15. 5/10: Got an email requesting for documentation with my name on the property. House is under my husband's name, so we needed to add his name to the loan. 5/24: Signed new documents with my husband's name on it. New maximum timeline should have been 8/24. 6/22: Solar panel was installed roughly around this time. After the install, I got a physical copy of a timeline showing a timeline maximum of 84 days plus one step that had a variable date range. New maximum timeline should have been roughly 9/22 without knowing what the variable timeline is. This was the final update to the timeline I got, so as far as we are concerned, this should have been the target date. 6/23: Inspection was supposed to happen in the morning. Waited until 1 in the afternoon with no one showing up and no word on when the inspector would be coming, we needed to reschedule due to work. I was told someone would call me back to reschedule, but no one ever did. I had to reach back out to Josh for help to get the inspection rescheduled. 7/2: Got letter from Service Finance Company that our first payment is due 7/28. We asked Josh about this since only the solar panels were installed, but our main panel which needed to be replaced due to age was not installed yet and was rolled into the loan. Josh acknowledged that this seemed odd and would look into it. 7/21: We got our first bill from Service Finance Company. Sent to Josh again, he said he'd look into it.8/16: Main panel replacement occurred. On the same day, we got a call from Service Finance Company that we are 19 days overdue and will be going into collections soon. Reached out to Josh again about this, and Josh promised he'd pay for the late fee. 8/18: Finally got a gift card from Lumio with the first three months of payments that Josh promised us. Since we had to resign the loan for a new amount since the main panel was rolled into the loan, the gift card was for 3 months based on the old amount, not the new amount, and it did not include the late fee that Josh promised. Was told I would get an additional gift card for the remainder by a representative who called me to confirm I got the gift card. 8/19: Got a survey from Lumio about the solar panel install. I took the survey and fully explained the horrible experience I had up until that point. The survey asked if I would like someone to contact me, and I said yes. To this day, no one has contacted me. 9/2: City of Seattle came to inspect expecting a Lumio representative to be present, but there was no Lumio representative. Josh said that no Lumio representative should be onsite. Via email, Jennifer said a Lumio representative should have been onsite. I told Jennifer Josh said this wasn't necessary, and Jennifer said there should have been. Rescheduled inspection. 9/13: Got a text from Jennifer saying I needed to schedule an inspection again, which made me think the previous inspection scheduled on 9/2 did not occur (error on her part). 9/17: Texted Josh asking for a follow up on the gift card. Zero acknowledgement. 10/12: Texted Josh again about the gift card. Josh texted me an email screenshot Alexa Gamble sent to Rachel, AJ, Catherine, and 7 other people for follow up. 10/20: Text from Ivie to schedule final electrical inspection for 10/27. I texted back requesting for 10/28, but didn't hear anything back from her. 10/28: No one shows up. 10/31: Text from Ivie saying that the technician had an emergency and her text to me never went through, now the final electrical inspection is scheduled for 11/10.11/4: Texted Josh about the gift card. Zero response. 11/10: Lumio inspection with Seattle City Light. Was told additional work needed to be done. It has been two weeks, and I have heard nothing back from anyone about when that would be scheduled or take place. This only includes the correspondence I've had in writing with your organization. This does not include the countless phone calls I have made to follow up with your inability to provide clear communication and follow through. In writing this and reliving the experience I had with your company, I am completely astounded by your organization's inability to follow up your customers. It's not just one or two, but multiple people who have dropped the ball with communication with us."
Raymond F on November 2022
Robert's Heating & Air LLC
Robert's Heating & Air LLC
Preventative maintenance, repair of heating, air conditioning, hvac system & water heater replacement, system analysis & air balancing, air duct cleaning, indoor air quality including humidification, filtration and ventilation & geothermal heat pumps. Additional address - 200 N Lincoln Ave, Nunn, CO 80648. Award winning.
Preventative maintenance, repair of heating, air conditioning, hvac system & water heater replacement, system analysis & air balancing, air duct cleaning, indoor air quality including humidification, filtration and ventilation & geothermal heat pumps. Additional address - 200 N Lincoln Ave, Nunn, CO 80648. Award winning.

Allied Insulation
Allied Insulation
Find superior insulation, and gutter installation services from Allied Insulation Co., the TruTeam home improvement professionals in Ft. Collins. Call us today! Or email us at [email protected].
Find superior insulation, and gutter installation services from Allied Insulation Co., the TruTeam home improvement professionals in Ft. Collins. Call us today! Or email us at [email protected].
Next Gen. Designs LLC
Next Gen. Designs LLC
We are a full service residential building contractor. We specialize in small jobs and residential remodels. We also do home energy audits. We are always eager to help and excited to create a vision together and provide high quality products and services in the building industry.
We are a full service residential building contractor. We specialize in small jobs and residential remodels. We also do home energy audits. We are always eager to help and excited to create a vision together and provide high quality products and services in the building industry.

Ecamaintenance & Home Improvements LLC
Ecamaintenance & Home Improvements LLC
Home remodeling and Maintenance business
Home remodeling and Maintenance business
The Estes Park, CO 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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