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  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon22
    Verified energy efficiency auditing services reviews

Find Energy efficiency auditors in Collinsville

Avatar for SRI Energy

SRI Energy

4.78(
57
)
Approved Pro

SRI Energy

4.78(
57
)
Approved Pro
Customers say: True professional
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers
2002 years of experience

Energy Star Windows and Insulation are the first things people think about with when considering energy improvements to their home. All Energy Star Windows are not created equal. You can have quality beautiful, affordable vinyl windows that are designed by our building scientists, manufactured 100% in the US, with lifetime warranty, including glass breakage, and double strength glass. Our passion is helping people find the right solution for their home--not all homes are created equal. As certified home performance professionals (BPI Analysts and Indoor Environmentalists), we evaluate your home as a whole. Insulation companies work to sell insulation; window companies to sell windows; and heat and air companies to sell their units. Your home is a system and these systems need to be evaluated and work together to achieve the most affordable and healthy solution for you. We can assist you in getting the best solutions for your budget. (Ask About possible utility rebates)

"They really did a good job.They came on time actually they came early. They were very courteous to me. Everything was great."

Russ H on October 2025

Energy Star Windows and Insulation are the first things people think about with when considering energy improvements to their home. All Energy Star Windows are not created equal. You can have quality beautiful, affordable vinyl windows that are designed by our building scientists, manufactured 100% in the US, with lifetime warranty, including glass breakage, and double strength glass. Our passion is helping people find the right solution for their home--not all homes are created equal. As certified home performance professionals (BPI Analysts and Indoor Environmentalists), we evaluate your home as a whole. Insulation companies work to sell insulation; window companies to sell windows; and heat and air companies to sell their units. Your home is a system and these systems need to be evaluated and work together to achieve the most affordable and healthy solution for you. We can assist you in getting the best solutions for your budget. (Ask About possible utility rebates)

"They really did a good job.They came on time actually they came early. They were very courteous to me. Everything was great."

Russ H on October 2025


Avatar for BASIS Inspections, llc

BASIS Inspections, llc

5.00(
77
)

BASIS Inspections, llc

5.00(
77
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Teamwork: I make it my responsibility to know your specific needs. I work closely with my customers, their agents and their lenders to ensure that each inspection is tailored to meet your needs. I am committed to your satisfaction. Customer Relations: At BASIS, my highest priority is satisfied customers. You are important to me and you can expect that I will go the extra mile for your business. Superior customer service is the hallmark of BASIS. I am proud to serve you and will work hard to earn your business. Leadership: With BASIS, you receive the kind of quality and service you expect from a leader. BASIS is always evolving as the needs or our customers change and as new technologies arise. You can rest assured that, working with Buyers And Sellers Inspection Services, llc, you will enjoy the latest services, technology and developments in the industry.

"Prompt, thorough, no issue with the service provided. All the folks he recommended for other ancillary services were equally as good."

Shawn L on September 2018

Teamwork: I make it my responsibility to know your specific needs. I work closely with my customers, their agents and their lenders to ensure that each inspection is tailored to meet your needs. I am committed to your satisfaction. Customer Relations: At BASIS, my highest priority is satisfied customers. You are important to me and you can expect that I will go the extra mile for your business. Superior customer service is the hallmark of BASIS. I am proud to serve you and will work hard to earn your business. Leadership: With BASIS, you receive the kind of quality and service you expect from a leader. BASIS is always evolving as the needs or our customers change and as new technologies arise. You can rest assured that, working with Buyers And Sellers Inspection Services, llc, you will enjoy the latest services, technology and developments in the industry.

"Prompt, thorough, no issue with the service provided. All the folks he recommended for other ancillary services were equally as good."

Shawn L on September 2018


Avatar for Air Assurance

Air Assurance

4.80(
347
)

Air Assurance

4.80(
347
)
Customers say: Super punctual
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers

In business since 1985, a team of over 60 team members here to serve your heating and air conditioning and plumbing needs. National ACCA Contractor of the year, Best of Oklahoma, Broken Arrow, and Tulsa award winning certified professionals. Our goal is to "WOW" the customer through their service experience.

"Came to fulfill a service order for air conditioning unit thru home warranty company, the technician that arrived said the compositor needed to be replaced so I assume he replaced it but never came into the home to check temperature or air blowing in when the technician was asked if he had checked Freon his reply was no it should be good then he left no change in inside temperature in 20/30 minutes so I called in they said it would take a couple of hours for new part to start cooling the house back down due to the outside temperature so I patiently waited a couple of hours before calling back and was told they would send someone back out by midnight, as midnight approached I gave a call back and was told that all after hour slots was full and and was given a service time of 10-12 Saturday morning only to be told the warranty company needs to open a new ticket before a technician can be sent out, finally got ticket reopened that should have never been closed due to incomplete service now I’m being told that air assurance don’t have home service warranty technicians on the weekends and I’m being told the next available time would be Tuesday due to the holiday. You should train your customer service agents to never state that to anyone else because this is what the average person with common sense hear is (the contract that we have with Home Serv does not cover weekend or after hour service calls) I would not recommend this company to anyone."

Chris C on September 2024

In business since 1985, a team of over 60 team members here to serve your heating and air conditioning and plumbing needs. National ACCA Contractor of the year, Best of Oklahoma, Broken Arrow, and Tulsa award winning certified professionals. Our goal is to "WOW" the customer through their service experience.

"Came to fulfill a service order for air conditioning unit thru home warranty company, the technician that arrived said the compositor needed to be replaced so I assume he replaced it but never came into the home to check temperature or air blowing in when the technician was asked if he had checked Freon his reply was no it should be good then he left no change in inside temperature in 20/30 minutes so I called in they said it would take a couple of hours for new part to start cooling the house back down due to the outside temperature so I patiently waited a couple of hours before calling back and was told they would send someone back out by midnight, as midnight approached I gave a call back and was told that all after hour slots was full and and was given a service time of 10-12 Saturday morning only to be told the warranty company needs to open a new ticket before a technician can be sent out, finally got ticket reopened that should have never been closed due to incomplete service now I’m being told that air assurance don’t have home service warranty technicians on the weekends and I’m being told the next available time would be Tuesday due to the holiday. You should train your customer service agents to never state that to anyone else because this is what the average person with common sense hear is (the contract that we have with Home Serv does not cover weekend or after hour service calls) I would not recommend this company to anyone."

Chris C on September 2024


HOUCHIN ELECTRIC CO INC

4.91(
86
)

HOUCHIN ELECTRIC CO INC

4.91(
86
)
Customers say: Quality work
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers

OKLAHOMA LICENSE 000670. 40 EMPLOYEES. FREE ESTIMATES. SERVICE CALL COST IS DETERMINED BY HOURLY RATE: $90.00 FOR THE FIRST HOUR & $40.00 FOR EACH ADDITIONAL 1/2 HOUR FOR 1 ELECTRICIAN. HELPER & MATERIALS ARE NOT INCLUDED IN THIS PRICE IF NEEDED & WILL BE AN ADDITIONAL CHARGE. AFTER HOURS CHARGE IS $135.00 PER HOUR. ONE-WAY TRAVEL CHARGE APPLIES.

"Tim came right on time, early really. And he had the socket replaced perfectly in about 50 minutes. Have not gotten the bill yet, but from using them in the past, I know it will be reasonable. Only an hour's worth of work."

Charlie B on June 2019

OKLAHOMA LICENSE 000670. 40 EMPLOYEES. FREE ESTIMATES. SERVICE CALL COST IS DETERMINED BY HOURLY RATE: $90.00 FOR THE FIRST HOUR & $40.00 FOR EACH ADDITIONAL 1/2 HOUR FOR 1 ELECTRICIAN. HELPER & MATERIALS ARE NOT INCLUDED IN THIS PRICE IF NEEDED & WILL BE AN ADDITIONAL CHARGE. AFTER HOURS CHARGE IS $135.00 PER HOUR. ONE-WAY TRAVEL CHARGE APPLIES.

"Tim came right on time, early really. And he had the socket replaced perfectly in about 50 minutes. Have not gotten the bill yet, but from using them in the past, I know it will be reasonable. Only an hour's worth of work."

Charlie B on June 2019


Avatar for Morris Heat and Air

Morris Heat and Air

4.93(
57
)

Morris Heat and Air

4.93(
57
)
Customers say: Quick response
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers

https://www.morrisheatandair.net is a full service heating and cooling company specializing in improving the comfort level of your home and reducing your energy cost associated with living in your home. We offer 0% interest financing for up to 72 months that is backed with a 10-12 year manufacturer's warranty. Morris Heat and Air's limited Lifetime Warranties leave you with peace of mind knowing that if your unit breaks down, Morris Heat and Air will be there to resolve the issue at no cost. To learn more about our services, feel free to visit us on the web.

"I was told by another co. that it would cost $4850 to replace bad parts in my heat exchange. So I was calling and asking for prices to replace system instead or repairing my old heat pump. Well Morris Heat and Air came and looked at the heat exchange and told me they could repair for less than $700, So Mr. Morris replaced the bad parts and work with my crazy schedule to repair my exchange for $680. I am very impressed with his honesty, knowledge and professionalism. He answered my questions about some of the other things that his company offers like the energy audits and the sealant they use to seal holes in the duct system. I am very happy with the job and the services that he performed. I would recommend Morris Heat and Air to friends and family."

Fredericka T on March 2019

https://www.morrisheatandair.net is a full service heating and cooling company specializing in improving the comfort level of your home and reducing your energy cost associated with living in your home. We offer 0% interest financing for up to 72 months that is backed with a 10-12 year manufacturer's warranty. Morris Heat and Air's limited Lifetime Warranties leave you with peace of mind knowing that if your unit breaks down, Morris Heat and Air will be there to resolve the issue at no cost. To learn more about our services, feel free to visit us on the web.

"I was told by another co. that it would cost $4850 to replace bad parts in my heat exchange. So I was calling and asking for prices to replace system instead or repairing my old heat pump. Well Morris Heat and Air came and looked at the heat exchange and told me they could repair for less than $700, So Mr. Morris replaced the bad parts and work with my crazy schedule to repair my exchange for $680. I am very impressed with his honesty, knowledge and professionalism. He answered my questions about some of the other things that his company offers like the energy audits and the sealant they use to seal holes in the duct system. I am very happy with the job and the services that he performed. I would recommend Morris Heat and Air to friends and family."

Fredericka T on March 2019


de Verges & Associates Enviromental Consulting Inc

4.82(
17
)

de Verges & Associates Enviromental Consulting Inc

4.82(
17
)
Customers say: True professional
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers

de Verges & Associates Environmental Consulting Inc is a professional environmental consulting company that provides consulting services nationwide. The company is based in Tulsa, OK. We provide environmental consulting for industrial compliance, construction erosion control and home moisture abatement. Additional email - [email protected].

de Verges & Associates Environmental Consulting Inc is a professional environmental consulting company that provides consulting services nationwide. The company is based in Tulsa, OK. We provide environmental consulting for industrial compliance, construction erosion control and home moisture abatement. Additional email - [email protected].


Avatar for Frost Air Services, LLC

Frost Air Services, LLC

4.56(
9
)

Frost Air Services, LLC

4.56(
9
)
Customers say: Terrific value
2018 years of experience

HVAC, repairs, maintenance, and replacements. Family owned and operated, and serving the Tulsa area for many years. We provide quality services for an affordable cost. We offer free estimates and second opinions.

"I had used Frost in past for service. When we did a newbuild an remodel on our cabin at lake we figured Cody would be trust worthy. He has not completed the job to date 7/7/22. I have called, emailed an he admits that he used a pad from our well house an would reimburse for it. He admits he has not sent the vented door that keeps dust an dirt from ruining the coil but has basically lied an not followed through on anything. Problem all started when our bank TTCU rep didn't follow policy an paid Cody (owner) in full in Jan instead of just for materials. If Frost was a reputable company they would have finished the job. We know have to find another HVAC company to do it. This has been a TOTAL nightmare an unnecessary stress."

Marca D on July 2022

HVAC, repairs, maintenance, and replacements. Family owned and operated, and serving the Tulsa area for many years. We provide quality services for an affordable cost. We offer free estimates and second opinions.

"I had used Frost in past for service. When we did a newbuild an remodel on our cabin at lake we figured Cody would be trust worthy. He has not completed the job to date 7/7/22. I have called, emailed an he admits that he used a pad from our well house an would reimburse for it. He admits he has not sent the vented door that keeps dust an dirt from ruining the coil but has basically lied an not followed through on anything. Problem all started when our bank TTCU rep didn't follow policy an paid Cody (owner) in full in Jan instead of just for materials. If Frost was a reputable company they would have finished the job. We know have to find another HVAC company to do it. This has been a TOTAL nightmare an unnecessary stress."

Marca D on July 2022



Ion Solar LLC

No reviews yet

Ion Solar LLC

No reviews yet
2011 years of experience

Ion is a design/build firm specializing in residential and commercial solar electric power with or without battery storage, solar hot water heating, and wind energy systems.

Ion is a design/build firm specializing in residential and commercial solar electric power with or without battery storage, solar hot water heating, and wind energy systems.


Avatar for Double M Services

Double M Services

3.40(
10
)

Double M Services

3.40(
10
)
Customers say: Terrific value
1994 years of experience

We are a general contractor with over 20 years experience in all aspects of interior and exterior home building as well as over 7 years of property preservation and management. We have refrerences available upon request as well as photo's of work we have done. Our company motto is WE WORK FOR YOU . We put our customers needs first and treat everyone as if they were our first customer. I have customer's that have been with us for ten years or more and they know all they have to do is pick up the phone and we will be there to take care of them. Our ten employees and myself will do our very best to give you a honest experience that you will be happy to tell your friends about. We can also work out payment arraggements out with you on those large jobs so to help with your budget. If you tell your friend about us and we get a job from them you will get 20% off your next job.

We are a general contractor with over 20 years experience in all aspects of interior and exterior home building as well as over 7 years of property preservation and management. We have refrerences available upon request as well as photo's of work we have done. Our company motto is WE WORK FOR YOU . We put our customers needs first and treat everyone as if they were our first customer. I have customer's that have been with us for ten years or more and they know all they have to do is pick up the phone and we will be there to take care of them. Our ten employees and myself will do our very best to give you a honest experience that you will be happy to tell your friends about. We can also work out payment arraggements out with you on those large jobs so to help with your budget. If you tell your friend about us and we get a job from them you will get 20% off your next job.

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Energy Efficiency Auditing questions, answered by experts

R-value is calculated by dividing the thickness of an insulation material by its thermal conductivity. The material's composition and density influence thermal conductivity. Materials with lower conductivity values provide better insulation. The higher the R-value, the better the material is at insulating, helping homeowners select insulation that meets the energy needs of their climate and home layout.

Upgrade to double-glazed glass or apply energy-efficient coatings to reduce heat loss and utility costs.

The effect a gas fireplace has on your gas bill will depend on how often you use it, the size of the rooms you’re heating with it, and the BTUs of the fireplace itself, but generally speaking, it should only cost a few cents an hour to run it when it’s on. It will consume minimal energy when it’s “off” if you have a pilot light running constantly, but some modern gas fireplaces don’t require a constant pilot light.

Yes, energy-efficient windows really can make a difference. As long as energy-efficient windows are properly installed and maintained, they can reduce your energy bill and offer significant savings.

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.

The Collinsville, OK homeowners’ guide to energy efficiency auditing services

From average costs to expert advice, get all the answers you need to get your job done.