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  • Verified reviews icon13
    Verified energy efficiency auditing services reviews

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"Good people. Good work. Reasonable price."

Joe W on November 2025

Our mission is to provide superior quality insulation products and services that dramatically enhance our customer's quality to life by making their homes safer, quieter, more comfortable, and less expensive to operate.

"Good people. Good work. Reasonable price."

Joe W on November 2025


Avatar for Interstate Heating & Air Conditioning

Interstate Heating & Air Conditioning

4.70(
431
)

Interstate Heating & Air Conditioning

4.70(
431
)
Customers say: Super punctual
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers

HEATING AND AIR CONDITIONING SERVICE, REPAIR , INSTALLATION, AND DUCT CLEANING. We are the home of the FREE 2nd opinion. We also give FREE estimates on replacement of Heating and Air conditioning. We never charge overtime fees, and we are available 24 hours a day 7 days a week. Our technicians are background checked, drug tested, and fully licensed. Interstate offers superior duct cleaning services and energy saving insulation. We have a 100% satisfaction guarantee. Call us today. You'll be glad you did.

"I been very happy with them. No complaints."

Dow D on June 2019

HEATING AND AIR CONDITIONING SERVICE, REPAIR , INSTALLATION, AND DUCT CLEANING. We are the home of the FREE 2nd opinion. We also give FREE estimates on replacement of Heating and Air conditioning. We never charge overtime fees, and we are available 24 hours a day 7 days a week. Our technicians are background checked, drug tested, and fully licensed. Interstate offers superior duct cleaning services and energy saving insulation. We have a 100% satisfaction guarantee. Call us today. You'll be glad you did.

"I been very happy with them. No complaints."

Dow D on June 2019


"Excellent. Our older home (80 years) has been built on to three times by previous owners and has a wonky attic space(s). Josh did a great job figuring out how to blow in the material evenly throughout. His pictures clearly showed "before and after" -- great job. Excellent service, fair pricing -- would recommend to anyone."

Mark J on April 2021

**WE SPECIALIZE IN BLOW IN FIBERGLASS INSULTATION.** Call us today to discuss your project! Currently we do not have the equipment to do spray foam insulation.

"Excellent. Our older home (80 years) has been built on to three times by previous owners and has a wonky attic space(s). Josh did a great job figuring out how to blow in the material evenly throughout. His pictures clearly showed "before and after" -- great job. Excellent service, fair pricing -- would recommend to anyone."

Mark J on April 2021


Avatar for Gatlin Heat and Air

Gatlin Heat and Air

4.74(
19
)

Gatlin Heat and Air

4.74(
19
)
Customers say: Super punctual
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers

We provide Heating and Air Conditioning Service, Repairs and Installation. As well as Electrical Service, Repairs and Installation. Oklahoma Mechanical Contractor License #098756. Oklahoma Electrical Contractor License #085570.

"Furnace repair"

Grace H on October 2020

We provide Heating and Air Conditioning Service, Repairs and Installation. As well as Electrical Service, Repairs and Installation. Oklahoma Mechanical Contractor License #098756. Oklahoma Electrical Contractor License #085570.

"Furnace repair"

Grace H on October 2020


Avatar for Bailey Brothers Plumbing Heating and AC

Bailey Brothers Plumbing Heating and AC

4.34(
53
)

Bailey Brothers Plumbing Heating and AC

4.34(
53
)
Customers say: Quick response
1976 years of experience

Bailey Brothers has been in business for 39 years specializing in Residential and Commercial Heating, Air Conditioning, Indoor Air Purification, Plumbing, Water Well, and Water Filtration Installation, maintenance contracts, and demand service. We work on all types of residential properties, state properties, business locations, oil and gas drilling company expansion and remodel work. • Heating and Air conditioning. All types of demand service on all brands, energy saving service agreements. Replacement equipment Bryant, Carrier, Trane. • Plumbing. Services include slab leak detection and repair. Sewer and drain cleaning using video inspections and electronic locators to determine if replacement or repair of sewer is necessary. Complete excavation services for sewer and water service replacement. Water heater tanks and tankless heaters. Water filtration and water well service and installation. • Indoor air Purification. duct cleaning and sanitizing, uv cleansing, electronic air filters with many other indoor air products offered. Up front pricing with repair options.

"Bailey Brother’s replaced the blower motor in our AC February 2021. Bracket on the motor broke over the weekend and caused the motor to be free spinning. We replaced the bracket to get through the weekend. Motor went out this afternoon again. Tech came out, told us the blower motor would be $1090 to install. Quoted us $4800 for a whole new internal unit. We had a blower motor we had from a friend, had tech wire it so that we could use that for the time being, cost us $135 for that and when we turned on the AC, it’s turns out the tech did not wire it correctly because it would not turn on. Husband called tech and he was told they would not come back out unless we bought the $1090 motor. We went to Durham’s on the south side of OKC, got the blower motor for $306 plus tax and a quote for the whole unit $1600. Office states their price includes installation. That would be $784 for installation of the blower motor and $3200 for the full unit."

Danny H on July 2022

Bailey Brothers has been in business for 39 years specializing in Residential and Commercial Heating, Air Conditioning, Indoor Air Purification, Plumbing, Water Well, and Water Filtration Installation, maintenance contracts, and demand service. We work on all types of residential properties, state properties, business locations, oil and gas drilling company expansion and remodel work. • Heating and Air conditioning. All types of demand service on all brands, energy saving service agreements. Replacement equipment Bryant, Carrier, Trane. • Plumbing. Services include slab leak detection and repair. Sewer and drain cleaning using video inspections and electronic locators to determine if replacement or repair of sewer is necessary. Complete excavation services for sewer and water service replacement. Water heater tanks and tankless heaters. Water filtration and water well service and installation. • Indoor air Purification. duct cleaning and sanitizing, uv cleansing, electronic air filters with many other indoor air products offered. Up front pricing with repair options.

"Bailey Brother’s replaced the blower motor in our AC February 2021. Bracket on the motor broke over the weekend and caused the motor to be free spinning. We replaced the bracket to get through the weekend. Motor went out this afternoon again. Tech came out, told us the blower motor would be $1090 to install. Quoted us $4800 for a whole new internal unit. We had a blower motor we had from a friend, had tech wire it so that we could use that for the time being, cost us $135 for that and when we turned on the AC, it’s turns out the tech did not wire it correctly because it would not turn on. Husband called tech and he was told they would not come back out unless we bought the $1090 motor. We went to Durham’s on the south side of OKC, got the blower motor for $306 plus tax and a quote for the whole unit $1600. Office states their price includes installation. That would be $784 for installation of the blower motor and $3200 for the full unit."

Danny H on July 2022


Avatar for Comfort Airworks L.L.C

Comfort Airworks L.L.C

5.00(
7
)

Comfort Airworks L.L.C

5.00(
7
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

$79 tune-ups and Service Calls 7 Days a week! You pay by the job and not by the hour! I have the experience and dedication to assist with all of your residential central heating and cooling services and repairs! I guarantee your satisfaction and we won’t leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Check out our services offered and call or click to schedule your service or repair today!

"Absolutely perfect. Came quickly. Replaced efficiently. Very knowledgeable and trustworthy. Will use him again for any future issues."

Freddie S on July 2020

$79 tune-ups and Service Calls 7 Days a week! You pay by the job and not by the hour! I have the experience and dedication to assist with all of your residential central heating and cooling services and repairs! I guarantee your satisfaction and we won’t leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Check out our services offered and call or click to schedule your service or repair today!

"Absolutely perfect. Came quickly. Replaced efficiently. Very knowledgeable and trustworthy. Will use him again for any future issues."

Freddie S on July 2020


Avatar for Oklahoma Air Conditioning Inc

Oklahoma Air Conditioning Inc

3.94(
18
)

Oklahoma Air Conditioning Inc

3.94(
18
)
Customers say: Super punctual
1988 years of experience

Locally and family owned and operated. 24 hour 7 days a week emergency service is available. We are a flat rate pricing company.Oklahoma Air is a Trane Comfort Specialist™. This certification is only awarded to an elite group of dealers that meet Trane's stringent standards and demonstrate a commitment to customer satisfaction and continuous training. We service all central heating and air brands, and install Trane products.

"Mark and his crew installed my AC and heating unit 12 years ago and I have had them perform the yearly inspections every year since then. They have always been very friendly and helpful with excellent service. Oklahoma Air is a company you can trust."

Patrick P on July 2019

Locally and family owned and operated. 24 hour 7 days a week emergency service is available. We are a flat rate pricing company.Oklahoma Air is a Trane Comfort Specialist™. This certification is only awarded to an elite group of dealers that meet Trane's stringent standards and demonstrate a commitment to customer satisfaction and continuous training. We service all central heating and air brands, and install Trane products.

"Mark and his crew installed my AC and heating unit 12 years ago and I have had them perform the yearly inspections every year since then. They have always been very friendly and helpful with excellent service. Oklahoma Air is a company you can trust."

Patrick P on July 2019


"They were competent and did a good job. After work, they cleaned everything, and I will suggest them."

Teresa C on November 2022

Retrofit tri-polymer foam insulation into the walls of existing homes. We also do blow-in insulation into attics

"They were competent and did a good job. After work, they cleaned everything, and I will suggest them."

Teresa C on November 2022


Advantage Heat & Air

3.88(
8
)

Advantage Heat & Air

3.88(
8
)
Customers say: Super punctual
1985 years of experience

Family owned and operated ,we accept all major credit cards ,checks and cash with great financing options.5% off installation or service call with mention of this ad.

"Did a lot of shopping this company was best price by far install was very nice and neat they even come back for free and called me to service my system they actually care about there customers and will go far and beyond to help u"

Alissa M on November 2023

Family owned and operated ,we accept all major credit cards ,checks and cash with great financing options.5% off installation or service call with mention of this ad.

"Did a lot of shopping this company was best price by far install was very nice and neat they even come back for free and called me to service my system they actually care about there customers and will go far and beyond to help u"

Alissa M on November 2023


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.

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Energy Efficiency Auditing questions, answered by experts

Blower door tests are measured in a few different ways, but the most popular are air changes per hour (ACH) and cubic feet of air (CFM) moving through the house per hour. A good ACH score is less than 2ACH, but 1ACH is better. This means the house experiences a total air change within 60 minutes (for 1ACH). For 2ACH, there’s a complete change every 30 minutes, and so on. CFM scores are similar in that a lower score means less air change, and therefore less leakage.

The answer is a resounding yes, as dishwashers save significant water and energy compared to washing dishes by hand. The difference is so drastic in fact that those who use energy-efficient dishwashers can expect savings of over $450 per year. This is because dishwashers use less water, they wash at a higher temperature than a hand rinse, and you don’t need to rinse them after washing. New dishwashers use around 4 gallons per load, whereas washing by hand can use up to 2 gallons per minute.

Yes, installing an attic fan can help lower your electric bill—particularly if you live in a hot and humid region. By replacing hot and stuffy air with cooler air, these fans help regulate the temperature in your attic and the rest of your home, taking some of the pressure off of your air conditioner.

Yes, energy-efficient options such as LEDs and solar-powered lights are available. These alternatives consume less electricity, resulting in lower utility costs. They are also more environmentally friendly due to their reduced carbon footprint and longer lifespan.

STC (Sound Transmission Class) ratings tell you how well something blocks airborne noise. It’s a single number that sums up how much sound a material, like a window, can stop across regular speech frequencies. The higher the number, the better the sound reduction. A typical single-pane window hovers around STC 25 (where you can hear normal conversations), while well-sealed, double-pane options can push past STC 45 (which blocks out loud speech and most music). Just keep in mind that STC doesn’t cover everything—low rumbles like bass or thunder can sneak through—so pairing methods are always ideal for the most peace and quiet.

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

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