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  • Average homeowner rating star icon4.6
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  • Verified reviews icon31
    Verified energy efficiency auditing services reviews

Find Energy efficiency auditors in Oak Leaf

Avatar for Climate Doctors

Climate Doctors

4.80(
3,076
)
Approved Pro

Climate Doctors

4.80(
3,076
)
Approved Pro
Super Service Award
Customers say: True professional
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
19 years of experience

Climate Doctors is family owned & locally operated. We understand that taking care of your family is the number one priority. Climate Doctors was started to provide complete duct cleaning and energy efficient solutions to help consumer's homes have better air quality and a more efficient heating and air systems. Climate Doctors will do what it takes to do a complete cleaning & inspection of the duct work to assure unfiltered air from the attic is not entering into the home environment. Award Winning.

"Climate Doctors was great. Robin was amazing"

Karen N on August 2025

Climate Doctors is family owned & locally operated. We understand that taking care of your family is the number one priority. Climate Doctors was started to provide complete duct cleaning and energy efficient solutions to help consumer's homes have better air quality and a more efficient heating and air systems. Climate Doctors will do what it takes to do a complete cleaning & inspection of the duct work to assure unfiltered air from the attic is not entering into the home environment. Award Winning.

"Climate Doctors was great. Robin was amazing"

Karen N on August 2025


Avatar for Power Bros Solar by Don Harris

Power Bros Solar by Don Harris

New on AngiNew on Angi
Approved Pro

Power Bros Solar by Don Harris

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

Here at Power Bros Solar by Don Harris we take pride in our work! Customer satisfaction is the cornerstone of the way we conduct business, and strive to complete the perfect job every time. We will SHOCK you with our competitive pricing. Give us a call today for a FREE estimate!!!

Here at Power Bros Solar by Don Harris we take pride in our work! Customer satisfaction is the cornerstone of the way we conduct business, and strive to complete the perfect job every time. We will SHOCK you with our competitive pricing. Give us a call today for a FREE estimate!!!


Texas Air Pro

5.00(
116
)

Texas Air Pro

5.00(
116
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

A Christian Company: Our goal is to be servants for Jesus Christ doing all things as unto the Lord. We believe that all our customers are given to us by the Lord and will serve with Quality and Honesty. We are also Licensed and Insured in the state of Texas so you can rest assured our work will be Top Quality! H.V.A.C. sales, service, install, and maintainence. Accepts Master Card, Visa, Discover, Check, and Cash.

"Nick and Reese replaced our air conditioner in 107 degree weather! They were knowledgeable, professional, and explained everything that they did. My husband who works in the HVAC industry was very impressed with their high standards of workmanship and their mastery of the trade. It saved my husband from having to get in that oven of an attic! We will be recommending them to everyone we know."

Beverly F on August 2023

A Christian Company: Our goal is to be servants for Jesus Christ doing all things as unto the Lord. We believe that all our customers are given to us by the Lord and will serve with Quality and Honesty. We are also Licensed and Insured in the state of Texas so you can rest assured our work will be Top Quality! H.V.A.C. sales, service, install, and maintainence. Accepts Master Card, Visa, Discover, Check, and Cash.

"Nick and Reese replaced our air conditioner in 107 degree weather! They were knowledgeable, professional, and explained everything that they did. My husband who works in the HVAC industry was very impressed with their high standards of workmanship and their mastery of the trade. It saved my husband from having to get in that oven of an attic! We will be recommending them to everyone we know."

Beverly F on August 2023


Avatar for GreenWorks Inspections & Engineering

GreenWorks Inspections & Engineering

4.87(
244
)

GreenWorks Inspections & Engineering

4.87(
244
)
Customers say: Super punctual
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers

GreenWorks was founded in 2009 in Texas and is a woman owned small business specializing in peace of mind around real estate due diligence. GreenWorks provides Inspections, Structural Engineering and Environmental Testing Services for residential and commercial properties. Those services are geared around identifying deficiencies and potential future issues and our Home Solutions division offers a full process in prioritizing with our clients solutions to repair, renovate and increase performance to their most valuable asset. In August 2020, GreenWorks was awarded the rank of #1200 on the 2020 Inc. 5000 list, the most prestigious ranking of the nation’s fastest-growing private companies following up their 2019 Inc. 5000 ranking of #1595.

"My 11th month home inspection was completed by David Berryman. David demonstrated exceptional professionalism and attention to detail throughout the process. He was thorough in his inspection, making sure every area was checked and documented. David took the time to listen patiently and addressed each question I had. His ability to break down technical details into easy-to-understand language helped me learn more about my home. He also identified a few issues that might have been overlooked. His insights were valuable, and the inspection report was available in a timely manner."

Helen X on November 2025

GreenWorks was founded in 2009 in Texas and is a woman owned small business specializing in peace of mind around real estate due diligence. GreenWorks provides Inspections, Structural Engineering and Environmental Testing Services for residential and commercial properties. Those services are geared around identifying deficiencies and potential future issues and our Home Solutions division offers a full process in prioritizing with our clients solutions to repair, renovate and increase performance to their most valuable asset. In August 2020, GreenWorks was awarded the rank of #1200 on the 2020 Inc. 5000 list, the most prestigious ranking of the nation’s fastest-growing private companies following up their 2019 Inc. 5000 ranking of #1595.

"My 11th month home inspection was completed by David Berryman. David demonstrated exceptional professionalism and attention to detail throughout the process. He was thorough in his inspection, making sure every area was checked and documented. David took the time to listen patiently and addressed each question I had. His ability to break down technical details into easy-to-understand language helped me learn more about my home. He also identified a few issues that might have been overlooked. His insights were valuable, and the inspection report was available in a timely manner."

Helen X on November 2025


Avatar for Air Smart Systems

Air Smart Systems

5.00(
27
)

Air Smart Systems

5.00(
27
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

"COOLING TODAY.. OR, YOU DON'T PAY GUARANTEE"......, $49 Diagnostic Service Call..... Trane Air Conditioning Systems, Trane Master Comfort Consultant, Nest (Apple) Thermostat Certified Dealer, www.Facebook.com/AirSmartSystems www.Twitter.com/AirSmartSystems "18 month 0% Interest Financing" w.a.c., Visa, Master Card, Discover,

"Luis Esparaza and his crew replace 2 (upstairs and downstairs) complete HVAC systems with new duct work and insulation. 2 attic spaces and new return air vents. Very large job. They began spec'ing out the project 3 days prior and sent a crew of 8 and got the job done in one day. Excellent work, excellent crew and amazing service. We used Luis on a job previous with my mother-in-law's house and he went above and beyond on that project as well. Thanks Luis!"

MARK D on February 2023

"COOLING TODAY.. OR, YOU DON'T PAY GUARANTEE"......, $49 Diagnostic Service Call..... Trane Air Conditioning Systems, Trane Master Comfort Consultant, Nest (Apple) Thermostat Certified Dealer, www.Facebook.com/AirSmartSystems www.Twitter.com/AirSmartSystems "18 month 0% Interest Financing" w.a.c., Visa, Master Card, Discover,

"Luis Esparaza and his crew replace 2 (upstairs and downstairs) complete HVAC systems with new duct work and insulation. 2 attic spaces and new return air vents. Very large job. They began spec'ing out the project 3 days prior and sent a crew of 8 and got the job done in one day. Excellent work, excellent crew and amazing service. We used Luis on a job previous with my mother-in-law's house and he went above and beyond on that project as well. Thanks Luis!"

MARK D on February 2023


"Green Star Windows did an excellent job replacing our windows. Eric was very professional, wearing a mask at all times, completing the work on time, and leaving the area neat and clean. The windows are beautiful, updating our house instantly. He also replaced two doors for us after a timely recommendation of product. I highly recommend Eric and Green Star!"

Kim M on July 2020

Green Star Windows is here to serve. We never use subcontractors and have a no-haggle sales aproach. Call us or visit our website to schedule a free in home demonstration and get a quote.

"Green Star Windows did an excellent job replacing our windows. Eric was very professional, wearing a mask at all times, completing the work on time, and leaving the area neat and clean. The windows are beautiful, updating our house instantly. He also replaced two doors for us after a timely recommendation of product. I highly recommend Eric and Green Star!"

Kim M on July 2020


Avatar for Delta E Foam Construction

Delta E Foam Construction

5.00(
24
)

Delta E Foam Construction

5.00(
24
)
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

What Angie's List Members should know when calling us: We are an Insulation Company that provides custom insulation solutions. Clean and honest business every time. Please see our website for more information, documents, links and pictures. We listen to homeowners about concerns and goals, inspect or evaluate existing conditions, and send a detailed proposal. The proposals usually include some combination of the following: Loose-fill Insulation Options, Spray Foam Options, Ventilation recommendations, HVAC Issues and recommendations. We usually prioritized options with respect to ROI, percent of impact to comfort, or energy consumption/saving. Proudly serving in and around Wylie, Plano, Denton, Flower Mound, Highland Park, Rockwall, Greenville, Frisco, Dallas, and Fort Worth, TX.

What Angie's List Members should know when calling us: We are an Insulation Company that provides custom insulation solutions. Clean and honest business every time. Please see our website for more information, documents, links and pictures. We listen to homeowners about concerns and goals, inspect or evaluate existing conditions, and send a detailed proposal. The proposals usually include some combination of the following: Loose-fill Insulation Options, Spray Foam Options, Ventilation recommendations, HVAC Issues and recommendations. We usually prioritized options with respect to ROI, percent of impact to comfort, or energy consumption/saving. Proudly serving in and around Wylie, Plano, Denton, Flower Mound, Highland Park, Rockwall, Greenville, Frisco, Dallas, and Fort Worth, TX.


Avatar for Energy Attic

Energy Attic

4.90(
31
)

Energy Attic

4.90(
31
)
Customers say: True professional
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Energy Attic, a consulting company for energy efficiency upgrades for residential or commercial. Our client's homes and offices are more energy efficient and save money. We specialize in foil radiant barrier, blown-in fiberglass insulation, and ventilation as a proven 3 part Energy Reduction System which will save you up to 40% on your utility costs. These home improvement upgrades will pay for themselves in energy savings and then continue to save you money as long as you live there. Energy tax credits are available through 2011. We have extensive construction experience and have a proven track record of installed clients. We will be happy to give you customer references. The radiant barrier we use is made from 99% aluminum foil and is 97% reflective - the highest reflectivity available. It is non toxic, has no fumes or off gassing and will not have to be reapplied over time. It can reduce your attic temperatures up to 40-50 degrees in the summer months and keep the heat from escaping during the winter months. We engineer our installations for each home to maximize air flow and heat reduction. We offer fiberglass blown in and batt insulation. We use premium insulation - Johns Manville Climate Pro. It has a lifetime guarantee against settling and does not deteriorate like many products. It is made from 25% recycled glass products and contains no formaldehyde. We also offer insulation removal services for fires, floods or contaminated insulation. The third component is ventilation. Solar fans are excellent because they actively remove hot air and moisture from your attic without using any electricity. They are extremely quiet and can withstand brutal Texas weather. We use Sunrise Solar Attic fans which are made in the USA and have an excellent warranty. Our estimates are free so call us now to start saving!

"As expected. Part was under warranty, but had to pay for Freon and labor. Everything is fixed and cooling again."

Matt C on October 2021

Energy Attic, a consulting company for energy efficiency upgrades for residential or commercial. Our client's homes and offices are more energy efficient and save money. We specialize in foil radiant barrier, blown-in fiberglass insulation, and ventilation as a proven 3 part Energy Reduction System which will save you up to 40% on your utility costs. These home improvement upgrades will pay for themselves in energy savings and then continue to save you money as long as you live there. Energy tax credits are available through 2011. We have extensive construction experience and have a proven track record of installed clients. We will be happy to give you customer references. The radiant barrier we use is made from 99% aluminum foil and is 97% reflective - the highest reflectivity available. It is non toxic, has no fumes or off gassing and will not have to be reapplied over time. It can reduce your attic temperatures up to 40-50 degrees in the summer months and keep the heat from escaping during the winter months. We engineer our installations for each home to maximize air flow and heat reduction. We offer fiberglass blown in and batt insulation. We use premium insulation - Johns Manville Climate Pro. It has a lifetime guarantee against settling and does not deteriorate like many products. It is made from 25% recycled glass products and contains no formaldehyde. We also offer insulation removal services for fires, floods or contaminated insulation. The third component is ventilation. Solar fans are excellent because they actively remove hot air and moisture from your attic without using any electricity. They are extremely quiet and can withstand brutal Texas weather. We use Sunrise Solar Attic fans which are made in the USA and have an excellent warranty. Our estimates are free so call us now to start saving!

"As expected. Part was under warranty, but had to pay for Freon and labor. Everything is fixed and cooling again."

Matt C on October 2021


Avatar for ENERGY ATTIC USA

ENERGY ATTIC USA

5.00(
26
)

ENERGY ATTIC USA

5.00(
26
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Energy Attic USA, a top consulting company for energy efficiency upgrades for residential or commercial. Our client's homes and offices are more energy efficient and save money. We specialize in foil radiant barrier, blown-in fiberglass insulation, and ventilation as a proven 3 part Energy Reduction System which will save you up to 40% on your utility costs. These home improvement upgrades will pay for themselves in energy savings and then continue to save you money as long as you live there. Energy tax credits for solar ventilation are available through 2016, We have extensive construction experience and have a proven track record of installed clients. We will be happy to give you customer references. The radiant barrier we use is made from 99% aluminum foil and is 95% reflective - the highest reflectivity available. It is non toxic, has no fumes or off gassing and will not have to be reapplied over time. It can reduce your attic temperatures up to 40-50 degrees in the summer months and keep the heat from escaping during the winter months. We engineer our installations for each home to maximize air flow and heat reduction. We offer fiberglass blown in and batt insulation. We use premium insulation - Johns Manville Climate Pro. It has a lifetime guarantee against settling and does not deteriorate like many products. It is made from 25% recycled glass products and contains no formaldehyde. We also offer insulation removal services for fires, floods or contaminated insulation. The third component is ventilation. Solar fans are excellent because they actively remove hot air and moisture from your attic without using any electricity. They are extremely quiet and can withstand brutal Texas weather. We use Solar Royal solar fans which is Texas based company and they have up to a lifetime warranty for residential use. Our estimates are free so call us now to start saving! For San Antonio - 210-587-7454. For Austin - 512-535-5466. For Houston - 832-476-3821

Energy Attic USA, a top consulting company for energy efficiency upgrades for residential or commercial. Our client's homes and offices are more energy efficient and save money. We specialize in foil radiant barrier, blown-in fiberglass insulation, and ventilation as a proven 3 part Energy Reduction System which will save you up to 40% on your utility costs. These home improvement upgrades will pay for themselves in energy savings and then continue to save you money as long as you live there. Energy tax credits for solar ventilation are available through 2016, We have extensive construction experience and have a proven track record of installed clients. We will be happy to give you customer references. The radiant barrier we use is made from 99% aluminum foil and is 95% reflective - the highest reflectivity available. It is non toxic, has no fumes or off gassing and will not have to be reapplied over time. It can reduce your attic temperatures up to 40-50 degrees in the summer months and keep the heat from escaping during the winter months. We engineer our installations for each home to maximize air flow and heat reduction. We offer fiberglass blown in and batt insulation. We use premium insulation - Johns Manville Climate Pro. It has a lifetime guarantee against settling and does not deteriorate like many products. It is made from 25% recycled glass products and contains no formaldehyde. We also offer insulation removal services for fires, floods or contaminated insulation. The third component is ventilation. Solar fans are excellent because they actively remove hot air and moisture from your attic without using any electricity. They are extremely quiet and can withstand brutal Texas weather. We use Solar Royal solar fans which is Texas based company and they have up to a lifetime warranty for residential use. Our estimates are free so call us now to start saving! For San Antonio - 210-587-7454. For Austin - 512-535-5466. For Houston - 832-476-3821


Avatar for Tradesman Services Ltd

Tradesman Services Ltd

4.83(
72
)

Tradesman Services Ltd

4.83(
72
)
Customers say: True professional
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers

Tradesman Services, LTD is a full service air conditioning, heating and plumbing contractor. We service, install and maintain all types of heating and air conditioning equipment and plumbing systems . Helping you with energy efficient, green solutions to all your mechanical needs is our specialty. Designing systems up front, implementing those designs then commissioning the operation of the project to certify 90% or better of the manufacturers ratings is what sets us apart. You get what you paid for. We service a 100 mile radius around Waco, TX. Diagnostic fees are based on location. Award wining.

Tradesman Services, LTD is a full service air conditioning, heating and plumbing contractor. We service, install and maintain all types of heating and air conditioning equipment and plumbing systems . Helping you with energy efficient, green solutions to all your mechanical needs is our specialty. Designing systems up front, implementing those designs then commissioning the operation of the project to certify 90% or better of the manufacturers ratings is what sets us apart. You get what you paid for. We service a 100 mile radius around Waco, TX. Diagnostic fees are based on location. Award wining.

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Energy Efficiency Auditing questions, answered by experts

Hawaii is currently rated as the most expensive state for utilities. How much are utilities for a house in Hawaii? With electricity costs in Hawaii totaling nearly 42 cents per kilowatt-hour, residents are paying more to run their households than any other residents. Electricity costs in Hawaii are so high, mostly due to the fact that most of the electricity available to residents is produced using oil that must be shipped in from other places.

Audits include inspecting insulation, HVAC systems, windows, and appliances to identify energy inefficiencies.

Yes, skylights can affect a home’s energy efficiency, either positively or negatively. Properly installed, energy-efficient skylights with Low-E coatings, double glazing, and UV-blocking glass can help regulate indoor temperatures and reduce heating and cooling costs. However, poorly insulated or older skylights can contribute to heat loss in winter and excess heat gain in summer, lowering overall energy efficiency.

There is no blanket figure for a residential home’s electrical load, since load varies by the size of the home, how many appliances are used, and the efficiency of their electrical systems. Typically, however, it’s safe to assume 40 to 60 amps is the average electrical load of a residential home. 

Insulation is measured by R-value, which is the measure of a material's ability to resist heat transfer. The higher the number, the better the insulation. When installing insulation yourself, you need to determine the optimal R-value you need to keep your home warm in the wintertime, cool in the heat of summer, and energy-efficient all year long. Each inch of insulation provides between a 3 and an 8 R-value. The climate where you live plays a major role in what R-value you need and the price tag you might see in your insulation installation.

The Oak Leaf, TX homeowners’ guide to energy efficiency auditing services

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