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  • Verified reviews icon26
    Verified energy efficiency auditing services reviews

Find Energy efficiency auditors in Round Rock

Standard Renewable Energy

3.67(
3
)
Approved Pro

Standard Renewable Energy

3.67(
3
)
Approved Pro
Customers say: Quality work
2006 years of experience
Free onsite estimate

Standard Renewable Energy, provides energy efficiency and renewable energy solutions that help customers lower energy bills, reduce their environmental impact and increase their energy independence.

"They were friendly, honest (so many other contractors outright lie to you), accurate with their bid, prompt with keeping the installation appointment and thorough from the initial contact to the completion of the job. Service rep followed up with an inspection after the job was complete. Only 2 things I could say were slightly annoying were the screws left on the garage floor (but I was expecting some anyway from a previous contractor's work) and the fact that the sales rep did not deliver the rebate forms until it was almost too late to claim the rebate."

Marie J on June 2010

Standard Renewable Energy, provides energy efficiency and renewable energy solutions that help customers lower energy bills, reduce their environmental impact and increase their energy independence.

"They were friendly, honest (so many other contractors outright lie to you), accurate with their bid, prompt with keeping the installation appointment and thorough from the initial contact to the completion of the job. Service rep followed up with an inspection after the job was complete. Only 2 things I could say were slightly annoying were the screws left on the garage floor (but I was expecting some anyway from a previous contractor's work) and the fact that the sales rep did not deliver the rebate forms until it was almost too late to claim the rebate."

Marie J on June 2010


Avatar for A-PLUS INSPECTION SERVICES, Since 1967

A-PLUS INSPECTION SERVICES, Since 1967

5.00(
72
)

A-PLUS INSPECTION SERVICES, Since 1967

5.00(
72
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Texas' Foremost Inspection Company, Since 1967 Board-Certified, Award-Winning, Professional Inspection Services INSPECTORS - GRADUATE ENGINEERS - BUILDERS - CONSULTANTS - FORENSICS - THERMAL IMAGING - EXPERT WITNESSES www.BestAustinInspectors.com

"Chris was very professional, thorough and provided excellent, friendly service. His report covered a lot all aspects of the process, and there are many minor observations covered in the report that will help to work on on-going maintenance of the house to give it longevity and prevent future issues with the property. Highly recommend that any prospective buyer takes his services."

VIKAS G on September 2021

Texas' Foremost Inspection Company, Since 1967 Board-Certified, Award-Winning, Professional Inspection Services INSPECTORS - GRADUATE ENGINEERS - BUILDERS - CONSULTANTS - FORENSICS - THERMAL IMAGING - EXPERT WITNESSES www.BestAustinInspectors.com

"Chris was very professional, thorough and provided excellent, friendly service. His report covered a lot all aspects of the process, and there are many minor observations covered in the report that will help to work on on-going maintenance of the house to give it longevity and prevent future issues with the property. Highly recommend that any prospective buyer takes his services."

VIKAS G on September 2021


"Daniel H. Did an amazing job on our new home inspection. He arrived on time, and we met with him at the end of his process. He went through the entire home - top to bottom and has the pictures to prove that he even went on top of the roof. He met with us, and showed each of the areas that had issues and patiently explained the issue and recommended repairs. He even found out that our dishwasher wasn’t connected properly. He answered all of our questions and we never had the impression that he was in a rush. It was an afternoon inspection, and it ran a little late due to our questions. We feel more prepared to move into our home knowing what to look for and to be sure that repairs have been made. THANKS DANIEL for a great job. WE really appreciate it."

Joann O on March 2018

DBL Check LLC specializes in Home, Mold and Termite Inspections.

"Daniel H. Did an amazing job on our new home inspection. He arrived on time, and we met with him at the end of his process. He went through the entire home - top to bottom and has the pictures to prove that he even went on top of the roof. He met with us, and showed each of the areas that had issues and patiently explained the issue and recommended repairs. He even found out that our dishwasher wasn’t connected properly. He answered all of our questions and we never had the impression that he was in a rush. It was an afternoon inspection, and it ran a little late due to our questions. We feel more prepared to move into our home knowing what to look for and to be sure that repairs have been made. THANKS DANIEL for a great job. WE really appreciate it."

Joann O on March 2018


Avatar for Square House

Square House

4.93(
57
)

Square House

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

At our core we are home inspectors and energy auditors. However, in the field we are house detectives, educators and consultants who empower homeowners with accurate and easy to understand information. Square House has been a leader in Austin Texas home inspections and energy audits for over 5 years. Justin is a fourth generation builder and an expert in home improvement, energy efficiency and property inspections.

"Justin "found" numerous things to complain about on our house. There were a few things that he was right about, but most of it was trumped up. Keeping in mind that his job is to find things wrong, so that buyers can dicker with sellers, he's doing great (sarcasm intended). Here are some examples: 1. The yard has a downgrade that "could lead to flooding". We are the first house on the top of the hill. There's no chance of flooding. 2. "Possible termite damage". There has never been termites on this property. It is all brick. Termites are now eating brick for breakfast? 3. "Possible Rodent Infestation", which he based on the fact that attic insulation appears to be moved around. This is because we have a lot of blown in insulation. It's not supposed to be flat. Not rodent issues. 4. He said our water heater didn’t pass inspection. We just had the piping replaced this past spring, and it passed inspection then. It was inspected by a professional, and we have the paperwork to prove it. Trumping up make believe problems is unprofessional and demonstrates a total lack of integrity. If you're a buyer looking to screw over sellers, I'd recommend him. If you prefer to know the truth......Steer Clear!"

jason h on October 2018

At our core we are home inspectors and energy auditors. However, in the field we are house detectives, educators and consultants who empower homeowners with accurate and easy to understand information. Square House has been a leader in Austin Texas home inspections and energy audits for over 5 years. Justin is a fourth generation builder and an expert in home improvement, energy efficiency and property inspections.

"Justin "found" numerous things to complain about on our house. There were a few things that he was right about, but most of it was trumped up. Keeping in mind that his job is to find things wrong, so that buyers can dicker with sellers, he's doing great (sarcasm intended). Here are some examples: 1. The yard has a downgrade that "could lead to flooding". We are the first house on the top of the hill. There's no chance of flooding. 2. "Possible termite damage". There has never been termites on this property. It is all brick. Termites are now eating brick for breakfast? 3. "Possible Rodent Infestation", which he based on the fact that attic insulation appears to be moved around. This is because we have a lot of blown in insulation. It's not supposed to be flat. Not rodent issues. 4. He said our water heater didn’t pass inspection. We just had the piping replaced this past spring, and it passed inspection then. It was inspected by a professional, and we have the paperwork to prove it. Trumping up make believe problems is unprofessional and demonstrates a total lack of integrity. If you're a buyer looking to screw over sellers, I'd recommend him. If you prefer to know the truth......Steer Clear!"

jason h on October 2018


Avatar for McCullough Heating & Air Conditioning

McCullough Heating & Air Conditioning

4.70(
255
)

McCullough Heating & Air Conditioning

4.70(
255
)
Customers say: Super punctual
1977 years of experience

McCullough has been providing expert air conditioning and heating services in Austin, Texas for over 30 years. We not only make your home more comfortable, our state-of-the-art system can save you up to 50% on heating and cooling costs. Count on McCullough for expert solutions to your heating and cooling problems. Family owned & operated .

"Called to have my AC check for the year they said they don't do AC checks anymore for the year only heating but they said if I'll pay them an extra 50 bucks on top of the $149 they'll be glad to check it"

Alan W on September 2025

McCullough has been providing expert air conditioning and heating services in Austin, Texas for over 30 years. We not only make your home more comfortable, our state-of-the-art system can save you up to 50% on heating and cooling costs. Count on McCullough for expert solutions to your heating and cooling problems. Family owned & operated .

"Called to have my AC check for the year they said they don't do AC checks anymore for the year only heating but they said if I'll pay them an extra 50 bucks on top of the $149 they'll be glad to check it"

Alan W on September 2025


Avatar for Precision Heating & Air LLC

Precision Heating & Air LLC

4.66(
767
)

Precision Heating & Air LLC

4.66(
767
)
Customers say: Super punctual
2006 years of experience

COVID-19 UPDATE: Precision is following all CDC safety guidelines, yours and our safety is our #1 priority! Our techs will show up to your home, wearing face masks, rubber gloves and one time use shoe covers! Looking for Air Conditioning Repair in Austin, Texas – AC Repair? Then you've come to the right place, Precision Heating & Air Conditioning provides the highest quality Air Conditioning and Heating Repair (HVACR) in the greater Austin, TX area. Our NATE certified technicians are experts in the latest Air Conditioning technologies and innovations in Energy Efficient Air Conditioning installations. Our valued customers have come to depend on our expertise for timely and affordable solutions to all their Air Conditioning Repair, Heating Repair, and Air Conditioning Maintenance needs. We never have an after hours fee. We do not offer service to Manor, TX.

"I used precision about four years ago and had good experience previously. It seems bought by Fox service. Their service is too pricey to afford from my experience yesterday. I guessed my ac has an evaporator coil leak since my another same model ac had this issue four years ago. It took the technician ~10 minutes to conclude coil leaking and he charged me $359. He quoted $4,349 for replacing the coil. I later got another quote $1,480 from another company. What a rip off!"

LEI H on February 2024

COVID-19 UPDATE: Precision is following all CDC safety guidelines, yours and our safety is our #1 priority! Our techs will show up to your home, wearing face masks, rubber gloves and one time use shoe covers! Looking for Air Conditioning Repair in Austin, Texas – AC Repair? Then you've come to the right place, Precision Heating & Air Conditioning provides the highest quality Air Conditioning and Heating Repair (HVACR) in the greater Austin, TX area. Our NATE certified technicians are experts in the latest Air Conditioning technologies and innovations in Energy Efficient Air Conditioning installations. Our valued customers have come to depend on our expertise for timely and affordable solutions to all their Air Conditioning Repair, Heating Repair, and Air Conditioning Maintenance needs. We never have an after hours fee. We do not offer service to Manor, TX.

"I used precision about four years ago and had good experience previously. It seems bought by Fox service. Their service is too pricey to afford from my experience yesterday. I guessed my ac has an evaporator coil leak since my another same model ac had this issue four years ago. It took the technician ~10 minutes to conclude coil leaking and he charged me $359. He quoted $4,349 for replacing the coil. I later got another quote $1,480 from another company. What a rip off!"

LEI H on February 2024


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.


Avatar for Austin Refrigeration & Air Conditioning

Austin Refrigeration & Air Conditioning

4.68(
91
)

Austin Refrigeration & Air Conditioning

4.68(
91
)
Customers say: Terrific value
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers

Austin Refrigeration is a locally owned heating and air conditioning company dedicated to priority service and cost efficient repairs. We offer free estimates and free second opinions. We have spent the last 25 years focusing on customer service and satisfaction. Our number one goal is to earn a referral. With that goal in mind, each of our customers are our number one priority. Expedited and emergency services are available to families with small children, senior citizens, people with illness and the disabled without emergency fees. Our Technicians are all certified and registered with the State of Texas, as well as EPA certified. We have many specials running, for example, $4,999.00 for a 3 Ton complete system install and $69.95 A/C or Heating Tune-Ups. We have different financing options catered around your needs, making purchasing easy and affordable. Serving all of Central Texas.

"Great company!!! They are busy, we all are but they made me feel like a priority. They texted me when I called immediately to let me know they were with a customer and would call right back and called be back within 5 mins. Even with the weather event they were able to fix my system and get me back up and running!! Parker was so patient and amazing! He took his time and explained everything to me! He also was willing to troubleshoot before just saying things needed to be replaced or the whole system needed to be replaced. They did exactly what was needed and got me fixed right away!! I will be using them again and I recommend you do as well! Tell your friends and family because this is a top tier company and they are lucky to have Parker!"

Martha C on January 2025

Austin Refrigeration is a locally owned heating and air conditioning company dedicated to priority service and cost efficient repairs. We offer free estimates and free second opinions. We have spent the last 25 years focusing on customer service and satisfaction. Our number one goal is to earn a referral. With that goal in mind, each of our customers are our number one priority. Expedited and emergency services are available to families with small children, senior citizens, people with illness and the disabled without emergency fees. Our Technicians are all certified and registered with the State of Texas, as well as EPA certified. We have many specials running, for example, $4,999.00 for a 3 Ton complete system install and $69.95 A/C or Heating Tune-Ups. We have different financing options catered around your needs, making purchasing easy and affordable. Serving all of Central Texas.

"Great company!!! They are busy, we all are but they made me feel like a priority. They texted me when I called immediately to let me know they were with a customer and would call right back and called be back within 5 mins. Even with the weather event they were able to fix my system and get me back up and running!! Parker was so patient and amazing! He took his time and explained everything to me! He also was willing to troubleshoot before just saying things needed to be replaced or the whole system needed to be replaced. They did exactly what was needed and got me fixed right away!! I will be using them again and I recommend you do as well! Tell your friends and family because this is a top tier company and they are lucky to have Parker!"

Martha C on January 2025

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Energy Efficiency Auditing questions, answered by experts

Provide utility bills and clear access to all areas of the home, including the attic and basement.

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.

ENERGY STAR®-certified windows are the most energy-efficient windows on the market. This certification means that the window meets strict efficiency guidelines set forth by the Environmental Protection Agency. While they might cost more upfront, they can save you money on your energy bills in the long run. ENERGY STAR®-certified windows lower household energy bills by an average of 12% annually.

When combined with a substantial solar system, if you have enough Powerwalls, you could go off-grid and be energy independent. But remember, you'd need enough Powerwalls to power your whole home continuously because a single Powerwall can’t power large appliances for extended periods. One Powerwall is able to power an average-sized home's emergency circuits, lights, and outlets. To power large appliances, you likely need two or three Powerwalls.

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.

The Round Rock, TX homeowners’ guide to energy efficiency auditing services

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