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Efficiency 1st

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Efficiency 1st

No reviews yet
3 years of experience

Welcome to Efficiency 1st, your trusted partner in creating a more comfortable, healthier, and energy-efficient home. Our team's deep expertise in building science, coupled with a commitment to sustainability, enables us to take a holistic, performance-based approach to your home's energy retrofit needs. Whether you're looking to enhance your indoor air quality, improve your home's insulation, or simply wish to lower your energy bills, we're here to guide you every step of the way. Together, let's unlock the potential of your home and contribute to a more sustainable future.

Welcome to Efficiency 1st, your trusted partner in creating a more comfortable, healthier, and energy-efficient home. Our team's deep expertise in building science, coupled with a commitment to sustainability, enables us to take a holistic, performance-based approach to your home's energy retrofit needs. Whether you're looking to enhance your indoor air quality, improve your home's insulation, or simply wish to lower your energy bills, we're here to guide you every step of the way. Together, let's unlock the potential of your home and contribute to a more sustainable future.


Avatar for RSS Solar

RSS Solar

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RSS Solar

No reviews yet
Free onsite estimate

We make solar simple-- We are dedicated to making solar energy affordable and accessible to everyone-- with ZERO upfront costs.* Your home can become its own tiny power station and generate plenty of reliable energy, all while reducing your electricity bill. Plus, it doesn't hurt that your greener lifestyle will help your state achieve its renewable energy goals.

We make solar simple-- We are dedicated to making solar energy affordable and accessible to everyone-- with ZERO upfront costs.* Your home can become its own tiny power station and generate plenty of reliable energy, all while reducing your electricity bill. Plus, it doesn't hurt that your greener lifestyle will help your state achieve its renewable energy goals.


Avatar for RetroFoam of the Carolinas

RetroFoam of the Carolinas

5.00(
4
)

RetroFoam of the Carolinas

5.00(
4
)
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

RetroFoam of the Carolinas is an insulation contractor that provides injection and open and closed cell spray foam insulating solutions for existing homes, new homes, and pole barns across the Carolinas and Virginia. Our mission is to help homeowners minimize their energy waste and create more energy-efficient, healthy, quieter homes. RetroFoam of the Carolinas is operated by a fun-loving team of construction professionals with over 25 years of experience in the industry. The team comprises service-minded, problem-solving people that are excited to talk to you at your level of expertise. Happy clients and energizing relationships are what get us up in the morning. We are always quick with a smile, and always excited to talk with anyone about how to make their homes more comfortable.

"The crew from RetroFoam handled our project great from start to finish. The team was very professional and got everything done the way we expected. Would definitely recommend!"

Shaun W on November 2021

RetroFoam of the Carolinas is an insulation contractor that provides injection and open and closed cell spray foam insulating solutions for existing homes, new homes, and pole barns across the Carolinas and Virginia. Our mission is to help homeowners minimize their energy waste and create more energy-efficient, healthy, quieter homes. RetroFoam of the Carolinas is operated by a fun-loving team of construction professionals with over 25 years of experience in the industry. The team comprises service-minded, problem-solving people that are excited to talk to you at your level of expertise. Happy clients and energizing relationships are what get us up in the morning. We are always quick with a smile, and always excited to talk with anyone about how to make their homes more comfortable.

"The crew from RetroFoam handled our project great from start to finish. The team was very professional and got everything done the way we expected. Would definitely recommend!"

Shaun W on November 2021


Avatar for EcoGreen Home Services

EcoGreen Home Services

5.00(
10
)

EcoGreen Home Services

5.00(
10
)
Customers say: Quick response
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers

Our vision is to create a better tomorrow by offering Plumbing, Electrical, HVAC equipment and indoor air quality products that offers the highest level of efficiency and keeps your home and family safe, clean and comfortable. We hope that you will join us.

"Austin and his partner's professional service was what the doctor ordered. Respectful and courteous,you couldn't ask for better service!"

Anthony J on October 2025

Our vision is to create a better tomorrow by offering Plumbing, Electrical, HVAC equipment and indoor air quality products that offers the highest level of efficiency and keeps your home and family safe, clean and comfortable. We hope that you will join us.

"Austin and his partner's professional service was what the doctor ordered. Respectful and courteous,you couldn't ask for better service!"

Anthony J on October 2025


"We will never use this company again. They were not upfront on their labor charge for a part under warranty and then threatened us to send us to collections when we asked to meet them half way. They also tried selling us an air scrubber yet neglected to tell us the reason we are having a mold issue is because the seal between the house and the unit has holes in it. They also did not put back things moved to get to the unit and crawl space. It is unfortunate that there are companies out there who choose to do business in this manor."

Colleen S on December 2022

Since 2012, Air Tech has offered quality services with professional attention that our clients deserve. Contact us to know more about Air conditioning repair service.

"We will never use this company again. They were not upfront on their labor charge for a part under warranty and then threatened us to send us to collections when we asked to meet them half way. They also tried selling us an air scrubber yet neglected to tell us the reason we are having a mold issue is because the seal between the house and the unit has holes in it. They also did not put back things moved to get to the unit and crawl space. It is unfortunate that there are companies out there who choose to do business in this manor."

Colleen S on December 2022



"They were great to work with and quick, polite and explained the timeline of needing to replace the unit and my repair cost would go towards the replacement."

Susan E on July 2020

Heating & A/C, Energy Efficiency Auditing

"They were great to work with and quick, polite and explained the timeline of needing to replace the unit and my repair cost would go towards the replacement."

Susan E on July 2020


Avatar for Comfort First Heating and Cooling - Charlotte

Comfort First Heating and Cooling - Charlotte

4.67(
121
)

Comfort First Heating and Cooling - Charlotte

4.67(
121
)
Customers say: Super punctual
15 years of experience

If you want to stay cool and comfortable in Charlotte, North Carolina, then the Comfort First team is the one to call! We specialize in AC repair, maintenance, and installation to keep your family happy and healthy in the sweltering southern summers. Since 2010 our customers in Charlotte have been completely satisfied with our state of the art AC repair and maintenance!

"Great. Quick install"

Roger M on July 2024

If you want to stay cool and comfortable in Charlotte, North Carolina, then the Comfort First team is the one to call! We specialize in AC repair, maintenance, and installation to keep your family happy and healthy in the sweltering southern summers. Since 2010 our customers in Charlotte have been completely satisfied with our state of the art AC repair and maintenance!

"Great. Quick install"

Roger M on July 2024



Avatar for USA Alarm Service, Inc

USA Alarm Service, Inc

No reviews yet

USA Alarm Service, Inc

No reviews yet
29 years of experience

USA Alarm is a national company that has more than two decades of experience and an award winning command center that protects more than 700,000 homes and businesses through the United States, 24 hours a day and 7 days a week. We have offices located throughout the US, with two main offices in Indianapolis, Indiana and Post Falls, Idaho.

USA Alarm is a national company that has more than two decades of experience and an award winning command center that protects more than 700,000 homes and businesses through the United States, 24 hours a day and 7 days a week. We have offices located throughout the US, with two main offices in Indianapolis, Indiana and Post Falls, Idaho.

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Energy Efficiency Auditing questions, answered by experts

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.

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.

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.

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.

Leaving vents open but closing doors in unused rooms will probably not save money on your energy bill. Closed doors prevent the natural flow of air throughout the home, which could reduce the efficiency of the overall HVAC system. They could also restrict airflow into and through the return vents, making the HVAC system less efficient.

The Mount Ulla, NC homeowners’ guide to energy efficiency auditing services

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