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*The Angi rating for Energy Efficiency Auditing companies in Old Mystic, CT is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Energy Efficiency Auditing needs.
*The HomeAdvisor rating for Energy Efficiency Auditing companies in Old Mystic, CT is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Energy Efficiency Auditing needs.
Last update on October 24, 2025
Find Energy efficiency auditors in Old Mystic

Cawiamca Heating, Cooling, and Electrical
Cawiamca Heating, Cooling, and Electrical
FULL SERVICE HEATING, COOLING, AND ELECTRICAL SERVICES. CERTIFIED COLD WEATHER HEAT PUMP INSTALLER -- REBATES AVAILABLE!! Cawiamca Heating, Cooling and Electrical-- Offers top quality heating & cooling & electrical services. Professional Service and Guaranteed Quality Workmanship. Cawiamca is a trusted, BBB A+ Rated Contractor serving the Connecticut Shoreline since 2014.
"Outstanding company and outstanding work performance. Out of many estimates, Cawiamca offer came by e-mail in 24 hrs from the visit. After few clearing Q&A, final detailed contract was sign in person in 48 hrs. All communication was done with the owner OVER THE WEEKEND promptly, with understanding, concern and his willingness to help. Totally impressive for business owner to do that on weekend. Best estimate , best professional work and my gratitude, thanks and best wishes to owner Mr. Ron Pelletier."
Michael K on September 2025
FULL SERVICE HEATING, COOLING, AND ELECTRICAL SERVICES. CERTIFIED COLD WEATHER HEAT PUMP INSTALLER -- REBATES AVAILABLE!! Cawiamca Heating, Cooling and Electrical-- Offers top quality heating & cooling & electrical services. Professional Service and Guaranteed Quality Workmanship. Cawiamca is a trusted, BBB A+ Rated Contractor serving the Connecticut Shoreline since 2014.
"Outstanding company and outstanding work performance. Out of many estimates, Cawiamca offer came by e-mail in 24 hrs from the visit. After few clearing Q&A, final detailed contract was sign in person in 48 hrs. All communication was done with the owner OVER THE WEEKEND promptly, with understanding, concern and his willingness to help. Totally impressive for business owner to do that on weekend. Best estimate , best professional work and my gratitude, thanks and best wishes to owner Mr. Ron Pelletier."
Michael K on September 2025
Rachel Solar Specialist
Rachel Solar Specialist
We pride our company on reliability, great communication, integrity, and quality work. We believe in giving our absolute best in all of our projects, no matter how big or small. You will find us to be competitively priced, with close attention to the details of each and every project. We are experts in our trade and will always keep you educated on your particular task or project. We look forward to earning your business, so please ask us for references.
We pride our company on reliability, great communication, integrity, and quality work. We believe in giving our absolute best in all of our projects, no matter how big or small. You will find us to be competitively priced, with close attention to the details of each and every project. We are experts in our trade and will always keep you educated on your particular task or project. We look forward to earning your business, so please ask us for references.

USA Alarm Service, Inc
USA Alarm Service, Inc
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.
Uplands Construction Group, LLC
Uplands Construction Group, LLC
Why Choose Uplands? The selection of your builder/contractor is a very important decision and should not be done hastily. We welcome the opportunity to get to know you, explore your ideas on your dream home and to provide our guidance in the design and construction of your home. A typical project, including design and construction, can often take nine to twelve months, or more. You should take the time to get to know the builder you are considering working with on such an important endeavor. We believe our many years of experience building in Southeastern Connecticut is our single biggest asset. We can manage the design and construction of many architectural styles and sizes of homes. Uplands Construction Group, LLC, is licensed and insured home improvement contractor for Connecticut. We perform Design build and remodeling projects. We welcome projects big and small, from installing Windows, to fully renovating a house.
Why Choose Uplands? The selection of your builder/contractor is a very important decision and should not be done hastily. We welcome the opportunity to get to know you, explore your ideas on your dream home and to provide our guidance in the design and construction of your home. A typical project, including design and construction, can often take nine to twelve months, or more. You should take the time to get to know the builder you are considering working with on such an important endeavor. We believe our many years of experience building in Southeastern Connecticut is our single biggest asset. We can manage the design and construction of many architectural styles and sizes of homes. Uplands Construction Group, LLC, is licensed and insured home improvement contractor for Connecticut. We perform Design build and remodeling projects. We welcome projects big and small, from installing Windows, to fully renovating a house.
72 Degrees Air Conditioning & Heating
72 Degrees Air Conditioning & Heating
72Degrees Air Conditioning & Heating has been installing comfort for more than 20 years. Financing is available.
72Degrees Air Conditioning & Heating has been installing comfort for more than 20 years. Financing is available.
Anchor Insulation - Niantic, CT
Anchor Insulation - Niantic, CT
Anchor Insulation is a New England-based company engaged in the procurement, delivery and application of insulation systems in the commercial, industrial, marine and residential sectors. Anchor Insulation consists of five offices supported by a headquarters staff. Each office is complete with insulation crews, project managers, and fabrication shops to provide service solutions and system designs for all business sectors. We are dedicated to making intelligent connections needed to deliver innovative solutions to our customers. We’re a company with a proud tradition of firsts continuing to play our part in developing energy efficient “green” insulation systems. The key to our business is our strategic vision and what our company and its employees value. Our business serves a variety of clients including industrial and marine industries, residential and commercial contractors, and individual homeowners for insulation upgrades. Our experience allows us to deliver professionalism and attention to detail to any job – regardless of project size. Anchor Insulation is a family owned and operated business established in 1980 by Fred Fiske, who started in the insulation trade in the 1950’s. Shortly thereafter his sons, Greg, Eric and Jerry joined him. As the team of skilled insulation mechanics, project managers and estimators continued to grow, they brought extensive and varied experience to every facet of every job. Anchor expanded to Connecticut in 1996 and a third branch in Wilmington, Massachusetts was formed in 1998. Today, with over 100 people employed, the company continues to grow with value and reliability as the catalyst. Anchor’s vision is to provide unequaled value to the three pillars on which our success is built: our people, our clients, and our communities, by providing industry leading insulation technology, support and service.
Anchor Insulation is a New England-based company engaged in the procurement, delivery and application of insulation systems in the commercial, industrial, marine and residential sectors. Anchor Insulation consists of five offices supported by a headquarters staff. Each office is complete with insulation crews, project managers, and fabrication shops to provide service solutions and system designs for all business sectors. We are dedicated to making intelligent connections needed to deliver innovative solutions to our customers. We’re a company with a proud tradition of firsts continuing to play our part in developing energy efficient “green” insulation systems. The key to our business is our strategic vision and what our company and its employees value. Our business serves a variety of clients including industrial and marine industries, residential and commercial contractors, and individual homeowners for insulation upgrades. Our experience allows us to deliver professionalism and attention to detail to any job – regardless of project size. Anchor Insulation is a family owned and operated business established in 1980 by Fred Fiske, who started in the insulation trade in the 1950’s. Shortly thereafter his sons, Greg, Eric and Jerry joined him. As the team of skilled insulation mechanics, project managers and estimators continued to grow, they brought extensive and varied experience to every facet of every job. Anchor expanded to Connecticut in 1996 and a third branch in Wilmington, Massachusetts was formed in 1998. Today, with over 100 people employed, the company continues to grow with value and reliability as the catalyst. Anchor’s vision is to provide unequaled value to the three pillars on which our success is built: our people, our clients, and our communities, by providing industry leading insulation technology, support and service.

Guardian Fuel and Energy Systems
Guardian Fuel and Energy Systems
BIOHEAT the advanced renewable biofuel for oilheat homes! Reduce your oil consumption, reduce emissions, reduce service costs, while your heating unit operates better! NO MODIFICATIONS to your oilheat home, just a better fuel. NOW, ORDER ONLINE from your desktop, tablet or phone! www.guardianfuel.com Energy Plus for New York and Connecticut homes and businesses! Low electricity supply rates, rebates for usage, and a signing bonus with NO Contract! Check out the wind-power option! Fully licensed and insured. Lic. #424 (RI) Petroleum Dealer renews annually. Lic #7810 (RI) Contractor Master Pipefitter (service) renews annually. Lic #31 (CT) Heating Oil Distributor renews annually. All drivers are licensed for Hazardous Material transport by state and Federal Dept. of Transportation, and have Transportation Workers ID Card (TWIC) for Homeland Security entrance to port terminals, and submit to random drug testing. Re-training of all drivers and service personnel is ongoing. Pricing contracts are available. Commercial contracts as appropriate. Experience makes the Guardian Southeastern Connecticut's and Rhode Island's BIOHEAT experts! Visit our website to learn all about America's advanced renewable fuel source that will save money on your heating bill, burn cleaner and more efficiently, and save money on maintenence with NO modifications to your oilheat system! Find us on FACEBOOK!
BIOHEAT the advanced renewable biofuel for oilheat homes! Reduce your oil consumption, reduce emissions, reduce service costs, while your heating unit operates better! NO MODIFICATIONS to your oilheat home, just a better fuel. NOW, ORDER ONLINE from your desktop, tablet or phone! www.guardianfuel.com Energy Plus for New York and Connecticut homes and businesses! Low electricity supply rates, rebates for usage, and a signing bonus with NO Contract! Check out the wind-power option! Fully licensed and insured. Lic. #424 (RI) Petroleum Dealer renews annually. Lic #7810 (RI) Contractor Master Pipefitter (service) renews annually. Lic #31 (CT) Heating Oil Distributor renews annually. All drivers are licensed for Hazardous Material transport by state and Federal Dept. of Transportation, and have Transportation Workers ID Card (TWIC) for Homeland Security entrance to port terminals, and submit to random drug testing. Re-training of all drivers and service personnel is ongoing. Pricing contracts are available. Commercial contracts as appropriate. Experience makes the Guardian Southeastern Connecticut's and Rhode Island's BIOHEAT experts! Visit our website to learn all about America's advanced renewable fuel source that will save money on your heating bill, burn cleaner and more efficiently, and save money on maintenence with NO modifications to your oilheat system! Find us on FACEBOOK!
Solar Wolf Energy
Solar Wolf Energy
Solar Wolf is a full service solar company with a great reputation and an old world belief to our customers. To under-promise and over-deliver, period. We have 18 years experience in construction, remodeling, roofing, solar water heaters, solar pv systems, battery back-up systems and much more. See what Solar Wolf Energy can do for you!
Solar Wolf is a full service solar company with a great reputation and an old world belief to our customers. To under-promise and over-deliver, period. We have 18 years experience in construction, remodeling, roofing, solar water heaters, solar pv systems, battery back-up systems and much more. See what Solar Wolf Energy can do for you!
EnergyPRZ DBA the Energy Store
EnergyPRZ DBA the Energy Store
The-Energystore/EnergyPRZ is a GOLD Star Home Performance Contractor that is BPI accredited residential energy efficiency firm. We look at your house in a holistic and complete system. As a provider of the official Department of Energy Home Energy Score, we professionally analyze your home, detail improvements that can be made and back it up with solid data and real solutions. The path to saving comfortably is found at our full compliment of savings solutions.
The-Energystore/EnergyPRZ is a GOLD Star Home Performance Contractor that is BPI accredited residential energy efficiency firm. We look at your house in a holistic and complete system. As a provider of the official Department of Energy Home Energy Score, we professionally analyze your home, detail improvements that can be made and back it up with solid data and real solutions. The path to saving comfortably is found at our full compliment of savings solutions.

Energy Choice Center
Energy Choice Center
We provide free energy consulting services that pertain to discounted natural gas and electricity supply services through local utility companies.
We provide free energy consulting services that pertain to discounted natural gas and electricity supply services through local utility companies.
The Old Mystic, CT homeowners’ guide to energy efficiency auditing services
From average costs to expert advice, get all the answers you need to get your job done.
•Discover the average home energy audit cost, what impacts pricing, and how to save money on your audit. Get transparent, expert-backed cost info for homeowners.

Find out where homeowners spend the least and the most on house utilities like water, electricity, internet, cable, and natural gas.

A home energy audit is a detailed write-up of how to lower your utility bills and increase your comfort level. Find out if they’re worth the cost.
•Get a detailed breakdown of thermal imaging home inspection costs, including average prices, cost factors, and tips to help homeowners budget.

Home energy audits can identify ways to make your home more energy-efficient. Learn whether an energy audit is a good investment for your home.
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