Get matched with top heating and air conditioning pros in Old Mystic, CT
There are 10 highly-rated local heating and air conditioning pros.
TRUSTED BY HOMEOWNERS
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20 Verified Reviews for Heating And Air Conditioning Service pros in Old Mystic, CT
*The Angi rating for Heating And Air Conditioning Service 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 Heating And Air Conditioning Service needs.
*The HomeAdvisor rating for Heating And Air Conditioning Service 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 Heating And Air Conditioning Service needs.
Last update on May 28, 2025
Heating and air conditioning pros in Old Mystic
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.
"Friendly, efficient and extremely competent installation of a new compressor and coil for a forced air system. Also came in with the best estimate. Will definitely use in the future."
Alon G on March 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.
"Friendly, efficient and extremely competent installation of a new compressor and coil for a forced air system. Also came in with the best estimate. Will definitely use in the future."
Alon G on March 2025
Our mission is to be a provider that brings back the personal touch with our customers.We will build a relationship that will last a lifetime after you see our quality work. As a locally owned and operated business we feel invested in our clients and constantly strive for customer satisfaction. We won't leave until the job is done right! Call or click to schedule an estimate today! CT Energize Heat pump installer network to receive rebates from eversource.
"Wonderful. They worked with me all the way through the process. I needed time to get funds together and they kept in contact with me and when I finally had the funds, they worked thier schedule to get this done immediately. They were compassionate and understanding about the whole situation. In the end, the job was efficient and professional and it was a great success!! Thank you to Jeremy and son. We are very grateful."
Laura F on January 2025
Our mission is to be a provider that brings back the personal touch with our customers.We will build a relationship that will last a lifetime after you see our quality work. As a locally owned and operated business we feel invested in our clients and constantly strive for customer satisfaction. We won't leave until the job is done right! Call or click to schedule an estimate today! CT Energize Heat pump installer network to receive rebates from eversource.
"Wonderful. They worked with me all the way through the process. I needed time to get funds together and they kept in contact with me and when I finally had the funds, they worked thier schedule to get this done immediately. They were compassionate and understanding about the whole situation. In the end, the job was efficient and professional and it was a great success!! Thank you to Jeremy and son. We are very grateful."
Laura F on January 2025
Here at Scotti Mechanical Services I have over 30 years of HVAC experience in oil heating (NO gas work) and air conditioning. I pride myself on my diligence and attention to detail, and make a dedicated effort to reduce repair/installation cost. There is no job too big or too small that I can't handle in a timely manner, please don't hesitate to call today. I look forward to earning your business. I do provide an after-hours emergency service.
"He didn't do any air side of furnace replaced ignitor we had loud bang noise it was because we needed the furnace to be cleaned and vacuumed I saw pics from real furnace guy it was full of rust and cresol flakes he never vacuumed anything terrible job never fixed problem"
Kenneth B on October 2024
Here at Scotti Mechanical Services I have over 30 years of HVAC experience in oil heating (NO gas work) and air conditioning. I pride myself on my diligence and attention to detail, and make a dedicated effort to reduce repair/installation cost. There is no job too big or too small that I can't handle in a timely manner, please don't hesitate to call today. I look forward to earning your business. I do provide an after-hours emergency service.
"He didn't do any air side of furnace replaced ignitor we had loud bang noise it was because we needed the furnace to be cleaned and vacuumed I saw pics from real furnace guy it was full of rust and cresol flakes he never vacuumed anything terrible job never fixed problem"
Kenneth B on October 2024
Tankfarm can service and install propane burning equipment including boilers, furnaces, hot water heaters, pool heaters, generators and more. We also specialize in conversions of heating and hot water systems from heating oil and electric. Service agreements and remote monitoring of equipment are also available.
"This was an all around fantastic experience! I needed furnace work done. From phone call to service was a quick turn around! Andre was incredibly knowledgeable. Any questions I asked he had an answer for and broke down it down for the average joe to understand! I won't use any other company. It's nice to see curtesy and a great work ethic! Everything was up and running the same day. On top of it all he cleaned up as he went progressed through the project."
Brett W on May 2025
Tankfarm can service and install propane burning equipment including boilers, furnaces, hot water heaters, pool heaters, generators and more. We also specialize in conversions of heating and hot water systems from heating oil and electric. Service agreements and remote monitoring of equipment are also available.
"This was an all around fantastic experience! I needed furnace work done. From phone call to service was a quick turn around! Andre was incredibly knowledgeable. Any questions I asked he had an answer for and broke down it down for the average joe to understand! I won't use any other company. It's nice to see curtesy and a great work ethic! Everything was up and running the same day. On top of it all he cleaned up as he went progressed through the project."
Brett W on May 2025
We're a well established business with over 25 years of unmatched expertise. Customer preference and priorities are always first. We're very timely with our work and never lose attention to detail. Diamond Plumbing and Heating, LLC, has built a reputation for quality work with each satisfied customer. Our sense of pride is apparent in every restoration we complete. Call Diamond Plumbing & Heating today and we'll be there in your time of need.
"Amilcar was professional from the start to the finish. He was efficient too. He was very neat and kept the work area clean. I will certainly call on Diamond Plumbing and Heating again should I need service of the type they provide"
ANTHONY F on January 2025
We're a well established business with over 25 years of unmatched expertise. Customer preference and priorities are always first. We're very timely with our work and never lose attention to detail. Diamond Plumbing and Heating, LLC, has built a reputation for quality work with each satisfied customer. Our sense of pride is apparent in every restoration we complete. Call Diamond Plumbing & Heating today and we'll be there in your time of need.
"Amilcar was professional from the start to the finish. He was efficient too. He was very neat and kept the work area clean. I will certainly call on Diamond Plumbing and Heating again should I need service of the type they provide"
ANTHONY F on January 2025
Plumbing, painting, carpentry, flooring, ductwork, Heating. We are a family and veteran owned company. We take pride in everything we do big or small!! We are never completed with a job untill the customer is 100% satisfied!
Plumbing, painting, carpentry, flooring, ductwork, Heating. We are a family and veteran owned company. We take pride in everything we do big or small!! We are never completed with a job untill the customer is 100% satisfied!
EREG is your 1 stop shop for all your residential and or commercial needs. -Landscaping, Landscape design, Landscape Lighting, Spring & Fall Clean-ups -Chimney Flashing Repair -Interior & Exterior Painting -PWR Washing, Gutter Cleaning, Gutter Install, Deck, Patio, Driveways, walkways -Basic Remodeling, Decks, Windows, Roofing, etc... -Home Automation, Physical Security & CCTV -Pro-Audio and Pro Video Design/Installation -Over Head PA or White Noise, Menu Boards, Wall Hung TV installations -REO & Foreclosure Applications such as winterizing, inspection, Lock Box -Assembly, Configuration, Decommissioning -Commercial Property Abatement -Basic Moving Services, -Owner is a Real Estate Agent and can help value and comp as well as sell & purchase -24 Hr x 7 days x 365 physical monitoring of your home or office or business -Residential and Commercial Cleaning Services (daily, weekly, monthly, seasonal, vacation) EREG staff are out of the box thinkers and get it done types. If you need something unique, please give us a call as we are confident we can help in some fashion or another.
"Hired Jack for a last minute next-day TV mount and he was awesome! Responsive, professional, arrived early, worked quickly, and completed our TV mount install exactly as we wanted! Plus he’s friendly with a great sense of humor! Would not hesitate to hire again for other handyman tasks!"
Greg H on May 2025
EREG is your 1 stop shop for all your residential and or commercial needs. -Landscaping, Landscape design, Landscape Lighting, Spring & Fall Clean-ups -Chimney Flashing Repair -Interior & Exterior Painting -PWR Washing, Gutter Cleaning, Gutter Install, Deck, Patio, Driveways, walkways -Basic Remodeling, Decks, Windows, Roofing, etc... -Home Automation, Physical Security & CCTV -Pro-Audio and Pro Video Design/Installation -Over Head PA or White Noise, Menu Boards, Wall Hung TV installations -REO & Foreclosure Applications such as winterizing, inspection, Lock Box -Assembly, Configuration, Decommissioning -Commercial Property Abatement -Basic Moving Services, -Owner is a Real Estate Agent and can help value and comp as well as sell & purchase -24 Hr x 7 days x 365 physical monitoring of your home or office or business -Residential and Commercial Cleaning Services (daily, weekly, monthly, seasonal, vacation) EREG staff are out of the box thinkers and get it done types. If you need something unique, please give us a call as we are confident we can help in some fashion or another.
"Hired Jack for a last minute next-day TV mount and he was awesome! Responsive, professional, arrived early, worked quickly, and completed our TV mount install exactly as we wanted! Plus he’s friendly with a great sense of humor! Would not hesitate to hire again for other handyman tasks!"
Greg H on May 2025
We specialize in residential and commercial air duct cleaning & dryer vent cleaning! We 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 all the services we offer below and call -or- click to schedule a free estimate today!
"A first class operation!"
Cheryl H on April 2025
We specialize in residential and commercial air duct cleaning & dryer vent cleaning! We 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 all the services we offer below and call -or- click to schedule a free estimate today!
"A first class operation!"
Cheryl H on April 2025
Our team provides quality, accurate installations of custom decks, additions, garages, and new construction homes. We strive to deliver the highest quality workmanship at a reasonable cost. Reach out today for a free consultation.
"Ravin did a spectacular job. The workmanship is spectacular, from the footings and framing to the details of the decking itself. You can see photos of our deck on Ravin's landing page here: [*** Link removed ***] Kevin and his team were on site at 6:45 every workday and were focused and highly professional. I've done a number of building projects in the 40+ years I've lived here and Ravin is by far the finest construction company I've ever worked with. It's nice to know I never have to look for another builder. I have a hay barn in the planning stages and I'll only have it built by Ravin."
David F on October 2021
Our team provides quality, accurate installations of custom decks, additions, garages, and new construction homes. We strive to deliver the highest quality workmanship at a reasonable cost. Reach out today for a free consultation.
"Ravin did a spectacular job. The workmanship is spectacular, from the footings and framing to the details of the decking itself. You can see photos of our deck on Ravin's landing page here: [*** Link removed ***] Kevin and his team were on site at 6:45 every workday and were focused and highly professional. I've done a number of building projects in the 40+ years I've lived here and Ravin is by far the finest construction company I've ever worked with. It's nice to know I never have to look for another builder. I have a hay barn in the planning stages and I'll only have it built by Ravin."
David F on October 2021
Heating and air conditioning services FAQs
Knowing how long your existing HVAC units can last is essential to determine if you need a repair or replacement. Typically, most modern air conditioning units can last between 15 to 20 years, and most furnaces can work properly for 15 to 30 years. If your HVAC system is on the older side and you decide to replace one unit, it might make sense to replace both simultaneously to save on costs and future hassle.
While different HVAC contractors might offer higher or lower prices than competitors, the best time to replace your HVAC system is when customer demand is low. The beginning of summer and the beginning of winter bring the most demand for HVAC systems, so if you can, consider replacing your HVAC units in the early spring or fall. Many HVAC companies offer special off-season coupons that help lower the overall cost.
The average cost to hire an HVAC contractor is between $50 and $150 per hour if charging hourly. However, some HVAC contractors will charge a flat fee by the type of service they are performing—for example, an inspection can cost between $150 to $500. Keep in mind that emergency repairs—which are made after business hours or around major holidays—generally cost more than scheduled repairs.
Yes, most states require HVAC technicians to be certified, and for good reason. Hiring an unlicensed HVAC technician could lead to poor quality work, costly future expenses, and potential code violations.
As you browse our pro listings, take note of the “Angi Approved” badge. Angi Approved businesses meet our standards for certification which include:
The owner, principal, or relevant manager passed a criminal background check
Required to have applicable state and local licenses
Maintain an average star rating of 3.0 or better on our network, if they have at least one review
Paying to advertise their services
Meeting any other eligibility criteria required by Angi
Keep in mind licensing is different from certifications. A license is a legal requirement to operate a business, while certifications are voluntary.
The average cost of HVAC repairs is around $350. However, that price can be as low as $100 or as high as $2,000 or more, depending on the repair. For example, replacing a capacitor is a relatively inexpensive repair, ranging from $100 to $500. However, a compressor repair is a more expensive repair, ranging from $750 to $2,000.
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