Top-rated heating and air conditioning pros.

Get matched with top heating and air conditioning pros in Waterford, CT

There are 12 highly-rated local heating and air conditioning pros.

TRUSTED BY WATERFORD, CT HOMEOWNERS

  • Average homeowner rating star icon4.3
    Average homeowner rating
  • Verified reviews icon56
    Verified heating and air conditioning services reviews

Verified Reviews for Heating And Air Conditioning Service pros in Waterford, CT

*The Angi rating for Heating And Air Conditioning Service companies in Waterford, 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 Waterford, 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 October 22, 2025

Find Heating and air conditioning pros in Waterford

Avatar for Cawiamca Heating, Cooling, and Electrical

Cawiamca Heating, Cooling, and Electrical

6 Center Rd W
5.00(
45
)
•Approved Pro

Cawiamca Heating, Cooling, and Electrical

6 Center Rd W
5.00(
45
)
•Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
158 local quotes requested

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

Avatar for The Guild

The Guild

11 Lakeview Avenue
5.00(
4
)
•Approved Pro

The Guild

11 Lakeview Avenue
5.00(
4
)
•Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
3 years of experience

The Guild is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we work smart, and it gets done right.

"Extremely professional and patient and above all else honest and knowledgeable! I would recommend this company to anyone you be a fool, not to go with them"

Jennifer F on June 2023

The Guild is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we work smart, and it gets done right.

"Extremely professional and patient and above all else honest and knowledgeable! I would recommend this company to anyone you be a fool, not to go with them"

Jennifer F on June 2023

Avatar for Irie Energy Heating & Cooling

Irie Energy Heating & Cooling

PO Box 22
4.89(
19
)
•Approved Pro

Irie Energy Heating & Cooling

PO Box 22
4.89(
19
)
•Approved Pro
Customers say: True professional
5 years of experience
Free onsite estimate

Irie Energy Heating & Cooling is dedicated to providing our customers with the best quality and craftsmanship. We are here to build relationships with our customers and communities and to provide our employees with a great place to work. We look forward to working with you!

"Ryan was very knowledgeable, professional and responsive; and helpful with all our questions. He arrived as scheduled, worked quickly and cleaned up completely when done. Highly recommended."

Julie Q on March 2024

Irie Energy Heating & Cooling is dedicated to providing our customers with the best quality and craftsmanship. We are here to build relationships with our customers and communities and to provide our employees with a great place to work. We look forward to working with you!

"Ryan was very knowledgeable, professional and responsive; and helpful with all our questions. He arrived as scheduled, worked quickly and cleaned up completely when done. Highly recommended."

Julie Q on March 2024

Avatar for Shoreline Electric Services, LLC

Shoreline Electric Services, LLC

15 Pent Rd
4.31(
8
)
•Approved Pro

Shoreline Electric Services, LLC

15 Pent Rd
4.31(
8
)
•Approved Pro
Customers say: Quick response
63 local quotes requested
2 years of experience

Shoreline Electric Services is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

"very helpful and kind"

Tina D on April 2025

Shoreline Electric Services is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

"very helpful and kind"

Tina D on April 2025

Avatar for Scotti Mechanical Services

Scotti Mechanical Services

7 Pond Edge Dr
4.80(
58
)
•Approved Pro

Scotti Mechanical Services

7 Pond Edge Dr
4.80(
58
)
•Approved Pro
Customers say: Quality work
25 local quotes requested
5 years of experience

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

Avatar for Diamond Plumbing & Heating, LLC

Diamond Plumbing & Heating, LLC

1 Route 165
4.55(
58
)
•Approved Pro

Diamond Plumbing & Heating, LLC

1 Route 165
4.55(
58
)
•Approved Pro
Super Service Award
Customers say: True professional
23 local quotes requested
22 years of experience

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

Avatar for J&J home improvement

J&J home improvement

32 Walden Ave
No reviews yet

J&J home improvement

32 Walden Ave
No reviews yet
5 years of experience

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!

Avatar for Express Heating & Cooling LLC

Express Heating & Cooling LLC

49 Dalton Avenue
No reviews yet

Express Heating & Cooling LLC

49 Dalton Avenue
No reviews yet
12 years of experience

RESIDENTIAL & COMMERCIAL All types of Heating & Cooling Services: -Repair, Maintenance, Installation, Service plans -Boiler, Furnace, Water Heater, Baseboard & Cast-Iron Radiators Oil, Gas & Propane, Refrigeration & A/C. "Fully Licensed & Insured Contractor"

RESIDENTIAL & COMMERCIAL All types of Heating & Cooling Services: -Repair, Maintenance, Installation, Service plans -Boiler, Furnace, Water Heater, Baseboard & Cast-Iron Radiators Oil, Gas & Propane, Refrigeration & A/C. "Fully Licensed & Insured Contractor"

McConnell Construction & Managment

No reviews yet

McConnell Construction & Managment

No reviews yet
24 years of experience

McConnell Construction & Management is family owned and operated by the McConnell brothers out of South Windsor, CT. Born and raised in New England, they have a reputable understanding of the home production and repair needs in the area. Well versed in the management of all trades, the company has 20 plus years of experience in all matters of your building needs.

McConnell Construction & Management is family owned and operated by the McConnell brothers out of South Windsor, CT. Born and raised in New England, they have a reputable understanding of the home production and repair needs in the area. Well versed in the management of all trades, the company has 20 plus years of experience in all matters of your building needs.

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Heating and Air Conditioning questions, answered by experts

A frosty expansion valve that isn't blowing out cool air is a sure sign that it’s time to replace it. It might also be time to replace the TXV valve if your AC unit switches off soon after turning on or if you have poor airflow in your home.

No, it isn’t necessarily bad to turn your AC on and off frequently—contrary to popular belief. Even if you stop and start your AC throughout the day, it won’t use as much energy as it would if you ran it nonstop. 

If you’re concerned about your power consumption and energy costs, there are a few simple ways to use your AC more efficiently. Regularly cleaning the filters, scheduling routine maintenance, and using a programmable thermostat are all great choices.

You can run an HRV with air conditioning—assuming that you decide to keep the system on during the summer. The HRV will continue to bring in fresh outdoor air, which will then flow into your AC unit and cool down your home. It will also keep moving the stuffy indoor air out of your house.

When faced with HVAC issues, it's best to begin by ensuring the thermostat settings are correct for either heating or cooling. If the system isn't responding, check the thermostat for proper function and power supply. It's also important to examine air filters, as clogged ones can decrease performance. Confirm the power supply to the system by checking the circuit breakers and fuses. If these basic steps fail to resolve the issue, contact an HVAC professional for a more detailed diagnosis and repair.

The American Society of Heating, Refrigerating, and Air-Conditioning Engineers, or ASHRAE, sets the standard guidelines for air changes per hour in homes and businesses. The International Residential Code, or IRC, also sets ACH requirements for residences and bases those requirements off of ASHRAE standards plus climate specifics related to your location.

The Waterford, CT homeowners’ guide to heating and air conditioning services

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

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