Gainey's Heating & Cooling
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Our service after the sale sets us apart from others! We are proud to have provided heating, air conditioning, refrigeration, air quality and service for more than 20 years in the Hartsville / Darlington County Area - the area we also call home. We are family owned and operated-and are blessed with an amazing team!

Mike Gainey, owner and operator, began his heating and air conditioning career when he was in high school. He worked his way through the ranks at local heating and air companies - learning both residential and commercial systems. He started his own business a few years later, and incorporated in 1997.
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Trust the name that has served the Hartsville, SC area since 1997. Our commitment to your comfort and at home air quality has always been our number one goal. Your HVAC system is our business and we want to make sure it stays that way for years to come. Prepare for year round comfort with our heating and cooling installation & replacement services.
There are plenty of ways to keep your family comfortable all year long. At Gainey's Heating & Cooling, we have tons of experience in providing the homes of Hartsville, South Carolina with the best heating and air conditioning services around. Our trained technicians will provide your home with year-round comfort.
If you're thinking of installing a new heating and cooling system in your home or replacing your old HVAC system, there's only one name you need to know - Gainey's Heating & Cooling! We are licensed and insured, and have been installing A/C, furnaces, heat pumps, and more in homes throughout the greater Hartsville area over for 20 years.
Are you looking for an easy way to extend the life of your heating and cooling system while keeping your energy bills low every month? Do you want to make sure you have an HVAC company you can rely on for emergency repairs or replacements, even on the hottest days of summer or the coldest days of winter?
Noticed something unusual going on with your A/C? Or has your furnace suddenly broken down on you? When you need HVAC repair in the Hartsville area, there's only one name you need to know-Gainey's Heating & Cooling! Our experienced HVAC technicians have been repairing all types of heating and cooling systems for more than 20 years.
Reviews (8)
Becky Copeland
Becky Copeland
Jan 01, 2022
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Very prompt and everyone there is so friendly and give great service. I would highly recommend them to anyone needing heat and air.
Kim Hall Smith
Kim Hall Smith
Dec 22, 2021
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Top notch service every time! They offer excellent customer service and work hard to take care of their customers as prompt as possible. Thank you all!
Paul Lankford
Paul Lankford
Dec 21, 2021
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Fast service. Always friendly. Used them for repairs as well as new unit. Always fix it on first trip. And new unit was done in a timely manner and looks and runs awesome. Thank u Mike Gainey and crew!!
Mark Godwin
Mark Godwin
Nov 16, 2021
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Positive: Professionalism, Punctuality, Responsiveness
Quick response for repair. Since the old unit was 23 years old we replaced. They were able to get that done in 2 days after the order. The thermostat was tricky because of lack of existing wires but they took care of that too.
Services: Thermostat installation, AC installation, Heating system installation, Installation
Shauna Gregg
Shauna Gregg
May 25, 2021
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Positive: Professionalism, Punctuality, Quality, Responsiveness, Value
The gave us a fair price and were able to order in and get the new unit installed within a few days. Thankfully before we had 100 degree weather.
Services: Thermostat installation, AC installation, Heating system installation, Installation
Bill Sherrill
Bill Sherrill
Feb 18, 2021
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Excellent service and very professional in all aspects. I highly recommend Gainey's Heating and Cooling to anyone looking for a new HVAC unit or a repair. I have switched to Gainey's from another company. I had Gainey's to install 2 new units in my home and could not be happier. The installers found a problems from when the duct work was installed in the house when built and Mike (the owner) came out and explained what was needed to fix it correctly. Do not hesitate and give Gainey's a call for all your HVAC needs.
Mark Schowalter
Mark Schowalter
Nov 08, 2020
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Positive: Professionalism, Quality
I am very happy with their installation of a split unit heat pump for my shop. I am very particular, and the installation crew impressed me as to knowing their job and ensuring every aspect of the installation was done properly. I'm also happy with the type of unit they recommended.
Service: Installation
Kimberly G.
Kimberly G.
Feb 16, 2019
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My heat pump was leaking Freon from the expansion valve. Instead of replacing it, Mike patched it..... for $550. Three weeks later, it's leaking Freon again... from the end of the expansion valve. They now replace the valve with a new one and charge $465. Over $1000 for the same problem twice, not even a month apart. They insist that this is a "different part" because it broke loose at the end instead of at the patched part. They charge you to cover up your real issue, then charge you later for more work when they should have replaced it the first time. Money hungry! Will never do