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Business Details
29 Years
experience
Emergency
services
Trusted HVAC Services in Hartsville, SC
Gainey's Heating & Cooling has served the Hartsville and Darlington County communities since 1997, delivering reliable HVAC solutions rooted in decades of combined industry experience. Our family-owned business combines technical expertise with personalized service, specializing in system installation, maintenance, and repair for residential and commercial clients. We prioritize customer satisfaction through transparent communication, quality workmanship, and community engagement, including partnerships with local organizations like the Darlington County Humane Society.

Our team of certified technicians uses advanced diagnostic tools and premium equipment to ensure optimal system performance, while our financing options and 24/7 emergency services address diverse client needs. Backed by manufacturer warranties and a commitment to ongoing training, we maintain industry standards for safety, efficiency, and customer care.
Services
Installation Maintenance Repair Indoor Air Quality Air Conditioners Furnaces Heat Pumps Thermostats
Details
  • Year established: 1997
Highlights and features
  • Family-owned since 1997 with 25+ years of local HVAC expertise
  • 24/7 emergency repair services for urgent heating/cooling needs
  • Authorized American Standard dealer with energy-efficient equipment
  • Custom financing options available for system upgrades
  • Community-focused with 15+ years of service to local nonprofits
What people say
Prompt and fair pricing Fast and efficient Courteous and quick 15+ years of service Emergency response
Services
HVAC Installation
We install and replace heating, cooling, and air quality systems with American Standard equipment. Our technicians ensure proper sizing and efficiency for residential and commercial properties. Services include air conditioners, heat pumps, furnaces, and ductless systems.
Maintenance
Regular maintenance extends HVAC system lifespan and improves energy efficiency. We perform comprehensive inspections, cleaning, and adjustments to prevent breakdowns and maintain optimal performance year-round for homes and businesses.
Repair
Our technicians diagnose and fix HVAC system malfunctions promptly. We handle all brands and models, addressing issues like refrigerant leaks, thermostat problems, and component failures with same-day service availability.
Indoor Air Quality
We improve indoor air quality through assessments and installations of filtration systems, humidifiers, and UV sanitization. Services reduce allergens, control humidity, and enhance overall air health for residential and commercial spaces.
Thermostat Services
We install and service programmable and smart thermostats to optimize temperature regulation. Upgrades improve energy efficiency and provide remote control capabilities for residential and commercial HVAC systems.
People
Mike Gainey
Owner/Operator
With HVAC experience since high school, Mike founded the company in 1997. He oversees operations and ensures service quality, drawing on decades of technical and business expertise in residential and commercial systems.
James Reed
Installer
A 5-year team member, James specializes in HVAC installations. He brings technical precision to system setups while maintaining focus on customer comfort needs in residential projects across Hartsville.
Jonathan Howle
Installer
Jonathan has contributed to installation projects for 5 years. His expertise includes system integration and ensuring proper equipment function during installations for both new constructions and replacement jobs.
Jim Burgess
Service Technician
With 20+ years of HVAC experience, Jim handles complex repairs and maintenance. He applies advanced diagnostic skills to resolve system issues efficiently, serving residential and commercial clients across the region.
Questions
What HVAC services do you offer?
We provide installation, maintenance, and repair services for heating, cooling, and air quality systems, including air conditioners, furnaces, heat pumps, and thermostats.
Do you offer emergency HVAC repair?
Yes, we provide 24/7 emergency repair services for urgent heating and cooling system failures in residential and commercial properties.
Are financing options available?
We offer financing plans with approved credit for new HVAC system installations and equipment upgrades to qualified customers.
What areas do you service?
We primarily serve Hartsville and Darlington County, SC, with HVAC installation, repair, and maintenance services for homes and businesses.
How experienced is your team?
Our technicians have 5-20+ years of HVAC experience, including specialized training in American Standard equipment and energy-efficient system installations.
Reviews (5)
Kim Hall Smith
Dec 22, 2021 Report
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
Dec 21, 2021 Report
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
Nov 16, 2021 Report
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
Christy Conway
Jul 27, 2021 Report
Positive:Professionalism,Punctuality,Quality,Responsiveness,Value
GAINEYS is a great company. They came super fast after contact with them and had a us fixed up and running again. The tech was super nice and so knowledgeable. I highly recommend this company.
Services:HVAC repair,AC repair
Judy Morris
Jun 16, 2021 Report
Work was completed as scheduled. Pleased with their service. I have used this company in the past and have always had good service. Employees were polite and all debris was cleaned up after they finished installing new unit.
Service:Installation