Fort Mill, SC heating & air
HVAC service in Fort Mill, SC from a local team you can reach
Kool Katz HVAC repairs, maintains, and replaces air conditioners, heat pumps, and furnaces for homes and businesses in Fort Mill and nearby communities. We explain what we find in plain language and go over your options so you can make the call.
Heating and cooling services
No job too small. From a quick repair to a full system replacement, here's how we help.
AC repair
Warm air, short cycling, a sticky house, or an outdoor unit that won't start. We find the cause and explain your options.
AC repair in Fort Mill →Heating repair
Furnaces, heat pumps, and boilers. No heat, not enough heat, or a system that runs constantly on cold nights.
Heating repair in Fort Mill →Installation & replacement
When repairs stop making sense, we'll walk you through replacement options sized for your home.
HVAC installation →Seasonal maintenance
Spring and fall maintenance visits that catch small problems before they become no-cool or no-heat calls.
HVAC maintenance →Service Membership
Two maintenance visits a year for $25/month
Service members get a spring cooling visit (with a full condenser coil cleaning) and a fall heating visit, plus priority booking, no standard diagnostic fee on weekday business-hours calls, 15% off repairs, and 10% off a full system replacement.
What service members get
- Spring & fall maintenance visits
- Priority booking
- Standard diagnostic fee waived (Mon–Fri, 8am–5pm)
- 15% off repair parts & labor
- 10% off full system replacement
Why Fort Mill homeowners call Kool Katz
Based in Fort Mill
We're a local company, not a call center. Fort Mill is home base, and it's where most of our work happens.
Straight answers
We take the time to explain the problem and review all of your options, so you can make an informed decision without pressure.
Housecall Pro SuperPro
Named a Housecall Pro SuperPro in 2025 and 2026, and hired 148 times on Thumbtack by real customers for repairs, maintenance, and installs.
24/7 emergency service
Office hours are Monday–Friday, 10am–5pm. When your heat or AC fails after hours, call and we'll help.
Where we work
Fort Mill is our home base. We also serve the surrounding communities on both sides of the state line.
- Fort Mill, SC
- Tega Cay, SC
- Indian Land, SC
- Rock Hill, SC
- Lake Wylie, SC
- Charlotte, NC
- Waxhaw, NC
- Pineville, NC
- Matthews, NC
What customers say
Google rating: 5.0 ★ (103 reviews) · Read our Google reviews · Hired 148 times on Thumbtack
“I had an excellent experience with this company. Mike was extremely responsive and professional throughout the process. I greatly appreciated that he managed to fit me into the schedule on short notice.”
— Ciandra P.
Need heating or air service in Fort Mill?
Call Kool Katz HVAC. Office hours are Monday–Friday, 10am–5pm, and we offer 24/7 emergency service.