Furnace Repair in Lexington & Richland Counties
Available 24/7
Emergency Furnace Service
Top-Tier Certification
HVAC Professional
1,500+ 5-Star Ratings
Trusted Across Lexington & Columbia
Professional Heating Repair Services for Reliable Winter Comfort
If your furnace isn’t heating like it should, it can affect your comfort, safety, and even your energy bills.
Kay Plumbing, Heating & Cooling offers furnace repair across Lexington and Richland Counties to get your heat working again and keep your system dependable.
Our licensed HVAC team fixes problems like furnaces that won’t start, blow cold air, turn on and off too often, make strange noises, or have trouble keeping up with Midlands weather.
Since 2008, homeowners in Lexington, Columbia, and the Midlands have trusted Kay Plumbing for heating repairs and comfort solutions.
Why Homeowners Choose Kay Plumbing for Furnace Repair
Family-Owned Since 2008
We’ve been helping Lexington and Richland County families with HVAC services for over 15 years.
Certified HVAC Technicians
Our technicians work on gas, electric, and hybrid heating systems using trusted HVAC techniques.
Advanced Heating Diagnostics
We find the real problem and won’t replace parts you don’t need.
Honest Recommendations
We suggest repairs that help your system run better and last longer.
Upfront Pricing
We explain everything up front and let you know the cost before any work begins.
Emergency Furnace Repair Available
Our team is here 24/7 for emergency heating problems, so you can get your comfort back fast, even on the coldest days.
Common Furnace Problems We Repair
Modern furnaces depend on many parts—like electrical, airflow, ignition, and safety systems—all working together.
Issues can show up with things like:
These issues can cause:
Many homes in Lexington and Chapin use dual-fuel systems, which need a professional if switching between heating stages doesn’t work right.
Emergency Furnace Repair Services
Heating systems often break down on the coldest nights, when they’re working their hardest.
Our emergency furnace repair services help address:
We put emergency calls first and send our technicians out quickly to get your heat back and protect your system during cold Midlands weather.
If you hear loud booming noises when your furnace starts or your carbon monoxide detector goes off, turn off your system, leave your home right away, and call Kay Plumbing’s 24/7 emergency HVAC line for help.
Why Furnaces Fail During Midlands Winters
Even though South Carolina winters aren’t as harsh as up north, heating systems in the Midlands still go through a lot each season.
Homes throughout:
People often run their heating at full blast during sudden cold snaps and quick temperature changes near Lake Murray and in open neighborhoods.
These weather changes may contribute to:
Heating systems that sit unused before winter can have trouble starting up when the cold finally hits the Midlands.
Gas Furnace Safety & Heating Diagnostics
Gas furnaces need safe ignition and good ventilation to run safely.
Our diagnostic process may include evaluating:
Modern furnaces have safety controls that shut off the system when unsafe conditions are detected.
Getting a professional to check your heating can catch safety problems early, before they turn into bigger issues.
Airflow Problems & Heating Efficiency
A lot of furnace problems start with airflow issues, not total equipment failure.
Common airflow issues include:
Poor airflow may contribute to:
We look over your entire heating system to help your furnace work better and use less energy.
Older Heating Systems & Legacy Furnace Parts
Many homes throughout:
still use older heating systems that are nearing the end of their lifespan.
By 2026, finding parts for older systems may become more difficult as HVAC technology advances.
Components like proprietary control boards, inducer motors, and older ignition assemblies may involve longer wait times and higher manufacturer pricing.
We track down hard-to-find parts so we can get your heat working again quickly.
Repair vs. Replacement: What’s the Better Option?
Not every furnace problem requires a complete system replacement.
Some systems may qualify for:
But if your older system keeps breaking down, has major part failures, or costs more to run, it might be time to replace it with a newer, high-efficiency model.
We look at your furnace’s age, condition, efficiency, and repair history to help you choose the best option.
Preventative Furnace Maintenance Matters
Most furnace problems build up slowly because of things like airflow issues, dirt, and normal wear over the season.
Routine maintenance helps:
It’s best to schedule maintenance before the winter cold hits Lexington and Richland Counties.
Kay Comfort Club Protection
Our Kay Comfort Club helps you stay on top of heating and plumbing problems with regular maintenance and priority appointments.
Membership benefits may include:
Our maintenance helps keep your heating safe and dependable all year long.
Schedule Furnace Repair Today
Heating problems usually don’t fix themselves.
Kay Plumbing offers furnace repair in Lexington and Richland Counties, with accurate diagnostics, emergency service, and long-term HVAC solutions.
Give us a call today to set up your furnace repair.
Service Areas
Kay Plumbing proudly provides emergency furnace repair services throughout:
Lexington County, SC
Richland County, SC
Our technicians often travel the main roads in the Midlands, such as I-20, I-26, Highway 378, US-1, Forest Drive, Sunset Boulevard, and Lake Murray Boulevard.