Furnace Installer in Lexington & Richland Counties
Available 24/7
Emergency Plumbing Service
Top-Tier Certification
Master Plumber & HVAC Pro
1,500+ 5-Star Ratings
Trusted Across Lexington & Columbia
Professional Furnace Installation & Replacement Services
If your furnace is old or not working well, you may notice higher utility bills, less comfort, and trouble keeping your home warm during cold winters.
Kay Plumbing, Heating & Cooling offers expert furnace installation and replacement in Lexington and Richland Counties to improve heating, boost energy efficiency, and make your system more reliable.
Our licensed HVAC professionals make sure your new furnace is the right size and installed correctly, whether you are replacing an old unit, upgrading to something more efficient, or setting up a new home.
Since 2008, homeowners in Lexington, Columbia, and nearby Midlands communities have relied on Kay Plumbing for dependable heating installation and lasting comfort.

Why Homeowners Choose Kay Plumbing for Furnace Installation

Family-Owned Since 2008
We’ve been helping Lexington and Richland County homeowners with reliable HVAC solutions for over 15 years.

Professional System Sizing
We look at your home’s airflow, size, insulation, and heating needs to make sure your new furnace is the right fit.

Certified HVAC Technicians
We install gas, electric, and hybrid heating systems using proven HVAC methods.

Honest Equipment Recommendations
We recommend systems that match your comfort needs and help you save energy.

Upfront Pricing
We explain everything up front and give you clear pricing before we begin any installation.

Long-Term Heating Reliability
Our installation process helps your system last longer, run more efficiently, and perform well all year.
Signs It May Be Time for Furnace Replacement
As furnaces get older, they slowly become less efficient before they break down completely.
Common signs a furnace may need replacement include:
Many older heating systems throughout:
Many of these systems are reaching the end of their service life, and their parts are getting harder to maintain.
A professional can help you decide if replacing your furnace will be more reliable and efficient in the long run than making more repairs.

Modern Furnace Installation Options
Modern heating systems are more efficient, run more quietly, and give you better control over your home’s temperature than older models.
We install:
Modern systems are designed to:
Having your system installed by a professional helps it work better and last longer.

Dual-Fuel Heating Systems for Midlands Homes
Many homes in Lexington and Richland Counties use dual-fuel systems, which combine a heat pump with a gas furnace for better performance.
These hybrid systems automatically switch between:
This setup helps improve:
Dual-fuel systems have become increasingly popular throughout:
Homeowners in these areas want both energy savings and dependable heating during cold weather.

Why Proper Furnace Sizing Matters
If your furnace is too big or too small, it can cause comfort and efficiency problems.
Improper sizing may contribute to:
Our installation process evaluates:
Making sure your system is the right size helps keep your home comfortable and your HVAC running well for years.

2026 Heating Efficiency & South Carolina Rebates
By 2026, the HVAC industry is moving more toward high-efficiency heating systems and newer electric technologies.
The South Carolina Energy Office is rolling out the HOMES and HEAR rebate programs as part of federal energy initiatives. Qualifying for these rebates may require meeting specific efficiency and equipment criteria. Homeowners may also be able to combine state rebates with Dominion Energy incentives and federal tax credits, provided all eligibility requirements are met. Timing and application details may vary by program.
For many Midlands homeowners, these combined programs may help offset the cost of:
Our team keeps up with changing rebate rules and efficiency standards so we can help you get the most savings possible.

Furnace Installation & Indoor Airflow
Installing a new furnace is more than just swapping out old equipment.
Our installation process may also evaluate:
Many larger two-story homes throughout:
often have trouble keeping temperatures even between floors when it gets cold.
We evaluate whether your home may benefit from:
These solutions can fix the common problem of having cold rooms downstairs and overheated rooms upstairs in many Midlands homes.
Gas Furnace Safety & Code Compliance
Modern furnace installations need to be safe, properly vented, and follow all building codes.
Our team verifies:
Having a professional install your furnace makes it safer and helps it work reliably for years.
Repair vs. Replacement: What’s the Better Option?
Some heating systems can still be repaired, but others are better off being replaced.
Replacement may become the better option when:
In 2026, many HVAC manufacturers are prioritizing newer, variable-speed, high-efficiency equipment. Older blower assemblies, control boards, and legacy heat exchanger components may now involve lengthy winter backorders.
Replacing your furnace before it fails can help you avoid losing heat during a cold snap in the Midlands.

Kay Comfort Club Protection
With our Kay Comfort Club membership, you can stay ahead of heating and plumbing problems thanks to regular maintenance and priority scheduling.
Membership benefits may include:
Regular maintenance helps keep your heating system safe and reliable all year long.
Schedule Your Furnace Installation Estimate
Getting ready for winter ahead of time can help you avoid emergency heating breakdowns and expensive repairs.
Kay Plumbing provides furnace installation and replacement in Lexington and Richland Counties, making sure your system is the right size and installed by experts you can trust.
Don’t wait. Call today and let Kay Plumbing set up your furnace installation estimate, so you can have reliable heating before the next cold snap.
Service Areas
Kay Plumbing proudly provides emergency plumbing 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.
