AC Installation

Tired of Sky-High Electric Bills? Upgrade & Save Today.

(803) 566-8728

Up to $1,500 off

new HVAC system

Top-Tier Certification

HVAC Pro

1,500+ 5-Star Ratings

Trusted Across Lexington & Columbia

AC Installation in Lexington & Richland Counties

Blowing warm air or completely shut down? Don’t suffer in the South Carolina heat. Kay Plumbing, Heating & Cooling has expert HVAC technicians standing by for rapid response across Lexington & Richland Counties.

FREE HVAC REPLACEMENT ESTIMATE

EASY FINANCING IS AVAILABLE

Low monthly payment options

Dominion Energy Rebates: We manage the complex compliance paperwork for you.
Lifetime Repair Warranty: We stand behind our equipment and craftsmanship.

Is It Time to Replace or Keep Repairing?

Many homeowners keep spending money patching up an old system without realizing how much that system is wasting on monthly power bills. With Up to $1,500 Off and Flexible Financing, it’s never been easier to upgrade if your system is experiencing:

System Age Over 10–15 Years: Older units use the legacy R-410A refrigerant, which is being phased out and is becoming increasingly expensive to service.
Skyrocketing Energy Costs: An inefficient, older unit strains to cope with South Carolina’s intense humidity, drawing more power each month.
Frequent or Costly Repairs: If a repair costs more than half the unit’s value, that money is better spent on a brand-new system with a lifetime warranty.

How an Energy-Efficient Upgrade Pays You Back

South Carolina summers are brutal, and running an old, inefficient AC is like throwing money out the window. Investing in a modern, energy-efficient system isn’t just good for the environment; it’s a massive win for your monthly household budget.

Cut Your Electric Bills by Up to 50%. Modern systems use advanced SEER2 technology. They pull significantly less electricity to cool your home, drastically lowering your power bills from day one.
Master the Midlands Humidity. An energy-efficient, variable-speed system doesn’t just blast cold air and shut off. It runs at lower, smarter speeds to continuously remove excess moisture and humidity from your indoor air, making your home feel instantly cooler.
Qualify for Maximum Rebates. Power companies don’t give rebates for standard units. By installing an energy-efficient platform, you unlock Dominion Energy South Carolina Residential Savings and position your home for evolving state energy upgrades.

The Kay Difference: Premium Comfort, Managed Cost

A brand-new, high-efficiency AC unit will only perform as well as the team that installs it. That’s why Midlands families choose Kay:

Expert System Sizing & Guidance

We look at your home’s square footage, insulation levels, and existing ductwork to match you with a perfectly sized SEER2 system.

We Streamline Your Utility Rebates

Every central AC installation we perform is fully documented to meet Dominion Energy South Carolina Residential Savings requirements.

Buy Now, Pay Over Time

Through our trusted digital lending partners, we offer quick mobile applications, fast credit decisions, and clear terms with no hidden fees so you can preserve your household cash flow.

Lifetime Repair Warranty

We protect your investment with long-term technical support and guaranteed customer care.

What Your Neighbors Are Saying

Chris did a terrific job and explained everything he was doing very well. He also included pictures and videos to help me understand the work he was doing.

– Eric Hulsemannopen

Technicians arrived on time and were great about explaining what they would be doing. Very pleasant and professional.

– William Baueropen

Installer was very professional explained everything to me would recommend this company

– Art Toddopen

Our 4-Step Seamless Installation Process

We know replacing your heating and cooling system is a big investment. That’s why we’ve streamlined our process to be as fast, clean, and stress-free as possible. Here is exactly what to expect on installation day:

1. Custom Home Preparation

Our team arrives on time in a fully stocked Kay service truck. Before a single tool comes out, we lay down floor protection and carpet runners along all work pathways to keep your home pristine.

2. Precision Removal & Fitting

We safely recover old refrigerant according to strict EPA guidelines, remove your obsolete unit, and meticulously prep your ductwork and concrete pad for the new, high-efficiency system.

3. Expert Setup & Safety Testing

Our licensed technicians install your new system, balance the airflow, calibrate your new digital thermostat, and run comprehensive electrical and performance safety tests to ensure peak SEER2 efficiency.

4. Complete Cleanup & Walkthrough

We sweep up and leave your property cleaner than we found it. We dispose your old unit at no extra charge and show you how to use your new system, and hand over your finalized paperwork for your Dominion Energy rebate.

Facing the 2026 Energy & Refrigerant Shift

The HVAC industry is actively transitioning toward next-generation environmental standards, rendering older systems obsolete. By upgrading your system now, you bypass the skyrocketing costs of maintaining older equipment. Plus, our team aligns your installation with evolving South Carolina Energy Office (SCEO) benchmarks, ensuring you maximize energy savings and state-level infrastructure compliance from day one.

Invest in Long-Term Comfort & Monthly Savings

Stop worrying about whether your old AC will survive the next July heat wave. Take advantage of Up to $1,500 Off, flexible financing, and a 100% Free Consultation. CALL FOR YOUR FREE ESTIMATE!

(803) 566-8728

Family-Owned and Operated

Licensed HVAC Technicians

A+ Rated by
BBB

Award-winninig
Company

Frequently Asked Questions

Our comfort specialists will apply eligible system discounts directly to your upfront estimate based on the size, efficiency rating, and model configuration of the new cooling platform you choose for your home.

The application process is entirely digital and can be completed right from your phone or computer during our estimate visit. Most homeowners receive an instant credit decision within minutes.

Yes. There is zero fee and zero obligation. We will evaluate your current system, run structural load calculations, and provide you with clear, transparent replacement options completely free of charge.