HVAC Services in Lexington & Richland Counties

Your Local HVAC Company Proudly Serving the Midlands, SC Community

Available 24/7

Emergency HVAC Services

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HVAC Pro Certified Experts

1,500+ 5-Star Ratings

Trusted Across Lexington & Columbia

Trusted HVAC Services for Homes Throughout the Midlands, SC

From scorching summer afternoons to chilly winter nights, homeowners need a dependable HVAC company they can count on to keep their homes comfortable, efficient, and running smoothly year-round. Kay Plumbing, Heating & Cooling delivers professional HVAC services throughout Lexington County, Richland County, and the surrounding Midlands SC communities.

Whether you need emergency HVAC repairs, a high-efficiency system installation, preventative maintenance, or a ductless mini-split upgrade, our team is committed to delivering reliable solutions, quality workmanship, and exceptional customer care.

Since 2008, our family-owned HVAC company has proudly served homeowners in Lexington, Irmo, Columbia, West Columbia, Cayce, Chapin, Blythewood, and nearby areas with trusted heating and cooling services designed for year-round comfort.

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Our HVAC Services

24/7 Emergency HVAC Repair: Comfort Restored When You Need It

Extreme South Carolina temperatures can put your comfort at risk fast, which is why our team is always ready to respond. When your HVAC system stops working during a summer heatwave or a freezing winter night, you need dependable service without the wait. Kay Plumbing, Heating & Cooling provides reliable 24/7 emergency HVAC repair throughout Lexington County, Richland County, and surrounding Midlands communities.

  • No Automated Runarounds: Call us at 2 AM or on a holiday, and you’ll speak to a real person ready to help.
  • Rapid Response Teams: Our trucks are fully stocked as “warehouses on wheels,” meaning we can usually fix your system on the very first visit.
  • Safety First: We prioritize vulnerable households, including seniors, infants, and pets, to ensure no one is left stranded in dangerous indoor temperatures.

Complete AC or Furnace breakdown? Contact our 24/7 HVAC experts today to get your cool air restored fast.

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Why Homeowners Trust Us for HVAC Services

Since 2008, homeowners across the Midlands have relied on Kay Plumbing, Heating & Cooling for dependable HVAC solutions and exceptional customer care. We take pride in delivering honest advice, skilled workmanship, and reliable service that keeps families comfortable year-round.

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Family-Owned HVAC Company

A family-owned business serving the Midlands for more than 15 years, we’re dedicated to honest, dependable service, and long-term relationships with our customers.

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Highly Rated by Local Homeowners

With more than 1,500 five-star reviews and an A+ BBB rating, Kay Plumbing & Heating is a trusted AC company for homeowners throughout Midlands communities.

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Certified & Experienced HVAC Professionals

Our EPA-certified technicians are trained to repair, install, and maintain all kinds of home cooling systems.

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Honest Pricing & Clear Communication

We provide transparent pricing and straightforward recommendations so homeowners always feel confident about their HVAC decisions.

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Energy-Efficient & Environmentally Friendly HVAC Solutions

We prioritize high-efficiency heating and cooling systems along with modern eco-friendly HVAC technology to improve indoor comfort and reduce monthly costs.

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Local Expertise You Can Trust

From intense summer heat to heavy humidity levels, we understand the cooling issues homeowners experience throughout Lexington and Richland Counties.

Reduce Your Utility Bills with High-Efficiency Cooling and Heating

If your current air conditioner is over a decade old, it may be struggling to keep your home comfortable while causing your energy bills to climb. Replacing it with a modern high-efficiency AC system or ductless mini-split can deliver better comfort, lower operating costs, and improved performance.

  • Lower Monthly Energy Costs: Today’s advanced SEER2 cooling systems are designed to use far less electricity, helping homeowners reduce monthly utility expenses without sacrificing indoor comfort.
  • Advanced Cooling Technology (A2L Refrigerants): We install modern eco-conscious HVAC systems built with next-generation A2L refrigerants. These systems provide improved energy efficiency, faster cooling performance, and a lower environmental impact compared to older equipment.
  • More Affordable Upgrades: Ask our team about available federal tax incentives, local utility rebates, and flexible financing solutions that can make upgrading your cooling system more budget-friendly than ever.

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Flexible Financing Options

Upgrade your home comfort without the financial stress. With our flexible financing options, you can install a new or improved cooling system right away and pay over time with confidence.

Explore our financing options.

Annual Maintenance Subscriptions

Maintain your comfort, avoid surprise repair costs, and help extend the lifespan of your equipment with routine AC maintenance. Ask about our Kay Comfort Club Protection membership for reliable performance year after year.

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Schedule Service with a Trusted HVAC Company in Lexington & Richland Counties

Whether your air conditioner or furnace stopped working late at night, or you’re ready to lower your summer energy costs with a high-efficiency system upgrade, the team at Kay Plumbing, Heating & Cooling is ready to help.

Don’t suffer through another uncomfortable day. Discover the honest pricing and 5-star service homeowners across the Midlands rely on.

Service Areas

Our AC Company proudly provides HVAC services throughout:

Our technicians regularly travel major Midlands corridors, including I-20, I-26, Highway 378, US-1, Sunset Boulevard, Forest Drive, and Lake Murray Boulevard.

Frequently Asked Questions

Most HVAC systems should be professionally serviced twice a year — once in the spring for cooling and once in the fall for heating. Routine maintenance helps improve efficiency, reduce breakdown risks, and extend the lifespan of your equipment.

Common warning signs include weak airflow, unusual noises, uneven temperatures, rising energy bills, short cycling, or warm air coming from your vents. If you notice any of these issues, it’s best to schedule service before the problem worsens.

Yes. Kay Plumbing, Heating & Cooling offers 24/7 emergency HVAC repair throughout Lexington County, Richland County, and surrounding Midlands communities to restore comfort as quickly as possible.

Most heating and cooling systems last between 10–15 years with proper maintenance. Factors like system quality, usage, and regular tune-ups can all impact overall lifespan and performance.

Regular maintenance, changing air filters frequently, sealing air leaks, and upgrading to a high-efficiency HVAC system can all help reduce monthly energy costs and improve indoor comfort.

If your system requires frequent repairs, struggles to maintain temperatures, or is more than 10–15 years old, replacement may be the more cost-effective long-term solution. Our team can help you compare your options honestly.

Ductless mini-splits provide energy-efficient heating and cooling for individual rooms or zones without requiring ductwork. They offer flexible comfort control, quiet operation, and improved energy savings.

Your HVAC system may run continuously because of dirty filters, thermostat issues, poor insulation, refrigerant problems, or an improperly sized unit. A professional inspection can identify the cause and restore efficient operation.