HVAC Services in Lexington, KY

Central Kentucky asks a lot of an HVAC system. Summers pair real heat with dew points in the upper 60s and low 70s, putting a heavy latent load on every cooling system. Winters bring cold, damp stretches that stress furnaces and demand combustion-safe equipment. The water that runs through every condensate drain and humidifier in Fayette County carries the limestone hardness that defines the Bluegrass region. And the housing stock spans a full century — from 1920s brick homes in Ashland Park with converted gravity furnaces to tightly insulated new builds in Andover. Lexington Heating and Air handles all of it, residential and commercial, from a single shop on Cassidy Ave. This page is the starting point. Pick a category to explore, or call (859) 215-5241 to talk through what your system needs.

Cooling Services

A Lexington July is not the dry heat of the Mountain West. The humidity is a cooling load in its own right, and equipment selected only for temperature short-cycles in our climate, satisfies the thermostat fast, and leaves the house cool but clammy. We size, install, and service cooling systems for both the sensible and the latent load that a Bluegrass summer demands.

• AC Installation
• AC Repair
• AC Tune-Up
• AC Capacitor Replacement
• AC Compressor Repair
• Refrigerant Recharge
• Swamp Cooler Service
• Evaporator Coil Repair

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Heating Services

Kentucky winters are cold and damp rather than the dry deep freeze of the northern plains, which puts particular demands on combustion equipment and venting. We install and service gas furnaces, modern heat pumps suited to our Climate Zone 4A, and the boilers and hydronic systems still common in older Lexington homes — with combustion analysis on every visit and safety-first attention to heat exchangers and carbon monoxide.

• Furnace Installation
• Furnace Repair
• Furnace Tune-Up
• Heat Pumps
• Heat Exchanger Repair
• Boiler Installation
• Boiler Repair
• Gas Line Installation

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Indoor Air Quality Services

Humid summers and older housing stock combine to make indoor air quality a serious comfort and health issue in central Kentucky, not an upsell category. Whole-home dehumidifiers, properly sized humidifiers for dry winter air, mechanical filtration matched to the system’s static pressure, and UV-C coil treatment that addresses the biofilm humidity encourages — we handle the IAQ work this climate actually needs.

• Duct Cleaning
• Humidifiers
• Dehumidifiers
• Air Purifiers
• UV Light Treatment
• Air Filter Replacement
• Carbon Monoxide Testing

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Maintenance Services

The cheapest HVAC repair is the one prevented by a tune-up the season before. Regular maintenance preserves efficiency, extends equipment life, and protects manufacturer warranty coverage — the last of which matters more than homeowners realize, since manufacturers can deny claims on neglected systems. In our humid climate, neglected coils and condensate drains are exactly the conditions manufacturers point to.

• HVAC Tune-Up
• HVAC Inspection
• Emergency Repair
• Maintenance Plans

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Installation Services

Installation is where comfort is won or lost — roughly 70–80% of a system’s real-world performance comes from sizing and craftsmanship rather than the brand on the cabinet. We size every system with a Manual J load calculation, weight the equipment selection for Lexington’s Climate Zone 4A demands, and verify ductwork can deliver the airflow the new system requires before any equipment is installed.

• HVAC Replacement
• Ductless Mini-Splits
• Zoned HVAC
• Smart Thermostats
• Thermostat Repair
• Air Handler Services

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Commercial Services

For a Fayette County office, retail space, or small commercial property, downtime translates directly into lost revenue and uncomfortable customers. We serve commercial clients with rooftop unit installation and service, scheduled maintenance contracts that prevent failures during peak seasons, and the same diagnose-first approach we bring to residential work.

• Commercial HVAC
• Commercial HVAC Maintenance
• Rooftop Units
• Service Contracts

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Why Choose Lexington Heating and Air

• Climate-specific expertise. Manual J load calculations weighted for Climate Zone 4A. Equipment selection that accounts for Bluegrass humidity. Maintenance intervals tuned to the hard water that defines this region’s plumbing.
• Diagnose before quoting. Combustion analysis, superheat and subcooling readings, microfarad testing — we quote the actual fault, not a worst-case guess.
• Licensed and insured. Kentucky HVAC contractor license through the Department of Housing, Buildings and Construction. EPA Section 608 Universal certification. General liability and workers’ compensation coverage. Permits pulled through LFUCG where required.
• Residential and commercial. One trusted Lexington-based team for your home and your business.

Frequently Asked Questions

What HVAC services does Lexington Heating and Air offer?

Six service categories: cooling, heating, indoor air quality, maintenance, installation, and commercial. That includes AC and furnace repair and installation, heat pumps, boilers, ductless mini-splits, zoned systems, smart thermostats, whole-home dehumidifiers, humidifiers, air purifiers, UV-C coil treatment, duct cleaning, carbon monoxide testing, scheduled maintenance, and commercial rooftop units and service contracts.

Do you serve both homes and businesses?

Yes. We serve residential customers throughout Lexington and Fayette County and handle commercial work for offices, retail spaces, and small commercial properties — including HVAC installation and maintenance, rooftop unit service, and ongoing service contracts.

What areas do you serve?

All of Lexington and Fayette County, including neighborhoods such as Ashland Park, Chevy Chase, Kenwick, Hamburg, Andover, Beaumont, Tates Creek, and Gardenside, plus the nearby communities of Nicholasville, Versailles, Georgetown, Wilmore, and Midway.

Do you offer emergency HVAC service?

[Confirm your emergency availability before publishing — whether you offer 24/7 or after-hours service, how to reach the emergency line, and any associated fees. This is one of the highest-intent questions for HVAC customers facing a no-heat or no-cool situation.]

How do I schedule service or get an estimate?

Call (859) 215-5241 to schedule service or request an estimate. We discuss your situation, give you a sense of next steps, and set a time that works for you. For new system quotes, expect a Manual J load calculation as part of the process — not a guess from a tape measure.

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Get Started With Lexington Heating and Air

Six service categories, one Lexington-based team, one diagnose-first method on every job. Call to schedule service, request a Manual J assessment, or talk through what your system is doing.

• Phone: (859) 215-5241
• Address: 343 Cassidy Ave, Lexington, KY 40502
• Email: [add business email before publishing]

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