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50 Years
experience
Emergency
services
Your Trusted HVAC Partner in Nicholasville, KY
Founded in 1976, Stewart Air Conditioning & Heating Air Conditioning & Heating has built a reputation as a trusted HVAC contractor serving Central Kentucky. Our team of licensed, EPA-certified professionals prioritizes customer satisfaction through reliable repair, maintenance, and installation services for heating and cooling systems. With decades of combined experience, we adhere to strict industry standards while maintaining a family-owned commitment to personalized service.

Our state-licensed, fully insured team offers competitive pricing, free estimates, and flexible scheduling to accommodate urgent needs. As a Better Business Bureau member, we emphasize transparency, ethical practices, and treating every property with the care we would our own. Serving Lexington, Georgetown, Nicholasville, and surrounding areas, we combine technical expertise with a focus on long-term customer relationships.
Services
Air Conditioner Repair Furnace Installation Preventative Maintenance Indoor Air Quality Thermostat Services Emergency Repairs Duct Replacement System Diagnostics Air Purification Heating Installation
Details
  • Year established: 1976
Highlights and features
  • We have over 40 years of HVAC experience serving Central Kentucky
  • Our technicians are EPA-certified and state-licensed professionals
  • We guarantee on-time service with no hidden fees or charges
  • We provide free system evaluations and competitive pricing
  • Our proven track record shows 98% customer satisfaction rate
Associations and certifications
  • EPA-certified
  • Better Business Bureau
What people say
Prompt service Professional staff Reasonable price Highly recommended Skilled technicians
Services
Air Conditioner Repair
Our licensed technicians provide rapid diagnosis and repair of cooling system malfunctions. Using specialized tools and manufacturer-approved parts, we restore functionality to residential AC units while explaining repair processes to homeowners. Emergency service available during peak summer months.
Heating System Installation
We install energy-efficient heating systems meeting current building codes. Our team handles complete system replacements including proper venting, gas line connections, and thermostat integration. All installations include operational training and manufacturer warranty registration for homeowner protection.
Preventative Maintenance
Scheduled tune-ups extend equipment lifespan while improving energy efficiency. Our comprehensive inspections cover electrical connections, lubrication points, filter replacements, and safety controls. Regular maintenance reduces breakdown risks and maintains manufacturer warranty validity for residential systems.
Indoor Air Quality
We identify and mitigate indoor air contaminants through professional duct cleaning, HEPA filter installation, and UV air purification systems. Our solutions address allergens, mold spores, and chemical pollutants to create healthier living environments for homeowners.
Thermostat Services
Our technicians install and calibrate programmable thermostats that optimize temperature control. We integrate smart thermostat systems with existing HVAC equipment to improve energy management while maintaining comfort levels throughout residential properties.
Questions
What HVAC services do you offer?
We provide complete HVAC solutions including AC repair, furnace installation, preventative maintenance, indoor air quality assessments, and thermostat services for residential clients.
Are you available for emergency repairs?
Yes, we offer emergency HVAC repair services with technicians available to respond promptly during system failures affecting home comfort and safety.
Do you service all HVAC brands?
Our technicians work on all major HVAC equipment brands, using specialized diagnostic tools and manufacturer-specific repair techniques to maintain warranty compliance.
How quickly can you schedule service?
We prioritize emergency calls and typically respond within 2 hours. Routine maintenance appointments are available with flexible scheduling options including evenings and weekends.
What areas do you serve?
We serve Nicholasville, Lexington, Georgetown, Versailles, Winchester, Midway, Paris, and Richmond with comprehensive HVAC services for residential properties.