What We Do

We Sell the Best, and Service the Rest!

McCullough is central Texas' leading air conditioning, heating and home energy conservation specialists. We're also one of the oldest locally owned, family-owned AC businesses in the area. We are experts in installation and maintenance of cooling and heating systems, indoor air quality and energy conservation.

We provide 24-hour, 7-day service throughout central Texas. You'll never pay an overtime charge, and we charge by the job - not by the hour.

Service & Maintenance:

Precision Tune-Ups
Home Comfort Maintenance Plan™
Emergency Service

Home Comfort Systems

High Efficiency Residential Heating & Air Conditioning Systems
Energy Audits
Weatherization
Indoor Air Quality

We also provide:

• Humidifiers
• Dehumidifiers
• Air Filters
• Carbon Monoxide Detectors
• Energy Saving Thermostats
• Zoning Systems