Maintenance Plans
Preventative maintenance is the best way to avoid costly breakdowns. Please contact our staff to schedule your seasonal tune-ups.
Spring & fall tune-ups
Filter replacements
Serving Plano · Rockwall · McKinney & Surrounding North Texas Communities(972) 578-1701
Everything HVAC
Our Services
From emergency repairs to full system replacements, Lone Star Comfortaire handles every aspect of your home and commercial HVAC needs.
AC Repair & Service
When your air conditioner stops working in the Texas heat, you need fast, reliable help. Our licensed technicians diagnose and repair all major AC brands — same day when possible.
All major brands serviced
Same-day appointments available
Upfront diagnostic pricing
Warranty on all repairs
Heating Repair
From furnaces to heat pumps, we keep your heating system running efficiently through North Texas winters. Fast diagnostics, honest pricing, and reliable repairs.
Furnace repair & service
Heat pump repair
Emergency heating service
All brands & models
HVAC Replacement
If your system is aging or constantly breaking down, a new high-efficiency unit could save you money long-term. We offer free in-home quotes and flexible financing.
Free in-home estimates
High-efficiency systems
Flexible financing options
Professional installation
Schedule This Service
Indoor Air Quality
Breathe easier with whole-home air purification, filtration upgrades, and humidity control systems. We help create a healthier indoor environment for your family.
Air purifiers & filtration
Humidity control
UV light systems
For duct cleaning information, please call Mary
Emergency Service
HVAC emergencies don't wait for business hours. Our emergency team is available 24/7 to restore your comfort as quickly as possible.
24/7 availability
Fast response times
No overtime surcharge for members
All emergency repairs
Commercial HVAC
We service and install commercial HVAC systems for businesses throughout the Plano area. Minimize downtime with our responsive commercial service team.
Commercial repair & maintenance
Rooftop unit service
Preventative maintenance contracts
Not Sure What You Need?
Call us and we'll help you figure out the best solution for your home. No pressure, just honest advice from local HVAC experts.