Texas Comfort,
Year-Round.
Lone Star Comfortaire delivers expert HVAC repair, replacement, and maintenance to North Dallas-area homeowners. Fast response. Honest pricing. Local technicians you can trust.
Licensed & Insured
Fully certified technicians
Fast Response Times
Same-day service available
Upfront, Honest Pricing
No hidden fees ever
Local North Dallas-Area Experts
Serving North TX since day one
40+
Years of Experience
5,000+
Happy Customers
4.9★
Average Rating
24/7
Emergency Service
Full-Service Heating & Cooling
What We Do
Full-service heating and cooling for your home — repair, replacement, maintenance, and more.
HVAC Service & Repair
When your system breaks down, we show up fast. Diagnostic, repair, and tune-up services for all major brands. Same-day appointments often available.
Book a RepairHVAC Replacement
Old system costing you money? We install high-efficiency units with free in-home quotes and flexible financing options.
Products
Browse our selection of quality HVAC equipment and accessories — from smart thermostats to high-efficiency systems.
AC Repair & Service
Fast diagnostics and repair for all major brands. We restore your comfort quickly.
Heating Repair
Furnace, heat pump, and heating system repair when you need it most.
HVAC Replacement
Free in-home quotes on high-efficiency systems with flexible financing options.
Maintenance Plans
Priority scheduling, seasonal tune-ups, and reduced repair costs year-round.
Indoor Air Quality
Air purifiers, filtration systems, and humidity control for healthier air.
Emergency Service
24/7 emergency HVAC service — because breakdowns don't wait for business hours.
North Texas Coverage
Proudly Serving
the North Dallas Area
We're your neighbors — local technicians serving Plano, Rockwall, McKinney, and surrounding North Texas communities with the reliability and honesty you deserve.
See All Service AreasPlano, TX
Our home base — fast response times throughout Plano and surrounding neighborhoods.
Rockwall, TX
Full HVAC service available across Rockwall County.
McKinney, TX
Serving McKinney homeowners with expert heating and cooling solutions.
Allen · Frisco · Richardson
Extended coverage across the North Dallas corridor.
Customer Reviews
What Our Customers Say
"Lone Star Comfortaire came out the same day my AC stopped working in July. The technician was professional, diagnosed the issue quickly, and had us cool again within hours. Honest pricing — no surprises."
Jennifer M.
Plano, TX
"We replaced our entire HVAC system with Lone Star. They walked us through every option, never pushed us toward the most expensive unit, and the installation was flawless. Highly recommend."
Robert K.
McKinney, TX
"I've used them for annual maintenance for three years now. Always on time, always thorough. My energy bills have dropped noticeably since I started their maintenance plan."
Sandra T.
Rockwall, TX
Our Team in Action
Real People. Real Service.
Available Around the Clock
24-Hour Emergency HVAC Service
Breakdowns don't wait for business hours — and neither do we. Call anytime, day or night.
Get Started Today
Ready to Get Comfortable?
Call or click to schedule service. Same-day appointments often available. Our friendly team is standing by to restore your home comfort.
Our Location