Air Conditioning, Heating, Ductless, and Indoor Air Quality Services in Carrollton, Plano, Frisco and Surrounding Areas

Lex Air Conditioning and Heating is full-service HVAC contracting company for residential and commercial properties. We are a Trane Comfort Specialist, and we’re proud of our excellent reputation in the community. We work hard every day to deliver the area’s best HVAC services so that our friends and neighbors stay comfortable indoors, no matter what the temperature is outside. In the Carrollton area, no other provider is as dedicated to your comfort.

Heating and Air Conditioning Services

Make Lex Air Conditioning and Heating your first call when your heating or cooling system needs work. Whether you’re looking for a fast repair at your home or a complete HVAC system for your office, we have the right products and service at the right price. But we don’t stop there. Every Lex Air Conditioning and Heating technician receives customer service training in addition to ongoing skills-based instruction. We take this extra step to help ensure that all of our clients are excited to recommend us to friends and family.

outdoor ac unit

Contact us when you want:


An energy analysis for a replacement system


Repair on any model of equipment


24-hour emergency service


No hidden fees and an accurate diagnosis


A quality and satisfaction guarantee


An affordable service agreement


Installation for new construction


Professionally certified technicians


Special offers and financing

hvac technician checking gauges

Preventive Maintenance

Pamper your heating and cooling units with an annual check-up. Lex Air Conditioning and Heating’s comprehensive service checklist is designed to keep your systems running their best for years to come. We clean up dust and clogs, tighten loose connections and check for wear. It makes sense to invest a little time and money into routine maintenance and head off common problems before they can cause an inconvenient breakdown. Join our Cool Club for savings on service and repairs all year long.

Learn More

hvac technician changing air filter

Indoor Air Quality Services

Whether you are concerned about allergens, pollutants or general health, improved indoor air quality is something the pros at Lex Air Conditioning and Heating can guide you on. Our technicians are happy to explain the latest technology in air filters, air cleaners, air purifiers, and ventilators. We want you to make an informed decision about protecting your health and your home.

Learn More

Local HVAC Pros Carrollton, TX

We want to earn your trust. When you choose Lex Air Conditioning and Heating, you’re getting an indoor comfort partner dedicated to your satisfaction. Contact us today to learn more about our services or to set up an appointment. Better comfort is just a phone call away.

Our Service Area

24/7 Emergency Services24-Hour Emergency Services Available

Call to Schedule an Appointment Today! 100% Satisfaction Guaranteed

Font Resize

Pin It on Pinterest