Lex - Air Conditioning, Heating, Plumbing, Electrical
LEX Air Conditioning, Heating, Plumbing & Electrical is a family-owned, locally owned and operated home service company that has served the Dallas-Fort Worth metroplex since 2004 from its Plano headquarters. What began as an HVAC company has grown into a full-service provider covering air conditioning repair, installation and tune-ups, ductless mini-splits, heaters, furnaces, heat pumps, commercial HVAC, duct cleaning and replacement, indoor air quality and insulation, along with a full plumbing side handling water heaters, tankless water heaters, drains and hydro jetting, sewer and water lines, slab leaks, gas lines and repiping, and an electrical side covering panel replacement, home rewiring, generators, surge protection and EV chargers. The company works under Texas licenses TACLA38788C, M-18088 and TECL23192, is a Trane Comfort Specialist dealer, and offers 24/7 emergency service, same-day appointments, financing and a 100% satisfaction guarantee.
Services
AC repair
AC installation and replacement
AC tune-ups
Ductless mini-split AC
Heater and furnace repair
Why choose us?
Location & hours
901 Jupiter Rd, Plano, TX 75074
FAQs
Do you offer 24/7 emergency service?
Yes. LEX provides 24/7 emergency service for HVAC, plumbing and electrical emergencies throughout Dallas-Fort Worth. Whether your AC stops working in the middle of a Texas summer night or you have a burst pipe at 3 AM, on-call technicians are ready to help.
How quickly can you send a technician?
For most service calls LEX offers same-day appointments. The company's average response time for emergency calls is 30 to 45 minutes depending on your location in the DFW area, and trucks are kept stocked with common parts so technicians can often complete repairs in a single visit.
Are your technicians licensed and insured?
Yes. All LEX technicians are fully licensed, bonded and insured. The company holds Texas HVAC License #TACLA38788C, Master Plumber License #M-18088 and Electrical Contractor License #TECL23192, and technicians undergo background checks and continuous training.
Do you handle plumbing and electrical work as well as HVAC?
Yes. Alongside air conditioning, heating and indoor air quality, LEX handles plumbing work such as water heaters, drains, hydro jetting, sewer and water lines, slab leaks, gas lines and repiping, plus electrical work including panel replacement, home rewiring, generators, surge protection and EV charger installation.
Do you offer financing for HVAC replacement?
Yes. LEX offers flexible financing options for new HVAC systems, water heaters and major repairs, partnering with several financing companies for customers of all credit types. Promotional financing with 0% interest is available for qualified buyers.
What brands do you service and install?
LEX services all major HVAC brands including Trane, Carrier, Lennox, Rheem, Goodman, York, Bryant and American Standard. As a Trane Comfort Specialist dealer the team is factory-trained on Trane systems.
How long has LEX been in business?
LEX has served Plano, Frisco, Allen, McKinney, Carrollton and the greater Dallas-Fort Worth metroplex since 2004 as a multigenerational, family-run business, and is headquartered in Plano, TX.