Professional heater tune-ups and furnace maintenance to keep your home warm, safe, and energy-efficient all winter long.
Winter in North Texas can be unpredictable. When temperatures drop, the last thing you want is a heating system that fails when you need it most. Regular heater maintenance is the best way to ensure your furnace runs reliably, efficiently, and safely throughout the cold season.
At LEX Air Conditioning, we provide comprehensive annual heater tune-ups and furnace maintenance services for homeowners across the Dallas-Fort Worth metroplex. Our expert technicians inspect, clean, and optimize your heating system to prevent breakdowns, reduce energy costs, and extend the life of your equipment. With over 22 years of experience serving DFW families, we know what it takes to keep your home comfortable all winter long.
Comprehensive preventive maintenance to keep your heating system running at peak performance.
Complete system inspection and tune-up to ensure your furnace is ready for winter. We check all components, clean burners, test safety controls, and verify proper operation.
Detailed inspection of your furnace system including heat exchanger, burner assembly, flame sensors, and electrical connections to identify potential issues before they become problems.
Professional filter replacement with high-quality filters sized specifically for your system. Clean filters improve air quality, efficiency, and protect your equipment from damage.
Comprehensive safety inspection including carbon monoxide testing, gas pressure verification, flame sensor testing, and safety shut-off controls to protect your family.
System calibration and adjustments to maximize energy efficiency, reduce utility bills, and improve heating performance throughout your home.
Join our Cool Club maintenance program for scheduled tune-ups, priority service, special discounts, and peace of mind knowing your system is always maintained.
Preventive maintenance isn't just about avoiding breakdowns — it's about safety, efficiency, and long-term savings.
Regular maintenance catches small issues before they become expensive heater repairs. Most breakdowns happen during peak winter demand — preventive care keeps your system running when you need it most.
A well-maintained furnace runs 10-30% more efficiently than a neglected one. Clean burners, calibrated controls, and proper airflow mean lower utility bills all winter long.
Heaters that receive annual maintenance last significantly longer than those that don't. Protect your investment and delay costly replacement by keeping your system properly maintained.
Cracked heat exchangers and faulty combustion can create dangerous carbon monoxide leaks. Our safety inspections identify hazards and keep your family safe from invisible dangers.
Most manufacturers require annual professional maintenance to keep warranties valid. Skip maintenance, and you could void your coverage when you need it most.
Clean filters, burners, and blower components mean cleaner air circulating through your home. Better for your lungs and better for anyone with allergies or respiratory issues.
Ready to schedule your annual heater maintenance? Don't wait until your furnace fails in the middle of winter.
Call for Same-Day ServiceWhat to expect during your comprehensive heater tune-up appointment.
Call us or book online for a convenient appointment time. We recommend scheduling maintenance in early fall before heating season begins, but we're available year-round when you need us.
Our licensed technician arrives on time and performs a comprehensive inspection of your entire heating system — from the thermostat to the heat exchanger, burner assembly, and exhaust venting.
We clean burners and flame sensors, replace filters, lubricate moving parts, test safety controls, calibrate the thermostat, and ensure proper airflow throughout your system.
We fire up your system and verify proper operation, test for carbon monoxide, measure gas pressure, and provide you with a detailed report of our findings and recommendations.
All of our heating technicians are fully licensed, NATE-certified, and background-checked. We hire the best professionals in the industry.
We don't cut corners. Our multi-point inspection covers every critical component of your heating system for complete peace of mind.
You'll know the cost upfront before we begin. No hidden fees, no surprises — just honest, fair pricing you can trust.
We maintain and service all major heating brands including Trane, Carrier, Lennox, Rheem, Goodman, York, and more.
We work around your schedule with flexible appointment times. Most maintenance visits are completed in 60-90 minutes.
We're not a franchise or big corporation. We're your neighbors, serving DFW families with integrity for over 22 years.
"We've been using LEX for our annual heater maintenance for five years now. They're always on time, professional, and thorough. This year they caught a cracked heat exchanger that could have been dangerous. I'm so glad we stayed on top of maintenance — they probably saved our lives!"— Jennifer M., Plano, TX
We believe in transparent, upfront pricing. Here's what you can expect for heater maintenance services:
*Cool Club membership includes two tune-ups per year (heating + cooling), priority scheduling, and exclusive discounts on repairs.
Call us today for current pricing and special offers on heater maintenance and annual maintenance plans.
(972) 466-1917Financing available with approved credit
Our technicians are trained to maintain all major heating system brands.
Don't see your brand? We service all makes and models. Call us to confirm.
We provide professional heater maintenance and furnace tune-ups throughout the Dallas-Fort Worth metroplex.
We offer complete heating solutions for your home.
We recommend annual heater maintenance, ideally in early fall before heating season begins. Regular maintenance prevents breakdowns, maintains efficiency, and extends the life of your equipment. If you have an older system or use it heavily, you may benefit from maintenance twice per year.
Our comprehensive heater maintenance includes: inspection of the heat exchanger, burner assembly, and electrical components; cleaning of burners and flame sensors; filter replacement; safety control testing; carbon monoxide testing; thermostat calibration; airflow verification; and a complete operational test. You'll receive a detailed report of our findings.
Most heater maintenance appointments take 60-90 minutes depending on the type and condition of your system. Our technicians work efficiently while being thorough to minimize disruption to your day.
Yes! Regular maintenance catches small issues before they become major problems. Most heater breakdowns are caused by neglected maintenance — dirty burners, worn components, or safety controls that haven't been tested. Annual tune-ups dramatically reduce the risk of mid-winter failures.
Absolutely. A well-maintained furnace runs 10-30% more efficiently than a neglected one. Clean burners burn fuel more completely, proper airflow reduces strain on the blower, and calibrated controls prevent wasteful cycling. Most homeowners see the cost of maintenance returned in energy savings within the first heating season.
Yes! Many heater problems develop gradually without obvious symptoms. A cracked heat exchanger can leak dangerous carbon monoxide while the heater still produces heat. Dirty burners reduce efficiency before they cause complete failure. Regular maintenance identifies hidden problems and keeps your family safe.
We service all major heating brands including Trane, Carrier, Lennox, Rheem, Goodman, York, American Standard, Bryant, Amana, Daikin, Ruud, Coleman, and more. Our technicians are trained on all types of furnaces, heat pumps, and heating systems.
Maintenance (tune-up) is preventive care — inspection, cleaning, and adjustment of a working system to keep it running well. Repair addresses a specific problem or failure. If we discover an issue during maintenance that requires repair, we'll provide upfront pricing before proceeding with any additional work.
Protect your family, lower your energy bills, and prevent costly breakdowns with professional heater maintenance from LEX Air Conditioning.
Serving DFW since 2004 • 2,000+ 5-Star Reviews
