LENNOX AUTHORIZED DEALER — 30+ YEARS IN DFW
Expert Furnace Installation in Dallas & the DFW Metroplex
When your old furnace can’t keep up with Texas winters, our certified technicians deliver high-efficiency heating systems sized, installed, and calibrated to your home. No guessing. No shortcuts. Done right the first time.
Licensed & Insured
BBB A+ Rated
50+ Cities Served
What's Included
Free in-home evaluation and Manual J load calculation
Premium Lennox equipment up to 98.7% AFUE
Permits, old system removal and disposal
Ductwork connections and thermostat integration
Full testing, calibration and warranty registration
Financing available with 0% interest for 12 months
Signs You Need a New Furnace
If any of these sound familiar, it may be time to replace rather than repair.
15+ Years Old
Repair costs are climbing. Older furnaces lose efficiency every year.
Uneven Heating
Some rooms are warm while others stay cold, a sign of equipment failure.
Rising Energy Bills
Costs keep climbing despite regular maintenance. Your furnace is working too hard.
Frequent Repairs
More than two repairs per season? A new furnace costs less long-term.
Our Furnace Installation Process
Five steps from estimate to reliable heat. Every installation follows manufacturer specs and local building codes.
1
Free In-Home Estimate
System evaluation, ductwork assessment, and Manual J load calculation.
2
Equipment Selection
Choose from single-stage to variable-speed Lennox furnaces up to 98.7% AFUE.
3
Professional Installation
Permits, removal, new furnace, ductwork, and thermostat integration.
4
Testing and Calibration
Airflow, gas pressure, safety controls, and thermostat calibration verified.
5
Walkthrough and Warranty
System demo, warranty registration, and maintenance reminders set up.
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Why Dallas Homeowners Choose Us for Furnace Installation
Lennox Authorized Dealer with manufacturer-backed warranties
Proper Manual J load calculations, sized right not guessed
Transparent pricing with free estimates and no hidden fees
Texas License #TACLB00018282E, fully licensed and insured
Flexible financing including 0% interest for 12 months
Ready for a New Furnace?
Free in-home estimates with transparent, upfront pricing. Financing available.
Furnace Installation Across 50+ DFW Cities
Family-owned, locally operated, and trusted by your neighbors across the Dallas-Fort Worth metroplex.
Cities We Serve
Plano, Dallas, Allen, Frisco, McKinney, Arlington, Richardson, Lewisville, Denton, Carrollton, Garland, Irving, and many more communities across the metroplex.
1st Class Heat and Air
Family-owned, locally operated, and trusted by your neighbors across the Dallas-Fort Worth metroplex.
When Quality Counts. | License #TACLB00018282E | www.1stclassairservice.com | 972-351-8383