Spring into Comfort with Lennox
Explore our HVAC services and take advantage of our spring promotion on Lennox products March 9th - June 12th, 2026
Premium Lennox HVAC Systems
Experience superior comfort, energy efficiency, and reliability with industry-leading Lennox products installed by North Texas's trusted HVAC experts at 1st Class Air Service.
Complete Lennox Product Line
As an authorized Lennox dealer, 1st Class Air Service offers the complete range of Lennox heating and cooling solutions. From high-efficiency air conditioners to advanced furnaces and air quality systems, we help you find the perfect system for your home and budget.
Lennox Air Conditioners
Lennox air conditioners deliver exceptional cooling performance with SEER ratings up to 28. Engineered for whisper-quiet operation (as low as 55 dB), these ENERGY STAR® certified systems feature variable-speed compressors for precise temperature control.
Lennox Furnaces
Lennox furnaces provide reliable warmth with AFUE ratings up to 99%, meaning virtually all fuel converts to heat. Advanced features include variable-speed blowers, modulating gas valves, and advanced filtration systems for improved indoor air quality.
Lennox Heat Pumps
Year-round comfort with Lennox heat pumps that efficiently cool in summer and heat in winter. Perfect for North Texas climate, these systems achieve up to 23.00 SEER2 and 10.30 HSPF2 ratings with variable-capacity compressors.
Air Quality Systems
Breathe easier with Lennox air purifiers, humidifiers, and ventilation systems. Remove allergens, control humidity levels, and ensure fresh, clean air throughout your home with advanced filtration technology.
Why Choose Lennox?
Industry-Leading Efficiency
Lennox systems consistently rank among the most energy-efficient HVAC products available. With top SEER ratings and ENERGY STAR® certifications, you'll save money on utility bills while reducing your environmental impact.
Proven Reliability
With over 125 years of innovation, Lennox builds systems that last. Backed by comprehensive warranties and our expert installation by certified technicians, your investment is protected for years to come.
Smart Technology
Control your comfort from anywhere with smart thermostats and Wi-Fi connectivity. Lennox systems integrate seamlessly with your smart home, allowing you to adjust temperature, monitor energy usage, and schedule maintenance from your smartphone.
Ready to Upgrade to Lennox?
Our certified technicians will help you select the perfect Lennox system for your home and budget. Get expert installation, upfront pricing, and service you can trust. We're available 7 days a week for fast, reliable service. Call us today at (972) 903-8669 or book your free consultation online.