Lennox High-Efficiency Air Conditioners: Silent Power in Calgary
Maximum Efficiency Leader - Up to 98.7% AFUE
Lennox leads the industry in energy efficiency innovation.
Why Choose Lennox Systems

Greenspeed Intelligence
Dave Lennox Signature Collection achieves 98.7% AFUE - highest available.

SilentComfort Technology
Variable-speed operation reduces noise to 40-50 dB - quieter than a library.

iComfort Smart Thermostat
Learning technology adapts to your schedule automatically.

PureAir System Integration
Removes 99.98% of airborne particles, allergens, and viruses.
Precise Comfort Technology
Maintains temperatures within 0.5°F for ultimate comfort.
Lennox Furnace Systems
Dave Lennox Signature (96-98.7% AFUE)
Premium modulating furnaces delivering maximum efficiency and whisper-quiet operation.
Elite Series (92-95% AFUE)
Two-stage furnaces balancing efficiency and affordability.
Merit Series (80-90% AFUE)
Budget-friendly reliability with modern efficiency.
Lennox Air Conditioning
Dave Lennox Signature (Up to 26 SEER)
Industry-leading cooling efficiency with Quantum Coil technology.
Elite Series (18-22 SEER)
Excellent balance of efficiency and value.
Merit Series (14-16 SEER)
Reliable cooling at competitive pricing.
Lennox Heat Pumps
Dave Lennox Signature (Up to 13 HSPF)
Premium year-round comfort reducing energy costs by 45-65%.
Elite Heat Pumps (10-12 HSPF)
Balanced efficiency for whole-home comfort.
PureAir Purification
Hospital-Grade Filtration:
Quiet operation
Removes 99.98% of particles
Three-stage purification
Whole-home protection
iComfort Smart Features
Learning technology
Smart Away mode
Feels Like temperature
Remote access
Energy reports
Allergen Defender
Lennox Warranty Protection
Heat Exchanger
Parts
Compressor
Extended Labor Options
Why Choose Purcell for Lennox
Factory-Certified Lennox Experts
Rigorous training on advanced technologies.
29 Years Calgary Experience
Deep understanding of local climate requirements.
Dave Lennox Signature Specialists
Extensive experience with premium systems.
Quality Installation Guarantee
Comprehensive warranty backing every installation.
Service Areas
Calgary
Nearby Cities
- Airdrie
- Okotoks
- Cochrane
- Chestermere
- High River
- Strathmore
- Canmore
Rural Areas
- Bragg Creek
- De Winton
- Langdon
- Didsbury