Air Flex Heating & Cooling Ltd.
Family Owned & Operated Heating and Cooling Company in Toronto
SL25KCV – The Most Precise and Efficient Air Conditioner Available
The most precise and efficient air conditioner available.
Offering the highest level of performance on the market, the Dave Lennox Signature® Collection SL25KCV air conditioner delivers the ultimate in consistently perfect air for your home. No other air conditioner comes close to its 26.00 SEER2 level of efficiency. From its innovative cabinet design that increases durability, to its digital communication features that maximize accurate control, it is without question the most precise and efficient air conditioner you can buy.
The perfect amount of quiet
To reduce operating sound levels, the SL25KCV uses a sound-dampening system with a precision-balanced, direct-drive fan to ensure smooth, quiet operation. This lets it operate at a volume as quiet as 58 dB, or the sound of a microwave.
Digitally intelligent for accuracy and efficiency
This truly digital product is designed to pair with the Lennox S40 Smart Thermostat as part of a fully communicating home comfort system. Sensors in the equipment allow the thermostat to diagnose issues and automatically make system adjustments to more accurately and efficiently maintain temperature, humidity and air quality.
Cabinets designed for reliability and serviceability
Our most innovative cabinet design features panels that fit securely to the unit to prevent excess noise, along with an easily removable louver panel that allows for quick access by your technician. This proprietary design makes Lennox units more attractive and durable, quieter and easier to install and service, so nothing stands between you and having perfect air in your home.
A refrigerant that’s better for the environment.
This product is compliant with 2025 EPA regulations for lower global warming potential (GWP) refrigerants. The Lennox choice of 2025 Compliant Refrigerant has a lower GWP than its predecessor and is formulated to provide excellent, reliable performance of your system for years to come.
High-efficiency, digital-ready, variable-capacity air conditioner compatible with 2025 Compliant Refrigerant
Digital ready for class-leading efficiency
When paired with digital equipment, the EL22KCV maximizes its efficiency with modern communication features to allow for more precise control of temperature and humidity. With an innovative cabinet design that increases durability, this 2025 Compliant Refrigerant air conditioner offers class-leading comfort, quiet and energy savings for your home.
A peacefully quiet environment
To reduce operating sound levels, the EL22KCV uses a sound-dampening system with a precision-balanced, proprietary direct-drive fan to ensure smooth, quiet operation. This lets it operate at a volume as quiet as 60 dB, or the sound of a microwave.
Use Less Energy. Save More Money
With efficiencies of up to 22.00 SEER2, the EL22KCV can deliver significant energy savings. In fact, it can help cut your energy bills and may even help you qualify for energy rebates.
Cabinets designed for reliability and serviceability
Our most innovative cabinet design features panels that fit securely to the unit to prevent excess noise, along with an easily removable louver panel that allows for quick access by your technician. This proprietary design makes Lennox units more attractive and durable, quieter and easier to install and service, so nothing stands between you and having perfect air in your home.
Variable capacity, constant efficiency
This product offers variable-capacity operation, meaning it can adjust cooling output like a dimmer switch to perfectly match your energy use to your comfort needs. This also helps control humidity more accurately.
A refrigerant that’s better for the environment.
This product is compliant with 2025 EPA regulations for lower global warming potential (GWP) refrigerants. The Lennox choice of 2025 Compliant Refrigerant has a lower GWP than its predecessor and is formulated to provide excellent, reliable performance of your system for years to come.
Mid-efficiency, digital-ready, variable-capacity air conditioner compatible with 2025 Compliant Refrigerant
Variable capacity, constant efficiency
This product offers variable-capacity operation, meaning it can adjust cooling output like a dimmer switch to perfectly match your energy use to your comfort needs. This also helps control humidity more accurately.
Use Less Energy. Save More Money
With efficiencies of up to 19.50 SEER2, the EL18KCV can deliver significant energy savings. In fact, it can help cut your energy bills and may even help you qualify for energy rebates.
A peacefully quiet environment
To reduce operating sound levels, the EL18KCV uses a sound-dampening system with a precision-balanced, direct-drive fan to ensure smooth, quiet operation. This lets it operate at a volume as quiet as 67 dB, or the sound of a clothes washer.
Your Digital Bridge into a World of Perfect Air
The efficient EL18KCV variable-capacity air conditioner is your digital bridge into a world of perfect air. When paired with a fully digital furnace or air handler and a Lennox S40 Smart Thermostat, it can step into a fully communicating home comfort system, maximizing its 19.50 SEER2 efficiency with modern communication features.
Cabinets designed for reliability
Cabinets built using superior materials and proprietary designs make Lennox units more attractive, durable and easier to install. Even maintenance is simplified thanks to the hinged design that allows quick access to the control panel and coils.
A refrigerant that’s better for the environment.
This product is compliant with 2025 EPA regulations for lower global warming potential (GWP) refrigerants. The Lennox choice of 2025 Compliant Refrigerant has a lower GWP than its predecessor and is formulated to provide excellent, reliable performance of your system for years to come.
Mid-efficiency, Single-Stage Air Conditioner Compatible with 2025 Compliant Refrigerant
The standard of operation
A single-stage unit is either on or off, working at full capacity when in use. With this simplified mode of operation, this product provides the heating and cooling levels you’d expect.
Use Less Energy. Save More Money
With efficiencies of up to 17.00 SEER2, the EL16KC1 can deliver significant energy savings. In fact, it can help cut your energy bills year-round. It may even help you qualify for energy rebates.
A peacefully quiet environment
To reduce operating sound levels, the EL16KC1 uses a sound-dampening system with a precision-balanced, direct-drive fan to ensure smooth, quiet operation. This lets it operate at a volume as quiet as 72 dB, or the sound of a handheld food mixer.
Our Uncontested Quantum™ Coil
With years of rigorous testing under the most extreme conditions, our Quantum Coil – featuring a proprietary aluminum alloy exclusive to Lennox – is designed to weather the harshest elements.
A refrigerant that’s better for the environment.
This product is compliant with 2025 EPA regulations for lower global warming potential (GWP) refrigerants. The Lennox choice of 2025 Compliant Refrigerant has a lower GWP than its predecessor and is formulated to provide excellent, reliable performance of your system for years to come.
Mid-efficiency, Single-Stage Air Conditioner Compatible with 2025 Compliant Refrigerant
The standard of operation
A single-stage unit is either on or off, working at full capacity when in use. With this simplified mode of operation, this product provides the heating and cooling levels you’d expect.
Use Less Energy. Save More Money.
With efficiencies of up to 16.00 SEER2, the EL15KC1 can deliver significant energy savings. In fact, it can help cut your energy bills year-round. It may even help you qualify for energy rebates.
A peacefully quiet environment
To reduce operating sound levels, the EL15KC1 uses a sound-dampening system with a precision-balanced, direct-drive fan to ensure smooth, quiet operation. This lets it operate at a volume as quiet as 72 dB, or the sound of a handheld food mixer.
Our Uncontested Quantum™ Coil
With years of rigorous testing under the most extreme conditions, our Quantum Coil – featuring a proprietary aluminum alloy exclusive to Lennox – is designed to weather the harshest elements.
A refrigerant that’s better for the environment.
This product is compliant with 2025 EPA regulations for lower global warming potential (GWP) refrigerants. The Lennox choice of 2025 Compliant Refrigerant has a lower GWP than its predecessor and is formulated to provide excellent, reliable performance of your system for years to come.
Standard-Efficiency, Single-Stage Air Conditioner Compatible with 2025 Compliant Refrigerant
The standard of operation
A single-stage unit is either on or off, working at full capacity when in use. With this simplified mode of operation, this product provides the heating and cooling levels you’d expect.
Efficient and Affordable
The ML13KC1 meets or exceeds energy efficiencies of 13.40 SEER2, delivering comfort and energy savings at a more affordable price.
Our Uncontested Quantum™ Coil
With years of rigorous testing under the most extreme conditions, our Quantum Coil – featuring a proprietary aluminum alloy exclusive to Lennox – is designed to weather the harshest elements.
A refrigerant that’s better for the environment.
This product is compliant with 2025 EPA regulations for lower global warming potential (GWP) refrigerants. The Lennox choice of 2025 Compliant Refrigerant has a lower GWP than its predecessor and is formulated to provide excellent, reliable performance of your system for years to come.
Standard-Efficiency, Single-Stage Air Conditioner Compatible with 2025 Compliant Refrigerant
The standard of operation
A single-stage unit is either on or off, working at full capacity when in use. With this simplified mode of operation, this product provides the heating and cooling levels you’d expect.
Efficient and Affordable
The ML14KC1 meets or exceeds energy efficiencies of 14.30 SEER2, delivering comfort and energy savings at a more affordable price.
Our Uncontested Quantum™ Coil
With years of rigorous testing under the most extreme conditions, our Quantum Coil – featuring a proprietary aluminum alloy exclusive to Lennox – is designed to weather the harshest elements.
A refrigerant that’s better for the environment.
This product is compliant with 2025 EPA regulations for lower global warming potential (GWP) refrigerants. The Lennox choice of 2025 Compliant Refrigerant has a lower GWP than its predecessor and is formulated to provide excellent, reliable performance of your system for years to come.
Mid-Efficiency, Two-Stage Air Conditioner Compatible with 2025 Compliant Refrigerant
Balanced comfort and efficiency
While most air conditioners are single stage, meaning they’re either on or off, this air conditioner can heat or cool at two different speeds. Most of the time the unit will meet cooling needs at its lower speed, resulting in balanced and consistent temperatures with lower energy use.
Efficient and Affordable
The ML17KC2 offers energy efficiencies of up to 17.00 SEER2, delivering comfort and energy savings at a more affordable price.
Our Uncontested Quantum™ Coil
With years of rigorous testing under the most extreme conditions, our Quantum Coil – featuring a proprietary aluminum alloy exclusive to Lennox – is designed to weather the harshest elements.
A refrigerant that’s better for the environment.
This product is compliant with 2025 EPA regulations for lower global warming potential (GWP) refrigerants. The Lennox choice of 2025 Compliant Refrigerant has a lower GWP than its predecessor and is formulated to provide excellent, reliable performance of your system for years to come.
Standard-efficiency, single-stage air conditioner
Features
The standard of operation
A single-stage unit is either on or off, working at full capacity when in use. With this simplified mode of operation, this product provides the heating and cooling levels you’d expect.
Efficient and Affordable
The ML17XC1 offers energy efficiencies of up to 17.00 SEER and 16.20 SEER2, delivering comfort and energy savings at a more affordable price.
ENERGY STAR® Certified
Heating, ventilation and air-conditioning (HVAC) equipment with the ENERGY STAR label meets or exceeds federal guidelines for energy-efficient performance. An ENERGY STAR-certified AC unit could cut your cooling costs by 30 percent.
Our Uncontested Quantum™ Coil
With years of rigorous testing under the most extreme conditions, our Quantum Coil – featuring a proprietary aluminum alloy exclusive to Lennox – is designed to weather the harshest elements.
Humidity control
Pairing your air conditioner with a variable-speed furnace or air handler allows you to continuously maintain a slow circulation of air throughout your home, decreasing the amount of humidity in your home for improved indoor air quality and comfort.
Efficient, durable air conditioner
Features
Designed for efficient durability
Dependable performance, even in harsh conditions
Proven engineering
The ML14XC1 is built with a scroll compressor that’s engineered to reliably deliver the cooling your home needs.
Options for controlling contaminants
WE SERVICE ALL MAKES & MODELS
Including products from these major brands
Need Emergency Service? Call Us at 416-439-7155
24 Hours, 7 Days a Week, 365 Days a Year!
HEATING
Don’t be left out in the cold this winter! Talk to us about scheduling maintenance for your existing equipment or a brand new furnace installation.
COOLING
Beat the heat this summer with a new high efficiency air conditioner or heat pump from Air Flex.
INDOOR AIR QUALITY
Keep your family safe and healthy with the right healthy climate system from Lennox. In our current climate, it’s more important than ever.
WATER HEATER
Tankless water heaters are very reliable, durable and energy efficient. Make the switch today and never ran out of hot water.