SAVE $500
On Your Lennox Air Conditioner Installation
Offer Expires: June 15, 2026
Expert Lennox Air Conditioner Installation
Whether you need a new Lennox central air conditioner installation or a full Lennox AC replacement, HVAC Ontario makes it simple. Same-day service, upfront transparent pricing, and industry-leading warranties — no surprises, no stress. Our experts will assess your home and recommend the right Lennox system for your size and budget, with 0% financing available so you can act today without the upfront cost. Call now for an exact price over the phone in minutes.
Find the Perfect Lennox Air Conditioner for Your Home
Hot Lennox AC Deals
Looking for the best Lennox air conditioner deals in Ontario? HVAC Ontario offers limited-time savings on high-efficiency Lennox AC systems with 0% interest for 6 months, no upfront cost, and free installation. Choose from a standalone Lennox AC, a Lennox AC + furnace combo, or an energy-efficient Lennox heat pump. Same-day installation available.
Silver
Lennox Air Conditioner Only Deal
- Available AC Models: Lennox ML14, Lennox ML17, Lennox EL16
- 0% Interest for 6 Months: No upfront cost on your new Lennox AC
- $500 OFF Lennox AC promo
- Free standard installation included
- Save on Bills: Up to 18 SEER high-efficiency Lennox air conditioner
- 5-Year No Hassle Replacement™ Limited Warranty*
- Extended Coverage: 10-year parts and labor warranty available
- New Lennox AC with installation starting from $2,800
Gold
Lennox Air Conditioner with Furnace
- Available Furnace Models: Lennox EL297, Lennox ML296, Lennox SLP99
- $1000 OFF Lennox HVAC combo package
- 0% Interest for 6 Months: On Lennox HVAC combo
- Free standard HVAC installation included
- Up to 18 SEER high-efficiency Lennox AC
- 96%+ efficiency Lennox gas furnace included
- Lifetime No Hassle Unit Replacement Limited Warranty*
- No More Repair Bills: Extended 10-year parts & labor available
- Free Smart thermostat or central humidifier included
Platinum
Lennox Furnace with Heat Pump
- Available Heat Pump Models: Lennox ELK16
- $1000 OFF Lennox combo promotion
- FREE standard installation included
- Up to $2,000 in government heat pump rebates
- Dual Cooling + Heating: Lennox heat pump handles both seasons
- Up to 21 SEER Lennox heat pump efficiency
- FREE Smart thermostat included
- No More Repair Bills: Extended 10-year parts and labor available
Is It Time to Replace Your Air Conditioner?
System is 10+ Years Old
Older AC units lose efficiency and become expensive to repair. Replacing with a new Lennox is often the smarter long-term investment.
Cooling Bills Keep Rising
Increasing energy bills mean your AC is working harder than it should. A modern high-efficiency Lennox unit can significantly reduce costs.
Home Takes Too Long to Cool
If your AC runs constantly without reaching the desired temperature, it may indicate compressor or refrigerant issues.
Frequent Repair Bills
If repair costs exceed 50% of a new system, replacing your AC with a Lennox is the better option.
Unusual Noises or Odours
Grinding noises or musty smells can signal serious internal damage — replacement is often the safest fix.
Uneven Cooling or High Humidity
Hot spots or sticky indoor air mean your AC can no longer distribute cool air effectively throughout your home.
INSTANT LENNOX A/C QUOTE — OVER THE PHONE
Every home is different. Tell us your home size and phone number, and we'll call you within 15 minutes with a custom Lennox A/C quote.
Why Thousands of Ontario Homeowners Choose HVAC Ontario for Lennox Air Conditioner
Join thousands of satisfied customers who trust HVAC Ontario for their Lennox Air Conditioners.
Brands We Carry
Explore more HVAC solutions:
York Air Conditioners Goodman Air Conditioners All AC Deals Furnaces Heat PumpsBook a FREE Home Inspection
Not sure which Lennox system is right for you? Schedule a free home inspection with an HVAC Consultant to find the perfect Lennox fit for your home.
5-Star Google Reviews
Our customers' satisfaction speaks volumes. See why HVAC Ontario is trusted by homeowners everywhere.
Frequently Asked Questions — Lennox Air Conditioners Ontario
Everything you need to know before buying and installing a Lennox air conditioner in Ontario. Answers designed to help in-market buyers make a confident decision today.
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How much does a Lennox air conditioner cost in Ontario?
A new Lennox air conditioner installed in Ontario typically ranges from $2,800 to $5,500, depending on the model, efficiency rating, and your home size. HVAC Ontario offers 0% financing for 6 months with $0 upfront — call us for an exact price over the phone in minutes.
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How quickly can you install a Lennox air conditioner?
We offer same-day installation in most areas across Ontario including the GTA, Hamilton, Kitchener, London, and Ottawa. Call before noon and we can often have your new Lennox AC running the same day.
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Do you carry Lennox air conditioner models in stock?
Yes. HVAC Ontario stocks Lennox AC units ready for immediate installation. Our most popular models — Lennox ML14, ML17, and EL16 — are listed above. Call 1-888-705-7368 to confirm availability and get the right recommendation for your home.
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What financing options are available for a Lennox AC?
We offer 0% interest for 6 months with $0 down on approved credit. After the promotional period, flexible monthly payment options are available with no prepayment penalties. Most homeowners are approved quickly.
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Is there a warranty on Lennox air conditioners installed by HVAC Ontario?
Yes. All Lennox units come with a 10-year parts warranty, and our 5-Year No Hassle Replacement™ warranty means if something goes wrong, we make it right. Extended 10-year parts and labor coverage is also available.
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Can I get a rebate on a new Lennox air conditioner?
There is currently no government rebate available on a traditional central air conditioner. However, if you upgrade to a Lennox heat pump — which works as an air conditioner in summer and a heating system in winter — you may qualify for up to $2,000 in government rebates through the Home Renovation Savings Program (HRSP) or Enbridge Gas. As a registered HRSP contractor, HVAC Ontario handles all the rebate paperwork for you.
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What size Lennox air conditioner do I need for my home?
Sizing depends on your home's square footage, insulation, ceiling height, and layout. Our HVAC experts will recommend the correct Lennox AC size — an oversized or undersized unit leads to higher bills and more breakdowns. Book a free home inspection or get a quote over the phone.
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Why should I choose HVAC Ontario to install my Lennox air conditioner?
HVAC Ontario is a 5-Star Google rated, locally owned HVAC contractor serving all of Ontario. We offer upfront transparent pricing, same-day Lennox installation, and warranties that actually protect you. Thousands of Ontario homeowners trust us — read our reviews and see for yourself.