Lennox · Air Conditioner
Lennox ML14KC1
The Lennox ML14KC1 is a Merit Series single-stage central air conditioner that meets or exceeds 14.3 SEER2 and runs on the newer low-GWP R-454B refrigerant. It's the practical, mid-priced upgrade most Toronto homes land on when an old AC fails, and as an Authorized Lennox Dealer, Megacity HVAC sizes and installs it across the GTA.
Why Toronto Homeowners Choose the Lennox ML14KC1
A Good Fit If
Manufacturer Specs
- Series
- Merit® Series
- Efficiency
- Meets/exceeds 14.3 SEER2
- Cooling stage
- Single-stage
- Sound level
- As low as 73 dB
- Refrigerant
- R-454B (low-GWP)
- Sizes
- 2 – 5 tons
- Compressor warranty
- 5-year limited
- Parts warranty
- 5-year (10-year with registration)
- Certifications
- ENERGY STAR® Certified
Specs published by Lennox.
Trusted Equipment Brands We Install & Service
Authorized Lennox Dealer — with experienced installation, repair, and maintenance across our supported HVAC and water-heater brands.
Lease-to-Own Through Enbridge Sustain
Get a new furnace, AC, heat pump, or water heater installed with nothing down. As a certified Enbridge Sustain Trusted Partner, we make a new system affordable from day one.
- No upfront cost — $0 down on approved credit
- Maintenance and repairs included for the term
- Predictable, manageable monthly payments
Lennox ML14KC1 — FAQ
How efficient is the Lennox ML14KC1, and is that enough for Toronto?
It meets or exceeds 14.3 SEER2, which clears the current minimum efficiency requirement for a new central AC install in our region. It's a solid mainstream rating for a single-stage unit. If you run the AC heavily all summer and want lower bills or quieter operation, a higher-SEER variable-capacity model may pay back better, and we'll walk you through the trade-off before you commit.
What size ML14KC1 does my home need?
The ML14KC1 comes in 2 to 5 tons, which covers most Toronto homes. The right size depends on your square footage, insulation, windows, and ductwork, not just floor area. Oversizing makes a single-stage AC short-cycle and cool unevenly, so we run a proper load calculation on site rather than matching the tonnage of your old unit by default.
Does this air conditioner qualify for a government rebate?
No. Standard central air conditioners like the ML14KC1 are not covered by Ontario's current home efficiency rebates, which are reserved for heat pumps and heat-pump water heaters. If lowering your energy costs and capturing a rebate matters to you, ask us about a heat pump instead, where the rebate is applied for through a program-registered contractor.
How long does installation take and what's involved?
A straightforward AC changeout is usually a one-day job. We remove the old condenser, set and level the new ML14KC1, make the refrigerant and electrical connections, evacuate and charge the system on R-454B, and test it before we leave. If your line set, electrical, or pad needs work, we'll flag that during the in-home assessment so there are no surprises on install day.
Get a Quote on the Lennox ML14KC1
Tell us about your home and we will give you honest pricing and sizing for the Lennox ML14KC1 — installed across Toronto and the GTA.
Call 24/7(416) 286-5665