Lennox EL15KC1 Central Air Conditioner – Single-Stage R-454B
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The Lennox EL15KC1 is an Elite Series single-stage central air conditioner on R-454B, the lower-GWP refrigerant now used in new air conditioners. It rates up to 16.0 SEER2, is ENERGY STAR® certified, and every Bison Air installation includes a new matched R-454B evaporator coil on your furnace. Standard installation is included in every price across Toronto and the GTA.
- ✓ Standard installation included, with a new matched R-454B coil
- ✓ Up to 16.0 SEER2, ENERGY STAR® certified
- ✓ R-454B refrigerant: lower global warming potential
- ✓ 10-year compressor and 5-year parts (Lennox), 1-year labour (Bison Air)
- ✓ Financing available, with no upfront payment options
📏 Choose Your AC Size
| Size | Model | Nominal cooling (BTU/h) | Sound (dBA) | Max fuse (A) |
|---|---|---|---|---|
| 1.5 Ton | EL15KC1-018-230 | 18,000 | 72 | 15 |
| 2 Ton | EL15KC1-024-230 | 24,000 | 72 | 20 |
| 2.5 Ton | EL15KC1-030-230 | 30,000 | 71 | 25 |
| 3 Ton | EL15KC1-036-230 | 36,000 | 74 | 30 |
| 3.5 Ton | EL15KC1-042-230 | 42,000 | 72 | 35 |
| 4 Ton | EL15KC1-048-230 | 48,000 | 77 | 40 |
| 5 Ton | EL15KC1-060-230 | 60,000 | 73 | 50 |
We size from a heat-gain calculation, not square footage alone, and confirm the rated coil match in your written quote.
📦 What's Included
- ✓ Lennox EL15KC1 outdoor unit
- ✓ New matched R-454B evaporator coil with refrigerant detection sensor, installed on your furnace
- ✓ Refrigerant line set, connection and commissioning as part of standard installation
❄️ Key Features
- ✓ Single-stage scroll compressor with sound dampening
- ✓ Up to 16.0 SEER2 cooling efficiency
- ✓ Quantum™ coil: Lennox aluminum alloy built to resist corrosion
- ✓ PermaGuard™ cabinet with SmartHinge™ louvers that protect the coil
- ✓ Precision-balanced direct-drive fan, as low as 71 dBA
- ✓ Factory-installed liquid line drier and high/low pressure switches
- ✓ R-454B (2025-compliant refrigerant)
📋 Technical Specifications
| Specification | 1.5 Ton | 2 Ton | 2.5 Ton | 3 Ton | 3.5 Ton | 4 Ton | 5 Ton |
|---|---|---|---|---|---|---|---|
| Model | EL15KC1-018-230 | EL15KC1-024-230 | EL15KC1-030-230 | EL15KC1-036-230 | EL15KC1-042-230 | EL15KC1-048-230 | EL15KC1-060-230 |
| Nominal cooling BTU/h | 18,000 | 24,000 | 30,000 | 36,000 | 42,000 | 48,000 | 60,000 |
| Refrigerant | R-454B | R-454B | R-454B | R-454B | R-454B | R-454B | R-454B |
| Factory charge (15 ft line set) | 4 lb 0 oz | 4 lb 7 oz | 4 lb 14 oz | 5 lb 10 oz | 6 lb 2 oz | 7 lb 10 oz | 8 lb 8 oz |
| MCA / max fuse (A) | 11.1 / 15 | 13.5 / 20 | 16.6 / 25 | 17.8 / 30 | 21.2 / 35 | 24.3 / 40 | 31.3 / 50 |
| Sound (dBA) | 72 | 72 | 71 | 74 | 72 | 77 | 73 |
| Line set (liquid × suction, in) | 3/8 × 3/4 | 3/8 × 3/4 | 3/8 × 3/4 | 3/8 × 7/8 | 3/8 × 7/8 | 3/8 × 7/8 | 3/8 × 1-1/8 |
| H × W × D (in) | 27 × 27 × 28 | 31 × 27 × 28 | 31 × 30-1/2 × 35 | 35 × 30-1/2 × 35 | 39 × 30-1/2 × 35 | 31 × 30-1/2 × 35 | 39 × 30-1/2 × 35 |
| Shipping weight (lb) | 150 | 155 | 171 | 210 | 212 | 230 | 250 |
| Power supply | 208/230 V, 1 ph | 208/230 V, 1 ph | 208/230 V, 1 ph | 208/230 V, 1 ph | 208/230 V, 1 ph | 208/230 V, 1 ph | 208/230 V, 1 ph |
Source: Lennox EL15KC1 product specifications, form 211053 (09/2025). Charge shown is the factory charge for a 15 ft line set. R-454B systems need an R-454B-rated indoor coil with a refrigerant detection sensor; an existing R-410A coil cannot be reused.
Documents: EL15KC1 Product Specifications (form 211053, 09/2025) · Lennox EL15KC1 product page
🔧 What Standard Installation Includes
- ✓ New matched evaporator coil installed on your furnace
- ✓ Outdoor unit set in place
- ✓ Refrigerant line set and condensate drain up to 20 ft
- ✓ Electrical connection to the outdoor unit
- ✓ Vacuum, leak test, startup and commissioning
- ✓ Thermostat connected and tested
- ✓ 1-year labour warranty and warranty registration
Quoted as extras when needed: wall bracket or snow stand for the outdoor unit, line set or wiring beyond 20 ft (charged per foot), plenum or ductwork changes, and electrical panel or circuit upgrades. We confirm your furnace, ductwork and electrical capacity before the job, and every extra is quoted in writing before work starts.
🛡️ Warranty
- ✓ Compressor: 10 years (Lennox, residential)
- ✓ Parts: 5 years (Lennox basic limited warranty, no registration needed)
- ✓ Lennox extended parts warranty: available when the owner registers online within 60 days of installation (Lennox terms apply)
- ✓ Labour: 1 year from Bison Air, included
- ✓ Optional 10-year labour warranty: $700
Lennox warranty terms: Lennox Basic Limited Warranty · Lennox Extended Limited Warranty.
💰 Financing
Thinking about heating too? A heat pump cools like an air conditioner and also heats, and can qualify for heat pump rebates.
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🏆 Why Choose Bison Air
- ✓ Lennox equipment supplied and installed by Bison Air
- ✓ TSSA Certified HVAC Contractor
- ✓ Fully Licensed & Insured HVAC Technicians
- ✓ Registered HRSP Heat Pump Rebate Contractor
- ✓ Standard Installation Included – No Hidden Fees
- ✓ Professional System Design & Equipment Selection
- ✓ Clean, Organized Installations
- ✓ 1-year labour warranty on every installation
- ✓ Serving Toronto, York Region, Peel Region, Barrie & all GTA Communities
🔗 Related
- ✓ Lennox ML14XC1 Central AC
- ✓ Lennox ML196E Furnace
- ✓ Lennox EL297V Furnace
- ✓ HVAC Installation
- ✓ What Is the SEER Rating?
- ✓ Heat Pump Installation
- ✓ HVAC Financing
📍 Areas We Serve
Lennox EL15KC1 air conditioner installation throughout Toronto and the GTA:
Toronto · North York · Scarborough · Etobicoke · Vaughan · Markham · Richmond Hill · Aurora · Newmarket · East Gwillimbury · King City · Stouffville · Mississauga · Brampton · Oakville · Milton · Burlington · Barrie · Innisfil · Orillia · Bradford · Keswick · Ajax · Pickering · Whitby · Oshawa · Orangeville
❄️ Get Your Central Air Quote
Tell us about your home and your furnace. We will confirm the right size and coil match and give you a clear written price.
or fill out our form for a free consultation · Serving Toronto & the GTA
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