Your Trusted Partner for Reliable Home Comfort
Affordable Monthly Financing
Flexible monthly payment plans are available. Once your order is placed, our team will reach out to set everything up — quick, simple, and budget-friendly.

Honest & Upfront Pricing
Clear and transparent costs with no unexpected fees or hidden charges.
Licensed & Certified Technicians
Skilled TSSA-licensed technicians providing dependable, compliant, and professional service for all repairs and installations.
Professional Installation Included
Enjoy hassle-free setup with professional installation on every purchase.
Parts & Labour Warranty
Comprehensive protection covering both parts and labour to ensure long-term reliability and peace of mind.
Specification
| Attribute | Details |
|---|---|
| Make | Lennox |
| Series | Merit Series |
| Model | ML14KP1-048-230 / ML17XP1-048 |
| Capacity | 4 Ton |
| Cooling Capacity | 48,000 BTU |
| Product Type | Split System Heat Pump |
| Compressor Type | Scroll Compressor |
| Compressor Stage | Single Stage |
| Energy Efficiency | Up to 14.3 SEER2 |
| Heating Efficiency | ≥ 7.5 HSPF2 |
| Refrigerant Type | R-454B / R-410A |
| Installation Type | Split System |
| Application | Residential |
| Operation | Heating & Cooling |
| Voltage | 208–230V, 1 Phase |
| Noise Level | Approx. 74–76 dB |
| Coil Type | Quantum™ Coil |
| Build Quality | Weather-Resistant Steel Cabinet |
| Suitable For | Large Spaces |
| Usage Areas | Homes, Open Living Areas |
| Warranty | 5–10 Years Parts (Registration Required) |
Description
The Lennox Merit Series 4 Ton Heat Pump System is a reliable and energy-efficient solution designed for residential heating and cooling. With a 4 ton (48,000 BTU) capacity, this system is ideal for larger homes, delivering consistent comfort and dependable performance throughout the year.
Built with Lennox’s proven engineering, the Merit Series features a durable single-stage scroll compressor that ensures stable and efficient operation. It provides strong cooling during hot weather and reliable heating during cooler months, making it a practical all-in-one HVAC solution.
This system is equipped with Lennox’s Quantum™ coil technology, which enhances durability and corrosion resistance, even in demanding outdoor conditions. It uses next-generation R-454B refrigerant, offering lower environmental impact and compliance with modern HVAC standards.
With efficiency ratings of up to 14.3 SEER2 and ENERGY STAR® eligibility, the unit helps reduce energy consumption while maintaining strong performance. The rugged, weather-resistant steel cabinet and quiet operation make it a dependable choice for long-term residential use.
Key Features
High Capacity Cooling & Heating – 4 Ton
Ideal for large residential spaces and open floor plans.
Single-Stage Operation
Simple and reliable performance with consistent output.
Scroll Compressor
Durable and efficient compressor for long-term reliability.
Up to 14.3 SEER2 Efficiency
Energy-efficient performance with potential ENERGY STAR® qualification.
Quantum™ Coil Technology
Enhanced corrosion resistance and durability.
R-454B Refrigerant (Next-Gen)
Environmentally improved and future-ready refrigerant.
Durable Steel Cabinet
Weather-resistant construction for long-term outdoor use.
Quiet Operation
Designed for low noise levels to enhance indoor comfort.
Why Buy Lennox Merit Series 4 Ton Heat Pump
The Lennox Merit Series 4 Ton heat pump is an excellent choice for homeowners needing a reliable and cost-effective HVAC system for larger homes. With durable construction, proven components, and efficient performance, it offers strong long-term value for residential heating and cooling.








