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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.
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) |
Why Homeowners Trust Jimmy HVAC for Reliable Comfort
Reliable HVAC Solutions Built for Comfort, Efficiency, and Long-Term Peace of Mind.
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TSSA-licensed experts ensure safe, reliable, and high-quality installations and repairs.
Free Installation Included
Enjoy hassle-free setup with free professional installation on every purchase.
Parts & Labour Warranty
Long-lasting protection with comprehensive parts coverage and an included labour warranty.
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Service Area – Professional HVAC Installation & Replacement
Jimmy HVAC provides professional installation, replacement, and system upgrades for residential and light commercial HVAC equipment throughout the Greater Toronto Area. Our certified technicians ensure every system is installed according to manufacturer specifications, Ontario building codes, and industry best practices.
Whether you are upgrading to a high-efficiency system, replacing ageing equipment, or installing a new HVAC solution, our team serves homeowners and property managers across the GTA with reliable service and transparent pricing.
Cities We Serve
Toronto
Mississauga
Brampton
Vaughan
Markham
Richmond Hill
Oakville
Milton
Pickering
Ajax
Whitby
Oshawa
London
Barrie
Hamilton
Kitchener
Full-Service HVAC Solutions Across the GTA
Our services include:
Furnace installation & replacement
Air conditioner installation
Heat pump systems
Tankless water heaters
Boiler systems
HVAC system upgrades & retrofits
- Complete Commercial HVAC Solutions
Preventative maintenance & system inspections
Each installation is completed by licensed technicians to ensure optimal performance, long-term reliability, and energy efficiency.
In addition to professional installation, we provide detailed system assessment and proper equipment sizing to match your property’s heating and cooling requirements. Correct system sizing is critical for maximizing energy efficiency, maintaining consistent indoor comfort, and preventing premature equipment wear. Our team evaluates factors such as square footage, insulation levels, airflow design, and overall system compatibility before recommending any HVAC solution.
We focus on delivering installations that meet manufacturer specifications and industry standards, ensuring warranty compliance and long-term operational stability. From new construction projects to replacement of aging HVAC systems, every installation is carried out with attention to airflow balance, duct integration, ventilation requirements, and energy performance optimization.
Homeowners and property managers rely on Jimmy HVAC for dependable service, clear communication, and technically sound installations that reduce operating costs while improving year-round comfort. Whether upgrading to a high-efficiency furnace, installing a modern heat pump system, or replacing an outdated boiler, our goal is to provide durable HVAC solutions designed for consistent performance and long-term value.
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