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Description
The Lennox Merit Series 3 Ton Heat Pump System is a reliable and energy-efficient solution designed for residential heating and cooling. With a 3 ton (36,000 BTU) capacity, this system is ideal for medium to large homes, delivering consistent comfort throughout the year.
Built with Lennox’s proven engineering, the Merit Series features a durable single-stage scroll compressor that ensures stable and dependable performance. It provides efficient cooling during summer 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 corrosion resistance and durability, even in harsh outdoor environments. It uses next-generation R-454B refrigerant, offering lower environmental impact and compliance with modern standards.
With an efficiency rating of up to 14.3 SEER2 and ENERGY STAR® certification, the unit helps reduce energy consumption while maintaining strong performance.
The rugged, weather-resistant steel cabinet and quiet operation (as low as ~74 dB) make it a dependable and comfortable choice for residential installations.
Key Features
Efficient Cooling & Heating – 3 Ton Capacity
Ideal for medium to large residential spaces with consistent performance.
Single-Stage Operation
Simple and reliable operation with steady output.
Scroll Compressor
Ensures efficient and long-lasting performance.
Up to 14.3 SEER2 Efficiency
ENERGY STAR® certified for improved energy savings.
Quantum™ Coil Technology
Enhanced durability and corrosion resistance.
R-454B Refrigerant (Next-Gen)
Lower environmental impact and future-ready compliance.
Durable Steel Cabinet
Weather-resistant construction for long-term outdoor use.
Quiet Operation
Operates at approximately 74 dB for improved comfort.
Why Buy Lennox Merit Series 3 Ton Heat Pump
The Lennox Merit Series 3 Ton heat pump is an excellent choice for homeowners looking for a budget-friendly, durable, and efficient HVAC system. With proven components, modern refrigerant technology, and reliable performance, it offers strong long-term value for residential heating and cooling needs.
Specification
| Attribute | Details |
|---|---|
| Make | Lennox |
| Series | Merit Series |
| Model | ML14KP1-036-230 / ML17XP1-036 |
| Capacity | 3 Ton |
| Cooling Capacity | 36,000 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 dB |
| Coil Type | Quantum™ Coil |
| Build Quality | Weather-Resistant Steel Cabinet |
| Suitable For | Medium to Large Spaces |
| Usage Areas | Homes, 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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Licensed & Certified Technicians
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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Reviews
11 reviews for Lennox 3 Ton Merit Series Heat Pump
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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.
Jasdeep Singh –
Cooling and heating both work well. Jimmy HVAC team did a clean job with installation. No mess left behind.
Emily Dawson –
Overall a good experience. There was a small delay in getting the unit, but Jimmy HVAC kept me updated and handled everything professionally.
Lucas Bennett –
The Lennox 3 Ton Merit Series Heat Pump runs quieter than my old system. Installation was neat, no complaints.
Harpreet Kaur –
Quick service from Jimmy HVAC. The team explained maintenance basics which was helpful. Unit is working fine so far.
Ryan Cooper –
Good value for money. Not the cheapest option, but the build quality of the Lennox system feels reliable.
Sophie Tremblay –
Very smooth experience. Jimmy HVAC installed the Lennox 3 Ton Merit Series Heat Pump in one day and everything was tested properly before they left.
Arjun Patel –
Decent performance overall. The Lennox unit works as expected, but I wish the thermostat setup had been explained a bit better.
Melissa Grant –
Installation team from Jimmy HVAC was polite and professional. The heat pump itself is doing a solid job through temperature changes.
Kevin Rousseau –
Happy with the pricing compared to other quotes. The Lennox 3 Ton Merit Series Heat Pump is efficient and hasn’t given any issues yet.
Priya Sandhu –
The system runs quietly and cools evenly. Jimmy HVAC handled the install quickly, though scheduling took a couple of days longer than expected.
Daniel McAllister –
Got the Lennox 3 Ton Merit Series Heat Pump installed by Jimmy HVAC. Works well so far, keeps the house comfortable. Installation team was on time and cleaned up after.