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Lennox 3.5 Ton Merit Series Heat Pump

Outright Price

Original price was: $8,545.Current price is: $7,799.

Monthly Price

$86.95/Month

Financing Available

Financing available on approved credit (OAC) via our third-party lending partners.

Secure Payment Options

Credit / Debit Card

Secure online payment via Moneris

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Our team will contact you after order placement to schedule installation and confirm your order details.

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	ML14KP1-042-230 / ML17XP1-042
Capacity	3.5 Ton
Cooling Capacity	42,000 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)

Description

The Lennox Merit Series 3.5 Ton Heat Pump System is a dependable and energy-efficient solution designed for residential heating and cooling. With a 3.5 ton (42,000 BTU) capacity, this system is ideal for medium to large homes, delivering consistent and reliable comfort 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 effective cooling during hot weather and dependable heating during cooler seasons, making it a practical all-in-one HVAC solution.

This system is equipped with Lennox’s Quantum™ coil technology, designed to enhance durability and resist corrosion, even in demanding outdoor environments. It uses next-generation R-454B refrigerant, offering improved environmental performance 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 reliable choice for long-term residential use.

Key Features

Efficient Cooling & Heating – 3.5 Ton Capacity
Ideal for medium to large homes with consistent performance.

Single-Stage Operation
Reliable and straightforward operation with steady 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)
Lower environmental impact and future-ready compliance.

Durable Steel Cabinet
Weather-resistant construction for outdoor longevity.

Quiet Operation
Designed for low noise levels to improve indoor comfort.

Why Buy Lennox Merit Series 3.5 Ton Heat Pump

The Lennox Merit Series 3.5 Ton heat pump is an excellent choice for homeowners seeking a reliable, cost-effective, and efficient HVAC system for larger spaces. With durable components and consistent performance, it offers strong long-term value.