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.
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