LENNOX MMLD Central Heat Pump | 18,000 BTU

A high-performance solution for optimal comfort in Montreal, Laval, Longueuil, North Shore and South Shore

At AirGreen, we know that choosing a central heating and cooling system can transform the energy efficiency of a home or building. The LENNOX MMLD 18000 BTU central heat pump is one of the most innovative and reliable options available on the market today. Designed to meet the harsh Quebec winters, this heat pump is ideal for homes and businesses located in Montreal, Laval, Longueuil, on the North Shore and the South Shore .

Remarkable technical characteristics

Performance and reliability in cold climates The LENNOX MMLD018S6S is designed to operate efficiently down to -25°C , making it a central heat pump of choice for our local climate. Its heating capacity reaches 18,000 BTU , the equivalent of 1.5 tons , to meet the needs of an average surface area. It also provides an equivalent cooling capacity , allowing for optimal year-round comfort.

High Energy Efficiency With a SEER2 of 18.0 , an EER2 of 12.0 and an HSPF2 of 8.5 , this heat pump achieves superior energy efficiency . In addition, some models in the MMLD range reach up to 23.8 SEER2 and 10.7 HSPF2 , contributing to significant savings on electricity bills.

R-32 Eco-Friendly Refrigerant Gas Choosing R-32 as a refrigerant gas is both efficient and environmentally friendly . This fluid offers superior heat transfer capacity while having a lower global warming potential (GWP) than its predecessors like R-410A.

Smart control and connectivity

Built-in Wi-Fi: adjust the temperature remotely with the Lennox Home app.

Advanced Controls and Increased Safety The MMLD heat pump includes a DC Inverter module that adjusts power based on actual needs. In addition, the R-32 refrigerant leak detection system stops the compressor in the event of a leak and activates the fan to disperse the gas, ensuring safe operation and compliance with UL 60335-2-40 standards .

Reliability, durability and simplified maintenance

Robust and quiet design The variable frequency compressor, equipped with a brushless motor with neodymium magnets , allows quiet and stable operation , even in extreme conditions. The outdoor noise level is only 58 dB(A) .

Thermal and electrical protection It also includes surge protection , intelligent defrost management , and compressor thermal protection , ensuring long life and consistent reliability.

Ease of Installation and Maintenance Thanks to its flare connections , simplified access to electrical components , and compact design , installation by AirGreen technicians is quick and efficient , with little interruption to occupants .

Compatible accessories and application flexibility

A varied range of compatible indoor units This MMLD outdoor unit can be combined with different indoor configurations:

• One-way or 4-way cassette (ideal for suspended ceilings)

• Floor console

• Ducted units (medium or high static)

• Multi-position air handler (vertical or horizontal blowing)

Finishing and Mounting Accessories AirGreen also offers a range of accessories such as wall brackets, SpeediChannels™, wall penetration covers, and starter kits, for aesthetic and durable integration of the system into the existing space.

Why choose AirGreen for the installation of your LENNOX central heat pump?

Local expertise and solid reputation Our teams proudly serve the Montreal, Laval, Longueuil, North Shore and South Shore areas , with a personalized approach. We have carried out numerous LENNOX central heat pump installations in single-family homes, plexes and small businesses, with consistent customer satisfaction.

Transparency and commitment to quality At AirGreen, we offer a free on-site estimate , transparent pricing before work begins, and you only pay at the end of the project, once you are fully satisfied . Our priority: your lasting comfort.

Warranty and after-sales service The LENNOX MMLD benefits from a 12-year warranty on the compressor and parts , plus a 6-year legal warranty (parts and labour), with the possibility of extending to 10-10-10. Our team is trained to ensure maintenance and service interventions according to the highest standards.

Conclusion

The LENNOX MMLD 18000 BTU central heat pump , with its high-performance inverter motor, environmentally friendly R-32 refrigerant, and remote control with the Lennox Home app, is a strategic choice for any residential or commercial building located in Montreal, Laval, Longueuil, on the North Shore or the South Shore . At AirGreen, we combine technology, experience and transparency to offer you an optimal and sustainable HVAC installation.

Contact us today for a free, no-obligation estimate.

Warranty: 12 years on the compressor and 12 years on parts. 6-year legal warranty of good working order on parts and labour (Consumer Protection Act, since October 5, 2026), backed by AirGreen and LENNOX. It does not cover routine maintenance, including cleaning and washing the unit, which remains the customer's responsibility, nor damage caused by abusive use. Regular maintenance following LENNOX's instructions is strongly recommended.