LENNOX MDDD Ducted Air Handler | 36000 BTU | Parts by Samsung

Discreet efficiency serving residential and commercial comfort

The LENNOX MDDD 36,000 BTU ducted duct , incorporating parts designed by Samsung , embodies the alliance between thermal performance, discreet integration and advanced technology. Designed to meet both residential and commercial requirements, this HVAC system is an ideal solution for those looking for optimal energy efficiency without compromising on aesthetics or air quality. At AirGreen , we have already installed this unit in several buildings in Montreal , Laval , Longueuil , as well as on the North Shore and the South Shore , with impressive results in terms of both performance and customer satisfaction.

High static pressure ducted unit: powerful and discreet

The MDDD036S6 model stands out above all for its high static pressure ducted design . This means it can be concealed in suspended ceilings or attics, distributing air via a duct network, while maintaining consistent performance over long distances. This approach allows for even distribution of air across multiple rooms, without the need for visible wall units.

Key technical specifications

• Cooling capacity : 36,000 BTU

• Refrigerant : R-32 (ecological and efficient)

• Sound level : 65 dB(A)

• Piping : 3/8 - 5/8

• Dimensions (L x D x H) : 55.25 x 29.13 x 11.88 in

• Energy Star certification : Yes

Main features

• Integrated condensate pump (30 inches lift)

• Preheating function prevents cold air blasts in heating mode

• Three fan speeds : low, medium, high

• Washable air filter supplied as standard

• Automatic restart in case of power failure

• Flare pipe connection for quick and secure installation

Control options and home automation compatibility

The MDDD system is compatible with several types of controllers :

• Rechargeable wireless remote control (USB-C or solar)

• Programmable touch wall thermostat with advanced functions (lock, weekly calendar, diagnostics, energy saving)

• Adapter for standard 24V thermostat , allowing compatibility with third-party thermostats

With the SmartThings app , users can control temperature, track performance, and even diagnose problems remotely. An ideal solution for modern homeowners in Montreal and the surrounding area.

A wise choice for Montreal, Laval, Longueuil, North Shore and South Shore

At AirGreen, we have installed this LENNOX MDDD ducted air duct in various large residential projects in Longueuil and commercial buildings in Laval . One of the most notable cases was the installation in a beauty center in Brossard , where the unit's compactness and precise temperature control helped maintain a perfect atmosphere in each treatment room.

Why choose this unit?

• Invisible and silent : ideal for spaces where design and calm are priorities.

• Energy efficient : thanks to R-32 refrigerant and integrated inverter technology.

• Flexible : suitable for both multi-zone residences and commercial buildings .

• Proven reliability : parts designed by Samsung , a guarantee of quality.

The AirGreen experience: expertise, transparency, commitment

Professional installation

Our teams provide complete HVAC installations , without subcontracting, with unparalleled attention to detail. Each project includes a free on-site estimate , a clear final offer before work begins, and no payment required until the customer is completely satisfied .

Responsive after-sales service

All our certified refrigeration technicians also provide after-sales service : preventative maintenance, repairs, and seasonal adjustments. Our customers in Sainte-Julie and Terrebonne benefit from rapid support, even during periods of high demand.

Grants and funding

We help you access available grants to improve your energy efficiency. Our advisors guide you through the programs applicable to your region (e.g., Hydro-Québec's LogisVert ), and we also offer flexible financing options to facilitate access to high-quality equipment.

Conclusion: a tailor-made system, a team at your service

The LENNOX MDDD ducted duct is much more than just an air conditioning unit. It is a complete heating, ventilation and air conditioning solution that combines technology, aesthetics, performance and durability. Whether you are in Montreal , Laval , Longueuil , or elsewhere on the North Shore and the South Shore , trust AirGreen for a tailor-made, professional and uncompromising service.

Contact us today for a free quote or to discuss your next HVAC project with our experts.