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Commercial HVAC services are our bread and butter here at Denaeyer Mechanical. We specialise in commercial heating, ventilation, and air conditioning systems with installation, 24 hour repairs and quarterly maintenance.


We work closely with a number of property managers in our area to provide clean cut and professional service to local condo corporations. Our services cover all large common area equipment, such as parking garage exhaust fans and heating boilers right down to the individual HVAC units in each suite. We also offer a very reasonable service contract to the corporation or individual unit owner that covers one complete yearly service and a 12 months no hassle parts and labour warranty. This is an excellent value, especially in buildings with older equipment. Contact us to discuss your options today.

Duct Work & Sheet Metal

At Denaeyer Mechanical, we design, supply, and install duct systems for commercial and industrial applications. We have been helping companies in the Kitchener-Waterloo area since 1988. We’re here to help you too. 


HVAC is a vital part of any home to be both cost and energy efficient. If your residential property – whether it’s an apartment block, condo, or house – needs any residential HVAC equipment replacements, give us a call today. 

Air Conditioning, Heating and Regrigeration

We provide a complete range of services including quarterly maintenance programs, installation of all types of equipment and 24hr repair service to the industrial and commercial industries. Our services range from temperature control for office buildings to providing cooling for elevator or compressor rooms as required. We truly can do it all.


We carry a full range of commercial and industrial fans and filters for any ventilation application. Whether it be exhaust for welding production areas or simply ventilating the garbage room at your condominium we have the knowledge to properly select and install all types of equipment to suit your ventilation requirements.

Indoor Pool Dehumidifier Specialists

We are a Dectron factory authorized service company. Having been certified at both Quebec and Atlanta offices we have the knowledge, ability and trained technicians to supply, install and service your indoor pool dehumidification, heating, cooling and ventilation equipment.

Industrial Factory Specialists

Denaeyer Mechanical have carved out a niche in the local industrial market by installing and servicing direct and indirect fired make up air heaters as well as all types of industrial exhaust equipment. We specialize in this type of work, and can provide ongoing service contracts at competitive rates to keep this large equipment working efficiently and reliably.


We have accounts with nearly every suppler in our area to ensure we can offer a competitive and diverse range of brands and products. If you need it, we can get it in a reasonable amount of time.


What makes us a superior installation company is simply our obsession with perfection. We accomplish this every time through three simple steps: