QAD Inc. Has Serviced Commercial & Industrial Buildings In Ontario For Over

20 Years, Providing The Best Quality & Industry Standards

Air Balance


Aside from your standard testing and system adjustments for new buildings we offer extensive testing and calculations for energy conservation in the retrofitted buildings.More Info

Hydronic Balance


The reasons for performing Hydronic balancing is to ensure stable and accurate fluid distribution to all heating/cooling system components allowing control parts to perform their operation to accurately maintain design space loads.More Info

Air Quality Testing


Basic Air Quality tests can indicate the level of a building healthiness and it is a great tool for buildings working environment improvements. It’s also used for early detection of possible health hazzards.More Info


"Quality Air Distribution is the most experienced air balancing company in the supermarket business in Ontario.  We highly recommend their services."–Bryan Elliott P.ENG, CES INC.

"We have used Quality Air Distribution on a range of projects from Loblaw's at Maple Leaf Gardens, Durham College, Pearson Airport, Walmart and various public and Catholic schools throughout Ontario. Quality Air's expertise and dependability will continue to forge our strong business relationship well into the future."–Robert Allingham, President, Mapleridge Mechanical Contracting Inc.

"Quality Air has always demonstrated professionalism, attention to detail and Team approach. They work well with all parties and ensure a complete balanced system. This along with proven experience gives confidence in their results and their reports are clear and detailed."–Leanne Skribe, P. Eng. Durham Energy Specialist Limited

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