Canadian Consulting Engineer

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Biocomposite ventilation unit recycles plastic water bottles

Annexair plans to phase out its steel HVAC units next year.


Annexair, based in Drummondville, Que., recently unveiled what it calls the first-ever biocomposite ventilation unit for the HVAC market, built using a fire-resistant resin from recycled plastic water bottles, to help promote more sustainable air conditioning.

The central air unit is available in different sizes (examples pictured) for commercial buildings. As the casing requires not metal components, it is fully corrosion- and rust-resistant, weighs 50% to 60% less than conventional units and should last upward of 60 years if well-maintained.

The new units are scheduled for availability in August 2020 and the company—which is a member of the United Nations (UN) Global Compact—plans to halt production of its conventional steel HVAC units in 2021.


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