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INNOVATION NATION: Construction heat hits the headlines (again)
August 29th, 2019 7:11 am     A+ | a-

Paul De Berardis / RESCON

It’s the time of year where we all mourn the end of summer weather, celebrate our kids’ return to school and talk begins about winter construction practices.

CBC News has recently been reporting about a homeowner who found his furnace was “caked with drywall dust and debris.” (Find the link to the story here; for a CBC “Our Ottawa” video recap, go to 15:37 of this clip.)

This isn’t the first time we’ve talked about this – there have been a lot of changes over the past couple of years on this subject – so I’d like to make sure the record is straight for RESCON members.

What’s important to note in this particular case is that the homeowner has obviously caught the attention of mainstream media with this issue, claiming to have received a “second-hand” furnace. Separately from the article, Tarion has reportedly warranted this claim, according to RESCON’s sources.


In light of this, we fear this type of warranty claim could set a precedent – if furnaces are being misused for construction heating purposes, this could become a more wide-spread warranty issue that directly affects RESCON members.
Although furnaces are (once again) allowed by manufacturers to be used for construction heat during the colder months in Canada, they must conform to the stricter of all applicable regulations, including the manufacturer’s installation instructions, the gas utility’s protocols and the natural gas and propane installation code (CSA B149).

Speak to your HVAC contractor and ensure they are compliant with the applicable regulations surrounding construction heat.
Also, please check out my previous blog that ran late last year.

Paul De Berardis is RESCON’s director of building science and innovation. Email him at
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