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Affiliate links · Last verified 2026-05-21 · 🌍 Outside the US? Amazon and eBay will redirect you to your country's local store automatically.
The Story
An inventor heats things up in the Den with his energy efficient technology.
The Pitch on Dragons' Den Canada
DDI Heat Exchangers appeared on Dragons' Den Canada (Season 12, Episode 1) in 2017. Erwin Schwartz pitched the product to the Dragons. Asked 140K for 10%.
Where they are now: Outcome not recorded on CBC archive.
Frequently Asked Questions
Is DDI Heat Exchangers still in business?
Outcome not recorded on CBC archive.
Who founded DDI Heat Exchangers?
DDI Heat Exchangers was founded by Erwin Schwartz.
Did DDI Heat Exchangers get a deal on Dragons' Den Canada?
Yes — Asked 140K for 10%.
Where can I buy DDI Heat Exchangers?
DDI Heat Exchangers is available on Amazon and eBay. We compare current prices across both at our /results page — link below.
Related from Dragons' Den Canada
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