Tamarack Industries has been supporting the construction industry since 1995. The Tamarack Industries portfolio consists of two companies: Thawzall and Heat King. Both brands bring value to the glycol heat industry. Thawzall offers one of the most efficient mobile glycol heaters on the market: the TCH250. Heat King offers a full line up of durable, mobile glycol heaters to best suit your upcoming job. Both brands continue to work hard to earn a reputation as a company that delivers heating solutions that are reliable, simple and safe to operate!