Greentech Manufacturing Inc. is a premier manufacture of outdoor and indoor wood, coal, and corn furnaces along with unit heaters and air handlers that complement our furnace line. We also do contract manufacturing with firms looking to outsource their ma

GreenTech Manufacturing inc. proudly presents Crown Royal Stoves - Outdoor Wood, Coal & Corn Furnaces. Our line of outdoor wood furnaces are able to burn wood, coal & corn and are constructed out of 10 gauge 409 AL Titanium enhanced stainless steel for the best corrosion resistance and heat transfer possible. Made to withstand the roughest climates, the Crown Royal Stoves are one of the most efficient ways to heat your premises.

Crown Royal Outdoor Burning Stoves also known as boilers, furnaces or hydronic heaters are one of the least expensive ways to heat in the winter months.

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"Production run" means making a lot of one product at once. The factories listed under "production" can produce small and/or large quantities. The minimum order for a production run can vary from factory to factory (some have no minimum, some require a dozen, and some require up to 1,000 to be made at once)