Empyre outdoor wood boilers are available through the websites for Houseneeds and Obadiah's Stoves. Houseneeds offers Empyre Pro series models, with prices ranging from $9,695 to $11,795 as of March 2015. The Pro Series units have a heating capacity range of 230,000 to 330,000 British thermal heating units per hour.
Obadiah's Stoves offers the Empyre Pro-Fab series in the 250 and 450 models. The Empyre Pro-Fab 250 has a heating area of 2,000 to 4,000 square feet. The Empyre Pro-Fab 450 is capable of heating 6,000 to 8,000 square feet. The price for these often includes delivery with lift-gate service, but some exceptions to free delivery may apply.