North America's Most Popular Portable Propane Heater! Ranging from 3,800 - 18,000 BTU Buddy Heaters have done battle against the gripping cold of winter in the hunting blind, deer stand, and even on the cold, open ice where mother nature is at her worst. As well as spot heat in garages, barns, cabins, and workshops across the country. For times when you don’t want winter to get in the way—Get a Buddy!!