Hearthrite gas heaters are available online through the Hearthside Distributors and F.N. Cuthbert Gas Heater Store websites. Hearthrite gas heaters on Hearthside Distributors range from about $169 to $382, as of March 2015, depending on overall heating capacity.
The heating efficiency of Hearthrite gas heaters varies between 6,000 to 30,000 British thermal units. The HB30MN model is a 30,000 BTU unit available through the F.N. Cuthbert Gas Heater store. This blue-flame unit features an oxygen depletion sensor that turns the heater off if oxygen reaches low levels. The heater also continues to run during power outages.
The Hearthrite HB30MN is priced at $286 at the F.N. Cuthbert Gas Heater Store, with a three-year limited warranty for parts and labor.