Natural gas is one of the most economical sources of energy for home heating. That’s why, according to the Natural Gas Supply Association’s naturalgas.org, 62 million homes (56 percent of the ...

This will only be found on newer, condensing forced-air furnaces with a 90% or higher efficiency rating. High efficiency furnaces condense exhaust fumes before sending them out the flue pipe.

Naturally, the solution was to construct a homemade wood furnace. The build starts off with an angle grinder being taken to a compressed air tank. After sawing off the top and sanding down the ...

FortisBC surveyed 6,000 residential customers in B.C. and found that more than 40 per cent of homes had a mid- or standard-efficiency furnace. A further 17 per cent of people didn’t know the eff ...