Near 37th Street in Boulder, Colorado, Mesa Plumbing helps with gas furnace smells like gas and furnace producing burning smell when heat first kicks on. Reach out at (720) 680-2303 at 1740 38th St, Boulder, CO 80301 for Gunbarrel, Niwot, Erie, and Longmont. https://www.mesa-plumbing.com/heating/furnace-repair/