Near 40th Street in Boulder, Colorado, Mesa Plumbing checks blower runs but no heat and cold spots in the house that show up in bedrooms. Give us a call at (720) 680-2303 or stop by 1740 38th St, Boulder, CO 80301; we also serve Longmont, Niwot, Erie, and Superior. https://www.mesa-plumbing.com/heating/furnace-repair/