(4) A Nest thermostat in that area is configured for multistage heating and cooling to control both the floor and fan coils. The heat pump itself is on the small side for a 2100 sf home, providing 2.8 ...

When it came to choosing the three “big” boiler air fans—forced draft, induced draft and primary air—the decision revolved around efficiency. Proper air and gas flow are necessary for optimum ...