by Amarillo Air Lady | April 28, 2015May 6, 2015 Ceiling Fan Direction: A Determining Factor in Home Efficiency HVAC system efficiency is affected by many more factors than just the furnace, heat pump, or A/C. How well your home is sealed, the level of humidity in the air, and insulation in walls and attic spaces, […]Read More Filed Under: Energy Efficiency Tagged With: Amarillo– Ceiling Fan Direction– HVAC efficiency– HVAC system– Texas– thermostat– zoning system