Clogged Furnace? Time For Inspection! October 17, 2014 | Greenwood HVAC Furnace Tune-Up How Often Should My Furnace Be Tuned Up? When it comes to your furnace, it is extremely important to change the furnace filter rather often. Th... read more Recent PostsWhat are the Reasons for Furnace Yearly Maintenance?Making Smart Choices: The Benefits of Installing a WiFi ThermostatWe Proudly Install TRANE EquipmentWhy You Need a REME HALO® Whole Home In-Duct Air PurifierHow Much Does Air Conditioning Repair Cost?