The system fan brings air to the indoor unit, where it passes over the cold evaporator coil. Heat and humidity are removed as the air conditioner returns to your home using the same fan. An HVAC fan helps air circulate, which in turn dries out humid areas, such as bathrooms. Generally, less moisture means less mold.
This translates into fewer odors and risks to your respiratory health and that of your family.
All HVAC technicians should know these safety tips: an electrical shock can happen in an instant and it can be difficult to tell if a cable is connected or not. Therefore, safety against electrocution should be a major concern of HVAC technicians at all times.
When insulating HVAC ducts, use sheet-coated fiberglass insulation with an R 6 value or higher. Use the type of metal adhesive tape recommended by the insulation manufacturer to seal and hold the insulation in place.
Fiberglass air filters are disposable and the least expensive type of filter. They cause less strain on HVAC systems when they draw in air and keep large particles out of the system.
These are the different types of filters available for residential HVAC systems, fiberglass air filters. Fiberglass air filters are disposable and the least expensive type of filter.