Not all filters are manufactured the same. In fact, there are a range of filter types and efficiencies from which to choose. Before you swap out your old filter for a higher efficiency one, however, talk to an HVAC professional. There are risks to installing a filter that’s not designed for use with your HVAC system. You can also check the owner’s guide, as the manufacturer will outline the range of filter efficiency ratings that are ideal to use with the system.
A register is a grilles with moving parts, capable of being opened and closed and the air flow directed, which is part of a building's heating, ventilation, and air conditioning (HVAC) system. The placement and size of registers is critical to HVAC efficiency.
