Top latest Five hvac system types Urban news
DX means Direct Expansion. DX refers to air conditioners that use refrigerant because the medium of heat transfer to cool the air. Samples of DX systems include split air conditioners, multi-break up air conditioners, and VRF/VRV systems.BDD stands for Backdraft Damper. BDD is utilized to ensure air flows in one route. It prohibit air from flowing