As previously mentioned, this type of motor is used as a fan motor in refrigerators and freezers and in some types of air-conditioning equipment where…
Tag: HVAC
The routine of operation to secure the best and most efficient results with an attic fan is important. Atypical operating routine might require that, in…
The volume of air required is determined by the size of the space to be ventilated and the number of times per hour that the…
Various types of fans are used in air-conditioning applications and are classified as propeller, tube-axial, vane-axial, and centrifugal. The propeller and tube-axial fans consist of…
Table 3-2 gives the recommended air velocities in feet per minute for different requirements. These air velocities are in accordance with good practice. It should…
Air ducts for transmission of air in a forced-air heating, ventilation, or air-conditioner system must be carefully designed from the standpoint of economy, as well…
Dry filters are usually made in standard units of definite rated capacity and resistance to the passage of air. At the time the installation is…