AC manufacturers

For room air conditioners, prefer manufacturers that have adhered to the EnergyStar rating program. That means that they are manufacturing room AC units with higher EER.

See: Energy Star List for AC Manufacturers

There isn’t such a list for other types of air conditioners, but you can still use Energy Star/SEER ratings.

The most important AC manufacturers are well known multinationals:

Amana, Bryant, Carrier, Coleman, Daikin, Danfoss, Fujitsu, Goodman, Hayward, Heil-Hvac, Honeywell, Lennox, Nordyne, Rheem, Ruud, Sanyo, Sears, Trane, WaterFurnace, York...

Contractors and service professional

To select AC contractors and AC service professionals, see: AC contractors and Professional Service Technicians.