RHEEM - Heatpump, Mini-split systems, Classic 80% efficiency/95% efficiency or 2 stage furnace and AC installation.
Bosch 2 stage heatpump. Inverter compressor technology. Up to 20seer.
Friedrich, Fujitsu and Rheem Mini-split systems. Up to 23seer.
EAC (Electronic Air Cleaner)
Smart thermostat replacement