As for evaporator coils, those from systems made by American Standard, Trane, Carrier, and Lennox are more reliable than those from Goodman, York, Ruud, Amana, and Rheem.

Lennox International Inc. is a $3.6 billion-revenue manufacturer of heating, ventilation, air conditioning and refrigeration equipment for the residential, commercial and industrial market.

The HSX19 air conditioner has an efficiency rating of up to 19.2 SEER. Within the air conditioning unit is a two-stage scroll compressor. The Lennox System Operation Monitor, an onboard diagnostics ...