Benefits of a Rheem Air Conditioner Most Rheem air conditioners get higher customer ratings on average compared to other similar products. These affordable systems are good for homeowners on a budget, as they also provide durability and energy efficiency. Some of their air conditioners also have a SEER of up to 20.Click to see full answer. Regarding this, how long does a Rheem air conditioner last?This group would expect furnaces and air conditioning units to last 12- years. Apr You may be wondering exactly how long a central air conditioner is supposed to last – assuming it is maintained properly over the years. In general, a well-maintained central air conditioning system usually lasts for approximately years. how much does a Rheem AC unit cost? Rheem Air Conditioner Prices By Model Models System Only System Installed Rheem Prestige RA20 $1,850 $3,900 Rheem Classic Plus RA17 $1,480 $3,620 Rheem Classic RA16 $1,205 $3,505 Rheem Classic RA14 $1,050 $3,350 People also ask, who Makes Rheem air conditioning units? Rheem Manufacturing Company Area served North and South America, Australasia, Middle East Products Water heaters, air conditioners, Household furnaces Owner Paloma Industries Number of employees 7000 Divisions Rheem, Ruud, Raypak, Prostock Which brand of air conditioner is the best? Here’s a quick roundup of our top 10 best AC brands on the market today: Goodman Central Air Conditioners. Trane Central AC Units. Rheem Air Conditioners. Lennox HVAC Units. York AC Units. Ruud Central Air Conditioners. Amana HVAC Systems. HEIL Air Conditioners.