The Rheem Prestige 90 Series is a modulating gas furnace that can be configured with “contour comfort control” to include an air conditioner and humidifier. This furnace is Energy Star rated with an AFUE of up to 94.3%. It is a fully modulating furnace utilizing a modulating gas valve, two speed inducer (draft motor) and a variable speed ECM motor. The Prestige 90 is offered at the high-end of Rheem’s line of gas furnaces.
I’m shocked at the negative comments about Rheem furnaces. I’ve been installing various furnaces for 30 years and I’ll tell you Rheem is the most reliable brand out there. My rgfd06 is 3 years old and is the quietest, smoothest, slickest machine I’ve seen. do not oversize your furnace. One writer said his heat loss was 90,000 btu and he chose a 120,000 btu furnace. If it is an existing home, his ductwork is probably sized for a 60,000 or 75,000 btu furnace. That’s the main reason people have problems. Happy shopping.
Had the unit for 23 years still working fine. I did have some issue with the electronic ignition in the second year. I replaced the crappy Robert- Shaw electronics with Honeywell. I think at the time the upgrade cost me about $100 bucks from the ww Grainger catalogue. I am replacing it with a new Rheem rgfd07 modulating furnace and rand024 air conditioner with R-22.(don’t like the new freon) The salesman said the new unit has all Honeywell controls.
Other Prestige 90 Plus Reviews
Some people discussing this furnace online complain that Rheem doesn’t like taking customer service calls.
A well-respected member of gardenweb.com thinks highly of the Rheem Prestige, and compares it favorably to a Lennox model. He says that the materials are good and the thermostat is particularly responsive.
On HVAC-Talk.com, a discussion of a malfunctioning Rheem is tempered by several users’ assurances that the Prestige 90 will work very well if installed correctly. People on HVAC-Talk generally think well of the Rheem; it’s been on the market for a while and they say it’s quite reliable. One user reports happily extending the warranty on his Rheem to a lifetime length.
Rheem Prestige 90 Plus Model Numbers
The Prestige 90 Plus is available in different models which vary in efficiency and capacity.
BTUs per Hour
Prestige 90 Plus Warranty
This series’ heat exchanger comes with a limited lifetime warranty. There’s a conditional lifetime warranty for replacing the whole unit. (This warranty requires registration and continued ownership by the original purchaser.) Everything besides the heat exchanger is covered by a ten-year limited parts warranty.
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