20-Year Heat Exchanger Warranty
All Other Parts 5 Years
Gas Efficiency: 90%
Classic 90 Plus Value Upflow Gas Furnace
THE RHEEM CLASSIC® 90 GAS FURNACE operates at a minimum of 92% AFUE to provide years of cost savings for
all your heating needs. And like other Rheem Classic models, the 90 Plus is available in upflow and downflow/horizontal
models for flexible installation options.
COMPREHENSIVE RANGE OF CAPACITIES. The Rheem Classic 90 gas furnace
is available in heating capacities of between 45,000 and 120,000 BTUH. Chances are, there's a model to suit your
INNOVATIVE FEATURES FOR ADDED RELIABILITY. The Rheem Classic 90 uses a stainless steel
secondary heat exchanger that's so reliable, it's backed by a limited 20-year warranty. And this is just the
beginning. Each Rheem furnace is designed to provide years of dependable, trouble-free service.
Rheem manufactures the most comprehensive, feature-loaded furnace line-up in the heating industry. At
the top of this furnace line-up is the Rheem Prestige Series 90 Plus Modulating Gas Furnace with Contour
Comfort Control- North America's first truly modulating gas furnace.