Reliability and Rheem. They Just Go Together. One of the most compact furnaces available today, only 34" tall, Rheem is both economical to install and operate. High efficiency air conditioning is also affordable. When price is the main concern, Rheem makes the best choice for affordable quality. The Classic 90 Plus furnace has been rigorously tested at the North Pole, where dependability is critical. Does your home feel like the North Pole? Maybe its time for Rheem and Morrell Company to properly upgrade you're old, inefficient heating & cooling system Our installation ensures Rheem is affordable to own and operate for years. Morrell Company's seasoned professionals give peace of mind, not a perpetual nightmare. We'll save you money for the life of your equipment, plus first year energy savings will most likely pay back any extras a Morrell Company installation may be.