ThermoPride warm air furnaces are simply the best there is.  It is evident from just looking at one of these units that they are built to last, but durability is only one feature of ThermoPride.  Sippin Energy has used ThermoPride for years for many reasons.  First off, they are quite, sometimes you can barely heart them running.  They also burn clean, thanks to the advanced refractory chamber design.  They are also efficient.  This is largely due to the heat exchanger design.  The heat exchanger is the most important part of the furnace because it is what is responsible for "extracting" the heat from the burner, and transferring it to your home. The heat exchanger in the ThermoPride system is Octagonal in shape, and made out of thick copper coated material.  It is efficient and durable. 

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Hallmark warm air furnaces provide Sippin Energy with a solid warm-air heating solution at an economical price.  the Hallmark line of warm air furnaces are designed with high-efficiency heat exchanges and are available with Beckett, and Riello oil burners. Hallmark Furnaces are also available in many size configurations so retro-fitting is a snap.