2011 R 92


SUPPLIER PROFILES


Rinnai Introduces New Hydronic Furnace With Ultra-efficient Motor


innai Corporation, manufacturer of the No. 1 selling brand of tankless gas water heaters in North America, has introduced four new hydronic


furnace models, further expanding the company’s home heating product portfolio. Rinnai’s new hydronic furnace design, which works in conjunction with the Rinnai® tankless water heating system to efficiently heat the entire home, features Electronically Commutated Motor (ECM) technology. This ultra-efficient brushless DC (direct current) motor operates up to 48 percent more efficiently than traditional PSC (permanent split capacitor) motors, which translates into lower operating costs, allowing homeowners to save up to $1,692 over a five-year period. In addition, the ECM motor is quieter and more durable than PSC varieties and runs cooler since it does not include a capacitor like most motors. Rinnai’s hydronic furnace units are compact and


require no venting or gas connections or complex wiring, so they’re easy for installers to place in a closet or attic, making them the ideal heating option for small- to mid- sized homes. Because the hydronic furnace is designed to work with Rinnai tankless water heating units, it offers a great opportunity for HVAC contractors that may be looking to add new revenue streams to their business. Rinnai’s hydronic furnace produces comfortable,


hydronic heat that is less dry than the heat from a typical gas furnace. To accomplish this, the unit uses hot water generated by Rinnai’s tankless water heating system to heat the air, which is then distributed throughout the home via the unit’s blower and the home’s existing ductwork. Rinnai’s new models accommodate standard cased evaporator coils and offer a lower speed range that supports continuous fan operation, resulting in improved filtration and reduced temperature swings throughout the conditioned space. The units also feature an intelligent microprocessor controller that ensures maximum comfort by regulating the pump and fan sequence according to available hot water flow and stopping operation to ensure that domestic hot water needs are satisfied. Most hot water demands are for a short amount of


time – generally less than 10 minutes. Because a home’s overall air temperature would not noticeably drop on its own in that brief time, the hydronic furnace knows it should give priority to hot water during periods of heavy demand and will completely shut down the blower to prevent cold air from being spread throughout the home. It’s a smart system that meets a home’s heating requirements efficiently and effectively. l


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phc may 2011 www.phcnews.com


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