Harman PF100 Hot Air Pellet Furnace

vgrund Posted By vgrund, Jan 11, 2006 at 11:24 PM

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  1. vgrund

    Feeling the Heat 2.

    Dec 8, 2005
    Amherst, NH
    Anybody own a pellet furnace? Putting current fuel shortages aside for a moment, it's an interesting concept.


    I have been told these can be installed in a configuration that keeps an existing forced-air furnace in place as a backup (and possibly as the air handler - not sure about that). I wonder if this would work with zoned duct systems. I have 4 thermostats scattered about my house controlling different zones.

  2. stovemanken

    New Member 2.

    Nov 30, 2005
    Yes, the PF100 is designed to be in tandem with an existing FA furnace. In fact, that is really the only practical way to use it in a residential application. You could run out of pellets and your pipes would freeze if you did not have the other furnace set a few degrees lower than the PF.

    That being said, I would think having 4 zones would present some large technical challenges. Most dealers shy away from the PF100 because of the plenum pressure measurement issues and basic sheet metal issues which are new to them. I recommend that they partner with an HVAC company to handle the installation and those guys can handle the ducting questions as well.

    You might see if your dealer will work with an HVAC contractor.

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