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  • Users: mt31
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  1. mt31

    high eff. gas furnaces

    has anyone heard of or seen a 90% eff. gas packaged heating and cooling unit for residentail or commercial applications
  2. mt31

    90 percent gas furnaces for packaged units

    Why is there not a 90% gas fired heating and cooling packaged units. If there is a unit, where do I find it?

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