500 Mamaroneck Avenue, Harrison, NY 10528
Phone: (914) 835-4484 Fax: (914) 835-4532
4.3.6
Heat / Cool (Roof Top Unit / Dual Stage): This is when the Heater and Air
conditioner are dual stage and are in a single unit.
4.3.7
Heat pump: Single-stage heat pump (backup or auxiliary heat).
4.3.8
Heat only with fan: Gas, oil, or Electric Furnace heat without central air
conditioning.
4.3.9
Hot water heat (no fan): Gas, oil or hot water heat without central air
conditioning.
4.3.10
Multi-stage heat pump: Heat pump with backup or auxiliary heating.
4.3.10.1
Conventional multi-stage system #1: 2heat stages & 2 cooling
stages
4.3.10.2
Conventional multi-stage system #2: 2 heat stages
4.3.10.3
Conventional multi-stage system #3: 1 heat stage, 2 cooling
stages
4.3.11
Radiant Floor With 2nd Stage Furnace (Oil/Gas or Electric):
