Grainger carries central equipment for the biggest central heating and air jobs in HVAC. When you need to create split-system ventilation for an apartment building, Grainger has the multi-position air handler as well as the ductwork you’ll need. You'll also find a high-efficiency gas furnace with the correct load calculation for any space. You can also find a replacement evaporator coil for a heat pump, plus the accessories you’ll need a refrigerant line, a tube brush and smoke matches to keep your big projects running smoothly. Grainger carries the central equipment for your most important heating and air equipment.