(916) 374-5051 $49.00 Economy Newcastle Heating And Air Conditioning Service Special! We also offer a free estimate on new installations. A few of our heating and air conditioning Services are: heating and air conditioning repair, duct repair, and replacement Water heater installation. indoor air quality, and Energy consulting. We service and install all makes and models. Economy Heating And Air Conditioning Repair. We serve all of Newcastle and Beyond. If your condensing unit, or furnace needs a tune-up just give us a call.