About Bullman Heating & Air Your Top Geothermal Source in Western North Carolina You can look to Bullman Heating & Air for all your WaterFurnace Western North Carolina geothermal heating and cooling requirements, including... planning assistance. complete comfort system installation. routine service and maintenance. emergency repair. energy-saving advice and consultation. Delivering total customer satisfaction is our highest priority in the Western North Carolina area, and our highly trained professional staff will see to that.It's hard not to be satisfied when you pick the best heating and cooling system on the market today. We will see to it that your new system meets all of your expectations, helping you to cut your energy costs and increase your home's conditioning efficiency. Contact Bullman Heating & Air today to get a free estimate and a cost savings analysis for your home.