There are several cost components to think about when budgeting for a new furnace in Whitney. The average total cost is between $3,000 to $7,500, which includes both the furnace and its professional installation. Exact figures depend on furnace type (gas, electric, or oil), brand, size, and efficiency. Some other possible costs include modifications to existing ductwork, new permits, and necessary upgrades to your home's electrical system or venting that may need to happen before a new furnace can go in. Are you planning to do any of that? If not, great! Still, definitely think about setting aside money for maintenance, inspection, or service that may be necessary right after the install. To get a solid estimate on all this, consider talking to three to five contractors to get a good range of potential costs and to ensure your peace of mind.