ComfortCostGuide

Metro cost guide

Philadelphia, Pennsylvania: HVAC Replacement Cost Calculator

Most Philadelphia homeowners spend between $3,500 and $13,000 to replace an HVAC system, depending on whether you're swapping a single component or the whole setup. A gas furnace alone runs $3,500 to $7,000 installed, while a matched central AC and furnace replacement lands between $7,500 and $13,000. Local HVAC labor averages $31.19 per hour, and Philadelphia sits at the national average on our labor index, so installation costs here track close to typical US pricing.

Worked example

Take a 1,600-square-foot rowhome in South Philadelphia with a 20-year-old gas furnace in the basement and an outdoor AC condenser that finally quit. Because both units are at end of life and share the same ductwork and blower, replacing them together as a matched pair makes more sense than doing one now and one later. With standard-efficiency equipment, existing ductwork in usable shape, and a straightforward one-day changeout, this job would land near the middle of the $7,500 to $13,000 range — call it around $9,500 to $10,500. Pushing to higher-efficiency equipment, adding a new line set, or dealing with tight basement access and old asbestos-wrapped duct sections would move it toward the top of the range.

Frequently asked questions

How much does it cost to replace a furnace in Philadelphia?

A gas furnace replacement in Philadelphia typically runs $3,500 to $7,000 installed. The low end covers a standard-efficiency unit swapped into an existing setup with no venting or ductwork changes, while the high end reflects larger homes, high-efficiency condensing furnaces that need new PVC venting, or tricky basement and closet installations.

Is a heat pump worth it in Philadelphia's climate?

Philadelphia is in climate zone 5, so winters are cold enough that a heat pump needs to be properly sized and often paired with backup heat or set up as a dual-fuel system with a gas furnace. Heat pumps here run $6,000 to $12,000 installed, which is more than a furnace alone but covers both heating and cooling in one system.

What does central air conditioning cost to install in Philadelphia?

Central AC replacement in Philadelphia costs $4,000 to $7,500 installed when you're reusing existing ductwork. Row homes and twins with cramped mechanical spaces, long line set runs, or condensers that have to go on a roof or in a narrow side yard tend to land in the upper half of that range.

What are my options if my Philadelphia row home has no ductwork?

Ductless mini splits are the common solution for older Philadelphia homes with radiators or no duct system, and they run $3,500 to $10,000 installed. A single-zone system for one room or a finished attic sits near the bottom of that range, while a multi-zone setup covering several floors of a row home approaches the top.

Related cost guides