ComfortCostGuide

Metro cost guide

Boise, Idaho: HVAC Replacement Cost Calculator

Replacing a full heating and cooling system in Boise typically runs $7,500 to $13,000 installed for a matched gas furnace and central air conditioner. Standalone equipment costs less: $3,500 to $7,000 for a gas furnace, $4,000 to $7,500 for central AC, and $6,000 to $12,000 for a heat pump. Boise's labor index sits at 0.93, about 7% below the national average, with local HVAC technicians earning around $28.85 an hour.

Worked example

A 1,900-square-foot single-story home in the Boise Bench with an original 1990s gas furnace and an outdoor AC unit on its last season needs both replaced. The homeowner chooses a mid-efficiency furnace and a matched 3-ton condenser, reusing the existing ductwork and refrigerant line set where it passes inspection. That job lands near the middle of the local $7,500 to $13,000 range — roughly $9,500 to $10,500 installed. Adding a new line set, electrical work, or a high-efficiency variable-speed system would push it toward the $13,000 end.

Frequently asked questions

Is a heat pump a good choice for Boise winters?

Boise sits in climate zone 5, so winters are cold enough that heat pump sizing and backup heat matter. Heat pumps here run $6,000 to $12,000 installed, and many Boise homeowners pair one with existing gas heat or electric strip backup for the coldest stretches rather than relying on the heat pump alone.

How much does it cost to replace just the air conditioner in Boise?

Central AC replacement in Boise runs $4,000 to $7,500 installed. You'll land at the lower end with a standard-efficiency unit that matches your existing furnace and ductwork, and toward the top end for a larger or higher-efficiency system, or if the indoor coil and line set also need replacing.

Why is HVAC labor cheaper in Boise than the national average?

Boise's labor index is 0.93, meaning installation labor runs about 7% below the national average. Local HVAC technicians earn roughly $28.85 per hour, which keeps the labor portion of a typical replacement lower here than in higher-cost metros — though equipment prices are set nationally and don't vary much.

Should I replace my furnace and AC at the same time?

If both units are near the end of their life, doing them together costs $7,500 to $13,000 versus $3,500 to $7,000 for a furnace alone plus $4,000 to $7,500 for AC done separately. You save on a second service call and labor day, and a matched system usually performs better than mixing new and old equipment.

Are ductless mini-splits worth it in Boise homes?

Ductless mini-splits run $3,500 to $10,000 in Boise depending on how many indoor heads you install. They make the most sense for older Boise homes without ductwork, finished basements, converted garages, or additions where extending existing ducts would be expensive.

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