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Question DetailsAsked on 3/20/2014

how much does it cost for a furnace. 96 AFUE and air conditioner, 14 seer, replacement on a 3,500 square foot home?

Boise, Idaho
Two story home, 28 years old

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2 Answers



This is Leah B. in Member Services, happy to help with your request!

While we don't keep an official listing of going service rates due to fluctuating market factors and geographic differences, members are strongly encouraged to include in service reviews what they paid and whether they find it reasonable. By checking full reviews rather than just A through F ratings within a category, you can get a reasonable overview of the range of pricing for your area.

You can also check out for Big Deals to help save you money on services! I checked to see if there are any relevant deals in your chapter for a furnace replacement, and none came up that are currently active, but new deals go active daily, so we encourage you to have a look now and then at the discounts offered by local providers in partnership with Angie's List.


Answered 6 years ago by Member Services


I am surprised you have not gotten input here from one of the 2 or 3 HVAC contractors that commonly contribute here - they usually jump on the HVAC questions pretty fast - maybe your northern clime stiopped them, because most of them are from the South.

Price depends on configuration of system, if existing ducting is suitable for new system, etc., and what size system is needed based on the calculations needed - Manuals J and D and S and so forth - that are used to size a system to meet heting and cooling loads, determine ducting needs, and determine individual room vent sizing.

You can get an idea of system costs from the large number of prior questions with responses similar to yours in the Home > HVAC link in Browse Projects, at lower left of this page.

I would say, off the cuff ROUGH ballpark, you are probably in about a 5-7 ton A/C system for your area - depending on whether you want to air condition for the rare hottest days in your area, or for the average high temp and accept a few warmer days - there is a LOT of difference between the two in the upper Rockies. Then, considering the age of the home, depending on whether it has been weatherized and reinsulated or not since construction, could run from maybe 40,000-70,000 BTU range on the furnace depending on your house construction and layout. Just grossly roughly, I would be surprised if you could get a brand name furnace and A/C system installed for under $6000 minimum, and looking for high efficiency like that probably closer to $8-10,000 all told - possibly more if significant duct changes are called for. This is assuming you are talking forced air - maybe $1-2,000 less total cost if hydronic (hot water baseboard) heating.

Answered 6 years ago by LCD

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