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Question DetailsAsked on 2/14/2018

What should I pay for a new furnace and air conditioner installed in a 1700 square foot 2 story townhome in 92677

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You can find a fair number of similar questions with answers in the Home > HVAC link, under Browse Projects, at lower left. Also a fair number of previous questions with answers about the economic factors in rewplacing a HVAC system.

In your area, with quite low heating demand, first off I would probably be looking at a heat pump rather than an air conditioner plus furnace. A heat pump works like and looks very much like an air conditioner, but in heating season operates with the fluid flow in reverse (using a reversing valve) and pulls heat from the air and pumps it through the evaporator coil (heat exchange coil) to heat the air. Can use same ducts as an existing furnace, but for areas where temperatures rarely get below about 40 and almost never below about 10-20 can be more economic and much higher efficiency than a furnace. (At very cold temps - below about 40 with many units, below about 10-20 with almost all) it uses an auxiliary gas-fired (more expensive) or electric heating coil to provide makeup heat because the unit heating capacity goes down with colder outside air. But for your area, a definite possibility - and smaller than two separate units.

Downside - like 10-15 years like an A/C rather than 25-40 for a furnace, but as a combined unit should be cheaper than both A/C and furnace replacement. Course, I did not ask WHY you are replacing both - rare for both to go out or asg out at the same time.

Total cost probably $5000 minimum range plus or minus $1000 or so, on up to around $8,000-10,000 probably for your size apartment for very high efficiency unit - which might or might not pay off depending on your exact electric rate, what you figure future rates will be, available state-local-utility energy program rebates, and in particular on how long you think you will be living in that unit.

Do a bit of research and some number comparisons for high-efficiency and standard efficiency A/C and furnace versus heat pump for your area (should be lots of state and utility links to calculators to help you figure costs and savings) to look at whether high-efficiency might pay off for you (generally not unless you will live there for 10 years or more unlesss there are great energy rebate programs available), then get bids from several well-rated and reviewed Heating and A/C (your Search the List category) vendors to compare pricing.

Answered 2 years ago by LCD

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