Air Handler
The indoor blower-and-coil cabinet that circulates conditioned air through your ducts; paired with an outdoor heat pump or AC condenser.
Quick answer
Air Handler: The indoor blower-and-coil cabinet that circulates conditioned air through your ducts; paired with an outdoor heat pump or AC condenser. Typical cost: $1,800–$4,000 installed standalone; usually replaced with the outdoor unit as a system..
Why it matters
Air handlers fail on their own timeline (often 12–18 years) and replacing one without matching the outdoor unit can void warranties and tank efficiency.
Typical cost
$1,800–$4,000 installed standalone; usually replaced with the outdoor unit as a system.
Pros
- • Quiet variable-speed options
- • ECM motors save 20–30% on blower energy
Cons
- • Must be matched to outdoor unit for AHRI-certified efficiency
Common uses
- • Heat-pump systems
- • All-electric homes
- • Homes without a fuel-burning furnace
Alternatives
Gas/propane/oil furnace as the indoor unit
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Frequently asked questions
- Can I replace just the air handler?
- Only if the outdoor unit is recent and still AHRI-matched — otherwise you lose efficiency and warranty.
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