WindowENERGY STAR

Windmill WhisperTech 10K

4.0(182 retailer ratings) by Windmill · Model 10W2Wi

Windmill's inverter generation — the design-forward chassis now with CEER 15 efficiency and a 42 dB floor.

Cooling

10,000 BTU

Covers

450 ft²

Efficiency

15CEER

Noise

42 dB

$419 est.

typical street price · via Amazon

Check Price

Is 10,000 BTU right for your room? Run the sizing calculator

Strengths & trade-offs

Pros

CEER 15.0, ENERGY STAR certified
Inverter noise starts at 42 dB
Pre-assembled install kit, app and voice control

Cons

Premium over non-inverter 10K units
Thin owner-review record so far

What the Windmill WhisperTech 10K costs to run

Estimated from this unit's 15CEER rating at 8 hours/day of cooling, using average residential electricity rates for each US climate zone. Your usage and utility rate will shift these numbers — run the calculator for your exact room.

Climate zone	Example regions	Est. cost / month
Cool North	Pacific NW, Upper Midwest, New England	$26 /mo
Mixed / Temperate	Mid-Atlantic, Midwest, Mountain	$27 /mo
Hot & Humid	Southeast, Gulf Coast, Texas	$22 /mo
Hot & Dry	Southwest, Desert	$24 /mo

Full specifications

Type	Window air conditioner
Cooling capacity	10,000 BTU
Rated coverage	450 ft²
Efficiency	15 CEER
Noise (low)	42 dB
Smart features	App, Voice
ENERGY STAR	Yes
Model number	10W2Wi
Typical street price	$419