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Head-to-head · Best Window Fans

Bionaire BW2300-N Twin Window Fan vs Holmes HAWF2043 Dual 8-inch Blade Twin Window Fan

Which is the better buy? Side-by-side on rating, price, strengths, and watch-outs — with the published ratings we averaged to get there.

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The short answer

Bionaire BW2300-N Twin Window Fan is the only one of the two with a published score (4.0); Holmes HAWF2043 Dual 8-inch Blade Twin Window Fan has none, so this is not a close call so much as an unmeasured one. Bionaire BW2300-N Twin Window Fan is best for: people who want a quiet twin window fan with a precise thermostat and a remote for a bedroom or office. Read the strengths below before deciding.

Bionaire BW2300-N Twin Window Fan
Higher ratedRanked #1 in Best Window Fans
Bionaire BW2300-N Twin Window Fan
1 source$60as of Oct 17

The Bionaire twin window fan pairs two 8.5-inch reversible blades with a digital programmable thermostat, three speeds and a remote, and fits windows 24 to 36 inches wide. TechGearLab named it its best overall window fan with a score of 70/100, praising single-degree thermostat control and low noise at full speed, though it measured only middling air movement. The Spruce also made it its best overall pick for its remote and independently reversible fans, while Reviewed called it its best value but found its wind speeds on the lower side of average. It suits bedrooms and home offices where quiet, automatic temperature control matters; anyone who wants strong whole-room circulation should look at a larger fan.

Strengths
  • — Thermostat sets in single-degree steps, with clear, intuitive controls
  • — Quiet at full speed: TechGearLab measured 50.1 dBA, well below most rivals
  • — Each of the twin fans can be set to intake or exhaust independently
Watch-outs
  • — Modest airflow: Reviewed's wind-speed results sat on the lower side of average
  • — Starts on high, beeps at every button press, and limits display dimming
  • — Remote needs a clear line of sight to the fan's sensor
$60 · Check Price on AmazonFull review →
Holmes HAWF2043 Dual 8-inch Blade Twin Window Fan
Ranked #6 in Best Window Fans
Holmes HAWF2043 Dual 8-inch Blade Twin Window Fan
Unrated1 source$59.99as of Oct 17

The Holmes HAWF2043 is the long-standing classic of the thermostatic window-fan category, a Bionaire-style platform from a more conservative brand. Owner satisfaction over multi-year use runs high. TechGearLab's lab tests, though, put it behind both the Bionaire and the Genesis on airflow and quietness.

Strengths
  • — Holmes-branded chassis fits most double-hung and slider windows 24-37 inches wide
  • — BestViewsReviews logged 89% positive feedback for the fan across its aggregated Household Window Fans data
  • — Owners regularly report 5+ years of use, with the original HAWF2043 platform on the market since the early 2000s
Watch-outs
  • — Two speeds rather than three, so the granularity sits below the Bionaire's three-speed control
$59.99 · Check Price on AmazonFull review →

How they stack up

Bionaire BW2300-N Twin Window Fan

TechGearLab measured the same 754.5 CFM airflow from the Bionaire and the Amazon Basics Twin Window Fan (9-inch), but the Bionaire adds a thermostat, a remote and push-button exhaust, where the Amazon Basics must be turned around in the window. The Vornado Transom measured quieter in the same tests but moved far less air (248.3 CFM), and The Spruce notes the Genesis A1WINDOWFAN Twin offers temperature settings without a remote.

Holmes HAWF2043 Dual 8-inch Blade Twin Window Fan

The Holmes HAWF2043 moves less air than the Bionaire BWF0910AR (592.1 against 754.5 CFM) and the Genesis A1WINDOWFAN (668.5 CFM) in TechGearLab's measurements. It is a thermostat fan like the Bionaire, but with two speeds per blade instead of three. Its 8-inch blades are smaller than the 9-inch blades of the Comfort Zone CZ319WT and the Genesis.

Specs side-by-side

SpecBionaire BW2300-N Twin Window FanHolmes HAWF2043 Dual 8-inch Blade Twin Window Fan
Dimensions12.8 x 24 x 4 in6"D x 13.3"W x 25.5"H
Window Width24 to 36 in—
BladesTwin 8.5-inch, reversible—
Fan Speeds3—
ControlsDigital panel with display, remote—
ThermostatProgrammableYes - LED one-touch 60-80F
PowerStandard 120V outlet—
Blade Diameter—8 in
Fan Count—Twin (dual blade)
Speeds—2 per blade
Airflow—592.1 CFM (TechGearLab lab measured)
Reversible Direction—Yes - electric per blade (intake / exhaust)
Window Width Range—24-37 in
Noise—54.2 dBA peak (TechGearLab)
Power Source—120V AC
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