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Head-to-head · Best Window Fans

Amazon Basics Twin Window Fan (9-inch) vs Comfort Zone CZ319WT 9-inch 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

Amazon Basics Twin Window Fan (9-inch) is the only one of the two with a published score (3.9); Comfort Zone CZ319WT 9-inch Twin Window Fan has none, so this is not a close call so much as an unmeasured one. Amazon Basics Twin Window Fan (9-inch) is best for: Budget buyers who want a simple, quiet twin fan for a small or medium room and do not need a thermostat or remote. Read the strengths below before deciding.

Amazon Basics Twin Window Fan (9-inch)
Higher ratedRanked #2 in Best Window Fans
Amazon Basics Twin Window Fan (9-inch)
2 sources$34.36as of Oct 16

A basic 9-inch twin window fan with two speeds and manual controls. Bob Vila tested it, rated it 4.3 out of 5 and named it Best Bang for the Buck; TechGearLab tested it, scored it 66 out of 100 and named it Best Window Fan on a Budget, measuring 755 CFM of airflow. Both found the same main drawback: to switch between intake and exhaust you have to take the fan out and turn it around.

Strengths
  • — Bob Vila rated it 4.3 out of 5 (Best Bang for the Buck); TechGearLab scored it 66/100 (Best Window Fan on a Budget)
  • — TechGearLab measured 755 CFM, tied for second-highest in its test, and 1.27 newtons of thrust
  • — Bob Vila found installation takes minutes; TechGearLab gave it its highest installation sub-score (9.0)
Watch-outs
  • — No thermostat or temperature-based shut-off
  • — TechGearLab says it cannot stand vertically, and its CFM readings reflect lackluster air movement for larger spaces
$34.36 · Check Price on AmazonFull review →
Comfort Zone CZ319WT 9-inch Twin Window Fan
Ranked #5 in Best Window Fans
Comfort Zone CZ319WT 9-inch Twin Window Fan
Unrated2 sources$38.67as of Oct 17

The Comfort Zone CZ319WT is the no-frills value pick: a 9-inch twin reversible fan that does the basics well and adds absolutely nothing extra. For a single-window cooling job with no need for a thermostat, scheduling, or remote, it's a smart choice. At full retail price, though, it isn't the bargain it looks like.

Strengths
  • — Twin 9-inch blades match the Genesis on size while listing well under $40
  • — Removable fabric cover and snap-off front grille make the fan straightforward to keep clean
  • — Hassle-free installation is the most frequently cited pro in owner reviews
Watch-outs
  • — Some owners report a frequent squeak or rattle from the blades after a season of use
$38.67 · Check Price on AmazonFull review →

How they stack up

Amazon Basics Twin Window Fan (9-inch)

TechGearLab measured it at 755 CFM, tied with the Bionaire BWF0910AR and above the Genesis A1WINDOWFAN's 669 CFM, but the Bionaire adds a remote and electric reversing. Bob Vila gave it the same 4.3 out of 5 as the Vornado Transom, which costs more and adds a remote, a digital touch panel and push-button reversing. Unlike the Genesis and Holmes HAWF2043, it has no thermostat.

Comfort Zone CZ319WT 9-inch Twin Window Fan

The Comfort Zone CZ319WT has the same 9-inch blades as the Genesis A1WINDOWFAN but no thermostat, which the Genesis, the Bionaire BWF0910AR and the Holmes HAWF2043 all have. Its listed airflow of 431 CFM is below the Genesis at 668.5 CFM, the Bionaire at 754.5 CFM and the Holmes at 592.1 CFM. It costs less than the Bionaire and the Holmes.

Specs side-by-side

SpecAmazon Basics Twin Window Fan (9-inch)Comfort Zone CZ319WT 9-inch Twin Window Fan
Fan Size9-inch twin—
Speeds23
ControlsManual—
ReversibleYes, by flipping the fan—
Window Width25 to 32 inches (expandable side panels)—
Dimensions23.43" L x 12.6" H x 5.35" D (Bob Vila)5.63"D x 22.75"W x 11.63"H
Measured Airflow755 CFM (TechGearLab)—
RemoteNo—
ThermostatNoNo
Blade Diameter—9 in
Fan Count—Twin (dual blade)
Airflow—431 CFM (Bob Vila lab measured)
Reversible Direction—Yes
Window Width Range—23.5-37 in (auto-locking expanders)
Weight—5.6 lbs
Power Source—120V AC
Warranty—1 year
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