Inline Duct Fans Compared: DuraBreeze vs Can-Fan, Price per 100 CFM from 6 to 14 Inches
Inline Duct Fans Compared: DuraBreeze vs Can-Fan, Price per 100 CFM from 6 to 14 Inches
A fan is the cheapest part of most exhaust builds, and the one most often bought on a guess. The listing says CFM, the price is on the page, and the number you actually care about is the cost of moving air.
This guide lines up the inline fans in our live catalog from 6 to 14 inches by price per 100 rated CFM. The ratings are the titles' ratings, so treat them as a way to compare, not a promise of what moves through your ducting.
The 30-Second Answer
Cheapest per CFM: DuraBreeze Mixed Flow 14", $4.47 per 100 CFM, with the Mixed Flow 10" close behind at $4.59. The quiet-line value: DuraBreeze Quiet 12" at $4.88. The most expensive: Can-Fan Q-Max 6" at $23.45. The catch: CFM is a free-air rating, and the listings give no noise or power figures. The rule: size from your room and your filter, then compare.
All Ten Fans, Cheapest per CFM First
| Fan | Rated CFM | Price | Per 100 CFM | In stock |
|---|---|---|---|---|
| DuraBreeze Mixed Flow 14" | 1,747 | $78.05 | $4.47 | 166 |
| DuraBreeze Mixed Flow 10" | 882 | $40.50 | $4.59 | 102 |
| DuraBreeze Quiet 12" | 1,900 | $92.63 | $4.88 | 61 |
| DuraBreeze Quiet 10" | 1,219 | $65.57 | $5.38 | 251 |
| DuraBreeze Mixed Flow 12" | 1,765 | $149.99 | $8.50 | 19 |
| Can-Fan Max Fan 8" | 675 | $63.61 | $9.42 | 11 |
| Can-Fan Q-Max 10" | 1,024 | $122.73 | $11.99 | 1 |
| DuraBreeze Quiet 6" | 385 | $49.45 | $12.84 | 17 |
| DuraBreeze Quiet 8" | 437 | $59.12 | $13.53 | 54 |
| Can-Fan Q-Max 6" | 400 | $93.82 | $23.45 | 1 |
What the Numbers Say
Price per CFM is not a clean curve across sizes. The 14 inch Mixed Flow is cheapest at $4.47 and the 10 inch Mixed Flow is close at $4.59, but the 12 inch Mixed Flow is much higher at $8.50. In the Quiet line, the 12 inch at $4.88 and the 10 inch at $5.38 are good value, while the 6 and 8 inch models run $12.84 and $13.53, so small fans cost more per CFM. Can-Fan is mixed. The Max Fan 8 inch at $63.61 for 675 CFM is $9.42 per 100 CFM, which beats the DuraBreeze Quiet 8 inch at $13.53. The Q-Max units cost more: $11.99 at 10 inches and $23.45 at 6 inches.
Before You Buy
Check three things: the airflow your room needs, using our HVAC sizing guide; the resistance from your carbon filter and duct run; and stock. The Can-Fan Q-Max units are down to one each.
Start the conversation
Send your room size, filter and duct run. Email info@modernfarms.store or call 818-504-8165, and we will tell you which fan fits, including when the cheapest one is enough.
Frequently Asked Questions
Which inline fan is cheapest per CFM?
On listing price per rated CFM, the DuraBreeze Mixed Flow 14" at $78.05 for 1,747 CFM is lowest at $4.47 per 100 CFM. The DuraBreeze Mixed Flow 10" at $40.50 is next at $4.59, and it is the lowest-priced fan in absolute terms.
Does the CFM rating mean what I will actually move?
No. The CFM in a product title is the fan rating, usually in free air. Ducting, carbon filters, bends and length all reduce what the fan moves, and the listings don't give a static pressure curve, so size with margin.
Why is the 14" Mixed Flow rated lower than the 12" Quiet?
The listings are what they are: the DuraBreeze Mixed Flow 14" lists 1,747 CFM, and the DuraBreeze Quiet 12" lists 1,900. We can't explain the difference from the listings, so ask us before you size a build around either number.
Do these listings state noise, watts or amps?
The titles and the data we reviewed give CFM and size, not decibels or wattage, so we won't compare noise or running cost. Ask us for those specs if they decide your purchase.
Should I buy the Can-Fan Q-Max?
On price per CFM they run higher than the Max Fan and the DuraBreeze fans, and we have 1 of each in stock. If you want one, ask us what the stock and lead time look like. We don't have data in the listing that says why you would pay more.
How do I pick a duct size?
Match the duct size to the fan, and size the fan from your room volume, filter and run length. Our HVAC sizing guide covers the room side of the math.
Is the price I see the price I will pay?
These are the prices on our product pages. Freight isn't stated in the listings, so ask about shipping if you are buying several.
This article is general information, not technical advice. CFM ratings come from product titles and are free-air ratings. Prices and stock reflect ModernFarms' live catalog as of November 4, 2026. We don't upsell, and we'd rather you buy the fan that fits your duct than the biggest one.