Master Flow · Updated August 2026
Master Flow WHFS24M Direct Drive Whole House Fan: price & specs
Master Flow WHFS24M Direct Drive Whole House Fan. Every price and spec below is linked to its source and dated — no guesses.
Source: thelumberyard.com verified ✓ corroborated verify in ledger
Is the Master Flow WHFS24M Direct Drive Whole House Fan a good buy?
At $380, the Master Flow WHFS24M Direct Drive Whole House Fan is the cheapest of the 6 whole house fans we track, where the median is $812.
Specifications
| Price (US) | $379.99 Retail price at TheLumberYard for the WHFS24M SKU; prices vary across retailers |
|---|---|
| Brand | Master Flow |
| Released | — |
| Airflow (CFM) | 4,500 CFM |
| Coverage (sq ft) | up to 2,000 sq ft |
| Speed settings | — |
| Drive type | direct_drive |
| Insulated damper | No |
| Remote or app control | No |
| Sound level note | — |
| Motor warranty years | — |
Source: thelumberyard.com (verified 2026-08-16) · corroborated by amazon.com. The requested 'Master Flow WHF3000' is not a real GAF Master Flow model - the brand's direct-drive lineup is built around the WHFS24M (4,500 CFM, 24-inch) and the 30-inch 30BWHFS (6,000 CFM); substituted the verified WHFS24M. Brand, model WHFS24M, 4,500 CFM and $379.99 price re-verified on TheLumberYard 2026-08-16. Coverage (up to ~2,000 sq ft) is the manufacturer's advertised figure for this 4,500-CFM class; number of speeds, warranty term and sound level were not published on any accessible source, so left null rather than guessed. No insulated/R-value damper advertised for this base shutter model.
Is the Master Flow WHFS24M Direct Drive Whole House Fan worth it vs cheaper whole house fans?
Master Flow WHFS24M Direct Drive Whole House Fan against its closest cheaper and pricier whole house fans on the specs that matter — every value sourced. See all 6 ranked
| Product | Price | Airflow (CFM) | Coverage (sq ft) | Drive type | Insulated damper | Remote or app control |
|---|---|---|---|---|---|---|
| Master Flow WHFS24M Direct Drive Whole House Fan this | $379.99 | 4,500 CFM | up to 2,000 sq ft | direct_drive | No | No |
| Tamarack HV1000 Whole House Fan | $709 | 1,000 CFM | under 1,600 sq ft | direct_drive | Yes | No |
Frequently asked questions
How much does the Master Flow WHFS24M Direct Drive Whole House Fan cost?
The Master Flow WHFS24M Direct Drive Whole House Fan has a US price of $379.99 (Retail price at TheLumberYard for the WHFS24M SKU; prices vary across retailers), as of 2026-08-16.
How does the Master Flow WHFS24M Direct Drive Whole House Fan compare on price?
At $380, the Master Flow WHFS24M Direct Drive Whole House Fan is the cheapest of the 6 whole house fans we track, where the median is $812.
What are the Master Flow WHFS24M Direct Drive Whole House Fan's key specs?
Master Flow WHFS24M Direct Drive Whole House Fan (Master Flow): airflow cfm 4,500 CFM, coverage sqft up to 2,000 sq ft, drive type direct_drive, insulated damper No, remote or app control No. Full sourced spec sheet verified 2026-08-16.
Price of record: $379.99 at thelumberyard.com, 2026-08-16. Other retailers may be lower — check the current price:
Check current price at amazon.com As an Amazon Associate we earn from qualifying purchases.Similar whole house fans
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All whole house fans ranked · Open data & methodology · Queryable via MCP
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