QuietCool · Updated August 2026
QuietCool Trident Pro 5.5 Whole House Fan (QC TRI PRO-5.5): full specs
QuietCool Trident Pro 5.5 Whole House Fan (QC TRI PRO-5.5). Every price and spec below is linked to its source and dated — no guesses.
Source: m.lennoxpros.com verified verify in ledger
The QuietCool Trident Pro 5.5 Whole House Fan (QC TRI PRO-5.5) has no published US price yet. It earns a Gold Deskmark — 95/100 pay-blind standing, #2 of 10 in class.
Verified Aug 16, 2026 · figures linked to their source in the table below
Cheapest whole house fans: Master Flow WHFS24M Direct Drive Whole House Fan — $379.99
Is the QuietCool Trident Pro 5.5 Whole House Fan (QC TRI PRO-5.5) a good buy?
On the spec sheet, its speed settings of 2 is the highest of the 10, and its motor warranty years of 15 is the highest of the 9.
Specifications
| Price (US) | Not published No published consumer MSRP found; sold via HVAC distributors. A dealer-installed price of $2,380-$2,495 exists for the newer 5.5X ECM variant, but that bundles labor and isn't a comparable unit MSRP |
|---|---|
| Brand | QuietCool |
| Released | — |
| Airflow (CFM) | 5,614 / 3,350 CFM (high/low) |
| Coverage (sq ft) | up to 2,800 sq ft |
| Speed settings | 2 |
| Drive type | ducted |
| Insulated damper | Yes |
| Remote or app control | No |
| Sound level note | 51 dBA high / 48 dBA low |
| Motor warranty years | 15 |
Source: m.lennoxpros.com (verified 2026-08-16). Specs re-verified 2026-08-16 on Lennox's HVAC-distributor page for the QC TRI PRO-5.5 PSC-motor (non-X) version: 5,614/3,350 CFM, up to 2,800 sq ft, 51/48 dBA, 2-speed, 15-year warranty. Hangs in a self-contained attic duct system, hence ducted. Price left null - no manufacturer or major-retailer consumer MSRP found for this exact non-X SKU.
Frequently asked questions
How much does the QuietCool Trident Pro 5.5 Whole House Fan (QC TRI PRO-5.5) cost?
The QuietCool Trident Pro 5.5 Whole House Fan (QC TRI PRO-5.5) has no published US price as of 2026-08-16.
What are the QuietCool Trident Pro 5.5 Whole House Fan (QC TRI PRO-5.5)'s key specs?
QuietCool Trident Pro 5.5 Whole House Fan (QC TRI PRO-5.5) (QuietCool): airflow cfm 5,614 / 3,350 CFM (high/low), coverage sqft up to 2,800 sq ft, speed settings 2, drive type ducted, insulated damper Yes. Full sourced spec sheet verified 2026-08-16.
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