Specification History
| SWS Version | Created | Specification ID | Title | Specification | Objective | Supporting Materials | Rationale | Status |
|---|---|---|---|---|---|---|---|---|
| Version 2025 | 09/24/2023 - 17:13 | 6.0201.1a | Fan selection | Select a fan that: rated as no more than 2.0 sones at maximum speed has an efficacy of 4 cfm/watt or more moves at least 50 cfm after installation, ducting, and termination is complete |
Select efficient and quiet equipment |
Concur with suggested change, but suggest changing the word “produces” to “rated at”. Sones can’t be measure in the field so it is the laboratory rating that is of concern. | Red Line | |
| Version 2020 | 08/14/2020 - 14:27 | 6.0201.1a | Fan selection | Select a fan that: produces no more than 2.0 sones at maximum speed has an efficacy of 4 cfm/watt or more moves at least 50 cfm after installation, ducting, and termination is complete |
Select efficient and quiet equipment |
Black Line | ||
| Version 2020 | 08/14/2020 - 14:27 | 6.0201.1a | Fan selection | Select a fan that: produces no more than 2.0 sones at maximum speed has an efficacy of 4 cfm/watt or more moves at least 50 cfm after installation, ducting, and termination is complete |
Select efficient and quiet equipment |
Black Line |