Ventilation Fan Belts, Synchronous and Cogged
Last Updated: 09/30/19
A ventilation fan belt is a belt, driven by the crankshaft of an engine, that turns a fan for drawing cooling air through the radiator. Synchronous drive belts are designed to reduce both belt slippage and frictional losses. Cogged V-belts are designed to reduce the bending resistance as the belt travels around the sheave (pulley) and have less frictional losses than standard V-belts.
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GSA's Green Proving Ground
Life Cycle Cost Savings
Life Cycle Costing (LCC) aims to quantify the financial impact of a product over its entire life cycle to assist consumers in making decisions that will save them money over the long term.
GSA's Proving Ground found that the use of cogged V-belts and synchronous-drive fan belts are a low-investment way to reduce the inefficiencies in ventilation fans caused by bel slippage and bending resistance. GPG found an energy savings of 2 - 20% for synchronous belts, with about half that savings for cogged fan belts. Payback is between 1 and 4 years, depending on the type of fan belt.
Guiding Principles
Contributes to meeting The Guiding Principles for Sustainable Federal Buildings
Additional Guidance
GSA's Green Proving Ground recommends replacing V-belts with synchronous drive belts on all variable air volume (VAV) fans. On constant volume (CV) fans, belts should be replaced at end-of-life with cogged V-belts.
Potential LEED Contributions
This product may contribute* toward points in multiple LEED v4 rating systems, including areas required for LEED v4 building certification. Primarily, the credits will apply in the Building Design and Construction (BD+C) and Building Operations and Maintenance (O+M) categories. This includes the specialty areas of: New Construction and Major Renovation, Existing Buildings, Core & Shell, Schools, Retail, Data Centers, Warehouse and Distribution Centers, Hospitality, and Healthcare. Specific credits are:
- Energy & Atmosphere - Optimize Energy Performance
* It is important to note that no products, individually or collectively, can guarantee a specific number of points for LEED Category credit. Each credit will need to be matched to the product by a certified professional.