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LEAFF Training
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LEAFF Training

This series of courses, available to all, will provide information and instruction as NFRC moves towards implementing the Linear Energy Analysis For Fenestration (LEAFF) trendline methodology, formerly known as Residential Component-Based Calculation (RCBC), for energy performance ratings. Information on the new Condensation Index (CI), which also be presented. All NFRC Certified Simulators and IRC personnel IAs are required to attend.

 Export to Your Calendar 2/24/2020 to 5/29/2020
When: 1:00 PM EST
Where: Webinar
United States
Contact: Robin Merrifield
240-821-9513


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The National Fenestration Rating Council is pleased to announce the launch of a new process that will greatly reduce the time needed for simulating, helping get innovative new windows, doors, and skylights to market faster.

The new methodology leverages the simulation process NFRC has used during 30 years of producing fair, accurate, and credible ratings that measure the energy efficiency of fenestration products. 

So how does it work? The Linear Energy Analysis For Fenestration (LEAFF) trendline methodology uses product line characteristics to determine trendlines that replace the need to run numerous simulations separately that determine the product’s performance with different options (such as glazing and frame types).

All NFRC Certified Simulators, regardless of company’s affiliation, and all Individual Responsible Charge (IRC) personnel from NFRC licensed Inspection Agencies are required to attend all phases of training and successfully pass exams as necessary, to maintain their status. NFRC highly recommends all individual’s performing or reviewing simulations from an accredited simulation laboratory or licensed inspection agency attends the training.

more Calendar

2/24/2020 » 5/29/2020
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