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U-factor measures how well a product prevents heat from escaping.
Solar Heat Gain Coefficient (SHGC) measures how well a product blocks heat caused by sunlight.
The largest association of HVACR contractors and the preferred service provider for members in all 50 states and worldwide.
This case study addresses the following: vestibule requirement intent; when a vestibule is required; compliance with the IECC and the IBC; relevant code references.
REScheck implements Chapter 5 of the MEC and IECC which does not have any infiltration requirements.
Glass has been used for thousands of years to allow daylight into our buildings, while providing weather protection.
Problem: Commercial building designers are required to installed vestibules on the primary entrance doors leading from spaces greater than or equal to 3000 square feet in all buildings. Designers ar...
Ducts and air handlers should be placed in conditioned spaces when possible. High temperatures and humidity levels can exist in unconditioned spaces, and ducts and air handlers perform best when plac...
Vestibule training page. Includes agenda and materials to download.
Skylights have been used for over a century to provide interior daylighting. Early skylight systems consisted of plate glass (later wire glass) in metal frames and frequently incorporated both an exte...