International Fenestration Partners (IFP) is a collaborative group that provides a suite of strategic building envelope testing, engineering, new product research and development testing services, logistics and intermediary services for international and domestic manufacturers. These services include accredited NFRC thermal simulations, Professional Engineer sealed product engineering analysis, product design and physical testing research & development, onsite testing representation and logistical support services. IFP utilizes its group members collective knowledge, experience and cultivated industry relationships to navigate the ever changing landscape of approved engineering practices, energy efficiency evaluation criteria, hurricane testing and certification standards to provide reliable guidance and consultation to its clients. IFP members are approved to perform product engineering analysis accepted by third party agencies, NFRC and Passive House (PHIUS) thermal simulations and are in good standing with the appropriate governing bodies across the USA.