How do i contact nexiahome customer support? Email - email the Customer Support team directly at [email protected] and an agent will respond as soon as possible. Telephone - call the Customer Support team at 1-877-288-7707, Monday-Friday 9 AM – 8 PM ET and Saturday-Sunday 10 AM – 5 PM ET. All trademarks referenced are the trademarks of their respective owners. © 2020 Trane.What is nexia home intelligence? Take care of your home and the people in it from anywhere with Nexia™ Home Intelligence. Nexia is home automation made simple because now you stay connected everywhere you go. Run the most important systems in your home - thermostats, locks, lights and cameras - from your Windows phone.Why join nexia international? Member firms across the world can provide expert, custom-made solutions focused on maximising profitability, value and growth. Audit. Nexia International member firms provide a range of audit and assurance services designed to identify, manage and respond to all types of risk.Where can i find the numnexia international office? Nexia International - Secretariat 71 Kingsway, London, WC2B 6ST. Tel: +44 (0)20 7436 1114 Fax: +44 (0)20 7436 1536.