Flair Systems

Flair Systems manufactures smart HVAC control devices and operates the Flair hvacOS software platform for optimized home temperature, comfort, and airflow management. The company product lineup includes Smart Vents that automatically direct airflow for balanced comfort in individual rooms, Puck sensors for temperature and occupancy monitoring, Bridge for system connectivity, and Smart Vent Covers for retrofit installations. Flair offers solutions for smart vent zoning and air balancing for central HVAC systems, ductless controls for mini splits and window ACs, staged heating with integrated multi-stage coordination, and smart heating for boilers and electric baseboards. The platform is compatible with major smart thermostats including ecobee, Nest, Honeywell Home, Carrier, and Daikin, and integrates with Amazon Alexa, Google Home, Control4, and Home Assistant. Flair serves both homeowners and professionals through its Flair Pro Program, offering pro-only products, rebates, and training. The company has served tens of thousands of customers with DIY and professional installation options. Founded in 2014 and headquartered in San Francisco, California, Flair has raised approximately $8.8 million in Series B funding from investors including Susquehanna Growth Equity, Shell Ventures, 3M, Lowercarbon Capital, SOSV, HAX, and Active Impact Investments.