The Vents TwinFresh Comfo RA1-50-2 Ductless ERV - Energy-Efficient Ventilation for Healthier Indoor Air Looking for an energy-efficient way to improve your indoor air quality? The TwinFresh Comfo RA1-50-2 Ductless ERV is one of our top-selling ventilation systems, offering fresh, clean air without the need for costly duct installations. Whether you're working on a new build, a home renovation, or a tiny home, this ductless Energy Recovery Ventilator (ERV) is the perfect solution. Designed for spaces up to 500 sq. ft., the TwinFresh Comfo boasts an impressive 88% heat recovery efficiency. During winter, it captures heat in an inboard ceramic heat exchanger from outgoing indoor air to help warm the fresh air coming in, reducing the strain on your furnace and lowering heating costs. In summer, it pre-cools incoming air, helping your air conditioner run more efficiently and cutting cooling expenses. Not only is the TwinFresh Comfo energy-efficient, but it also operates at an ultra-quiet 0.2 to 0.5 sones (@10ft), ensuring comfort without the noise. The TwinFresh Comfo RA1-50-2 Ductless ERV is the perfect ventilation solution for a healthier, more comfortable home. It also comes with a handy remote control so you can easily adjust modes on the fly. Maximum output of 30CFM in ventilation mode. Minimum Wall thickness of 4 3/4" needed for installation. (maximum 18"). ETL Certified. When two or more TwinFresh units are connected, they work in opposite cycles: one unit brings fresh outdoor air into the room while the other exhausts stale indoor air outside. New to Ductless ERVs? Our blog explains how the TwinFresh Comfo improves indoor air quality and cuts energy costs. Need to reset your filter change indicator? Read click here for more information. Working on a larger build?We work with contractors, developers, and builders across North America. Call us toll-free or email our sales team - we’ll get you great pricing for your project. Features: Up to 30 CFM (ventilation Mode) Designed for rooms up to 500 sq. ft. Rated for outside air temps of max -4F Stainless Steel Outer Exhaust Hood Ductless and hassle free installation Recovery Efficiency up to 88% Reversible DC motors Minimum Wall thickness of 4 3/4" Wireless remote control included Built in MERV 5 air filters (washable) Rated for continuous operation Frost and condensate free 2 Year Warranty