OS-ARM12SW-230VI - OLMO Cooling and Heating Solutions

The OLMO Multi Sierra Altima Series OS‑ARM12SW‑230VI is a premium 12000 BTU wall‑mounted indoor unit engineered for ultra‑quiet comfort and high‑efficiency performance. Designed for modern multi‑zone applications, this unit integrates seamlessly with advanced inverter technology, delivering smooth, energy‑efficient cooling and heating for year‑round comfort. With its whisper‑quiet operation and compact design, the OS‑ARM012SW‑230VI is ideal for bedrooms, living rooms, offices, and high‑end residential spaces. When paired with the OLMO Multi Sierra Outdoor Unit, it becomes part of a powerful multi‑zone system, giving homeowners and installers the flexibility to condition multiple rooms with one reliable solution. Built for performance, efficiency, and compatibility, the Multi Sierra Altima Series is the perfect choice for projects requiring dependable climate control and modern inverter technology.