Tri Zone

Tri-Zone Mini Split: Three Rooms, One Efficient System

OLMO Tri Zone Mini Split system

An OLMO Tri-Zone system is a ductless HVAC solution that connects three separate indoor units (air handlers) to a single outdoor condensing unit. This configuration allows for independent temperature control, providing customized heating or cooling for up to three distinct rooms or zones.

The primary benefit is zoned control , meaning you only condition the specific rooms you are using, leading to greater energy savings compared to a central HVAC system. Tri-Zone systems offer a streamlined installation with only one outdoor unit, minimizing the visual impact outside your property while maximizing comfort inside.

Why Choose OLMO Tri Zone System

  • High SEER2 Efficiency & Inverter Technology: OLMO Tri-Zone systems utilize advanced inverter compressors to modulate output, achieving high efficiency ratings and significantly lowering your utility bills.
  • Ultimate Zoning Flexibility: Easily mix and match different BTU-sized indoor units (9K, 12K, 18K, etc.) to perfectly meet the load requirements of three diverse rooms, such as a large living area, a master bedroom, and a home office.
  • Quiet Operation: Our indoor units run silently, ensuring stable and comfortable temperatures throughout your three zones without any disruptive operational noise.
  • Trusted US-Based Support: Every system is backed by OLMO's reliable warranty and dedicated U.S. customer service for fast support and ultimate peace of mind.

Frequently Asked Questions

Find answers to common questions about our products and services.

A: No, the single outdoor condenser unit dictates the overall operating mode. All three indoor units must be set to the same mode at the same time: either heating, cooling, or fan-only.

  • A: You must perform a separate BTU calculation for each of your three rooms (indoor units) based on square footage, insulation, and sun exposure. The sum of the three required indoor BTUs must be supported by the total capacity of the outdoor condenser.

A: A Tri-Zone system uses only one outdoor unit and is generally more efficient when all three zones are in use. The main benefit of Tri-Zone is the reduced number of outdoor units (one vs. three) and streamlined installation.

A: Yes, OLMO Tri-Zone systems often allow you to mix different styles of indoor units, such as wall-mounted, ceiling cassettes, or concealed ducts, depending on the architecture and needs of each of your three zones.
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