OLMO Sierra 12,000 BTU Indoor Single Zone Wall Mount, 115V, R32 - Ductless Mini Split Air Conditioner Heat Pump
OLMO5-Yr WarrantySKU: OS-12SRW-115VI
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Ships from the nearest of our three US warehouses, leaves in 1–2 business days. Shipping policy
The OLMO Sierra 12,000 BTU indoor wall mount (model OS-12SRW-115VI) provides both cooling and heating with a 12,000 BTU capacity, using R32 refrigerant for efficient performance on 115V power. Designed as a wall mount indoor unit, it pairs with its matching OLMO Sierra OS-SR12-115VO single-zone outdoor condenser for a complete single-zone system.
Key Features
- Wall Mount indoor unit for OLMO Sierra single-zone systems
- 12,000 Btu/h cooling / 12,000 Btu/h heating — inverter compressor, 115V
- 18.0 SEER2 / 10.2 EER2 — current R32-generation ratings
- Smart Connect Wi-Fi included — app control + IR remote
- Self-clean, Turbo/Eco, Sleep mode, auto-swing louver, LED display
Specifications — OS-12SRW-115VI
| Cooling / Heating Capacity | 12,000 / 12,000 Btu/h |
| SEER2 / EER2 | 18.0 / 10.2 |
| Indoor Air Flow (Turbo/Hi/Mid/Lo) | 365 / 394 / 365 / 312 / 253 CFM |
| Indoor Noise Level | 42 / 39 / 37 / 35 dB(A) |
| Refrigerant | R32 |
| Dimensions (W×D×H) | 33.5 × 10.62 × 8.19 in |
| Net / Gross Weight | 18.5 / 23.1 lbs |
Works With
Connects specifically to the matching OLMO Sierra OS-SR12-115VO single-zone outdoor condenser (sold separately) — this Sierra single-zone indoor/outdoor pair is fixed, not interchangeable across a shared multi-zone system. A 16 ft line set ships standard with the paired outdoor unit; choose the 25 ft or 50 ft kit at checkout for longer runs.
Frequently Asked Questions
Is the outdoor unit included with this indoor unit?
No — this listing is the wall mount indoor unit only. It connects specifically to the matching OLMO Sierra OS-SR12-115VO outdoor condenser, which is sold separately.
What size room does it suit?
It is rated at 12,000 Btu/h cooling, a common match for one room or zone. For an exact match, size to your room's square footage and insulation.
Does it heat as well as cool?
Yes — paired with its matching OLMO Sierra outdoor condenser it both cools and heats, with heating rated down to -5°F outdoor ambient.
What refrigerant does it use?
R32, matching the OLMO Sierra outdoor condenser it connects to.
Who should install it?
A licensed HVAC professional — required for refrigerant, electrical, and startup work, and to keep the manufacturer warranty valid.
What warranty does it come with?
OLMO backs it with a 5-year compressor, 2-year parts, and 1-year remote limited warranty (with professional installation and registration at olmo-comfort.com).
Warranty & Support
Covered by OLMO's 5-year compressor / 2-year parts limited warranty. Installation by a licensed HVAC professional and product registration within 60 days are required to keep coverage valid.