The MRCOOL Olympus 48,000 BTU 5-zone heat pump condenser pairs with five ESTAR® wall mount air handlers — one 12,000 BTU and four 9,000 BTU units — each rated up to SEER2 25.5–25.8 for high per-zone efficiency. Inverter-driven operation keeps working reliably in outdoor temperatures as low as 5°F.
Highlights
- Whole-home, multi-room comfort: one outdoor condenser powers five independently controlled zones — one 12,000 BTU and four 9,000 BTU ESTAR® wall mount air handlers — for tailored heating and cooling room by room.
- High per-zone efficiency: the 12,000 BTU unit is rated up to SEER2 25.5, EER2 13, HSPF2-4 10.6; each 9,000 BTU unit is rated up to SEER2 25.8, EER2 14.9, HSPF2-4 12.5.
- Quiet, compact wall units: multiple indoor fan speeds with whisper-quiet operation at 46 dB (12K) and 47 dB (9K).
- Cold-climate reliability: rated to operate in outdoor temperatures as low as 5°F.
- Flexible control: manage each zone with the MRCOOL SmartHVAC app over Wi-Fi, the included remote control, or voice commands via Amazon Alexa and Google Assistant.
Specs & Features
| Condenser Model |
MULTI6-48HP230C-O |
| System Type |
5-Zone Ductless Air Conditioner & Heat Pump |
| Total Condenser Capacity |
48,000 BTU |
| Zones Installed |
5 (condenser supports up to 6) |
| Indoor Unit Configuration |
12,000 + 9,000 + 9,000 + 9,000 + 9,000 BTU, Wall Mount (ESTAR® Series) |
| 12,000 BTU Wall Unit Coverage |
Up to 550 sq. ft. |
| 12,000 BTU Wall Unit SEER2 / EER2 / HSPF2-4 |
Up to 25.5 / 13 / 10.6 |
| 12,000 BTU Wall Unit Indoor Fan Noise |
46 dB |
| 9,000 BTU Wall Unit Coverage |
Up to 400 sq. ft. each |
| 9,000 BTU Wall Unit SEER2 / EER2 / HSPF2-4 |
Up to 25.8 / 14.9 / 12.5 |
| 9,000 BTU Wall Unit Indoor Fan Noise |
47 dB |
| Minimum Outdoor Operating Temperature |
5°F |
| Refrigerant |
R-454B |
| Compressor Warranty |
7 years |
| Parts Warranty |
5 years (with professional installation and registration); indoor units backed by limited lifetime warranty |
| Installation |
Professional installation required |
- Each wall unit includes a handheld remote control and Wi-Fi connectivity via the MRCOOL SmartHVAC app.
- Compatible with Amazon Alexa and Google Assistant voice control.
Details
Avermont Direct is an authorized MRCOOL dealer. This 5-zone Olympus system pairs a single outdoor condenser with five wall mount ESTAR® air handlers, giving each room its own high-efficiency indoor unit and independent temperature control. Backed by a 7-year compressor warranty and a 5-year parts warranty when professionally installed and registered, it suits multi-room homes, additions, or offices looking to add ductless heating and cooling to several spaces at once. Professional HVAC installation is required.
Need Help?
If you have questions about this product before you order, our team is happy to help.
Email: support@avermontdirect.com
Phone: +1 (844) 455-3695
Hours: Monday–Friday, 9AM–5PM
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