MRCOOL Olympus 9,000 BTU concealed duct system
MRCOOL Olympus · Single-zone systems · 9,000 BTU
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MRCOOL Olympus 9,000 BTU concealed duct system (O-ES-09-HP-C-230C-O1 / DUCT-09HP-230B-O) is a 9,000 BTU system from MRCOOL Olympus. It has a concealed duct indoor unit, runs on 208/230V, is rated 21.4 SEER2, has an HSPF2 of 12.5, puts out 11,200 BTU/h of heat at 5 °F, uses R-454B refrigerant, and carries a 7-year compressor warranty.
| Category | Single-zone systems |
|---|---|
| Model number | O-ES-09-HP-C-230C-O1 / DUCT-09HP-230B-Odoxrepo.mrcool.com |
| Size ? | 9,000 BTU/hdoxrepo.mrcool.com |
| Indoor unit style ? | Concealed ductdoxrepo.mrcool.com |
| Voltage ? | 208/230Vdoxrepo.mrcool.com |
| Outdoor unit model | O-ES-09-HP-C-230C-O1doxrepo.mrcool.com |
| Indoor unit model | DUCT-09HP-230B-Odoxrepo.mrcool.com |
| SEER2 (cooling efficiency) ? | 21.4energystar.gov |
| EER2 (efficiency at 95 °F) ? | 13.4energystar.gov |
| HSPF2 (heating efficiency) ? | 12.5energystar.gov |
| Rated cooling capacity ? | 9,000 BTU/henergystar.gov |
| Heating capacity at 47 °F ? | 10,000 BTU/henergystar.gov |
| Heating capacity at 17 °F ? | 9,600 BTU/henergystar.gov |
| Heating capacity at 5 °F ? | 11,200 BTU/henergystar.gov |
| COP at 5 °F ? | 1.89energystar.gov |
| Heats down to ? | — |
| Refrigerant ? | R-454Benergystar.gov |
| ENERGY STAR certified ? | yesenergystar.gov |
| ENERGY STAR cold climate ? | yesenergystar.gov |
| Line connection ? | Flaredoxrepo.mrcool.com |
| Wi-Fi control | — |
| Indoor sound level (quietest) | — |
| Outdoor sound level | — |
| Compressor warranty ? | 7 yearsdoxrepo.mrcool.com |
| Parts warranty ? | 5 yearsdoxrepo.mrcool.com |
| Warranty if you install it yourself ? | Keptdoxrepo.mrcool.com |
| Sold as | Single product |
| Availability | Sold by several retailers |
Warranty, and installing it yourself
Self-installing keeps the warranty, by MRCOOL's own terms.
"This warranty applies only to systems that are installed according to the installation instructions, and in accordance with all applicable local, state or province, and federal laws and regulations including but not limited to electrical codes and permits."
From doxrepo.mrcool.com ↗, read 2026-10-14. Terms change, and local law can require a licensed technician for refrigerant or electrical work whatever the warranty says.
- 7 years on the compressor
- 5 years on parts
"The unit comes standard with a five (5) year parts and seven (7) year compressor warranty."
From doxrepo.mrcool.com ↗, read 2026-10-14.
Who makes it
inferred Most likely made by Midea. Its ENERGY STAR certification lists exactly the same figures (capacity at 47, 17 and 5 °F, SEER2, EER2, HSPF2, COP and refrigerant) as a model Midea certifies under its own name. the Midea record ↗
ENERGY STAR record 4428963 (MRCOOL O-ES-09-HP-C-230C-O1 + DUCT-09HP-230B-O) has the same cooling and heating capacities, SEER2, EER2, HSPF2, COP at 5 °F and refrigerant as record 3553300 (MDV MOX330-09HFN10-M1X + MTI-09HWFN10-M1-D), which GD MIDEA AIR-CONDITIONING EQUIPMENT CO., LTD. certifies itself. 25 records from other certifiers share the set.
Also certified with identical figures by AI AIR CONDITIONING, BLUERIDGE, Bosch, Breeze33, CanAir, ComfortStar, Cooper&Hunter, DuraSTAR, ECO-AIR, Innovair, Kaden, MAINLINE, MDV, Midea and 7 more.
Where this came from
confirmed The part number and every spec shown were read from the brand's or a store's own material: a product page, a spec sheet or a product feed, or an archived copy of one. Last verified 2026-10-14. What the labels mean.
The equivalent in other lines
Same category, same size (9k), concealed duct, 208/230V, from other lines; cheapest first, at most two per line. Open any of them side by side with this system, or tick several to compare up to four.
| Logo | Brand | Product | Category | Photo | Price |
|---|---|---|---|---|---|
| DELLA | 9,000 BTU concealed duct system DELLA cassette, duct and floor/ceiling Side by side → | Single-zone systems | $1,129.96 | ||
| Pioneer | 9,000 BTU concealed duct system (RYT-24) Pioneer Quantum Ultra Side by side → | Single-zone systems | $1,363 | ||
| ACiQ | 9,000 BTU concealed duct system ACiQ Standard Side by side → | Single-zone systems | $1,606.99 | ||
| Mitsubishi Electric | 9,000 BTU concealed duct system (PEAD-AA) Mitsubishi Electric SUZ ducted, cassette and floor Side by side → | Single-zone systems | $1,722.75 | ||
| ACiQ | 9,000 BTU concealed duct system ACiQ Extreme Side by side → | Single-zone systems | $1,999.99 | ||
| Gree | 9,000 BTU concealed duct system Gree Vireo Side by side → | Single-zone systems | $2,578 | ||
| Mitsubishi Electric | 9,000 BTU concealed duct system (SEZ-AD) Mitsubishi Electric SUZ ducted, cassette and floor Side by side → | Single-zone systems | $2,715 | ||
| Gree | 9,000 BTU concealed duct system Gree Sapphire Side by side → | Single-zone systems | $3,009 |