This product has been discontinued.

The manufacturer has discontinued this product permanently. Please see the alternative product below.

18k BTU 22.5 SEER MrCool Olympus Ductless Heat Pump Split System - 2 Zone Wall Mounted - 9k+9k


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  1. Spend over $1000 on heating and air equipment.
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What's included

Need an inexpensive home comfort solution for those uncomfortable rooms that never seem to be the right temperature? Bring life back into those rooms with a dual-zone 18000 BTU Olympus ductless heat pump units from MRCOOL. Offering two wall mounted units at 9000 BTU each, this package is a great choice for your bedrooms, game rooms or office. With only one condenser in this package, you can keep your purchase costs to a minimum as both wall mounted units connect to one system. Included is an insulated lineset specific for these units, which should keep your installation quick and less expensive. Featuring wireless remotes you can conveniently control each wall unit individually, making it simple to create comfort in the zone of your choice.

With a huge variety of options, the Olympus Series is sure to have a solution that will fit your next cooling and heating project perfectly. Whether you have a large project or small one, MRCOOL brings you ductless wall mounted and ceiling mounted solutions, that are designed to blend in with any decor. Ductless split systems don’t require the use of a central air system, so you can literally install them in any room of your home which give you a fantastic option for energy saving. Central air systems cool your entire home whereas ductless split units can be turned up or down in any room they are installed, making them far more efficient. Not using a room? Don’t waste the electricity to heat or cool that room when it’s not required!

Get two-zone comfort plus simple installation with this MRCOOL Olympus Ductless Heat Pump Split System. Anchored by MRCOOL's MULTI2-18HP230V1 condenser, this system is suitable for homes or offices that formerly relied on electric baseboard heaters in winter and window air conditioning units in summer. It delivers 18k BTU at an outstanding 22.5 SEER. Indoors, two-zone airflow is managed by twin O-MULTI09HP-WMAH-230 wall-mounted air handlers. Each one features Sleep Mode, Auto Swing, and Louver Position Memory.

Warranty Terms

For a full description of all warranties applicable to this product as well as individual manufacturer requirements, please review the manufacturer's consumer brochure and/or product warranty documents.  Online warranty registration must be completed within 60 days of installation.  Due to state laws, online registration is not required in California or Quebec. Call for warranty availability on scratch & dent and surplus items.

For additional warranty information, click here.

More Information
UPC 856536005831
AHRI Number 8977707
Bundle Avg Coverage Area 750 - 900 Sq Ft
Bundle Cooling Capacity 1.5 Ton
Bundle Cooling Efficiency 19 SEER and Above
EER 12.5
Heat Pump Efficiency (HSPF) 10.3
Series Olympus
Zones 2
Popular Applications Apartment, Duplex, Hotel Room, Office, Single Family Home
Region Compatibility Nationwide
California Residents see Prop 65 WARNING

O-MULTI09HP-WMAH-230 Specifications:

More Information
Model O-MULTI09HP-WMAH-230
UPC 856536005794
Product Height (in) 11
Configuration Wall Mounted
Product Length (in) 8
Air Flow Direction Horizontal
Product Width (in) 33
Blower Motor Variable Speed
Cooling Capacity Less than 1 Ton
Electrical Phase 1-Phase
Heat Strip Compatibility NA
Line Set Connection Type Flared
Liquid Line Size 1/4 inch
Max Overcurrent Protection 15 amps
Weight (lbs) 20.000000
Series Olympus
Suction Line Size 3/8 inch
System Application Type Ductless Split Systems
Voltage 240
Warranty 5 Year Parts

Shipping & Delivery

Effective and efficient shipping practices are critical for an online business. That’s why we try our best to ship products within 24-36 hours of receiving your order. It’s why we have no hidden fees, send you tracking information as soon as we receive it, and work with our freight carriers to have units delivered as quickly as possible once they leave our warehouse. If you ever have any questions about shipping, call us at 1-270-575-9595. Notice that shipping outside of the continental US require an additional shipping fee.

Shipping Damage & Missing Items

Unpack and inspect ALL packages for damaged or missing items before accepting your shipment. If any damage is found, note this on the delivery receipt. Although Ingrams Water & Air Equipment is NOT responsible for shipping damage, we can assist with filing a claim against the shipping carrier to cover the cost of damages. Any damages or missing items have to be noted on the delivery receipt prior to signing for and accepting your shipment in order to file a claim. Do not let the delivery driver rush you. It is your right to inspect each and every item. If the delivery driver refuses to wait or doesn't allow you to inspect your items prior to signing, please call us immediately at 1-270-575-9595 and our claims department can offer assistance. 

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