| Refrigerant type | R454B |
| BTU rated | 18,000 |
| Power source | 208-230V, 1Ph, 60Hz |
| Dehumidification value (pnt/day) | 5.29 |
| Voltage range (V) | 187-253 |
| Refrigerant piping - liquid/gas side (inch) | 1/4"/1/2" |
| Net/gross weight (lb) | 72.31/78.48 |
| Unit dimensions (WxDxH) | 31.69 x 12.99 x 21.81 |
| Packing dimensions (WxDxH) | 37.00 x 16.14 x 23.82 |
| Operation range - heating | 5 ~ 75 |
| Operation range - cooling | 5 ~ 122 |
| Minimum circuit ampacity (A) | 15 |
| Max fuse (A) | 20 |
| Max. pipe length (ft) | 98.4 |
| HSPF2-5 | 7.5 |
| HSPF2-4 | 9.6 |
| Cooling capacity (Min/Max) (BTU/h) | 18,000 (4,100~19,000) |
| Refrigerant precharge (ft) | 25 |
| Outdoor Noise Level (dB(A)) | 56 |
| Outdoor Air Flow (CFM) | 1,235.3 |
| Max height difference between Indoor and Outdoor unit (ft) | 65.6 |
| Heating capacity (Min/Max) (Btu/h) | 18,800 (6,200~20,200) |
| COP | 03.06 |
| Additional Refrigerant Charge 1/4 liquid line (oz) | 0.16 |
Overview
Note: Designed to pair one-to-one with the CH-RLS18MIA-230VI wall mount.
The CH-RLS18MIA-230VO is the 18,000 Btu/h heat pump from Cooper&Hunter's Mia Series, a more affordable single-zone mini split option built for a sleek, matte indoor wall mount. The coil is protected by GoldFin anti-corrosive coating, and inverter-driven operation keeps the system energy-efficient while pairing one-to-one with a WiFi-ready indoor wall mount for convenient control.
This 208-230V, 1Ph, 60Hz unit uses R454B refrigerant, delivers 18,000 (4,100~19,000) Btu/h of cooling and 18,800 (6,200~20,200) Btu/h of heating, and is rated for a COP of 3.06. It pairs one-to-one with the matching CH-RLS18MIA-230VI indoor unit.
Features
- LED display
- Intelligent preheating
- Louver memory
- Automatic operation
- Self-diagnosis
- Auto swing
- Goldfin anti-corrosive coating
- Inverter technology
- Smart KIT Ready
- Multiple fan speeds
- Auto-restart function
- Timer
- Sleep mode
What's Included
- C&H Mia NY 18,000 BTU Heat Pump
- All-In-One Line Set Kits (16 ft)
Specifications
| Refrigerant type | R454B |
| BTU rated | 18,000 |
| Power source | 208-230V, 1Ph, 60Hz |
| Dehumidification value (pnt/day) | 5.29 |
| Voltage range (V) | 187-253 |
| Refrigerant piping - liquid/gas side (inch) | 1/4"/1/2" |
| Net/gross weight (lb) | 72.31/78.48 |
| Unit dimensions (WxDxH) | 31.69 x 12.99 x 21.81 |
| Packing dimensions (WxDxH) | 37.00 x 16.14 x 23.82 |
| Operation range - heating | 5 ~ 75 |
| Operation range - cooling | 5 ~ 122 |
| Minimum circuit ampacity (A) | 15 |
| Max fuse (A) | 20 |
| Max. pipe length (ft) | 98.4 |
| HSPF2-5 | 7.5 |
| HSPF2-4 | 9.6 |
| Cooling capacity (Min/Max) (BTU/h) | 18,000 (4,100~19,000) |
| Refrigerant precharge (ft) | 25 |
| Outdoor Noise Level (dB(A)) | 56 |
| Outdoor Air Flow (CFM) | 1,235.3 |
| Max height difference between Indoor and Outdoor unit (ft) | 65.6 |
| Heating capacity (Min/Max) (Btu/h) | 18,800 (6,200~20,200) |
| COP | 03.06 |
| Additional Refrigerant Charge 1/4 liquid line (oz) | 0.16 |
Details
Overview
Note: Designed to pair one-to-one with the CH-RLS18MIA-230VI wall mount.
The CH-RLS18MIA-230VO is the 18,000 Btu/h heat pump from Cooper&Hunter's Mia Series, a more affordable single-zone mini split option built for a sleek, matte indoor wall mount. The coil is protected by GoldFin anti-corrosive coating, and inverter-driven operation keeps the system energy-efficient while pairing one-to-one with a WiFi-ready indoor wall mount for convenient control.
This 208-230V, 1Ph, 60Hz unit uses R454B refrigerant, delivers 18,000 (4,100~19,000) Btu/h of cooling and 18,800 (6,200~20,200) Btu/h of heating, and is rated for a COP of 3.06. It pairs one-to-one with the matching CH-RLS18MIA-230VI indoor unit.
Features
- LED display
- Intelligent preheating
- Louver memory
- Automatic operation
- Self-diagnosis
- Auto swing
- Goldfin anti-corrosive coating
- Inverter technology
- Smart KIT Ready
- Multiple fan speeds
- Auto-restart function
- Timer
- Sleep mode
What's Included
- C&H Mia NY 18,000 BTU Heat Pump
- All-In-One Line Set Kits (16 ft)
Submittals
Compatibility
Frequently Asked Questions
Who do you sell to?
We sell exclusively to licensed HVAC contractors and industry professionals. Professional installation by a licensed technician is recommended to ensure proper installation, system performance, code compliance, and maximum manufacturer warranty coverage.
What brands do you carry?
We specialize in high performance brands like Cooper and Hunter along with ductless and mini split systems that meet California low GWP and energy compliance standards. We also stock trusted installation and service brands including NAVAC, RectorSeal, Fieldpiece, Armbridge, Olmo, and Diversitech.
Do you stock equipment locally?
Yes. We have a ton of equipment and accessories in stock across the Bay Area and Sacramento, available for local pickup or freight shipping. More locations coming soon.
Can I get help sizing a system?
Absolutely. We help contractors with equipment selection, line set sizing, refrigerant matchups, and other technical questions. Reach out via phone or email for support.
Do you offer volume discounts?
Yes. We offer contractor pricing and volume breaks for bulk orders. Reach out directly if you're planning a multi-unit install or need project pricing.
Do you help with warranty claims?
Yes, you will need to first reach out to the Cooper & Hunter Technical Support line 1 800-977-0722 to go through troubleshooting, and if it is determined to be a defective unit, we will work with the manufacturer and you as the customer to source you a replacement unit under warranty. If it is determined to need replacement parts, you as the customers will work with Cooper & Hunter to source replacement parts.
Can I buy online?
Yes. As long as you have a licensed contractor account with us, you can place orders online for delivery or pickup at any of our branch locations.
What makes CoolMan different?
We’re not just a supplier — we’re a partner. We know the ductless business, we understand California codes, and we move fast to help you win jobs and keep clients happy.
