| Refrigerant type | R32 |
| System type | Single |
| BTU rated | 18,000 |
| Power source | 208-230V, 1Ph, 60Hz |
| Dehumidification value (pnt/day) | 2.15 |
| Voltage range (V) | 187-253 |
| Controller | NO |
| Refrigerant piping - liquid/gas side (inch) | 3/8" 3/4" |
| EER2 | 11.7 |
| SEER2 | 14.3 |
| Net/gross weight (lb) | 87/98 |
| Unit dimensions (WxDxH) | 20-1/2"×15"×36-1/2" |
| Packing dimensions (WxDxH) | 23-3/7"×17-1/2"×39-1/2" |
| Operation range - cooling | 57~118 |
| Minimum circuit ampacity (A) | 4 |
| Max fuse (A) | 15 |
| Indoor noise level (H/M/L) | 51 |
| Indoor air flow | 630 |
| ESP range | 0-0.6 |
| Drainage pipe diameter (inch) | 3/4" |
| Filter dimensions (WxD) (inch) | 67x136 |
Overview
As part of the Cooper&Hunter Split System, the CH-UC18AHUWM is a 18,000 BTU wall-mounted air handler designed for compact, efficient HVAC installations. Using eco-friendly R32 refrigerant, this AHU is ideal for small closet spaces where maximizing usable area is essential.
Built with a 24V controller, the CH-UC18AHUWM is fully compatible with third-party outdoor units that operate with R32 refrigerant and 24V communication. It also supports universal 24V thermostats, offering flexible integration for a wide range of system setups.
For long-lasting performance, this unit features Gold Fin coil protection, ensuring superior durability and resistance to corrosion.
Features
- 18,000 BTU wall-mounted air handler
- Compact design ideal for closet installations
- Eco-friendly R32 refrigerant
- Built-in 24V controller for easy integration
- Compatible with third-party R32 / 24V outdoor units
- Supports universal 24V thermostats
- Gold Fin coil protection for corrosion resistance
What’s Included
- Wall-mounted air handler unit
Specifications
| Refrigerant type | R32 |
| System type | Single |
| BTU rated | 18,000 |
| Power source | 208-230V, 1Ph, 60Hz |
| Dehumidification value (pnt/day) | 2.15 |
| Voltage range (V) | 187-253 |
| Controller | NO |
| Refrigerant piping - liquid/gas side (inch) | 3/8" 3/4" |
| EER2 | 11.7 |
| SEER2 | 14.3 |
| Net/gross weight (lb) | 87/98 |
| Unit dimensions (WxDxH) | 20-1/2"×15"×36-1/2" |
| Packing dimensions (WxDxH) | 23-3/7"×17-1/2"×39-1/2" |
| Operation range - cooling | 57~118 |
| Minimum circuit ampacity (A) | 4 |
| Max fuse (A) | 15 |
| Indoor noise level (H/M/L) | 51 |
| Indoor air flow | 630 |
| ESP range | 0-0.6 |
| Drainage pipe diameter (inch) | 3/4" |
| Filter dimensions (WxD) (inch) | 67x136 |
Details
Overview
As part of the Cooper&Hunter Split System, the CH-UC18AHUWM is a 18,000 BTU wall-mounted air handler designed for compact, efficient HVAC installations. Using eco-friendly R32 refrigerant, this AHU is ideal for small closet spaces where maximizing usable area is essential.
Built with a 24V controller, the CH-UC18AHUWM is fully compatible with third-party outdoor units that operate with R32 refrigerant and 24V communication. It also supports universal 24V thermostats, offering flexible integration for a wide range of system setups.
For long-lasting performance, this unit features Gold Fin coil protection, ensuring superior durability and resistance to corrosion.
Features
- 18,000 BTU wall-mounted air handler
- Compact design ideal for closet installations
- Eco-friendly R32 refrigerant
- Built-in 24V controller for easy integration
- Compatible with third-party R32 / 24V outdoor units
- Supports universal 24V thermostats
- Gold Fin coil protection for corrosion resistance
What’s Included
- Wall-mounted air handler unit
Submittals
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.
