| Indoor unit | CH-MP24AHU24V |
| Refrigerant type | R454B |
| System type | Single Zone |
| BTU rated | 24,000 |
| Power source | 115/208/230V,60Hz |
| Dehumidification value (pnt/day) | 4.69 |
| Voltage range (V) | 187-253 |
| Controller | 120N/24V |
| Refrigerant piping - liquid/gas side (inch) | 3/8" 3/4" |
| EER2 | 8.0 |
| SEER2 | 16.4 |
| Net/gross weight (lb) | 105/127 |
| Unit dimensions (WxDxH) | 21.02 x 17.52 x 45.00 |
| Packing dimensions (WxDxH) | 26.57 x 20.87 x 48.62 |
| Operation range - heating | 60~90 |
| Operation range - cooling | 60~90 |
| Minimum circuit ampacity (A) | 4.4/3 |
| Max fuse (A) | 15 |
| Indoor noise level (H/M/L) | 49/46/44/39.5/N\A |
| Indoor air flow | 824.04 / 759.29 / 694.55 / 629.80 |
| ESP range | 0-0.8 In.W.G |
| Drainage pipe diameter (inch) | 3/4" |
| Outdoor unit | CH-ALT24HP24V-230VO |
| Refrigerant type | R454B |
| BTU rated | 24,000 |
| Power source | 115/208/230V,60Hz |
| Dehumidification value (pnt/day) | 4.69 |
| Voltage range (V) | 187-253 |
| Refrigerant piping - liquid/gas side (inch) | 3/8" 3/4" |
| Net/gross weight (lb) | 79.37/85.54 |
| Unit dimensions (WxDxH) | 31.69 x 12.99 x 21.81 |
| Packing dimensions (WxDxH) | 36.02 x 14.57 x 24.21 |
| Operation range - heating | -13~75 |
| Operation range - cooling | -13~122 |
| Minimum circuit ampacity (A) | 20 |
| Max fuse (A) | 25 |
| Max. pipe length (ft) | 164' |
| HSPF2-5 | 6.9 |
| HSPF2-4 | 8.7 |
| Cooling capacity (Min/Max) (BTU/h) | 24,000 (7,300~23500) |
| Refrigerant precharge | 24.6 |
| Outdoor Noise Level | 53 |
| Outdoor Air Flow | 1450 |
| Max height difference between Indoor and Outdoor unit | 82' |
| Heating capacity (Min/Max) (Btu/h) | 23000 (8100~25400) |
| COP | 3.00 |
| Additional Refrigerant Charge 3/8 liquid line | .7 oz/ft |
Overview
This Cooper&Hunter matched system pairs the 24,000 Btu/h CH-ALT24HP24V-230VO ALTO Series heat pump outdoor unit with the CH-MP24AHU24V ALTO Series air handler, delivering reliable heating and cooling for residential and light-commercial installations. Buying the indoor and outdoor units as a matched pair takes the guesswork out of system selection.
The ALTO outdoor unit has a side-discharge design that reduces footprint, plus high-efficiency inverter-driven technology that optimizes energy use. The compact ALTO air handler is well suited for installations where space is limited.
The bundle also includes the electrical and mounting accessories for a typical installation: a fused disconnect, non-metallic A/C whip, dual element fuses, and a condenser pad.
Features
- 24,000 Btu/h heat pump outdoor unit paired with a matching ALTO Series air handler
- Heating and cooling from a single system
- High-efficiency inverter-driven technology
- Side-discharge outdoor unit for reduced footprint and flexible installation
- Compact air handler design for space-limited installations
- Designed for residential and light-commercial applications
- Includes the disconnect, whip, fuses, and pad needed for installation
What's Included
- 24K ALTO Series Outdoor Unit (Heat Pump)
- 24K ALTO Series Air Handler Indoor Unit
- 30A Fused Disconnect
- Non-Metallic A/C Whip
- 25A Dual Element Fuse (Pack of 1) - Qty 2
- Condenser Pad
Specifications
| Indoor unit | CH-MP24AHU24V |
| Refrigerant type | R454B |
| System type | Single Zone |
| BTU rated | 24,000 |
| Power source | 115/208/230V,60Hz |
| Dehumidification value (pnt/day) | 4.69 |
| Voltage range (V) | 187-253 |
| Controller | 120N/24V |
| Refrigerant piping - liquid/gas side (inch) | 3/8" 3/4" |
| EER2 | 8.0 |
| SEER2 | 16.4 |
| Net/gross weight (lb) | 105/127 |
| Unit dimensions (WxDxH) | 21.02 x 17.52 x 45.00 |
| Packing dimensions (WxDxH) | 26.57 x 20.87 x 48.62 |
| Operation range - heating | 60~90 |
| Operation range - cooling | 60~90 |
| Minimum circuit ampacity (A) | 4.4/3 |
| Max fuse (A) | 15 |
| Indoor noise level (H/M/L) | 49/46/44/39.5/N\A |
| Indoor air flow | 824.04 / 759.29 / 694.55 / 629.80 |
| ESP range | 0-0.8 In.W.G |
| Drainage pipe diameter (inch) | 3/4" |
| Outdoor unit | CH-ALT24HP24V-230VO |
| Refrigerant type | R454B |
| BTU rated | 24,000 |
| Power source | 115/208/230V,60Hz |
| Dehumidification value (pnt/day) | 4.69 |
| Voltage range (V) | 187-253 |
| Refrigerant piping - liquid/gas side (inch) | 3/8" 3/4" |
| Net/gross weight (lb) | 79.37/85.54 |
| Unit dimensions (WxDxH) | 31.69 x 12.99 x 21.81 |
| Packing dimensions (WxDxH) | 36.02 x 14.57 x 24.21 |
| Operation range - heating | -13~75 |
| Operation range - cooling | -13~122 |
| Minimum circuit ampacity (A) | 20 |
| Max fuse (A) | 25 |
| Max. pipe length (ft) | 164' |
| HSPF2-5 | 6.9 |
| HSPF2-4 | 8.7 |
| Cooling capacity (Min/Max) (BTU/h) | 24,000 (7,300~23500) |
| Refrigerant precharge | 24.6 |
| Outdoor Noise Level | 53 |
| Outdoor Air Flow | 1450 |
| Max height difference between Indoor and Outdoor unit | 82' |
| Heating capacity (Min/Max) (Btu/h) | 23000 (8100~25400) |
| COP | 3.00 |
| Additional Refrigerant Charge 3/8 liquid line | .7 oz/ft |
Details
Overview
This Cooper&Hunter matched system pairs the 24,000 Btu/h CH-ALT24HP24V-230VO ALTO Series heat pump outdoor unit with the CH-MP24AHU24V ALTO Series air handler, delivering reliable heating and cooling for residential and light-commercial installations. Buying the indoor and outdoor units as a matched pair takes the guesswork out of system selection.
The ALTO outdoor unit has a side-discharge design that reduces footprint, plus high-efficiency inverter-driven technology that optimizes energy use. The compact ALTO air handler is well suited for installations where space is limited.
The bundle also includes the electrical and mounting accessories for a typical installation: a fused disconnect, non-metallic A/C whip, dual element fuses, and a condenser pad.
Features
- 24,000 Btu/h heat pump outdoor unit paired with a matching ALTO Series air handler
- Heating and cooling from a single system
- High-efficiency inverter-driven technology
- Side-discharge outdoor unit for reduced footprint and flexible installation
- Compact air handler design for space-limited installations
- Designed for residential and light-commercial applications
- Includes the disconnect, whip, fuses, and pad needed for installation
What's Included
- 24K ALTO Series Outdoor Unit (Heat Pump)
- 24K ALTO Series Air Handler Indoor Unit
- 30A Fused Disconnect
- Non-Metallic A/C Whip
- 25A Dual Element Fuse (Pack of 1) - Qty 2
- Condenser Pad
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.
