CX-24H

CTM Split-System Marine Air Conditioners are the ideal choice for mid-to-large-sized vessels, providing efficient cooling and heating while maximizing space and comfort. With the condensing unit placed in the engine room and air handlers in the living areas, CTM split systems deliver powerful performance while maintaining a quiet onboard environment.

Quiet Operation: The separate compressor placement minimizes noise in living spaces.

Space-Saving Design: Requires less space in cabins, making it ideal for larger vessels.

Efficient Cooling & Heating: The system’s condensing unit (CX) and evaporator unit (EV) work together to maintain a consistent onboard climate.

Built for reliability and designed for vessels up to 80 feet, CTM split-system marine air conditioners ensure seamless temperature control, keeping your journey comfortable in any conditions.

Split System
24,000
BTUs
208-240
Volts
NMEA2000
Soft Start
Compact
Titanium Coil
Cooling
Heating
Quiet
Universal Board
Turbo Blower
Modular
Wi-fi Compatible
Robust Electrical Box
Stainless Steel Base
NMEA2000
ABS Rust Free Base
Reusable Air Filter
Soft Start
User Manual
Download
Spec Sheet
Download
Easy Start Wiring
Download
U-Board Specs
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Unit Drawings
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3D USDZ
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3D GLB
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3D FBX
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Specifications
Capacity (BTU)
24,000
Voltage (V)
208-240
Cycle (Hz) / Phase (Ph)
50-60 / 1
Input: Cool (A)
7.6
Input: Heat (A)
9
Fuse Max/Min (A)
24 / 16
Locked Rotator Amps (A)
50
Seawater Inlet Connection (in/mm)
5/8 / 9.52
Seawater Outlet Connection (in/mm)
5/8 / 9.52
Refrigerant Type
R410A
Net Weight (lbs/kg)
60 / 27
Width (in/mm)
9.8 / 250
Height (in/mm)
15.4 / 392
Depth (in/mm)
13.5 / 344
Duct Ring Size (in/mm)
Min. Return Air Grille (sq in /sq cm)
Min. Supply Air Grille (sq in /sq cm)

NMEA 2000 compatible

This NMEA 2000 compatible unit delivers seamless integration with Garmin Empirbus, OneHelm, and Raymarine YachtSense. Control multiple HVAC systems directly from your vessel’s MFD and digital switching systems — no extra displays required.

Soft Start

This unit is compatible with Micro-Air EasyStart soft starters, reducing starting amps by up to 75%. Enjoy reliable performance with continuous runtime diagnostics that monitor for stalls, overcurrent, miswiring, short cycles, and more.

Installation Diagram

Explore our installation diagram to understand how CTM Marine units integrate into your vessel.

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CX-24H

CX-24H

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Compatible models below
Brand
OEM Part Number
Description
We’re actively working on updating compatible part numbers for non-CTM marine models. But you can find compatible units in our new search tool below:

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Compatible With Most Thermostats

Easy Touch

Elite II

Passport I/O

SMXIR