CTM CT-6S 6000 BTU Marine Air Conditioner 115V
$1,385.00
CTM CT-6S 6000 BTU Marine Air Conditioner 115V is a self-contained marine AC unit with soft start, 50/60Hz compatibility, a high-velocity turbo blower, and corrosion-resistant materials. It is designed for compact installations and supports compatibility with several major marine A/C control platforms.
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Overview CTM CT-6S 6000 BTU Marine Air Conditioner 115V
CTM CT-6S 6000 BTU Marine Air Conditioner 115V is a self-contained marine air conditioner built for 50/60Hz operation and equipped with a soft start feature to help reduce startup current. This model combines a 6,000 BTU capacity with corrosion-resistant materials including titanium circulating coils, stainless steel bolts, and a stainless steel structural pan with an ABS tray, making it suitable for marine environments where long-term material durability matters.
The CT-6S is also positioned as a drop-in replacement for major marine A/C brands including Dometic, Webasto, Cruisair, Marine Air, and Mermaid Air. The product data also states compatibility with Dometic, Cruisair, Marine Air, and Micro Air controls, thermostats, and cables, which may help simplify replacement planning for existing onboard systems.
Key Features of CTM CT-6S 6000 BTU Marine Air Conditioner 115V
- 6,000 BTU capacity for compact marine air conditioning applications.
- 100-120V, 50-60Hz operation for flexible onboard power compatibility.
- Soft start board uses a 4-part self-optimizing start ramp sequence to reduce startup current.
- Soft start is described as capable of reducing startup current by 65-75% compared with locked-rotor amperage.
- High-velocity rotatable turbo blower supports strong airflow, with rotation of less than 250 degrees.
- Titanium circulating coils are specified for corrosion-resistant seawater cooling performance.
- Stainless steel hardware and structural pan help resist rust in harsh marine conditions.
- ABS tray adds a durable and corrosion-resistant base material.
- Compatible with several major control, thermostat, and cable platforms listed in the product data.
- Backed by a 2-year warranty.
Applications
This model is suited to buyers looking for a compact marine A/C unit for a new installation or a replacement project where existing compatible controls may be retained. It may also be especially useful in setups where startup power demand is an important consideration, such as boats operating from a generator, inverter, or limited utility power.
The soft start feature is also presented as a practical option for owners trying to manage onboard electrical loads more effectively, including situations where multiple appliances may be running at the same time.
Why Choose This Marine Air Conditioner
The CTM CT-6S gives buyers a clearly differentiated version of the CT-6 platform by adding soft start capability while keeping the same 6,000 BTU capacity and 115V, 50/60Hz power range. For customers focused on startup power management, this is the main buying advantage of this exact variant. It also keeps the core material and compatibility features confirmed in the product data, including titanium coils, stainless steel construction points, turbo blower performance, and compatibility with several widely used marine A/C control systems. The included 2-year warranty adds another verified reason to consider this model.
Product Specifications
| Feature | Details |
|---|---|
| Brand | CTM |
| Model | CT-6S |
| Cooling Capacity | 6,000 BTU |
| Voltage | 100-120 V |
| Frequency | 50-60 Hz |
| Refrigerant Type | R410A |
| Current Consumption Cool / Heat | 4.5 A / 5.6 A |
| Starting Amps | 12 A |
| Locked Rotor Amps | 35 A |
| Fuse Max. / Min. | 15 A / 10 A |
| Blower Airflow | 281 CFM |
| Blower Speed | 1980 RPM |
| High-Velocity Blower | Yes |
| Minimum Supply Duct Size | 4 in / 102 mm |
| Seawater Inlet Connection | 5/8 in / 16 mm |
| Suggested Water Flow | 250 GPH |
| Net Weight | 41 lbs / 19 kg |
| Warranty | 2-Year |
What's Included
- CTM CT-6S 6,000 BTU marine air conditioner unit with soft start
Frequently Asked Questions About CTM CT-6S 6000 BTU Marine Air Conditioner 115V
What is the main difference between the CTM CT-6S and the standard CT-6?
The CT-6S version is identified by its soft start feature. According to the provided product data, the soft start board uses a self-optimizing startup sequence designed to reduce startup current. This makes the CT-6S more appealing for installations where power availability during compressor startup is a concern.
How does the soft start feature help onboard power management?
The product information states that the soft start board can reduce startup current by 65-75% compared with a compressor's locked-rotor amperage. It is described as useful for operation on a generator, inverter, or limited utility power where the unit might otherwise not function. The same product data also highlights practical benefits such as running more appliances at the same time.
Can this unit replace other marine A/C brands?
The CT-6S is described as a drop-in replacement for major marine A/C brands including Dometic, Webasto, Cruisair, Marine Air, and Mermaid Air. It is also stated to be compatible with Dometic, Cruisair, Marine Air, and Micro Air controls, thermostats, and cables. Exact fitment dimensions are not provided here, so installation details should still be checked before purchase.
What are the electrical and airflow specifications of this model?
This unit operates on 100-120 V and 50-60 Hz power. It has a listed starting amps value of 12 A, locked rotor amps of 35 A, blower airflow of 281 CFM, and blower speed of 1980 RPM. Those figures help buyers compare this specific variant against other small-capacity marine A/C options.

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