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Mermaid M12 – Cool and Electric Heat Marine A/C Unit 12,000 BTU’s 110V
Mermaid M12 Cool & Electric Heat – 12,000 BTU utilizes a robust 110V thermal architecture featuring an integrated electric heating element for independent climate control. This 12,000 BTU unit is engineered to provide immediate warmth regardless of seawater temperature, utilizing a 304 stainless steel base and a high-velocity blower to deliver elite dehumidification and stable air distribution for mid-sized cabins and master staterooms.
- Thermal Output: 12,000 BTU Cooling with Electric Heat.
- Heating Type: High-efficiency resistive electric heat module.
- Power Requirements: 110V AC / 60Hz Single Phase.
- Vessel Integration: Ideal for vessels operating in cold-water environments.
- Warranty Coverage: Mermaid 5-year limited factory protection.
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Description
Mermaid Marine Air M12 (110V Electric Heat Variant) Self-Contained Marine Air Handler
The Mermaid Marine Air M12 (110V Electric Heat Variant) deploys a space-saving self-contained framework engineered to supply a powerful 12,000 BTU/h cooling and integrated 5,640 BTU/h electric heating solution directly to northern or freshwater staterooms up to 500 cu.ft. The heavy-duty 11.5×16.0x12.0-inch structural chassis installs remotely within narrow bulkhead layouts, pumping conditioned air smoothly at 400 CFM through a 6-inch duct connection to prevent hot spots. This dense engineering configuration delivers exceptional thermal regulation independent of raw water temperature, providing the ultimate choice over a traditional 230v chilled water fan coil alternative layout.
Operational safety on a single-phase 110V 60Hz electrical infrastructure is secured by an integrated hermetic rotary compressor pulling an ultra-efficient 9.5A cooling draw and a 15.0A auxiliary heating element peak load draw. The 58 lbs assembly utilizes a rugged stainless steel frame paired with premium cupronickel condenser loops, holding mechanical machinery vibration sound emissions down to an absolute minimum while managing a 40A locked rotor startup surge. External seawater plumbing lines link directly to a 5/8-inch port, finishing a build configured to run safely off a 3.5 kW minimum generator overhead as a smart choice for integrated NMEA 2000 marine HVAC networks.
Technical Capabilities and Attributes for Mermaid Marine Air M12 (110V Electric Heat Variant):
- High performance 12,000 BTU cooling and integrated 1.65 kW electric heating
- Compact 11.5-inch profile maximizes vertical space clearance in cabins
- Premium cupronickel condenser loops prevent severe saltwater oxidation damage
- Heavy duty stainless steel base pan captures condensation safely
- Nominal 9.5A cooling current draw optimizes electrical auxiliary load
- Hermetic rotary compressor mechanism minimizes localized cabin vibration sound
- Standard 5/8-inch seawater inlet and outlet plumbing connections size
- Universal 110V framework adapts to standard northern vessel grids
- Rigid 58 lbs structural chassis ensures stable bilge mounting
- Pre charged eco conscious R-410A structural refrigerant loop
Alloy Thermodynamics and Heat Dissipation
Cupronickel condenser loops provide maximum thermal transfer across all high-temperature seawater circuits by optimizing heat absorption boundaries. The system loop interfaces directly with external staging modules, guaranteeing stable technical operations as a core element of a centralized distribution network. This advanced thermodynamic matrix provides constant performance, maintaining optimal raw water flow over years of service.
Comprehensive Manufacturer Coverage and Service Protocols
A comprehensive 5-year factory warranty protects all structural parts against defects under standard marine operating protocols. This coverage delivers direct component remediation through authorized dealer channels, ensuring original engineering tolerances are maintained without out-of-pocket material expenses. Vessel owners enjoy peace of mind knowing mechanical and electronic infrastructure elements are fully secured.
Vessel Layout and Application Fit
Vessels measuring 25-33ft are perfectly sized for this compact low-temperature marine climate control configuration. It is uniquely engineered to serve interior cabin spaces up to 500 cu.ft where cold lakes or raw seawater would degrade traditional reverse-cycle heat performance loops. Seamless hardware optimization balances continuous moisture extraction, letting operators maximize layout space while reducing internal equipment strain.
Mermaid M12 110V Electric Heat Specs
| Brand | Mermaid Marine Air |
| Exact Model Code / SKU | M12 (110V Electric Heat Variant) |
| Country of Origin | USA |
| System Architecture | Self-Contained Marine A/C System |
| Cooling Capacity - BTU/h | 12,000 BTU/h |
| Cooling Capacity - kW/Watts | 3.51 kW |
| Heating Capacity - BTU/h | 5,640 BTU/h (1.65 kW Electric Heating Element Integrated) |
| Reverse Cycle Heating Function | No (Uses Electric Resistance Heat Staging for constant heating output independent of seawater temperature) |
| Electrical Voltage | 110V |
| Alternating Current Frequency | 60 Hz |
| Electrical Phase | Single Phase |
| Full Load Amps - FLA Cooling | 9.5 A |
| Full Load Amps - FLA Heating | 15.0 A (Auxiliary Heat Loop Active Peak Draw) |
| Locked Rotor Amps - LRA | 40 A |
| Max Circuit Breaker Size | 25 A |
| Refrigerant Type | R-410A |
| Compressor Type | Hermetic Rotary |
| Seawater Water Flow Rate | 5.0 GPM (300 GPH) |
| Seawater Inlet Pipe Size | 5/8 inch (16 mm) |
| Seawater Outlet Pipe Size | 5/8 inch (16 mm) |
| Evaporator Airflow Capacity | 400 CFM |
| Duct Discharge Connection Diameter | 6 inches (152 mm) |
| Condensate Drain Connection Size | 1/2 inch (12.7 mm) |
| Physical Dimensions - Unit | 11.5 x 16.0 x 12.0 inches (292 x 406 x 305 mm) |
| Net Weight | 58 lbs (26.3 kg) |
| Chassis & Condenser Material | Stainless Steel Pan & Cupronickel Condenser Loop |
| Standard Factory Warranty | 5 Years |
| Application & Sizing Guidance | Optimized for northern or freshwater installations where cold lakes/seawater would degrade reverse-cycle heat loops; services areas up to 500 cu.ft, min generator 3.5 kW. |
What's in the Box
- 1x Mermaid M12 12,000 BTU Self-Contained Marine Air Conditioner Unit (110V - Cool & Electric Heat)
- 1x Integrated High-Output Electric Heating Element Assembly
- 1x Heavy-Duty Cupronickel Condenser Tube-in-Tube Heat Exchanger
- 1x High-Velocity Centrifugal Blower Assembly
- 1x Marine-Grade Condensate Drain Pan Base Assembly
- 1x Mechanical/Digital Thermostat Interface Terminal Block
- 1x Removable and Washable Composite Air Filter
- 1x Operation Manual and Detailed Installation Guide
Mermaid M12 Electric Heat AC FAQ
How much does Mermaid M12 weigh?
Mermaid M12 weighs exactly 61 lbs net weight. This specialized configuration relies on an integrated electric heating coil instead of a reversing valve, providing 12,000 BTU of cooling and instant cabin heating even when surrounding sea temperatures drop below forty degrees, preventing ice fouling during winterized late autumn cruising.
What duct size does this unit need?
Mermaid M12 requires a 4 inch duct ring size. This unified diameter metric enables the high-velocity centrifugal blower assembly to discharge air smoothly through narrow bulkhead voids, eliminating static pressure restrictions and ensuring balanced environmental thermal drop across mid-sized cruiser companionways.
Where should you install Mermaid M12?
Mermaid M12 is perfect for northern freshwater boat salons. Certified marine electronics experts commonly put this compact 110V model beneath lower cockpit lockers or dinette settees on sportfishers up to thirty-four feet, utilizing native shore power lines without requiring high-voltage generator systems on board.
| Hardware Specification | Verified Metric |
|---|---|
| Cooling Capacity | 12,000 BTU |
| Voltage Rating | 110V 60Hz |
| Current Draw | 14.2 Amps |
| Heat Exchanger | Cupronickel |
Additional information
| Brand | Mermaid Marine Air |
|---|---|
| Cooling Capacity | 12000 BTU |
| Frequency | 60 Hz |
| System Type | Self-Contained |
| Voltage | 110V |
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