Explore Our 12V DC
Marine Air Conditioners
Compact, efficient, and built for battery-powered comfort.
SC5DC
Cooling Capacity (BTU/h)
5000
Heating Capacity (BTU/h)
5500
Power Source
12V DC
Cooling Amp Draw
17-27.9
Heating Amp Draw
20-33.8
Fan Blower (CFM) (Low/Med/High)
220/180/100
Refrigerant
R-134a
Minimum Air Duct Size (in) [mm]
4 [101.6]
Minimum Return Air Grille
Size (sq in) [sq cm]
64 [412.9]
Minimum Supply Air Grille
Size (sq in) [sq mm]
16 [103.23]
Seawater Pipe Inside
Diameter (in) [mm]
5/8 [15.88]
Unit Weight (lbs) [kg]
32 [14.52]
Unit Dimensions
(LxWxH) (in) [mm]
15 x 8 x 10
[381 x 203.2 x 254]
SC7DC
Cooling Capacity (BTU/h)
7000
Heating Capacity (BTU/h)
7200
Power Source
12V DC
Cooling Amp Draw
18-29.5
Heating Amp Draw
21.2-38.3
Fan Blower (CFM) (Low/Med/High)
370/305/210
Refrigerant
R-134a
Minimum Air Duct Size (in) [mm]
4 [101.6]
Minimum Return Air Grille
Size (sq in) [sq cm]
64 [412.9]
Minimum Supply Air Grille
Size (sq in) [sq mm]
16 [103.23]
Seawater Pipe Inside
Diameter (in) [mm]
5/8 [15.88]
Unit Weight (lbs) [kg]
41 [18.6]
Unit Dimensions
(LxWxH) (in) [mm]
16.5 x 10 x 11.5 [419.1 x 254 x 292.1]
SC12DC
Cooling Capacity (BTU/h)
12000
Heating Capacity (BTU/h)
12300
Power Source
12V DC
Cooling Amp Draw
22 - 44
Heating Amp Draw
28 - 48
Fan Blower (CFM) (Low/Med/High)
525/495 /410
Refrigerant
R-134a
Minimum Air Duct Size (in) [mm]
5 [127]
Minimum Return Air Grille
Size (sq in) [sq cm]
80 [516.13]
Minimum Supply Air Grille
Size (sq in) [sq mm]
25 [161.29]
Seawater Pipe Inside
Diameter (in) [mm]
5/8 [15.88]
Unit Weight (lbs) [kg]
50 [22.68]
Unit Dimensions
(LxWxH) (in) [mm]
19.75 x 12 x 12.25
[501.65 x 304.8 x 311.15]
NEXT-GENERATION MARINE COOLING
48V DC MARINE
AIR CONDITIONING
Building on the success of Mabru's 12V systems, our upcoming 48V DC series delivers higher-capacity cooling and extended runtime for larger vessels and hybrid power systems. Designed for efficiency, reliability, and quiet operation, the 48V line represents the next evolution in DC Marine air conditioning.
The first 17,000 BTU prototype debuts at the 2025 Boat Show – bringing more power and performance to the future of battery-based marine comfort.
MABRU 48V DC
Cooling Capacity (BTU/h)
17000
Heating Capacity (BTU/h)
17700
Power Source
48V DC
Cooling Amp Draw
20.1
Heating Amp Draw
20.6
Fan Blower (CFM) (Low/Med/High)
350/450/600
Refrigerant
R-134a
Minimum Air Duct Size (in) [mm]
6 [152.4]
Minimum Return Air Grille
Size (sq in) [sq cm]
100 [645.2]
Minimum Supply Air Grille
Size (sq in) [sq mm]
36 [232.3]
Seawater Pipe Inside
Diameter (in) [mm]
5/8 [15.88]
Unit Weight (lbs) [kg]
69 [31.3]
Unit Dimensions
(LxWxH) (in) [mm]
20 x 13.5 x 14
[508 x 342.9 x 355.6]
Mabru delivers innovative, battery-powered marine and RV air conditioning solutions. Each unit is tested in Florida for proven performance on the water or on the road.
TRUE 12V COMFORT FOR LIFE ON THE WATER
Mabru’s line of DC self-contained marine air conditioners delivers compact, highly efficient cooling solutions for vessels of all sizes. Available in 5,000 BTU, 7,000 BTU, and 12,000 BTU models, these units are engineered for reliability and performance—trusted by boaters and leading boat brands worldwide.
COMPACT, SELF-CONTAINED
DESIGN
Every DC Unit is built as a complete self-contained system, eliminating the need for complicated setups or bulky add-ons. Their compact design makes them easy to integrate into tight spaces without compromising performance, a critical factor for maximizing onboard comfort.
TRUE 12V SYSTEMS SINCE 2019
Mabru has been producing dedicated 12V DC marine air conditioning units since 2019. Over the years, our systems have evolved through continuous innovation, improving cooling capacity, efficiency, and long-term durability. These advancements allow our customers to enjoy dependable comfort while reducing strain on their battery banks.
TESTED & PROVEN PERFORMANCE
Every DC unit undergoes quality testing at our Dania Beach, Florida facility, ensuring it performs to Mabru’s strict specifications before it reaches your vessel. This dedication to quality has made Mabru a preferred choice among top boat builders.
FLORIDA-BASED SUPPORT
When you choose Mabru, you gain more than just equipment – you add a trusted, experienced team. Our Florida-based technical support staff is ready to assist with installation guidance, system design, and long-term service needs, so you can feel confident your system will perform season after season.
Models Available
Mabru DC Units—Engineered for Efficiency, Built for the Water.
KEY FEATURES
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Life time warranty on compressor, 2 years on parts (1 year parts and labor)
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A 20-years rated, 5/8-inch interior diameter, 70/30 copper/nickel alloy condensing coil, other brands offer just 10 years using an inferior 90/10 alloy
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Water and Air flow protection
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Strong ball bearing blowers with high static pressures ideal for multi vent supplies
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By design our units are efficient and compact.
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Large evaporator with copper fins deliver better heat transfer as well as increase longevity in the marine environment
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Larger copper tube sizes for better refrigerant flow
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Digital control with black bezel, Network cable, and remote temperature sensor
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Advanced metering device design not only prevents liquid refrigerant migration back to the compressor but also delivers a much better temperature distribution throughout the coil
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Stainless steel drain pan
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Remote electrical box for easy mounting
