Isotherm develops marine refrigeration equipment for boats, yachts, and other mobile applications. Its range includes refrigerators, freezers, built-in cooling units, travel boxes, wine coolers, and related components designed for reliable operation in compact onboard installations.
Isotherm refrigeration systems are designed with a strong focus on efficient cooling and low electrical consumption, which is especially important on vessels with limited battery capacity. Depending on the installation, heat can be removed through air-cooled or water-cooled configurations, allowing the system to be adapted to different onboard layouts and operating conditions.
At Yacht-Supply24.com, we supply Isotherm marine refrigeration equipment, accessories, and replacement parts and can assist with product selection, compatibility checks, and identification of suitable components for existing installations.
Send us your request if you need help selecting the correct Isotherm refrigerator, cooling unit, or replacement part.
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1-2 weeks delivery time The Isotherm BI series offers compact, top-loading built-in marine refrigerators designed for limited-space installations, featuring SECOP last-generation compressors for maximum cooling efficiency at low power consumption. Models range from 16 to 40 liters, with lid options (hinged or removable), digital or mechanical thermostats, and 12/24 V DC compatibility. Dimensions vary across the range—BI16 (384×240×557 mm), BI30 (449×724×240 mm), BI36 (438×556 + 125×240 mm), and BI40 at 40 liters with 405×420×400 + 160 mm housing—making the series suitable for sailboats, powerboats, and custom marine galley installations.
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$ 1,270.49
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1-2 weeks delivery time The Isotherm BI Series top-loading built-in refrigerator/freezers are designed for marine installations requiring large internal volume, efficient cooling, and durable construction. Equipped with SECOP 12/24 V universal compressors, plastic internal bottom sections, and removable baskets, the BI41 (41 L), BI75 (75 L), and BI92 (95 L) provide optimized storage and access from above. Electrical consumption ranges from 222 to 360 W/24h, while the housing dimensions—BI41 (342×451 + 161×500 mm), BI75 (430×470 +160×650 mm), and BI92 (485×455 +160×805 mm)—allow integration into a wide range of yacht and powerboat galley layouts.
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$ 1,443.43
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1-2 weeks delivery time The Isotherm CR-EL Cruise Elegance Silver series features premium 12/24 V marine refrigerators equipped with the Danfoss BD35F hermetic compressor, ensuring automatic voltage adaptation, low noise, and high energy efficiency. The models include an integrated ventilation system, reversible silver door, blue LED interior lighting, upgraded freezer compartment with steel door, internal EasyFix mounting system, and a secure door lock. Available in 42, 49, 65, 85, and 130 liters, with dimensions from 380×452×525 mm (CR42El) to 528×555×746 mm (CR130El) and daily consumption from 265 to 418 W/24h, these units offer refined aesthetics and superior performance for modern yachts and powerboats.
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$ 1,314.89
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1-2 weeks delivery time The Isotherm CR Cruise Total Black line includes premium marine refrigerators ranging from 42 to 226 liters, featuring a corrosion-resistant matte black finish and integrated freezer compartments (except the Drink version). Designed for yachts and powerboats, the series offers Secop low-consumption 12/24 V compressors, LED interior lighting, magnetic door locking, food-safe rounded-corner interiors, and robust construction for marine environments. Model dimensions range from compact 380×455×525 mm (CR42) to full-height 595×522×1452 mm (CR226), with daily consumption between 278 and 648 W/24h, making the Total Black series suitable for any vessel size.
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$ 1,144.96
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1-2 weeks delivery time Isotherm Cruise Inox Clean Touch marine refrigerators combine stainless-steel durability with advanced Clean Touch anti-fingerprint coating, offering superior resistance to corrosion and easy maintenance. Designed for flush recess installation with an integrated flange, the models include snap-lock doors, ergonomic handles, LED interior lighting, and quiet 12/24 V SECOP compressors. Capacities range from 42 to 130 liters, with daily consumption between 265 and 418 W/24h and dimensions from 400×500/385×525 mm (CR42 SS CT) to 545×555×750 mm (CR130 SS CT). Units are compatible with Smart Energy Control (50.932.20) and feature improved door insulation and a stainless-steel freezer compartment.
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$ 1,808.11
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1-2 weeks delivery time The Isotherm DR Series marine drawer refrigerators provide compact and efficient cooling with stainless steel rails, painted stainless-steel doors (silver, black, or white), and a user-friendly digital display. Powered by a silent and efficient BD 1.4F Secop 12/24 V compressor, these models feature the Easy Fix installation system for quick mounting and smooth drawer operation. The series includes the 16 L DR16 and 30 L DR30 models, with identical outer dimensions for DR30 versions (260×440×700 mm) and low daily consumption of 160–270 W/24h, making them ideal for tight spaces on yachts and powerboats.
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$ 1,159.51
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1-2 weeks delivery time The Isotherm Cruise CR36 is a compact 36-liter marine refrigerator featuring a flip-down front door, ideal for installations where top or side access is limited. Equipped with a universal-voltage Secop 12/24 V compressor, the CR36 provides low-noise, efficient cooling with a consumption range of 0.6–2.7 A/h. Available in a standard finish or stainless-steel version (CR36 SS), the unit is designed for horizontal or vertical installation and features dimensions of 440×675×250 mm (standard) and 440×715×255 mm (SS model). An optional stainless-steel finishing frame for the 4th side is available for the CR36 SS version. |
$ 1,727.39
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1-2 weeks delivery time The Isotherm DR Inox Drawer Clean Touch series includes high-end stainless-steel marine drawer refrigerators ranging from 42 to 130 liters, equipped with universal-voltage Secop 12/24 V compressors for reliable and silent cooling. The Clean Touch versions feature an anti-fingerprint stainless-steel finish, stainless rails, ergonomic drawer movement, and optional 4th-side stainless-steel finishing frames depending on the model. Dimensions vary from compact 399×511×519 mm (DR42) to large-capacity 544×557×744 mm (DR130), with energy consumption levels between 0.55–5 A/h depending on the model, making them suitable for galley, cockpit, and cabin installations where drawer access is preferred.
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$ 2,245.76
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1-2 weeks delivery time The Isotherm Cruise CR40 Cubic (1040BB1AC0000) is a compact 40-liter marine refrigerator/freezer designed for exceptional installation flexibility, supporting both front-opening and top-loading configurations. Powered by a reliable 12/24V Secop BD35F compressor that can be remotely mounted up to 1.3 meters, the CR40 offers efficient cooling with a low energy draw of 0.186 kWh/24h (front-opening) or 0.786 kWh/24h (top-loading). |
$ 1,416.57
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1-2 weeks delivery time The Isotherm Inox DR-F series consists of high-end No Frost stainless-steel marine drawer freezers equipped with universal-voltage SECOP 12/24 V compressors for silent, efficient operation. Designed with a durable stainless-steel front drawer and mechanical stop, they offer fast access, stable temperatures, and easy installation in galleys, cockpits, and onboard furniture modules. Available as 55 L and 70 L units—including a version with an integrated icemaker—the DR-F freezers feature robust drawer rails, no-frost automatic defrosting (DR55 model), and optional 4th-side stainless finishing frames depending on the version.
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$ 3,605.95
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1-2 weeks delivery time The Isotherm Divino The One (7N01TG9UP0000) is a compact 12V integrated thermoelectric wine cooler designed to keep a single bottle of wine or champagne chilled during serving. Installed flush into a countertop, only the stainless-steel crown remains visible. The unit activates by touch, features an electronically self-regulated thermostat, and offers 27 selectable LED illumination colors. With a weight of just 1.96 kg and dimensions 300 × 152 × Ø160 mm, it is ideal for yachts, RVs, and premium bar installations requiring minimal power consumption (60W, 12V DC). |
$ 1,833.86
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1-2 weeks delivery time The Isotherm Divino The Eight (7N08AA1CJ0000) is a compact built-in 12/24V DC wine cooler designed specifically for yachts and motorhomes. It stores up to 8 bottles, features a double-chamber sealed transparent glass door, stainless-steel 3-side flush mounting flange, and a secure locking mechanism to prevent accidental opening in rough seas. Powered by a BD35F compressor using R134a refrigerant, it consumes only 60W and offers customizable temperature settings for red and white wines. Dimensions 571 × 510 × 485 mm, weight 26 kg, optional AC/DC Power Pack available for 110/230V use. |
$ 2,217.80
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1-2 weeks delivery time The Isotherm Divino 23 (7N23AA5AJ0000) is a built-in 220V/50Hz compressor wine cooler engineered for secure onboard storage of up to 23 wine or champagne bottles. It features a metal cabinet with a glass door, three wooden shelves, interior LED lighting, and a double locking system to prevent door opening in rough sea conditions. Designed for furniture integration, the door aligns flush without ventilation grilles. Power consumption is 112W, and dimensions are 455 × 560 × 550 mm (door size: 588 × 460 mm), weight 36 kg. |
$ 4,121.25
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1-2 weeks delivery time The Isotherm Divino 35 (7N35AA5AJ0000) is a 220V/50Hz built-in compressor wine cooler designed for onboard storage of up to 35 bottles. It features a right swing glass door, five wooden shelves, LED interior lighting, and a double locking system preventing door opening during navigation. With a durable metal cabinet and flush-mount design (no ventilation grilles), it integrates seamlessly into yacht furniture. Power consumption: 112W, dimensions 680 × 560 × 550 mm, door size 715 × 588 mm, weight 38 kg. |
$ 4,543.86
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1-2 weeks delivery time The Isotherm TB13 (2013BG1000001) is a 13-liter lightweight 12/24V compressor fridge/freezer using the Secop BD1.4F micro-compressor, with a temperature range from +10°C to –18°C, compact 360 × 225 × 535 mm dimensions, and 150 W/24h consumption. |
$ 1,016.35
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1-2 weeks delivery time The Isotherm TB15 Travel Box is a compact 15L portable compressor fridge/freezer operating on 12/24V, equipped with the high-efficiency Secop BD Micro 1.4F compressor. It delivers temperatures from 0°F to 50°F, includes LED lighting, battery protection, MAX/ECO modes and features a lightweight injection-molded design for easy transport on boats, vehicles and outdoor trips. |
$ 801.48
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1-2 weeks delivery time The Isotherm TB18 (2018BD1000000) is a portable 18-liter 12/24V compressor fridge/freezer using the Secop BD1.4F micro-compressor, featuring electronic thermostat control, LED interior light, 405 × 235 × 565 mm dimensions, 9 kg weight, and 150 W/24h consumption. |
$ 828.40
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1-2 weeks delivery time The Isotherm TB31.2 is a 31-liter portable fridge/freezer featuring a highly efficient Secop compressor, AC/DC operation (12/24V DC and 110–230V AC), ECO/MAX modes, LED lighting and an electronic thermostat. Compact at 381 × 356 × 585 mm and only 18.6 kg, it offers reliable cooling down to 0°F with low power consumption and three-level battery protection. |
$ 684.47
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What is Isotherm known for in marine refrigeration?
Isotherm is known for refrigeration systems designed specifically for boats and yachts, with a focus on compact installation, efficient cooling, and low electrical consumption. Its equipment is used in onboard galleys, cabins, and other spaces where reliable refrigeration must operate from limited vessel power resources.
Why is energy efficiency important in Isotherm marine refrigeration systems?
Energy efficiency is especially important on boats because refrigeration may operate for long periods while drawing power from the onboard battery bank. Isotherm systems are designed to provide effective cooling while limiting unnecessary electrical consumption, helping reduce the load on batteries, chargers, and other power-generation equipment.
What is the difference between air-cooled and water-cooled Isotherm refrigeration?
Air-cooled systems remove heat through airflow around the condenser and are generally simpler to install, provided that sufficient ventilation is available. Water-cooled systems use seawater to remove heat and can be useful where ambient air temperatures are high or ventilation around the refrigeration unit is limited.
The most suitable solution depends on the vessel layout, available ventilation, operating climate, installation complexity, and cooling requirements.
How can I choose the correct Isotherm refrigerator or cooling system for my boat?
Selection should be based on available installation space, required internal capacity, operating voltage, ventilation, power availability, and how the vessel is normally used. Door opening direction, mounting dimensions, compressor location, and cooling method should also be considered when replacing an existing refrigerator or planning a new installation.
Can Isotherm refrigeration equipment be used for both new installations and replacements?
Yes. Isotherm equipment can be used in new vessel installations as well as for replacement and upgrade projects. When replacing an existing unit, it is important to compare cabinet dimensions, electrical supply, ventilation requirements, mounting arrangement, and any remote compressor or cooling components before selecting a new model.
How can I identify the correct Isotherm replacement part or component?
The best starting point is the refrigerator or cooling unit model, product number, voltage, and details of the existing installation. Photographs, dimensions, compressor information, and the part number of the original component can also help identify the correct replacement.
Compatibility should always be confirmed for components such as thermostats, compressors, control modules, fans, pumps, and other refrigeration parts before ordering.