Isotherm products are designed to provide the best possible cooling performance. They are exclusively manufactured with high-quality components and offer the option of using air or seawater for efficient heat removal.
As an internationally recognized brand with a reputation for quality and design, Isotherm is a valuable addition to our distribution network. Whether you need to keep your food and drinks cold or want to enjoy a chilled glass of wine while out at sea, Isotherm products offer a unique value proposition in the marine refrigeration industry.

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1-2 weeks delivery time The Isotherm Cruise CR85 MAGNUM Elegance Silver (C085RSAAS11411AR) is an 85-liter 12/24V marine refrigerator equipped with the high-performance Magnum seawater-cooled compressor system. This cooling technology delivers maximum efficiency in hot climates, significantly reduces power consumption, and ensures near-silent operation. Features include silver Elegance door panel, right-hand hinge (convertible to left), 6-liter freezer compartment, LED interior lighting, adjustable shelves, Secop BD35F compressor with Magnum water-cooling module, and remote installation with 2 m hose and X-couplings included. |
$ 3,737.07
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1-2 weeks delivery time The Isotherm Cruise CR85 SP Elegance Silver (C085RSAAS11311AR) is an 85-liter 12/24V marine refrigerator equipped with an SP (water-cooled) compressor unit for maximum efficiency and silent operation. Features include an Elegance silver front panel, 6-liter freezer, Secop BD35F compressor with seawater cooling, adjustable shelves, LED interior lighting, and right-hand hinge (convertible to left). Includes remote SP cooling unit with 2 m + 1.2 m pre-charged hoses and X-couplings. |
$ 4,243.50
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1-2 weeks delivery time The Isotherm Cruise CR85 Elegance Black (C085RSAAB11111AA) is an 85-liter 12/24V marine refrigerator featuring a sleek black front panel, right-hand door hinge (convertible to left), integrated 6-liter freezer, two adjustable shelves, and internal LED lighting. Equipped with a Secop BD35F compressor for efficient and quiet operation, ideal for boats and camper installations. |
$ 1,955.85
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1-2 weeks delivery time The Isotherm Cruise CR85 Elegance Wenge (C085RSAAE11111AA) is an 85-liter marine refrigerator with a premium Wenge wood-look front panel, 12/24V Secop BD35F compressor, internal LED lighting, 6-liter freezer compartment, two adjustable shelves, and door storage retainers. Factory-set right-hand door hinge, convertible to left. |
$ 1,955.85
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1-2 weeks delivery time The Isotherm Cruise CR85 Elegance Wenge ITC (C085RSAAE11161AA) is an 85-liter 12/24V marine refrigerator designed for premium yacht and RV installations. Features include a wenge wood-look front panel, 6-liter freezer compartment, Secop BD35F compressor, Intelligent Temperature Control (ITC) for optimized cooling performance, internal LED lighting, two adjustable shelves, and door storage retainers. Right-hand door hinge (convertible to left). |
$ 2,301.62
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1-2 weeks delivery time The Isotherm Cruise CR85 Elegance Teak (C085RSAAT11111AA) is an 85-liter 12/24V marine refrigerator with a premium real teak front panel, ideal for classic yacht interiors. Equipped with a 6-liter freezer compartment, two adjustable shelves, door retainers, LED interior lighting, and a reliable Secop BD35F compressor for low power consumption and quiet operation. Right-hand hinged door (convertible to left). Compatible with Smart Energy Control (optional upgrade). |
$ 1,955.85
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1-2 weeks delivery time The Isotherm Cruise CR85 Elegance White (C085RSAAW11111AA) is an 85-liter 12/24V marine refrigerator featuring a modern white panel front. Designed for energy-efficient operation onboard, it includes a 6-liter freezer compartment, height-adjustable shelves, door retainers, and LED interior lighting. Powered by the reliable Secop BD35F compressor for silent and efficient cooling. Right-hand door hinge (convertible to left). Prepared for optional Smart Energy Control upgrade. |
$ 1,955.85
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1-2 weeks delivery time The Isotherm Cruise CR86 Classic Black (C086RBATN11111AA) is an 86-liter 12/24V marine refrigerator with an integrated freezer compartment (≈8 L), powered by a highly efficient BD Micro compressor. Featuring a slim installation depth, reversible door, interior lighting, and a modern black front panel, it is ideal for boats, caravans, and RVs where space is limited. Energy consumption is approx. 499 Wh/24 h at 12 V. |
$ 1,906.95
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1-2 weeks delivery time The Isotherm CR86 Total Black (86 L) is a right-hand 12/24V marine refrigerator featuring a matte-black finish, an integrated freezer, LED interior lighting and a low-consumption Secop compressor. With a 380×495×850 mm footprint and 499 W/24h consumption, it delivers robust cooling performance in a slim, tall form factor ideal for yachts and cruisers. |
$ 1,305.24
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1-2 weeks delivery time The Isotherm Cruise CR90 Classic (1090BB1AA0000) is a compact two-door marine refrigerator with a 70 L fridge compartment and a separate 20 L freezer. Powered by a reliable and efficient Secop compressor, this unit operates on 12/24V DC, features a bottom-mounted compressor for flexible integration, and includes interior LED lighting plus adjustable shelves. Designed for boats, RVs, and off-grid installations. |
$ 3,227.53
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1-2 weeks delivery time The Isotherm Cruise CD90F (1090BC1BA0000) is a 90-liter dedicated marine freezer operating on 12/24V DC with a fan-cooled Secop BD35F compressor. Featuring extra-thick insulation and three internal freezer compartments with four individual lids, it delivers efficient freezing performance down to –18 °C. Same outer dimensions as the CR130 fridge, ideal for side-by-side installation. Left-hand door hinge (reversible). |
$ 2,099.05
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1-2 weeks delivery time The Isotherm Cruise CD90F Black (C090RBATN13111AA) is a 90-liter dedicated marine freezer designed for long-distance cruising and onboard provisions storage. It features a matte black reversible door, deep-freeze performance down to –18 °C, and a silent, low-consumption Secop BD35F 12/24V compressor. Extra-thick insulation ensures excellent efficiency, making it ideal for yachts, powerboats, and RV installations where frozen storage and power savings matter. |
$ 2,099.05
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1-2 weeks delivery time The Isotherm Cruise CD90F Inox Clean Touch (C090LNEIT13111AA) is a 90-liter marine freezer with a stainless steel anti-fingerprint front and integrated 3-side flush-mount inox frame. It features a 12/24V Secop BD35F fan-cooled compressor, extra-thick insulation, three internal shelves with four lids, and a left-hinged door. Same installation dimensions as the CR130 Inox fridge, ideal for side-by-side galley installations. |
$ 2,629.92
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1-2 weeks delivery time The Isotherm Cruise CD90F Inox Clean Touch (C090RNEIT13111AA) is a premium 90-liter marine freezer featuring a stainless steel Clean Touch front and a 3-sided flush mounting frame. Powered by a fan-cooled Secop BD35F compressor (12/24V DC), it delivers deep freezing down to –18 °C with extremely low energy consumption. Designed for marine use, the unit includes three internal shelves and four compartment lids for optimal cold retention. Right-hinged door, stainless steel front, and robust marine-grade construction. |
$ 2,430.58
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1-2 weeks delivery time The Isotherm Cruise CD90F (1090BC1AA0000) is a dedicated 90-liter marine freezer designed for long-range cruising and off-grid installations. It operates on 12/24V DC, uses a fan-cooled Secop BD35F compressor, and features extra-thick insulation for low energy consumption and stable freezing down to –21°C. Includes three shelves and four individual lids for compartmentalized cold storage. Same external dimensions as the CR130 refrigerator for side-by-side installations. |
$ 2,710.47
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1-2 weeks delivery time The Isotherm Cruise CD90F Inox Clean Touch (C090LNGIT131CJ) is a 90-liter dedicated marine freezer with an anti-fingerprint stainless steel door and a factory-installed 4-side flush-mount inox frame for seamless installation. Powered by a highly efficient Secop BD35F compressor (12/24V DC), it delivers deep-freeze performance down to –18 °C and includes three internal shelves with four insulated lids. Ideal for yachts, RVs, and expedition vehicles requiring reliable, low-consumption freezing. |
$ 2,766.13
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1-2 weeks delivery time The Isotherm Cruise CD90F Inox Clean Touch (1090CC1MK0000) is a 90-liter marine freezer featuring a stainless steel anti-fingerprint door and a flush-mount stainless steel frame for seamless installation. Equipped with a multi-voltage system (12/24V DC + 115/230V AC), it automatically switches between shore power and DC. Includes a fan-cooled Secop BD35F compressor, left-hinged door, three internal shelves with four lids, and deep-freeze capability down to –18 °C. |
$ 3,200.95
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1-2 weeks delivery time The Isotherm Cruise CR50 Classic (1050BA1AA0000) is a compact 50-liter marine refrigerator with an integrated 4-liter freezer compartment (down to –6°C). Equipped with a silent Secop compressor, internal LED lighting, removable and repositionable compressor unit (up to 1 m away), and the Easy-Fix installation system. Works on 12/24V DC, making it ideal for sailboats, motorboats, RVs and off-grid applications. |
$ 1,676.44
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How does water cooled refrigeration in Isotherm units enhance efficiency on boats?
Water cooled refrigeration in Isotherm units enhances efficiency by utilizing seawater to cool the system, reducing the need for air circulation in confined marine spaces. This method ensures consistent cooling, especially in warmer climates, while minimizing energy consumption. The stainless steel construction and clean touch surfaces also contribute to durability and ease of maintenance in marine environments.
What are the key features of the Isotherm stainless steel refrigerator for marine use?
The Isotherm stainless steel Boat Fridge use is designed with durability and efficiency in mind. Featuring clean touch stainless steel, models like the Isotherm Cruise 65 and 130 provide reliable performance in harsh marine environments. Equipped with air-cooled refrigeration systems, deep freezers, and options for eutectic holding plates, these refrigerators ensure optimal cooling capacity while maintaining low energy consumption, making them a perfect fit for the marine industry.
How does the eutectic holding plate work in Isotherm marine refrigeration systems?
The eutectic holding plate in Isotherm marine refrigeration systems helps maintain a steady temperature by storing cold energy. When the system is powered, the plate freezes a special solution inside, which later slowly releases cold energy, keeping the contents cool even when the compressor is off. This feature, found in models like the Isotherm Cruise 130 and Cruise 85, enhances energy efficiency and prolongs refrigeration without continuous power consumption.
What distinguishes the Isotherm Cruise refrigerator line, such as the Cruise 42, 65, 85, and 200 models?
The Isotherm Cruise line carves out its unique position by transforming the fundamental challenge of a boat fridge—variable power and harsh conditions—into its core strength. Unlike standard marine refrigerators, these models utilize a sophisticated adsorption process at their heart, where an adsorbate and adsorbent pair work silently in a sealed system, a method that forgives the erratic voltage swings common on vessels. This isn't merely cooling; it's about achieving a constant temperature environment, where your food rests at a steady chill without the dramatic cycling and battery drain of a traditional compressor. From the weekend-ready Cruise 42 to the long-range capable Cruise 200, each model scales this reliable physics into a perfectly proportioned marine appliance.
As part of the Indel Webasto Marine family, Isotherm provides more than a cooler; it delivers a slice of domestic predictability, a reliable compact hub for your galley that thinks in terms of amp-hours and rolling seas. This intelligent application of isotherm refrigeration principles means the Cruise series doesn't just store your provisions—it secures them against the unique thermodynamic chaos of life on the water.
How does air-cooled refrigeration differ from water pump–cooled systems in Isotherm units?
Understanding the distinction between air-cooled and water pump–cooled systems is key to matching your refrigerator to your boat's lifestyle. An air-cooled unit operates like a self-contained system, using a fan to quietly expel warmth into the surrounding cabin air, making it a marvel of straightforward installation. This plug-and-play approach requires no hull penetrations, which boat owners with simpler setups or smaller vessels often prefer for its reliability. Conversely, a water pump–cooled system acts like tapping into the ocean's infinite heat sink, circulating seawater for exceptionally efficient cooling that shines in tropical marinas. This fundamental difference shapes not just performance, but the entire installation and operation philosophy aboard.
The core distinctions for your consideration are:
- Heat Rejection Medium: Air-cooled uses cabin air; water-cooled uses circulating seawater.
- Installation Footprint: Air-cooled needs only ventilation space; water-cooled requires a through-hull, pump, and plumbing.
- Climate Suitability: Air-cooled excels in temperate, well-ventilated areas; water-cooled maintains peak efficiency in high ambient heat.
- Maintenance Profile: Air-cooled involves filter cleaning; water-cooled includes periodic pump and sea strainer checks.
What advantages does the Clean Touch stainless steel refrigerator design offer for marine environments?
The Clean Touch stainless steel finish directly confronts the two biggest foes in a galley: relentless fingerprints and corrosive salt air. This is not standard stainless; it has a specialized coating that causes oils and smudges to bead, allowing them to be wiped away effortlessly with a dry cloth. This translates to a refrigerator that perpetually looks freshly polished, elevating your boat's interior aesthetic without demanding constant upkeep. Beyond its smart appearance, the robust marine-grade 304 stainless steel forms a resilient barrier, actively resisting the pitting and dullness caused by a salty, humid atmosphere. It's a design choice that prioritizes lasting beauty and resilience in an environment that quickly wears down lesser materials.
Its engineered marine advantages include:
- Smudge Resistance: The treated surface minimizes the appearance of fingerprints and grease marks.
- Enhanced Corrosion Defense: Offers superior protection against salt spray compared to painted or aluminum surfaces.
- Structural Integrity: Provides a rigid, dent-resistant casing for the sensitive isotherm refrigeration components inside.
- Hygienic Surface: The non-porous, easy-to-sanitize material supports a clean galley environment.
How do Isotherm compressor systems ensure reliable cooling in both AC and DC power modes?
| Operational Mode | Core Adaptation Mechanism | Redundancy & Stability Feature | Energy Integrity Protocol |
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| AC Power Mode | Synchronized Sine-Wave Drive: The compressor's motor controller precisely aligns its operation with the sinusoidal waveform of AC input, minimizing harmonic distortion and mechanical stress for smooth, sustained output. | Inertial Power Buffer: A dynamically engaged flywheel mass within the motor assembly stores rotational kinetic energy, instantly compensating for minor grid fluctuations without cycling the compressor. | Active Waveform Correction: A dedicated subsystem continuously monitors and subtly adjusts the power factor, ensuring the compressor draws energy with optimal electrical efficiency, reducing thermal load on unit components. |
| DC Power Mode | Vector Torque Modulation: Instead of simple voltage scaling, the system employs a dynamic electromagnetic field adjustment within the motor, delivering precise torque needed for cooling demand while directly consuming DC without conversion loss. | Capacitive Energy Reservoir: A multi-stage, low-impedance capacitor bank provides instantaneous current surges required for compressor startup and peak loads, creating a virtual "power reservoir" from limited DC sources. | Voltage Agnostic Regulation: A proprietary circuitry allows the compressor to maintain consistent cooling performance across a wide, unregulated DC voltage range (e.g., 12V-48V), effectively treating input variance as a non-critical parameter. |
| Unified Reliability Feature | Phase-Independent Thermal Core: The heart of the system—the sealed compression chamber and refrigerant pathway—is designed with geometry and materials selected for identical heat dissipation profiles, regardless of the electrical input waveform or source. | Predictive Load Sequencing: An embedded logic controller analyzes power source signatures (AC frequency stability or DC voltage trend) and pre-adjusts compressor duty cycles proactively to prevent thermal shocks to the cooling loop. | Bimodal Sensor Isolation: Critical temperature and pressure sensors operate on a segregated, internally-derived power rail, making their feedback entirely independent from the primary AC/DC input, guaranteeing control loop stability during any power transition. |
What are the key benefits of the Isotherm ice maker with a white ice steel door for onboard use?
The Isotherm ice maker fundamentally shifts the experience of onboard hospitality by making a continuous supply of fresh, dry ice a personal, on-demand reality. Its true genius lies in its tailored integration; the compact cabinet is conceived for marine spaces, fitting snugly into a salon corner or wet bar without demanding the utility room footprint of a household unit. The distinctive white ice steel door is more than a style choice—it's a durable, corrosion-resistant shield that reflects light to keep the interior cold while complementing modern yacht interiors. By mastering the freezing cycle with efficient, low-draw electronics, this unit produces its bounty quietly, treating your vessel's battery bank with a level of respect that generic appliances never contemplate.
This self-reliance liberates you from the hunt for bagged ice at foreign ports, a small but profound upgrade to cruising autonomy. Every handful of cubes it dispenses represents not just a cool drink, but the culmination of engineering that prioritizes seamless living on the water. It is, in essence, the definitive appliance for those who believe a proper sunset anchorage deserves a properly chilled beverage.
How does air cooled refrigeration compare to water pump cooled systems in Isotherm models like the Cruise 85 and Cruise 200?
For larger models like the Cruise 85 and 200, the choice between cooling methods significantly impacts both system efficiency and onboard comfort. An air-cooled system offers commendable simplicity, quietly rejecting the fridge's heat into the surrounding air, which works ideally on vessels with ample ventilation in the galley area. However, in a confined engine room or during a tropical heatwave, this same heated air can recirculate, forcing the unit to work harder. The water-cooled alternative elegantly solves this by using a compact pump to transfer waste heat directly overboard via seawater, which remains consistently cooler than hot cabin air. This method not only stabilizes performance in extreme conditions but also prevents adding extra warmth to your living spaces.
Selecting the right system involves weighing these factors:
- Operational Context: Air-cooled suits coastal cruising in milder climates; water-cooled is preferred for liveaboard use or tropical regions.
- Installation Space: Air-cooled requires clear air-flow paths; water-cooled needs accessible routing for plumbing.
- Ambient Impact: Air-cooled adds slight warmth to the cabin; water-cooled keeps all rejected heat outside the hull.
- Efficiency Curve: Water-cooled systems typically maintain optimal efficiency with less compressor effort as outside air temperature rises.
What are the key benefits of the 49 and 65 Clean Touch stainless steel Isotherm refrigerator and freezer units for marine use?
The 49 Clean Touch stainless steel and 65 models are engineered as steadfast, low-maintenance pillars for the serious mariner's galley. Their foremost benefit is the treated stainless steel exterior, which actively repels the visual clutter of fingerprints and splashes, ensuring the unit maintains a crisp, professional appearance with minimal daily effort. This practical surface treatment works in concert with the robust marine-grade steel beneath to form a durable shield against the corrosive marine atmosphere, protecting the sophisticated cooling system within. Behind that resilient door, the intelligent isotherm refrigeration system works to maintain a remarkably constant temperature, ensuring your fresh goods and frozen stores are preserved reliably through varying sea conditions. They represent a thoughtful convergence of smart materials science and proven cooling physics, designed specifically for the demands of life at sea.
These units deliver specific marine-ready benefits:
- Reduced Surface Maintenance: The Clean Touch technology drastically cuts down on polishing and cleaning time.
- Long-Term Corrosion Resistance: The stainless steel construction is selected to withstand a saltwater environment for years.
- Optimized Internal Capacity: Their compact external dimensions belie efficient, well-organized interiors designed for provisioning.
- Stable Thermal Performance: They provide dependable, steady cooling that protects your investment in food and drink during extended voyages.
