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 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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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.
