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.

Email us: info@yacht-supply24.com or fill our Feedback form.
You can also fill out the "Ask a question" form on the right or at the bottom of the page.
|
1-2 weeks delivery time The Isotherm SBC00029XA is a 12/24V BD35F lamellar condensing unit designed specifically for VE150 systems, featuring efficient heat dissipation and reliable compressor performance. Equipped with X-couplings for fast installation and supplied with a full instruction manual, it provides dependable cooling for compact and medium marine refrigeration setups. |
$ 915.08
-
+
| |
|
1-2 weeks delivery time The Isotherm SBC00060XA is a 12/24V BD35F condensing unit designed specifically for SP-configured marine refrigeration systems. Equipped with X-couplings for quick installation, it provides reliable compressor performance and efficient cooling output for small and medium onboard fridge or freezer applications. |
$ 961.03
-
+
| |
|
1-2 weeks delivery time The Isotherm SBC00070XA is a 12/24V BD50F high-capacity condensing unit designed for SP marine refrigeration systems. With strong cooling output, factory-mounted X-couplings for fast installation, and reliable compressor performance, it is ideal for medium to large onboard refrigerators and freezers requiring enhanced cooling power. |
$ 1,497.06
-
+
| |
|
1-2 weeks delivery time The Isotherm SBC00150DA is a VE150-specific lamellar condensing unit featuring the BD35F compressor, integrated electrical unit, filter, and valve. Designed for 12/24V marine refrigeration systems, it provides reliable cooling performance and efficient heat dissipation for compact and medium onboard installations. |
$ 1,313.27
-
+
| |
|
1-2 weeks delivery time The Isotherm SBC39302DA is an older-version BD35F/S condensing unit supplied without an electronic control unit and without a fan, equipped with large couplings and a condenser. Designed for compatibility with multiple legacy Isotherm models, it provides a direct-fit replacement solution for systems using the TP39302 configuration. |
$ 926.56
-
+
| |
|
1-2 weeks delivery time The Isotherm SBC39312DA is a BD35F/V condensing unit equipped with an integrated electronic control unit, fan, and filter, offering efficient heat dissipation and stable cooling performance for marine refrigeration systems. Designed as a complete UCDF/V replacement module, it ensures reliable operation and straightforward integration into compact onboard installations. |
$ 1,049.08
-
+
| |
|
1-2 weeks delivery time The Isotherm SBC39313DA is a BD35F/V condensing unit equipped with an electronic control unit, cooling fan, and integrated refrigerant filter. Designed as a UCDF/V + Filter replacement module, it provides stable cooling performance, efficient heat dissipation, and reliable operation for compact and medium marine refrigeration systems. |
$ 1,363.04
-
+
| |
|
1-2 weeks delivery time The Isotherm SBC39314DA condensing unit features a BD35F/V compressor combined with an electronic control unit, refrigerant filter, service valve, and TP39314 couplings. Designed for reliable marine refrigeration performance, it supports efficient heat exchange and stable system operation in compact and medium cooling installations. |
$ 1,428.14
-
+
| |
|
1-2 weeks delivery time The Isotherm SBC39315DA is a lamellar-condensing unit built around the BD50F/V compressor, equipped with an electronic unit, cooling fan, and TP39315 refrigerant filter. Operable on 12/24V DC, it delivers strong cooling efficiency and reliable heat dissipation for mid-size marine refrigeration systems. |
$ 1,267.33
-
+
| |
|
1-2 weeks delivery time The Isotherm SBC39316DA is a lamellar-style condensing unit built around the BD50F/V compressor, equipped with an electronic control unit and TP39316 quick couplings. Designed for 12/24V marine refrigeration systems, it provides efficient heat exchange, stable cooling performance, and simplified installation via preconfigured couplings. |
$ 1,657.86
-
+
| |
|
1-2 weeks delivery time The Isotherm SBC39317DA is a Magnum-class BD50F condensing unit equipped with a seawater pump, large couplings, a black electronic control unit, and a voltage reducer. Designed for high-capacity marine refrigeration, it delivers strong cooling efficiency and improved heat removal through seawater-cooled Magnum technology. |
$ 2,630.37
-
+
| |
|
1-2 weeks delivery time The Isotherm SBC39317DC is a Magnum-class BD50F condensing unit designed for seawater-cooled refrigeration systems, supplied with large-format couplings, a black electronic unit, and a voltage reducer, but without the seawater pump. It provides strong cooling performance for marine installations requiring a high-capacity Magnum condenser while allowing compatibility with an external or existing pump. |
$ 2,863.92
-
+
| |
|
1-2 weeks delivery time The Isotherm SBC39318DA is a Magnum-class BD50F seawater-cooled condensing unit equipped with ASU Blue/Black electronic control, a seawater pump, and TP39318 couplings. Designed for high-demand marine refrigeration, it delivers strong thermal efficiency, fast cooldown, and reliable performance under continuous operation. |
$ 3,151.08
-
+
| |
|
1-2 weeks delivery time The Isotherm SBC39325DA is a lamellar BD50F/V condensing unit equipped with an air-cooled fan condenser and TP39325 couplings, supplied without an electronic control unit. It is designed for mid-size marine refrigeration systems requiring efficient heat dissipation and compatibility with an external BD-series controller. |
$ 1,194.58
-
+
| |
|
1-2 weeks delivery time The Isotherm SBC39326DA is a BD50F ASU condensing unit featuring a fan-assisted condenser, integrated electronic unit, refrigerant filter, and quick couplings. Designed for efficient marine refrigeration, it delivers stable cooling capacity, improved airflow, and reliable performance in medium-sized onboard cooling systems. |
$ 2,029.25
-
+
| |
|
1-2 weeks delivery time The Isotherm SBC39351DA is a BD35F/SP condensing unit supplied with TP39351 couplings and designed for integration with an external electronic control unit. It is intended for SP-type refrigeration systems requiring efficient heat dissipation and reliable BD35F compressor performance in compact marine installations. |
$ 1,294.12
-
+
| |
|
1-2 weeks delivery time The Isotherm SBC39355DA is a BD50F/SP compressor module supplied with pre-installed couplings and designed for integration with an external electronic control unit. It provides high-capacity cooling performance for SP-type marine refrigeration systems requiring strong output and compact installation flexibility. |
$ 1,378.36
-
+
| |
|
1-2 weeks delivery time The Isotherm SBC39365AA is a BD80F condensing unit equipped with a seawater condenser for high-efficiency heat removal. Designed for large marine refrigeration systems, it delivers strong cooling capacity and stable performance in demanding onboard environments. |
$ 1,263.49
-
+
| |
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 |
|---|---|---|---|
| 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.
