Marine Heating Systems - 01/2019
YACHT SERVICE LAKE MAGGIORE
BOAT HEATING LAKE MAGGIORE
YACHT SERVICE - Boat Heating Lake Maggiore.
Marine technology: nautical heating systems.
YACHT SERVICE - Boat Heating Lake Maggiore
presents some nautical heating systems to facilitate the choice of the most suitable boat heater:
There are several ways to heat a boat during the cold season and to use it accordingly.
The various solutions differ in terms of operation, space requirements and weight of the system, fuel used, potential dangers, complexity of installation, efficiency and effectiveness.
Basically, the size of the boat, the volume to be heated and the climatic factors are of course the most important factors in choosing the right boat heating system. For example, should the boat heater only provide some heat in autumn and spring, or should the boat be used regularly throughout the winter and heated accordingly?
The main fuels used for heating on board are the following:
- Petroleum is comparatively expensive and often leaves an unpleasant smell during combustion.
- Gas is also relatively expensive. Furthermore, if a heating system is used regularly, a sufficient amount of gas must be stored on board, which requires correspondingly large and heavy gas cylinders.
- Gasoline is a potential source of danger on board, due to its extremely low flash point. It should only be used as fuel for heating if a petrol engine is operated on board. Then the existing fuel system is also used for heating.
- Diesel is a relatively harmless fuel and is therefore often used on board. If the ship's engine is operated with diesel, the use of this fuel for the boat heater is recommended.
In addition, heat can of course also be generated inside the boat with electric current. The prerequisite for the operation of electric fan heaters on board is a sufficiently powerful shore connection. However, 16 amperes are not always available at the jetty; if the current is limited to 5 amperes, for example, a maximum heating capacity of 1 kW can be achieved, which is hardly sufficient on cold days.
In any case, for a safe operation on board, only devices with overheating protection and ground safety switch should be used. Units with ceramic heating plates are recommended; these only reach temperatures that do not involve the risk of igniting any flammable material in the vicinity.
Nautical boat heaters specifically offered for use on board differ in their mode of operation and the following types are mainly available:
- The advantages of permanently installed diesel or petroleum stoves are a pleasant radiant heat and operation without electricity consumption.
However, some disadvantages cannot be avoided: an optimal heat distribution on board is not possible, the oxygen required for combustion is taken from the inside of the boat, the installation of a relatively large chimney pipe inside the boat and through the deck to the outside is mandatory, furthermore the system switches off even at low heeling.
- Hot-air blower heaters heat air by means of the combustion of diesel, gas or petrol, which is then conducted in hoses into the rooms to be heated.
These systems are available as pure fresh air systems: the heated air is drawn in from outside, the air inside is constantly renewed and guarantees a comfortable indoor climate. Pure recirculating air systems suck in the air to be heated inside the ship, which increases the efficiency with cold outside temperatures but can lead to a higher air humidity content.
The heating-up phase is relatively fast with warm air boat heaters and the heat distribution on board can be optimized. The operation of these systems is simple.
Problems may arise when laying the warm air pipes, which require relatively large cross-sections. If longer distances have to be laid in larger ships, heat is also lost via insulated air hoses; the efficiency of the system is reduced.
There are several ways to heat a boat during the cold season and to use it accordingly.
The various solutions differ in terms of operation, space requirements and weight of the system, fuel used, potential dangers, complexity of installation, efficiency and effectiveness.
Basically, the size of the boat, the volume to be heated and the climatic factors are of course the most important factors in choosing the right boat heating system. For example, should the boat heater only provide some heat in autumn and spring, or should the boat be used regularly throughout the winter and heated accordingly?
The main fuels used for heating on board are the following:
- Petroleum is comparatively expensive and often leaves an unpleasant smell during combustion.
- Gas is also relatively expensive. Furthermore, if a heating system is used regularly, a sufficient amount of gas must be stored on board, which requires correspondingly large and heavy gas cylinders.
- Gasoline is a potential source of danger on board, due to its extremely low flash point. It should only be used as fuel for heating if a petrol engine is operated on board. Then the existing fuel system is also used for heating.
- Diesel is a relatively harmless fuel and is therefore often used on board. If the ship's engine is operated with diesel, the use of this fuel for the boat heater is recommended.
In addition, heat can of course also be generated inside the boat with electric current. The prerequisite for the operation of electric fan heaters on board is a sufficiently powerful shore connection. However, 16 amperes are not always available at the jetty; if the current is limited to 5 amperes, for example, a maximum heating capacity of 1 kW can be achieved, which is hardly sufficient on cold days.
In any case, for a safe operation on board, only devices with overheating protection and ground safety switch should be used. Units with ceramic heating plates are recommended; these only reach temperatures that do not involve the risk of igniting any flammable material in the vicinity.
Nautical boat heaters specifically offered for use on board differ in their mode of operation and the following types are mainly available:
- The advantages of permanently installed diesel or petroleum stoves are a pleasant radiant heat and operation without electricity consumption.
However, some disadvantages cannot be avoided: an optimal heat distribution on board is not possible, the oxygen required for combustion is taken from the inside of the boat, the installation of a relatively large chimney pipe inside the boat and through the deck to the outside is mandatory, furthermore the system switches off even at low heeling.
- Hot-air blower heaters heat air by means of the combustion of diesel, gas or petrol, which is then conducted in hoses into the rooms to be heated.
These systems are available as pure fresh air systems: the heated air is drawn in from outside, the air inside is constantly renewed and guarantees a comfortable indoor climate. Pure recirculating air systems suck in the air to be heated inside the ship, which increases the efficiency with cold outside temperatures but can lead to a higher air humidity content.
The heating-up phase is relatively fast with warm air boat heaters and the heat distribution on board can be optimized. The operation of these systems is simple.
Problems may arise when laying the warm air pipes, which require relatively large cross-sections. If longer distances have to be laid in larger ships, heat is also lost via insulated air hoses; the efficiency of the system is reduced.
- Hot water systems
operate as diesel-powered fan heaters or with a boiler that burns diesel or oil. Both types heat water, which then releases its energy in the rooms to be heated either via radiators or fan heat exchangers.
Advantages of both variants are an optimal heat distribution on board and easy operation at the same time. On larger ships, heat transport by means of hot water is more efficient than with hot air systems.
Disadvantages are the complex installation, a constant power consumption, the heating of the interior of the boat is slower than with warm air systems, the radiators are relatively large and the weight of the system is about twice as high as with a warm air heating system with comparable performance.
For small to medium sized boats operating on Lake Maggiore, the diesel-powered hot-air fan heater has proven to be the most optimal solution for the average requirements placed on a Lake Maggiore boat heater.
This system offers the best compromise between the properties to be weighed - simple operation, good heat distribution with rapid heating, relatively low weight and low bulkiness, acquisition and installation costs, electricity and fuel consumption.
Advantages of both variants are an optimal heat distribution on board and easy operation at the same time. On larger ships, heat transport by means of hot water is more efficient than with hot air systems.
Disadvantages are the complex installation, a constant power consumption, the heating of the interior of the boat is slower than with warm air systems, the radiators are relatively large and the weight of the system is about twice as high as with a warm air heating system with comparable performance.
For small to medium sized boats operating on Lake Maggiore, the diesel-powered hot-air fan heater has proven to be the most optimal solution for the average requirements placed on a Lake Maggiore boat heater.
This system offers the best compromise between the properties to be weighed - simple operation, good heat distribution with rapid heating, relatively low weight and low bulkiness, acquisition and installation costs, electricity and fuel consumption.
YACHT SERVICE - Boat Heating Lake Maggiore.
Your specialist company for marine technology advises, maintains and installs boat heaters.
YACHT SERVICE - Boat Heating Lake Maggiore
will be pleased to advise you on the planning and installation of an optimal boat heating system for your boat.
Boat Heating Lake Maggiore
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