There should be at least some breeze, and what’s the point of being on the water if you aren’t outdoors? Thus, our operating assumption is that you need only air-conditioning for sleeping, about 12 hours through the evening and night. If you need air-conditioning all day, while out on the water and away from the dock, perhaps sailing isn’t for you. Of course, air-conditioning all-day is a pipe dream for most sailboats without the addition of a generator. This approach permits operation of one system at times when the exterior temperature does not require the total installed cooling capacity. In some circumstances, it may be desirable to provide the required cooling with two separate air conditioning systems, one providing two-thirds of the total capacity. Run ScheduleĪre you planning to run air-conditioning all day, or only at night so you can sleep more comfortably? The reduction of relative humidity that is so important to human comfort is best achieved from an A/C system that is operating almost continuously. Air conditioning certainly can run off batteries and solar panels and wind generators, but practicality comes down to the energy balance how much energy are we generating, how much are we consuming, and how do we store enough to last through the night? A 5,000 BTU window unit fits neatly in the anchor locker of a Morgan 33.
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#Practical air navigation install
Can I just install bigger batteries and a few more solar panels? Well, yes and no. But there are 12-volt air conditioners available that I can run right off the battery. Thus, it is more or less an engineering after-thought with regards to the energy balance of an automobile.Ī boat, on the other hand, unless tied to a dock or running a generator, has only the sun and wind to provide energy, and the area to be cooled is larger.
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#Practical air navigation windows
It’s actually less than the increased drag caused by driving with the windows rolled down. Second, the air-conditioning load for the car is a tiny parasitic load compared to the power required to drive the car down the road. My car has air conditioning when I’m running down the street so why can’t my boat? First, your car only has air conditioning when the engine is running, which works out fine because we only need air conditioning when the engine is running.