Where are you now? set your location by clicking on the map below or typing in your address below.. We have used this ac setup on our last two boats, it works great and is an easy / inexpensive way to add air conditioning. hear more cruising tips and ideas on our sailing & cruising podcast at. Re: homemade boat air conditioning.....window unit? you dont need any kind of box.a shroud is what is commonly used.made of dacron or sunbrella or vinyl.it can be snapped on and storage is a big advantage .what are you gonna do with a big box when it is not being used.i would rather fold up a small piece of canvas.you can do mare of a custom job with covering the majority of the ac unit and.
These homemade air-conditioner designs take the mystery out of cold-air production. some are complicated, some are cheap and simple, some run on alternative energy, and the last one is so out. For small boats a carry on air conditioner that fits over your cabins deck hatch can make life much easier. the unit runs off normal dock marina shore power. the hatch needs to be larger than 12 by 12 inches for the unit to fit. types of refrigerant air conditioning 12 volt marine air conditioning. Image courtesy of west marine. air conditioning for boats has come a long way in recent years. in earlier days there were typically large compressor and condenser units in one section of the boat, (frequently the engine room), with air handlers and the evaporator in cabinetry within the living areas..