


One of the differences between an Boat Air Conditioner and an
Evaporative Cooler are the methods used to produce cool air. An
Evaporative Cooler has cool air that feels like an ocean breeze.
A Boat Air Conditioner has dry cool air like you feel in an aircraft
cabin. People in dry climates generally prefer the feel of an
Evaporative Cooler and those in humid areas generally choose a
Boat Air Conditioner.
A Portable Boat Air Conditioner or Evaporative Cooler are preferred
if installing an after market Boat Air Conditioner is not economically
feasible. Also if repairing a factory installed Auto Air Conditioner
is not possible, then consideration should be made towards an
Alternative. A Portable Cooler can be moved from a boat to a vehicle
and will provide relief while providing less strain on the engine
and, of course, money. The 12-Volt MightyKool Models are the hands
down the most popular cooler with boaters because of the low energy
they consume from your batteries.
1. Will a portable system cool my boat cabin?
Seems like a logical question, however Portable Cooling
Systems are typically designed for Spot Cooling, not area cooling,
even though they may cool the cabin at some point.


One gallon (3.75 liters) of water will last around two
to three hours in the daytime and four to five hours during the
night when used for evaporative cooling in dry desert climates.
The "Ice Water" models are capable of using up to 20
pounds (9.0 kilograms) of ice per hour during the day and around
13 pounds (5.9 kilograms) at night.
A fully charged deep-cycle 105-amp hour battery will last from
50 to 80 hours using a MW1 MightyKool or 25 to 35 hours
using one of the "Ice Water" MK3 or M400 MightyKool
Models (without charging).
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The M400 & MK3 Provide; Dual Air Conditioning using Ice or Water All Dual Systems automatically dispose of the excess condensation collected |
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I = Inches C = Centimeters |
Weight |
Capacity |
12v Low |
12v Med. |
12v High |
|
White |
MW1 |
C=24.4 x 20.3 x 18.5 |
1.12 kg |
|
10.8 watts |
15.6 watts |
19.2 watts |
|
White |
M400 |
C=47 x 45.7 x 64.8 |
8.2 kg |
52.9 liters |
33.0 watts |
41.4 watts |
50.4 watts |
|
White |
MK3 |
C=24.4 x 20.3 x 18.5 |
2.27 kg |
|
27.6 watts |
33.6 watts |
40.8 watts |