Author: steveng Many of our customers have their heater permanently installed, and wired into the boat’s breaker panel. If you are not familiar with wiring and electricity, we strongly encourage you to consult a professional to complete the job. Was this answer helpful ? Yes (1) / No (0) Do the heaters go through any kind of cool down cycle when the heat shuts off where the fan will stay running for a couple minutes? Does the heater keep people warm or just equipment?