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Which Heater Is Best For Winter Storage Of 30 Foot Cruiser Boat On Lift?  

Updated 10/28/2025 | Published 09/30/2025

Question:

I keep my 30’ cruiser on a lift over winter. Would the 800W heater handle it, or should I double up?

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Expert Reply:

John, lift-stored boats lose heat faster than those in the water, so you’re smart to ask. The 800W # XH27FR is the recommended size for 30–35’ boats, but in lift storage, many owners either add a second 400W # XH67FR or 600W # XH77FR heater or go with two 800W units if the compartment is large. You’ll also help it perform by covering vents and outdrives to cut cold airflow.

Do you have access to shore power on your lift, or do you rely on a portable generator?

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Andrew N
John profile picture

John

10/16/2025

I’ve got shore power, but it’s an open dock and gets windy. The bilge has twin engines, so I’m thinking two heaters might make more sense. Have you heard of anyone running a pair of 800W units without issues?

Rick profile picture

Rick

10/28/2025

@John Yeah, John.. I’m doing that exact setup on my 32’ Formula. Two 800W heaters, one on each side of the engines, each on its own 20A breaker. Works perfectly, even in single-digit temps. Just make sure your cords are good and keep the vents covered when you’re not running the boat and it's in storage.

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