Which Heater Is Best For Winter Storage Of 30 Foot Cruiser Boat On Lift?
Published 09/30/2025 >
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Question:
I keep my 30’ cruiser on a lift over winter. Would the 800W heater handle it, or should I double up?
asked by: John
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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Xtreme Heaters RV Basement and Boat Bilge Heater with Quick-Release Bracket - Large - 800 Watts
- RV Heaters
- Electric Heater
- 110 Volts
- Winterization
- 5th Wheel
- Motorhome
- Travel Trailer
- Xtreme Heaters
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