Decide how the tub will be used
Base the decision on your model's instructions, your absence plans and who can monitor the tub. Do not assume that most local owners choose the same option. An operating spa needs ongoing attention even when nobody is soaking.
If you intend to keep it running, arrange someone who knows the normal display and can respond to a loss of heat or circulation. If you intend to close it, obtain the exact winterization procedure and arrange the work before freezing conditions make the job harder.
What a winterization quote should explain
Ask the technician to identify the make and model and explain the scope in writing. Different layouts and accessories need different handling; a brief generic checklist is not a substitute for the manufacturer's procedure.
- Which plumbing, pumps, heater and accessories are included?
- How will completion be checked and recorded?
- What cover and site checks are included?
- Does the quote include the spring restart?
- What warranty or liability exclusions apply?
Do not add antifreeze or other products based on a general article. The product, if any, and the method must be appropriate for the exact system. Keep a copy of the service record for whoever later restarts the spa.
Prepare for closing day
Provide clear access, the owner manual, and information about known leaks or faults. Confirm the permitted discharge route and ask what preparation you should complete. Tell the technician about added equipment or modifications; those may not appear in the original manual.
What if it has already lost heat?
A failed spa in freezing weather needs prompt professional advice. Do not wait for a routine appointment simply because a closure is planned. Avoid improvised heaters, boiling water or repeated electrical resets. Describe the current water temperature, outdoor conditions and when circulation last worked.
Can I leave an empty tub outside?
Only treat it as prepared for winter after the model-specific closing work is complete. Visible emptiness does not establish that the remaining equipment and plumbing are protected. Ask the service company what checks are still needed during the closure.
Sources and further reading
Sources checked November 11, 2026. Manufacturer examples are not universal procedures; use the current manual for your model.