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Free hot tub calculator
Score a hot tub before you buy it
Use this when you are looking at a dealer quote, Home Depot listing, Wayfair listing, Costco spa, or any model we have not reviewed yet. Pick a 1-10 rating for each factor. If you do not know a factor, leave it at 5.
Rate the hot tub
Do not overthink it. A 5 means average or unknown. A 10 means unusually strong. A 1 means a clear problem.
How to choose a rating
Clear downside, poor reviews, vague specs, short warranty, hard install, or high cost for what you get.
Normal for the price, not enough data, or no obvious advantage. Use 5 when you are unsure.
Better than similar tubs, clear proof, strong warranty, easy ownership, or unusually good value.