Best Cold Plunge Chillers Under $1,500

A budget chiller for a small tub indoors, where 42 F is cold enough.

A cheap 1/2 HP kit for a large inflatable tub where 42 F is enough.

A basic small chiller for a one-person tub of up to about 80 gallons.

A low-cost way to keep a small one-person tub cold with ozone included.

A basic 1/2 HP kit with pump and filter. Others at this price add ozone and wifi.

A cheap, quiet 1/2 HP kit for a large inflatable tub where 41 F is cold enough.

A simple small chiller for owners of Ice Pod tubs who want cold water without ice.

A cold-reaching 1/2 HP unit with app control for a covered patio tub. Add your own filter.

An entry-level chiller for a small one-person tub, best kept indoors.

A plain 1/2 HP kit for tubs up to about 130 gallons.

A plain indoor chiller for a ported one-person tub.

A compact all-in-one small chiller for a one-person tub.

A plain, proven chiller for someone happy to plumb their own pump and filter. Most buyers will find an all-in-one kit easier.

An outdoor-rated small chiller for a one-person tub in moderate heat. Its price is closer to 1 HP units from other makers.

A quiet 1 HP hot and cold chiller, if you can live without a stated warranty.

A strong 1 HP pick for a big tub or a hot climate, with ozone and app control included. Check the warranty with the seller before buying.

The cheapest way here to a big cooling number, for large tubs in warm places.

A low-priced 1 HP chiller for a big tub, without the sanitizer or app of pricier units.

A no-frills 1 HP kit that fits almost any tub, including a home bathtub.

A hot and cold 1 HP unit with ozone and wifi, but other 1 HP units cool more for less.

A bare 1 HP chiller for a DIY build with your own pump and filter.