chillersPenguin Chillers
1/2 HP Water Chiller
The standard indoor-use 1/2 HP Penguin chiller, rated at 5,000 BTU/h.
Operating range37–100°F with water
Chiller research
Shop cold plunge chillers
Compare cooling capacity and complete-system requirements, with missing pump or sanitation components called out.
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Before you choose
A quick way to narrow the list
Tub volume alone is not enough. Ambient temperature, insulation, target water temperature, sun exposure, pump flow, plumbing restriction, and use frequency all change the load.
Buying guides
Plan the setup before it arrives.
Electrical service, floor loading, drainage, and maintenance can matter as much as the product itself.
Cold plunge with chiller vs. without: which costs less to own?
Compare ice, electricity, water care, setup friction, repairability, space, noise, and use frequency.
Read the guidePortable vs. hard-shell cold plunge: what lasts?
Compare construction, insulation, entry, user fit, storage, service, filled weight, and daily setup.
Read the guideCan a cold plunge work in an apartment or small space?
Evaluate structure, landlord rules, leaks, drainage, doors, noise, ventilation, humidity, and service access.
Read the guideHow do you keep cold-plunge water clean?
Understand circulation, filtration, sanitizer, bather load, covers, water testing, filter access, and drain intervals.
Read the guide7
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