ICE & CEDAR

The best cold plunge chillers, compared on every published spec

Five chillers ranked on cooling capacity, temperature range and — decisively — on which manufacturers are willing to publish either.

Last verified · Ice & Cedar editorial

A chiller is the purchase that turns a tub of ice into a cold plunge. It is also the purchase where the specifications are worst. Horsepower is on every listing; cooling capacity in BTU is on three of five, and rated wattage is on none.

That matters because horsepower describes the motor, not the cooling. BTU describes the heat actually removed per hour, which is what determines whether your water is cold tomorrow morning. When a manufacturer publishes BTU it is telling you something checkable. When it publishes only “1 HP” it is telling you about the compressor and letting you infer the rest.

So the ranking below rewards disclosure alongside capability. We have not run any of these units — here is what we do instead.

Quick picks

Ranked on published specifications. Select a row to jump to the full write-up. We have not tested these units — here is exactly what we do instead.

#ProductBest forPrice
1
TURBRO 1 HP 9,300 BTU Cold Plunge Chiller

TURBRO 1 HP 9,300 BTU Cold Plunge Chiller

One of only two chillers here that publishes a BTU figure, which is the number that actually predicts pulldown. That transparency, plus dual filters and an ozone generator, is why it leads.

Best overall
$1,399.00 · View on Amazon

Price as of October 14, 2026. #ad How we’re funded

2
FADHOLE 1 HP 10,000 BTU Cold Plunge Chiller with Heater

FADHOLE 1 HP 10,000 BTU Cold Plunge Chiller with Heater

Publishes both ends of the range — 37°F cold and 107°F hot — so one appliance genuinely covers contrast therapy instead of implying it. It also states a BTU figure, which almost nothing else in this category does.

Best for contrast therapy
$1,299.99 · View on Amazon

Price as of October 14, 2026. #ad How we’re funded

3
Vikua 1/2 HP Ice Bath Water Chiller, 145 Gallon (110V)

Vikua 1/2 HP Ice Bath Water Chiller, 145 Gallon (110V)

The largest compressor here that still names a 110V supply, and the only plug-in that publishes a cooling rate. A half-horse unit on an existing garage outlet is the honest ceiling if you are not paying an electrician.

Best on 110V
$359.99 · View on Amazon

Price as of October 14, 2026. #ad How we’re funded

4
Healcryo 1.5 HP Pro MAX Cold Plunge Chiller

Healcryo 1.5 HP Pro MAX Cold Plunge Chiller

The biggest compressor here and the only one that puts a BTU figure, a noise band and an ingress rating on the same listing. Sized for a tub that beat a smaller unit — and the rare chiller in this survey whose published numbers you can actually plan around.

Best for large tubs
$989.95 · View on Amazon

Price as of October 14, 2026. #ad How we’re funded

5
Fox plunge 1/3 HP Ice Bath Water Chiller (FOX-KEY 300-2)

Fox plunge 1/3 HP Ice Bath Water Chiller (FOX-KEY 300-2)

The cheapest way to stop buying ice, and unusually willing to say where it stops: 41°F, best between 40 and 53 gallons, and never past 79. A 1/3 HP compressor is genuinely small — but this is the rare listing that tells you so itself.

Best budget
#1Best overall

TURBRO 1 HP 9,300 BTU Cold Plunge Chiller

One of only two chillers here that publishes a BTU figure, which is the number that actually predicts pulldown. That transparency, plus dual filters and an ozone generator, is why it leads.

Strengths

  • Publishes 9,300 BTU cooling capacity — only one other listing here states one
  • Dual filters and ozone generator included
  • Insulated pipes, wheels and handles for a garage setup

Trade-offs

  • Most expensive chiller in this comparison
  • Amperage and rated watts are not published
Compressor1 HP
Cooling capacity9,300 BTU
Minimum temperatureNot published
Heats as well as chillsNot published
Maximum volumeNot published
VoltageNot published
AmperageNot published
Rated wattsNot published
Filtration includedYes
WarrantyNot published

Specifications as published by the manufacturer listing, read on July 16, 2026. Blank fields are specs the manufacturer does not publish.

#2Best for contrast therapy

FADHOLE 1 HP 10,000 BTU Cold Plunge Chiller with Heater

Publishes both ends of the range — 37°F cold and 107°F hot — so one appliance genuinely covers contrast therapy instead of implying it. It also states a BTU figure, which almost nothing else in this category does.

Strengths

  • Publishes a 37°F floor AND a 107°F ceiling — the only unit here that puts a number on both halves of contrast therapy
  • States 10,000 BTU cooling capacity — one of only two listings here that publishes one at all
  • Three-stage filtration with an ozone stage and a built-in circulating pump, in the box
  • Publishes 45 dB and a one-year warranty, both stated on the listing rather than left blank

Trade-offs

  • No amperage, rated watts or voltage published, so you cannot confirm the circuit from the listing
  • The published cooling rate — 132 gallons at about 6°F per hour — names no ambient temperature, so it is not checkable
  • 216-gallon ceiling rules it out of the largest tubs
Compressor1 HP
Cooling capacity10,000 BTU
Minimum temperature37°F
Heats as well as chillsYes
Maximum volume216 gallons
VoltageNot published
AmperageNot published
Rated wattsNot published
Filtration includedYes
Warranty12 months

Specifications as published by the manufacturer listing, read on September 3, 2026. Blank fields are specs the manufacturer does not publish.

#3Best on 110V

Vikua 1/2 HP Ice Bath Water Chiller, 145 Gallon (110V)

The largest compressor here that still names a 110V supply, and the only plug-in that publishes a cooling rate. A half-horse unit on an existing garage outlet is the honest ceiling if you are not paying an electrician.

Strengths

  • Publishes 110V/60Hz outright — runs from a standard outlet, no electrician needed
  • States a 1,200W cooling capacity and a 145-gallon ceiling, so you can size it before you buy
  • Publishes a 41°F floor AND a 1.8–3.6°F-per-hour cooling rate — almost nothing in this category states a rate at all
  • Titanium evaporator coil and a stated 35 dB compressor
  • Ships with the pump, filter assembly, remote, hoses and fittings

Trade-offs

  • 1.8–3.6°F per hour is slow by design — on 145 gallons that is an overnight pulldown, not an afternoon one
  • Amperage and rated input watts are not published, so you cannot confirm circuit headroom from the listing (the 1,200W figure is cooling output, not draw)
  • No warranty term published
Compressor1/2 HP
Cooling capacityNot published
Minimum temperature41°F
Heats as well as chillsNot published
Maximum volume145 gallons
Voltage120V
AmperageNot published
Rated wattsNot published
Filtration includedYes
WarrantyNot published

Specifications as published by the manufacturer listing, read on September 29, 2026. Blank fields are specs the manufacturer does not publish.

#4Best for large tubs

Healcryo 1.5 HP Pro MAX Cold Plunge Chiller

The biggest compressor here and the only one that puts a BTU figure, a noise band and an ingress rating on the same listing. Sized for a tub that beat a smaller unit — and the rare chiller in this survey whose published numbers you can actually plan around.

Strengths

  • 1.5 HP and a published 12,000 BTU/h — the largest compressor and the highest stated cooling capacity compared here
  • Published 35-120°F range covers heat as well as cold, with a stated 200-gallon working ceiling
  • Publishes 35-55 dB and an IPX4 outdoor rating — figures the rest of this category leaves blank
  • Self-priming pump, ozone module and a 3-stage 20-micron filter are in the box, not extras

Trade-offs

  • Oversized and overpriced for a standard 100-gallon tub
  • Amperage and rated watts are still not published, so you cannot confirm circuit headroom from the listing
  • No warranty term stated anywhere on the listing
  • The ozone module and app control add failure points a plain chiller does not have
Compressor1.5 HP
Cooling capacity12,000 BTU
Minimum temperature35°F
Heats as well as chillsYes
Maximum volume200 gallons
Voltage120V
AmperageNot published
Rated wattsNot published
Filtration includedYes
WarrantyNot published

Specifications as published by the manufacturer listing, read on September 18, 2026. Blank fields are specs the manufacturer does not publish.

#5Best budget

Fox plunge 1/3 HP Ice Bath Water Chiller (FOX-KEY 300-2)

The cheapest way to stop buying ice, and unusually willing to say where it stops: 41°F, best between 40 and 53 gallons, and never past 79. A 1/3 HP compressor is genuinely small — but this is the rare listing that tells you so itself.

Strengths

  • Lowest-cost chiller compared here
  • Publishes a 41°F floor and a 79-gallon ceiling — most listings here state neither
  • Publishes 110V, so you can confirm it runs off a normal outlet before you buy
  • External filter, pump and hose in the box, with filter media you rinse rather than replace

Trade-offs

  • 1/3 HP is the smallest compressor here — expect long pulldown
  • The listing's own 40–53 gallon sweet spot rules it out of any large tub
  • No BTU, amperage or rated watts published
  • No warranty term stated anywhere on the listing
Compressor1/3 HP
Cooling capacityNot published
Minimum temperature41°F
Heats as well as chillsNot published
Maximum volume79 gallons
Voltage120V
AmperageNot published
Rated wattsNot published
Filtration includedYes
WarrantyNot published

Specifications as published by the manufacturer listing, read on September 18, 2026. Blank fields are specs the manufacturer does not publish.

Match the chiller to the tub, not to the marketing

The most common expensive mistake in this category is pairing a small chiller with a large uninsulated tub and concluding the chiller is broken. It is not broken. It is losing a race against heat gain.

Water volume and insulation are the two variables you control at purchase. A 1/3 HP unit against 88 insulated gallons is a sensible pairing in principle — but check the ceiling on the unit you actually pick, because the Fox plunge here publishes a 79-gallon cap. The same unit against 216 uninsulated gallons in an August garage will never reach your set point, and that cap is the only warning any listing on this page gives you: not one of them publishes pulldown performance at a stated ambient temperature.

If you would rather skip the electrician entirely, the plug-in subset is pulled out separately: the chillers that run on a standard 110V outlet — smaller compressors, but no dedicated circuit and no electrician.

Frequently asked questions

What size chiller do I need for a cold plunge?

It depends on water volume, insulation and ambient temperature, and we are not going to pretend there is a clean formula — because the manufacturers do not publish the data a clean formula would need. The practical shape: 1/3 HP will hold temperature on a small insulated tub but pulls down slowly; 1/2 HP suits a typical 100-gallon setup; 1 HP and above is for large or poorly insulated tubs, or for people who want the water cold on demand rather than on schedule.

Why is BTU a better spec than horsepower?

Horsepower describes the compressor motor. BTU describes how much heat the unit actually removes per hour, which is the thing you care about. Two 1 HP chillers can differ in real cooling capacity. Of the five chillers here, three publish a BTU figure at all — the TURBRO at 9,300, the FADHOLE at 10,000 and the Healcryo at 12,000 — and that willingness to state a number is a large part of why all three rank where they do.

How much does a cold plunge chiller cost to run?

Less than most people expect, because a chiller cycles rather than running flat out — it only works when the water drifts above your set point. The honest answer requires the rated wattage, which none of these five publish. We work the cost through properly on the running-cost page using the EIA national average of 18.31 cents/kWh, and let you substitute your own utility rate, because the national average is wrong for almost everybody.

Do I need a dedicated circuit for a cold plunge chiller?

None of these five publish an amperage figure, so we cannot tell you from the listing — which is itself the finding. The Vikua is explicitly 110V and is designed to plug into an existing outlet. For the others, ask the manufacturer for the nameplate draw before you buy, and have an electrician confirm your circuit has the headroom.

Can a chiller also heat the water?

Two of these do, and both put numbers on it. The FADHOLE publishes 37-107°F; the Healcryo publishes 35-120°F. Either way, one appliance covers both halves of contrast therapy. If you want hot and cold and have no room for a sauna, that is a genuinely useful feature rather than a spec-sheet ornament.

Do I still need ice with a chiller?

No — that is the entire point of buying one. A chiller replaces the ice habit, which is what makes the arithmetic work: bagged ice is a recurring cost forever, and a chiller is a one-time cost plus a modest amount of electricity.

Related

Sources