Every guide we've published.

Best Cold Plunge Tubs Under $1,500 (2026)

What $1,500 buys in a cold plunge tub in 2026, with or without a chiller: the specs that matter and the cheap tubs that disappoint in year two.

Inflatable vs Hard-Shell Cold Plunge: What You Give Up

Inflatable vs hard-shell cold plunge, spec by spec: where they really differ, and why insulation, not price, should decide which you buy.

How to Keep Cold Plunge Water Clean: Filter, Sanitize, Test

Cold plunge water care that works: the filter, sanitizer and testing routine that stretches a drain from weekly to every 6-8 weeks.

Best Cold Plunge Tub 2026: Buy the Tub and Chiller Apart

Cold plunge tubs priced by class: inflatables $79-399, barrels $1,035-1,575, all-in-ones $5,490+. Why a tub plus a separate chiller wins.

Best Cold Plunge Under $1,000 (With a Real Chiller)

No insulated hard-shell tub sells under $1,000, but a complete chilled cold plunge does. The under-$1,000 build, priced line by line.

Best Cold Plunge Under $500: Cheapest Setups That Work

Under $500, a 5-layer inflatable at $79-399 is the buy. Ice runs $156-260 a year at weekly use and $1,095-1,825 daily. Here is the crossover.

Chest Freezer Cold Plunge: Size, Cost and Risks

A 7 cu ft chest freezer holds 52 gallons, since one cubic foot is 7.48. The volume math, the refrigerant lines in the walls, and when it's worth it.

Stock Tank Cold Plunge: Size, Cost and Chiller Math

A stock tank cold plunge, priced: the tank is the cheapest part. At 15-20 BTU per gallon, the big cheap tank costs about $1,300 more to cool.

Indoor Cold Plunge for Apartments and Small Spaces

An upright plunge loads ~200 lb per square foot, far past the 30-40 psf most floors are built for. What fits an apartment, and what to skip.

Cold Plunge Temperature: How Cold Should It Be?

The ideal cold plunge temperature as an equipment answer: 45-55°F. What each degree costs in BTU, why 40°F costs more, and which chillers get there.

Cold Plunge Chiller Specs: The One Number That Matters

Most 'my plunge won't get cold' complaints trace to one chiller spec the marketing buries. How to read a cold plunge chiller spec sheet.

Best Cold Plunge Chillers of 2026, Ranked by Use

The best cold plunge chiller depends on how you plunge. Ranked by use case: solo daily, two users, budget, hot garages and the lowest electric bill.

What Size Chiller for a Cold Plunge? The BTU Math

What size chiller your cold plunge needs: gallons x 15-20 BTU. The math step by step, a tub-size lookup table, and when to round up.

Cold Plunge Electricity Cost: The Real Monthly Bill

How much electricity a cold plunge uses: watts x hours x your rate, published wattage for every chiller class, 2026 rates, and five ways to cut it.

1/2 HP vs 1 HP Chiller for an Ice Bath (and 1/4 HP)

HP rates the motor, not the cold. Published BTU, watts and amps for 1/4, 1/2 and 1 HP chillers, the pulldown math, and who needs the big one.

Best Budget Ice Bath Chiller Under $700 (2026)

Dedicated plunge chillers start near $1,950. Under $700 you're buying aquarium-class units. The verified prices, and who the budget pick fits.

Cold Plunge Chiller and Filter Setup for 8-Week Drains

The cold plunge filter stack that stretches drains to 8 weeks: a 20-micron cartridge, inline ozone, a peroxide residual and a rinse-first habit, priced.

DIY Cold Plunge Chiller vs Purpose-Built: Full Cost

Assembled, a 1/2 HP DIY cold plunge chiller returns 3.4-4.3 BTU per dollar against 3.8 for a purpose-built unit. Where DIY actually wins.

PlungeChill by the Numbers: The BTU They Don't Publish

PlungeChill is a paid partner held to our spec test anyway: their own cooling rates work out to 1,200-1,700 BTU/hr. That fits 60-80 gallons, not 120.

Infrared vs Traditional Sauna: Barrel or Infrared?

Infrared vs traditional barrel sauna: different heat, different space, very different running costs. How to choose the one you'll actually use.

Best Infrared Sauna for Home Under $3,000 (2026)

The best home infrared saunas under $3,000: 1-person, 2-person, budget and full-spectrum picks, with the EMF and heater numbers that decide it.

Sauna and Cold Plunge Setup at Home: Contrast Therapy

A sauna and cold plunge setup at home: what to buy first, how to plan space and electrical, and the contrast therapy mistakes that cost thousands.