Research hub

Cold Plunge Guides

Technical buying and ownership guides for chillers, tubs, electricity, ice, installation and setup.

Chillers

A sizing framework for 100-gallon cold-plunge tubs based on heat load, insulation, ambient temperature and desired cooldown time.

Chillers

How to compare 1/3 HP and 1/2 HP chillers without treating horsepower as a complete performance spec.

Chillers

When the jump to a 1 HP chiller is worth the extra cost and electrical load.

Ownership & Setup

A practical cooldown-time framework for a 25°F temperature drop in a 100-gallon cold plunge.

Ownership & Setup

Estimate monthly electricity cost from power draw, duty cycle and electricity rate.

Ownership & Setup

Compare recurring bagged-ice spending with chiller purchase and electricity costs.

Ownership & Setup

How to plan a cold plunge for high ambient temperatures without relying on marketing claims.

Ownership & Setup

A practical planning checklist before putting a cold plunge in a residential garage.

Ownership & Setup

Calculate water weight, tub weight and user load before placing a plunge on a deck, balcony or elevated floor.