Thermomax Industries - worldwide leadership in solar heating systems and services Solar thermal heating systems

Sizing Guide



The following applications and system sizes are recommended in northern climates:
  • Domestic Hot Water (DHW) : 10 tubes for each resident
  • Radiant Heating : 1 – 3 tubes per 10 sq. ft. heating area. (Radiant heating is recommended to be combined with a summer application, such as a pool or spa.)
  • Swimming Pool : Approximately 3 tubes per 10 sq. ft. of surface of indoor or covered outdoor pool.
  • Spa / Hot Tub : 30 to 60 tubes for up to 400 gallons.