HeatSponge / Industrial products group

Steam boiler heat recovery, engineered to last.

From compact SHORTY units to Atlas-class systems for utility boilers, HeatSponge economizers are selected for the real operating conditions—and built with service access in mind.

Explore the product families
Manufacturing since 20052,500+ heat exchangers manufacturedASME “U” & “S” stamps · CRN · EU PED

Three product families

Find the right fit for the boiler.

Boiler size is only a starting point. Available water temperature, exhaust conditions, pressure drop, materials, space, and maintenance access shape the final economizer design.

HeatSponge economizers installed above two industrial steam boilers
01Modular finned-tube economizers

BOSS, MAGNUM, SUPER, TITAN & COLOSSUS

A range of conventional and condensing economizers built around accessible, individually replaceable tubes. Select the geometry, materials, and heat-recovery arrangement to suit the boiler and its operating conditions.

  • Compression-fit tube replacement
  • Rear-door inspection access
  • Single- and multistage configurations
Explore the five models
HeatSponge Atlas economizer product photograph
02Large industrial & utility boilers

ATLAS

Atlas-class economizers bring the HeatSponge replaceable-element approach to very large industrial and utility boilers. Carbon or stainless steel tube materials can be selected for the application.

  • Individually replaceable elements
  • Application-specific sizing
  • Large-boiler heat recovery
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SHORTY economizers installed above two green Sellers steam boilers
03Compact coil-tube economizers

SHORTY

A compact, serviceable option for smaller steam boilers. The replaceable coil design, stainless steel flue-gas-exposed surfaces, and removable rear panel give operators practical access in a tight footprint.

  • Replaceable compression-fit coils
  • Stainless steel gas-side surfaces
  • Designed for boilers under 300 HP
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Start with the application

Let the operating conditions lead.

Share your boiler capacity, exhaust temperature, available heat sink, and installation constraints. We can help identify the right configuration.