eTech Heat Recovery engineers and implements thermal energy reclamation systems across residential, commercial, and industrial applications from its headquarters in North America. The company specializes in waste heat boilers, economizers, and exhaust gas heat exchangers that capture process heat for reuse in steam generation, water heating, and combustion air pre-heating. Their product portfolio includes both standardized and custom-engineered solutions for the food and beverage, chemical, pharmaceutical, and automotive manufacturing sectors. The firm's technical capabilities center on converting previously lost thermal energy into usable heat through strategic system integration and process optimization. Their engineering team develops specifications for each facility's unique requirements while maintaining compatibility with existing HVAC infrastructure and industrial equipment. eTech's installations create closed-loop energy recovery that reduces primary fuel consumption in manufacturing and processing operations. The company maintains an active industry presence through technical content shared via Pinterest and X platforms, along with participation in commercial engineering forums. Their resource library includes thermal efficiency calculators, system sizing guides, and case studies documenting heat recovery applications across diverse industrial settings. eTech provides ongoing support through system monitoring, maintenance programs, and efficiency optimization services.