Commercial & Industrial Water Heating Solutions
The water heating experts.
Hubbell engineers and manufactures standard and customized water heating solutions for commercial and industrial applications. We offer storage capacities from 1 to 10,000 gallons in electric, gas and indirect energy sources, as well as tankless and semi-instantaneous water heaters. Our products are designed, engineered, and manufactured for reliability and longevity coupled with unparalleled support and service.
Engineered Products
Product Highlight
UltraPure Series HD
Sensitive applications demand high-purity water. Ultrapure HD is built to support RO/DI water systems, maintaining integrity over time. The solid 316L stainless steel ASME stamped pressure vessel resists corrosion and ensures longevity.
Industries and Applications
Over a century
Around the world
Latest News >
What is Deionized Water? Conductivity, DI Process, & Material Selection
Learn about deionized water and why conductivity matters. Compare DI vs. distilled water and find out why stainless steel is the best material for deionized water heaters.
NEC/CEC Hazardous Classifications: Classes, Divisions and Groups
If you’re specifying heaters in hazardous locations including refineries, chemical processing, wastewater, or RO/DI systems, this overview helps clarify what data is required and why it matters.
Emergency Safety Shower System Quick Facts
Emergency showers and eyewash stations provide the urgent emergency care needed. Their effectiveness depends on design, placement, and compliance with OSHA and ANSI/ISEA Z358.1 standards.