About Us

RAISING THE STANDARD for Water Heating Solutions

Heat-flo is an American built and owned company that designs, engineers and manufactures high quality, cost-efficient water heating and storage products for residential, commercial, and industrial applications. Our solutions span from multi-energy/solar and electric based hot water heating systems, to hydronic and radiant heating applications. The Heat-flo team of highly experienced workers and craftspeople originate all product design, manufacturing, sales, and ongoing market support at our facility in Uxbridge, Massachusetts, USA.

For over 20 years, Heat-flo water heaters have surpassed industry standards for quality and reliability. From design details, raw materials, state-of-the-art machinery, to finished product assembly, each phase in the product development process is extensively observed to ensure continuous improvement and superior quality.

Our mission is to exceed customer expectations and requirements by providing superior services and products that give our customers peace of mind and the most reliable, long-lasting, and efficient water heating and hydronic solutions. It is our policy to promote a culture of continual improvement by always RAISING THE STANDARD through superior design and manufacturing execution.

It is our policy to promote a culture of continual improvement by always RAISING THE STANDARD through superior design and manufacturing execution.

"Our philosophy has always been to design, evaluate and improve. With our design and manufacturing teams under one roof, it has given us the ability to do just that! Here at Heat-flo, we are always looking to ‘Raise the Standard’ by truly listening to our customers and providing them with the highest quality and cost-effective solutions for their needs."

- Founder and President George Celorier

Our Indirect Water Heaters are the most user friendly units in the industry. All pipe connections are located on the top for clean, easy installation and maintenance. Tanks are shipped with drain valve, T&P relief valve, and a welded stainless steel cold water dip tube factory installed and pressure tested. A Honeywell temperature control is offered as standard equipment with all single coil Indirect Water Heaters and Hot Water Storage Tanks.

Hot Water Heating System Storage Tanks are designed with dedicated heat source supply/return dip tubes located to result in precise temperature control. The supply and return from the heat source is hydraulically decoupled from cold and hot connections and flow variations. These versatile units offer unlimited applications for creating abundant hot water utilizing external heat sources.

A complete line of Multi-Energy/Solar Storage Tanks offers the same installer-friendly design features and are manufactured with one coil, two coils, or no coil, and with or without electric backup heating.

  • High quality all stainless steel Hydronic Buffer Tanks are offered in 22, 30, 40, 60, 80, and 115 gallon sizes with a choice of 1 ¼, 1 ½, or 2" NPT taps to match system requirements.

  • Our buffer tanks are available with the option of one or two built-in coils.

  • Custom tapping configurations are available upon request.

  • Products conform to UL STD 174, NSF 372, and are certified to CAN/CSA STD C22.2 No.110-94.

  • Architects, engineers, contractors, facility managers and homeowners alike rely on us for their comfort heating needs. Installed in homes, offices, schools, restaurants, hotels and other facilities throughout North America.
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