Practical guidance on commercial hot water systems for distributors, contractors and specifiers: system design, sizing, low-NOx combustion, tank construction and installation.
Insights · October 13, 2026
How direct-supply commercial storage water heaters compare with boiler, heat exchanger and storage tank systems for hotels, schools and other commercial buildings.
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Insights · October 13, 2026
A step-by-step method for sizing commercial gas and electric storage water heaters for hotels, using the design hourly heat load, with two worked examples.
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Insights · October 13, 2026
Why fully premixed combustion with a metal-fiber burner cuts NOx emissions in commercial condensing water heaters, and what buyers should check when specifying low NOx equipment.
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Insights · October 13, 2026
How OTTMEL builds and tests the enamel-lined steel tanks used in its commercial storage water heaters: steel grade, sandblasting, welding sequence and pressure testing.
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Insights · October 13, 2026
Installation checklist for commercial storage water heaters: location, clearances, piping, T&P valve discharge, flue and electrical requirements for contractors and distributors.
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