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A website providing information on how to properly size a water heater based on tank size, volume, peak hour demand and other factors.

A webpage discussing how water heater expansion tanks operate and how to repair them.

Wepage providing information on ENERGY STAR certified gas tankless water heaters with information on how they cut water heating expenses as well as a product finder tool to find ENERGY STAR certified products.

A info sheet providing information on ENERGY STAR certified water heaters and the various criteria water heaters must undergo to become ENERGY STAR certified, including metrics on efficiency and performance.

2009 edition of code establishing minimum regulations for plumbing facilities, including fixtures, water heaters, water supply and distribution, sanitary drainage, storm drainage, etc.

2012 edition of code establishing minimum regulations for plumbing facilities, including fixtures, water heaters, water supply and distribution, sanitary drainage, storm drainage, etc.

2015 edition of code establishing minimum regulations for plumbing facilities, including fixtures, water heaters, water supply and distribution, sanitary drainage, storm drainage, etc.

2018 edition of code establishing minimum regulations for plumbing facilities, including fixtures, water heaters, water supply and distribution, sanitary drainage, storm drainage, etc.

Article explaining the importance of regular inspections of boiler systems in maintaining their safety, lifespan, and efficiency.

An engineering design guide for hydronic heat loops, discussing the features and advantages of condensing boilers.

Guidebook providing useful examples of high performance retrofit techniques for the building enclosure of wood frame residential construction in a cold and somewhat wet climate.