That was the first question asked of my dad when I introduced my father, Larry Fenske to our Navien U.S. CEO Harrison Kim. Without missing a beat my dad looked at me with pride and for confirmation and stated “a cast iron boiler my son put in about 25 years ago and it’s still working Read more

Bosch Thermotechnology is a leading source of high quality cooling and heating systems, including tankless, point-of-use and electric water heaters, floor-standing and wall-hung boilers, Bosch and FHP geothermal heat pump systems as well as controls and accessories for every product line. Bosch Thermotechnology is committed to reinventing energy efficiency by offering smart products that work Read more

The 130,000-sq.-ft. Elm Street School in Gardner, Mass.—built in 1923—had failing oil-fired boilers, and a stack that defied physical principles and noise complaints. “One of the owner complaints was wet steam and banging. The previous system had a reputation for noise at certain points in the operation, notably start-up,” says Bradford White, senior mechanical engineer Read more

A leading solar integrator in the San Luis Valley of southern Colorado, Solar Gain Services has been offering solar thermal and photovoltaics to commercial and residential clients since 2007. When co-owner Luke Christy—NABCEP certified as both a solar heating installer and as a PV installation professional—received a call from a homeowner in Sagauche, Colo., to Read more

Radiant cooling has been utilized in commercial cooling settings for more than 20 years. A very active, very large airport — Suvarnabhumi International Airport in Thailand — has been successfully using radiant cooling for two decades. Radiant cooling works in much the same way that radiant heating works. Most people who have basements have experienced Read more