A new look at vacuum heating But suppose the building owner converted the existing steam system to a vacuum system? Dan Holohan January 21, 2016 Simple modifications make this system quiet and maintenance-free.Read More
Memories of one of NYC's first hydronic-heating jobs Dan Holohan November 18, 2015 The hot-water radiators would have to be larger than the steam radiators, of course.Read More
The plumbing and heating industry is heading down a dangerous path Dan Holohan October 23, 2015 The industry is heading down a dangerous path because of technological advancements.Read More
Intricacies of a nozzle should not be taken lightly Dan Holohan August 12, 2015 Sixteen years ago, I walked into a Danfoss factory in Denmark.Read More
A lesson in steam heating that will save you a headache A steam boiler has to produce the amount of steam the building will need on the coldest day of the year. Dan Holohan April 28, 2015 Do you know who invented the motorized zone valve used on older steam-heating systems? Read More
Distrct heating, steam radiators and getting the air out The state of New York built The Arsenal between 1847 and 1851. Dan Holohan March 25, 2015 The Arsenal sits across from the zoo in New York’s Central Park.Read More
Heating and cooling lessons at the grocery store Dan Holohan February 9, 2015 Mama, Marie and me.Read More
Decide: It's one of the most powerful words around Dan Holohan January 31, 2015 Advice sometimes comes unsolicited (such as now) and other times it comes after you've asked for it (if you’re lucky). Some advice has the power to change your life.Read More
New products are enhancing the 'Thermostat Wars' What more can your device do? Dan Holohan January 14, 2015 These products are shaking things up.Read More
Calculating measurements since 1867 with no battery or signal required Dan Holohan November 3, 2014 Calculating measurements since 1867 — no battery or signal required.Read More