Ray Wohlfarth: Understanding boiler controls Ray Wohlfarth April 27, 2018 Correctly set controls ensure proper boiler operation. Read More
Dan Holohan: How much should I charge? Dan Holohan April 26, 2018 Sometimes, all a customer needs is an explanation.Read More
John Siegenthaler: Designing cordwood gasification boiler John Siegenthaler, P.E. April 26, 2018 A simplified design for cordwood gasification boiler systems.Read More
Dan Holohan: Invest in your employees Dan Holohan March 27, 2018 Employees worth keeping are worth investing in.Read More
John Siegenthaler: How to wire fresh air dampers The 2018 version of NFPA 54 prescribes methods for providing this air into confined spaces using one or two openings to outside space. John Siegenthaler, P.E. March 27, 2018 A simple circuit to coordinate fresh air dampers.Read More
The General Society of Mechanics and Tradesmen of the City of New York has a unique home Saving a piece of NYC history Dan Holohan March 20, 2018 In January 2015, the Association of Energy Engineers invited me to Manhattan to talk to them about steam heating.Read More
John Siegenthaler: Tell me more about 'nubbed' foam panels John Siegenthaler, P.E. February 26, 2018 Designers need more information on “nubbed” foam insulation panels.Read More
Dan Holohan: Learning about conduction Dan Holohan February 19, 2018 Don’t try this at home. Read More
Holohan: Work for someone else first Dan Holohan January 30, 2018 It takes time and patience to break into this industry. Read More
Siegenthaler: There's no such thing as 'head pressure' John Siegenthaler, P.E. January 30, 2018 Anyone who has worked on the technical side of the hydronics industry has used terminology such as: pressure, differential pressure, head and head loss. These terms all have legitimate and specific meanings.Read More