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Classic Hydronics Seminar
In this all-technical three-hour-and-ten-minute seminar, Dan Holohan will give you an education in those Classic Hydronic heating systems. He'll have you seeing inside the pipes as he gives you a better understanding of how things work, what goes wrong with them, and why. He'll share with you the secrets he's picked up from the Old-Timers and he'll make you a better troubleshooter.
We'll look closely at:
The critical importance of pressure differential
Gravity hot water heating systems
Pumping in heating systems
Radiation
One-pipe loops
One-pipe primary-secondary heating systems
Diverter tees
Two-pipe direct- and reverse-return
Two-pipe primary-secondary heating systems
Multiple boiler heating systems
Two-temperature systems
Air problems and their solutions (once and for all)
Classic radiant heating systems
And more!
Переглядів: 23 150

Відео

Dead Men's Steam School Seminar
Переглядів 25 тис.Рік тому
Whether you're new to the world of steam heating or an experienced pro, this 3-hour-and-17-minute seminar taught by Dan Holohan is filled with aha! moments that will sharpen your skills and increase your value on the job. We'll look closely at: Steam heating radiation of all kinds Steam-heating loads Boiler ratings Proper near-boiler piping for steam heating systems The importance of water qual...
Heat Exchangers in Plumbing & Hydronic Systems
Переглядів 2,4 тис.3 роки тому
HeatingHelp.com partnered with Caleffi on this Hot Topics with Hot Rod webinar. In this episode, Hot Rod takes a closer look at heat exchangers and answers these questions: What is a heat exchanger? What are the pros and cons of various types of heat exchangers? How do you size and install a heat exchanger? How do you service and troubleshoot heat exchanger problems?
Radiators and Pandemics: A Curious Marriage
Переглядів 1,3 тис.3 роки тому
This video is a recording of Dan Holohan's popular seminar Radiators and Pandemics: A Curious Marriage. It was hosted by The General Society of Mechanics & Tradesmen on March 2, 2021. When Dan Holohan was researching his book, The Lost Art of Steam Heating, in the late-1980s, he came upon a reference to The Fresh Air Movement that made him curious. He dug deeper and learned of the relationship ...
Sustainable Steam Heating
Переглядів 4,4 тис.3 роки тому
In this webinar, hosted by The General Society of Mechanics & Tradesmen on November 10, 2020. Steam heating expert Dan Holohan describes how steam heating is supposed to work and how to make it more efficient. He also shares how the banging and clanging, the uneven heating, the squirting air vents, and the high fuel bills are not “normal” for steam. He outlines simple ways that homes and commer...
Hot Topics with Hot Rod Episode 4: Maintaining Safe Water Building Systems
Переглядів 5324 роки тому
HeatingHelp.com partnered with Caleffi on the Hot Topics with Hot Rod webinar series. In this episode, Bob "Hot Rod" Rohr talks about maintaining safe water systems, how to minimize risks at home and at your customer's buildings, legionella bacteria, and more.
Hot Topics with Hot Rod Episode 3: Pressure Reducing Valves
Переглядів 6764 роки тому
HeatingHelp.com partnered with Caleffi on the Hot Topics with Hot Rod webinar series. In this episode, Bob "Hot Rod" Rohr talks about pressure reducing valves. Ever wondered how they work and why there are SO many sizes? Just how do you select the correct valve? What's the skinny on complaints and how do you go about smart troubleshooting? Learn all of this and more during this webinar.
Hot Topics with Hot Rod Episode 2: Mixing Valves
Переглядів 1,2 тис.4 роки тому
HeatingHelp.com partnered with Caleffi on the Hot Topics with Hot Rod webinar series. In this episode, Bob "Hot Rod" Rohr talks about how to size a mixing valve, when you should choose a manual, thermostatic or motorized valve, and more.
Hot Topics with Hot Rod Episode 1: Buffer Tanks
Переглядів 3 тис.4 роки тому
HeatingHelp.com is delighted to partner with Caleffi on the Hot Topics with Hot Rod webinar series. In this episode, Bob "Hot Rod" Rohr shares his knowledge about buffer tanks. He talks about when and why you should consider a hydronic buffer tank, how to size buffer tanks, and how to pipe buffer tanks. Want to learn more? Visit heatinghelp.com/ and www.caleffi.com/usa/en-us.
Pumping Away Piping
Переглядів 18 тис.4 роки тому
You may think you know what pumping away is all about, but Dan Holohan will tell you how it came to be and all of the fun and interesting things that happened along the way. Get to know more about Gil Carlson who first came up with the concept (or did he?). Spend an hour with Dan at this webinar and he'll tell you stories that will make you think and laugh out loud.
Boiler Room Detective Webinar
Переглядів 6 тис.4 роки тому
During this entertaining and informative one-hour webinar, you will be a famous detective uncovering clues about boiler operation, efficiency, and safety. Industry expert Ray Wohlfarth will help you solve the following mysteries: How to be sure the boiler room is safe Can the boiler breathe? What boiler noises should raise a red flag? How a tissue can help diagnose system problems What’s stored...
The Fascinating History of Radiant Heating
Переглядів 7 тис.4 роки тому
In this informative and entertaining excerpt from his Classic Hydronics seminar, Dan Holohan will tell you about the history of radiant heating systems. He talks about the world’s first radiant heating system, how radiant heating began in the United States, radiant ceilings, Frank Lloyd Wright’s Usonian House, how WWII affected the heating industry, Bundy steel tubing for radiant heating, T. Na...
Using Mixing Valves for Radiant Heating
Переглядів 38 тис.4 роки тому
In this excerpt from his Classic Hydronics seminar, Dan Holohan shares his knowledge about mixing low-temperature radiant heating with a higher-temperature hot water heating system. He talks about how mixing valves work, using diverter valves, and more. Want to learn more? Visit heatinghelp.com/. Want to be an expert? Get a copy of Dan Holohan’s book Classic Hydronics: www.amazon.com/Classic-Hy...
Eliminating Air in Hot Water Heating Systems
Переглядів 11 тис.4 роки тому
In this excerpt from his Classic Hydronics seminar, Dan Holohan talks about how to get rid of air in hot water heating systems. He shares his knowledge about airtrol tank fittings, waterlogged compression tanks, diaphragm tanks, air scoops, air separators, Spirovent, Honeywell’s Powervent, Bell & Gossett’s Enhanced Air Separator, Taco’s Vortech, Watts’ AS-MB, pall rings, Bell & Gossett’s Rolair...
Primary-Secondary Pumping on Two-Pipe Hot Water Heating Systems
Переглядів 4,3 тис.4 роки тому
In this excerpt from his Classic Hydronics seminar, Dan Holohan talks about primary-secondary pumping on two-pipe hot water heating systems. Want to learn more? Visit heatinghelp.com/. Want to be an expert? Get a copy of Dan Holohan’s book Classic Hydronics: www.amazon.com/Classic-Hydronics-Hot-Water-Heating-Systems/dp/0996477217
Two-Pipe Hot Water Heating Systems
Переглядів 7 тис.4 роки тому
Two-Pipe Hot Water Heating Systems
Primary-Secondary Pumping on a One-Pipe Hot Water Heating System
Переглядів 26 тис.4 роки тому
Primary-Secondary Pumping on a One-Pipe Hot Water Heating System
Loop Hot Water Heating Systems
Переглядів 5 тис.4 роки тому
Loop Hot Water Heating Systems
Primary-Secondary Pumping with Multiple Boilers
Переглядів 6 тис.4 роки тому
Primary-Secondary Pumping with Multiple Boilers
Pumping Away on a One-Boiler Hot Water Heating System
Переглядів 18 тис.4 роки тому
Pumping Away on a One-Boiler Hot Water Heating System
Square Pipes on a Heating System
Переглядів 2,3 тис.4 роки тому
Square Pipes on a Heating System
One-Pipe Hot-Water Heating Systems
Переглядів 26 тис.4 роки тому
One-Pipe Hot-Water Heating Systems
Pumping Tips for Hot Water Heating Systems
Переглядів 8 тис.4 роки тому
Pumping Tips for Hot Water Heating Systems
A Cautionary Tale for Replacing Boilers on Hot Water Heating Systems
Переглядів 6 тис.4 роки тому
A Cautionary Tale for Replacing Boilers on Hot Water Heating Systems
Honeywell’s Unique Valve
Переглядів 2 тис.4 роки тому
Honeywell’s Unique Valve
Honeywell’s Heat Generator
Переглядів 2,4 тис.4 роки тому
Honeywell’s Heat Generator
The Development of One-Pipe Hot Water Heating and the OS Fitting
Переглядів 2,3 тис.4 роки тому
The Development of One-Pipe Hot Water Heating and the OS Fitting
Mark Honeywell’s Solution to Stratification in Gravity Systems
Переглядів 1,8 тис.4 роки тому
Mark Honeywell’s Solution to Stratification in Gravity Systems
The Eureka Fitting: An Early Diverter Tee
Переглядів 1,5 тис.4 роки тому
The Eureka Fitting: An Early Diverter Tee
How Gravity Hot-Water Heating Systems Work
Переглядів 13 тис.4 роки тому
How Gravity Hot-Water Heating Systems Work