Our comprehensive HVAC Systems Help Center covers a wide range of HVAC-related topics, including air conditioning and heat pumps, geothermal, hot-water heating, thermostats and controls, solar, steam heating, and warm air. We also have a section of informative and entertaining articles to help you sharpen your HVAC business skills. And our Heating Museum is a captivating journey through the evolution of HVAC technologies.
J-B Weld Company of Sulfur Springs, TX (903-885-7696) told me that the City of Dallas, Texas used their product to repair a cracked Caterpillar engine block. That sure go...
Air is the enemy in a hydronic (hot-water) heating system. It blocks the flow to the radiators. It rattles around and annoys customers.
Start your car on a cold morning and walk around to the tailpipe. See that water dripping? That’s the way a high-efficiency, condensing boiler works.
The grocery store is a great place to understand radiant heating (or to explain it to your customer). Stop first in the gadget aisle and pick up a thermometer. It will pr...
Primary-secondary piping systems call for the tees that go off to the secondary circuit to be close together, ideally not more than six inches apart. Think like water and...
When it comes to boiler-feed pumps, the two important variables are the amount of water in the operating range of the boiler, and the steam-to-condensate time lag across ...
Discovering that water hammer has moved into any hydronic system, be it steam or hot water is never fun, but finding the cause of it sure can be. Hey, you get to be a det...
Here are some excerpts from my new book, Lessons Learned: Brewing with Steam. I wrote it to help you design, install, and maintain steam systems used in the craft brewing...
I was never an A student in high school or in college. It was my math and science classes that helped me graduate with a decent GPA. It was just something about problem s...
This is a speech that E. N. McDonnell, founder of McDonnell & Miller, made on May 29, 1940 to the Heating & Piping Contractors National Association in defense of steam he...
