Banging Zone Valves
It sounded like someone was coming through the front door with a fire axe. We were sound asleep and then it arrived, as it did night after night, all winter long. BANG!
Systems Help Center
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.
Find help by category
Recent Articles
Thermostatic Radiator Valves
What's wrong with this picture? See the remote thermostat sitting on top of the hot radiator? The folks in that office wondered why they couldn't seem to get comfortable.
Steam vs. Hot-Water Heating
It was a real battle in the early days of heating. There were steamfitters and then there were the hot water people. I have a wonderful old ad from Honeywell that goes ba...
Don't Size a Hot-Water Boiler By Measuring the Radiators
They built our house in 1950 here on the Isle of Long and it used to have a radiant heating system. In 1970, the previous owner noticed wet spots on his kitchen floor, an...
Don't Size Heating Equipment with Rules of Thumb
The World Headquarters of HeatingHelp.com, our humble company, used to be in a tiny store in beautiful downtown Bethpage, here on the Isle of Long. We then moved to anoth...
When a Radiant-Heating System Goes Wrong
Marianne and I were at the 5 PM mass last Saturday. We like going to that mass because it allows us to be lazy in bed with newspapers and coffee on Sunday mornings. We've...
Radiant Heat and Wood Floors
More and more radiant systems going into existing homes as retrofit projects. On many of these jobs the tubing winds up getting attached to the underside of the wood floo...
The First Radiant Heating Jobs
Each morning, when I sit at my desk, I give a moment’s thought to the broken copper pipes that are buried in the concrete slab just below my feet. The guy who lived here ...
Types of PEX pipe
You have options when it comes to the tubing you bury or staple up on a radiant job. You may choose to go with a particular supplier and never question the type of tubing...
Oxygen-Diffusion Corrosion in Radiant Heating Systems
Whether you’re doing radiant floor heating or hydronic snowmelt jobs, it pays to give lots of thought to this oxygen-diffusion corrosion business. Since this is one of th...