HVAC equipment prices aren’t just rising — they may be here to stay. Contractors are feeling it in every quote, but the ...

Very hot conditions are forecasted for most of the upcoming week. With that forecast we’ll be hearing the terms “heat index”, “heat risk”, and even “Wet Bulb Globe Temperature” from meteorologists on ...

It’s the dead of winter in much of North America and in many locations heating units in commercial and industrial buildings have been working hard. Unfortunately some of these units won’t make it to ...

Article 424 is a nine-part article on fixed electric space heating. Why so much text for what seems to be a simple application? The answer is that Art. 424 covers a variety of applications — heaters ...

Among its other uses, this equipment keeps process plants running and gas flowing through pipelines in cold weather. But installation errors can defeat the purpose of installing this equipment. It’s ...