Precision and quality matter in many fields, but these factors are especially important in commercial HVAC work, where correct instrument readings are critical to a wide range of applications. ESP understands that, and our commitment to exceptional quality is reflected in the commercial HVAC offerings of our WGTC brand.

As the inventors of the adjustable angle industrial thermometer – for which they were awarded a patent in 1950 – WGTC is the gold standard for liquid-in-glass thermometers in the commercial HVAC industry. Our superior products are used and relied on worldwide for utility plants’ chilled and hot water systems.

Paired with a wide arrange of pressure gauges, WGTC thermometers enable customers to monitor the performance of their HVAC systems with ease and, most importantly, dependable accuracy. For commercial HVAC applications, there is no better option.