Before you can size the branch circuits for a dwelling, you must calculate the loads. Article 220 allows two distinctly different calculation methods: the standard method in Part III and the optional ...

THE FIRST STEP when specifying and recommending a residential heating system is to determine the heat load for the project. Here is software that can speed that process and guarantee accuracy.

COMFORT MATTERS: When a furnace is sized for the home’s actual heating load, it offers greater comfort, often with a smaller, less expensive furnace. May 20, 2019 HVAC professionals might be surprised ...

The system combines an outdoor air-to-water heat pump with a high-efficiency propane boiler for optimal performance across temperature ranges Installation was straightforward, utilizing Weil-McLain's ...

Mlulti-family service calculations can seem confusing, especially since you have a choice of methods — standard (Art. 220, Part II) and optional (Art. 220, Part III). But clearing up that confusion is ...

In recent years, there has been a growing trend in the U.S. toward the electrification of homes, which often includes replacing gas furnaces with electric heat pumps. This trend is being driven by a ...