Since A2L refrigerants are designated as mildly flammable, safety features like refrigerant detection systems (RDSs) are being incorporated into new residential/light commercial ducted split systems that contain more than 4 pounds of A2L refrigerant. Here’s what HVAC technicians need to know about installing those RDS in the field.

RDSs are generally required in A2L systems that contain more than 4 pounds of refrigerant and can either be field or factory-installed, depending on the manufacturer.

The gold-winner allows a central point of data through a single instrument for heating, cooling, refrigeration, and IAQ.

In the Hand Tools category, a lightweight, aluminum magnetized wrench design for quickly running nuts up threaded rods takes home the gold.

A new digital vacuum gauge is already making life easier for techs, one who said the gauge can be getting the necessary readings while they are taking lunch.

Soap bubbles have long been thought of as the standard method for leak detection, but times, and technology, are changing.

Businesses are increasingly looking to cut down energy consumption, driven by cost, sustainability initiatives, or a combination of the two.

Everything from your phone to your home is going “smart” these days. Here’s a look at the latest in smart HVAC tools from four different manufacturers.

While servicing equipment, technicians should be on the lookout for sources of potential future leaks, as well as follow good service practices to prevent creating leaks.

The biggest tip is that combustion analysis should be the first and last thing completed during any heating appliance repair.