Testing | Monitoring | Tools

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Learn how ohmmeter checks and hopscotching can save HVAC techs from costly misdiagnoses. 

A blown fuse or tripped breaker may point to deeper problems — here’s how to trace the issue before swapping parts and burning time.

Smart tools are becoming standard in HVAC, helping contractors deliver better installs, fewer callbacks, and stronger customer relationships. 

No ports? No problem. Here are three proven ways to check refrigerant charge without gauges.

Take a look at the latest HVAC tools designed with efficiency and precision in mind. From innovative leak sealants and coil cleaners to wireless automation systems and faster vacuum pumps, these tools are helping contractors improve jobsite performance and streamline workflows in 2025. 

At the AHR Expo, companies showed off the ways in which their products are designed to make contractors’ and technicians’ jobs easier — and perhaps bring in revenue, too. 

There are 4 main categories of tools to check for A2L compatibility, but that doesn’t mean HVAC technicians need to replace all their tools upfront.