Service and Maintenance

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Just because an HVAC technician installs a system according to current codes and standards, it doesn’t always mean it’s safe.

The proposed new approach to chilled water HVAC systems promises to provide significant capital cost savings, energy cost savings, and a path to eliminate CO₂ emissions.

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

The medical profession and the HVAC industry have a lot of parallels when it comes to learning how to work together as a team.

Over time, dirt, dust, pet dander, debris, and more accumulate in air ducts. And since the HVAC system works basically as a whole-home vacuum, all of that is recirculated through homes when the HVAC system runs, unless the ducts are cleaned out.

Contractors need to implement a refrigerant management strategy that accommodates both legacy and A2L systems, as well as emphasizes recovery and reclamation.

Troubleshooting PSC fan motors is a common task for service technicians, and failures tend to be either electrical or mechanical.

In today's economy, cost-conscious end users want to extend their HVAC equipment lifespan as long as possible. Regular maintenance on condensing units can help maximize their longevity and performance.

For technicians who run across older furnaces where air conditioners were later added, it pays to know how a fan center operates.

What are the most common mistakes in heat pump installs, and how do you avoid them? Here’s what experts had to say about heat pump installation — a must-watch as electrification continues to gain momentum.