Service and Maintenance

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As part of a campaign to dispel the myths associated with tankless water heaters, Matt Risinger highlights and disproves eight myths surrounding the technology.

Making sure the TXV is metering the right amount of refrigerant into the evaporator and is not overfeeding the coil is one way technicians can help their customers’ refrigeration and air conditioning systems operate safely and more efficiently.

Implementing company-wide static pressure measurements can be tough. Let’s look at how you can use red flags to improve your static pressure measurement consistency and reduce callbacks.

Storms are not the only thing that lead to power outages — as temperatures continue to rise, the nation’s power grid is only put under more strain. Planning ahead and staying safe is key.

Liquid line restrictions cause the evaporator, compressor, and condenser to be starved of refrigerant, causing performance problems in refrigeration systems.

Locating the source of a refrigerant leak in a self-contained reach-in cooler or freezer and repairing it may be difficult, but technicians should always attempt to find the source.

Like any piece of machinery or machine component, air-conditioning coils work better, and last longer, when properly cared for.

Comprehensive troubleshooting can help technicians determine whether the compressor is working properly.

Working as an HVAC technician requires a lot of caution and attention to detail to do the job well and remain safe. It’s important to ensure HVAC techs remember a few key things going into any job.