Service and Maintenance

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The ACHR NEWS’ web editor, Layan Dahhan, visited Flame Furnace in Warren, Michigan, to find out how the company trains its technicians to troubleshoot furnace and a/c units.

Proper evacuation of a refrigeration system is an important part of repairing or installing a unit, and the gas ballast in the vacuum pump helps improve the process.

Technicians need to make sure that the TXV is not underfeeding refrigerant to the refrigeration or air conditioning system due to a restriction, which can be caused by a number of factors.

Sometimes HVAC installations don’t deliver the intended results. Is it possible they’re missing ingredients, using a faulty recipe, or a combination of both?

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.