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Home » Topics » HVAC Contracting » Service & Maintenance

Service & Maintenance
Service & Maintenance RSS Feed RSS

Refrigeration Evaporator.

Proper Superheat Can Protect Compressor From Damage

Technicians should make sure that liquid refrigerant is not entering the compressor
Headshot tomczyk john
John Tomczyk
September 28, 2022
No Comments
One of the worst enemies of a compressor is liquid refrigerant, so technicians should make sure the refrigeration system has proper superheat in order to protect the compressor from damage that can occur from flooding or slugging.
Read More
HVAC Equipment Protection.

When Bad Ducts Meet Great Equipment

David richardson
David Richardson
September 14, 2022
No Comments
Every industry has its problems and the HVAC business is no different. Let’s look at how our industry got into the mess of great equipment installed on not-so-great duct systems and one way you can prevent it.
Read More
Flame Furnace Simulation Board.

Flame Furnace: Training Technicians with Simulation Boards

Layan dahhan 400x400
Layan Dahhan
September 8, 2022
No Comments
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.
Read More
Gas Ballast.

Gas Ballast in Vacuum Pump Aids Evacuation

Proper evacuation ensures no atmospheric air remains in a refrigeration system
Joe marchese
Joe Marchese
September 3, 2022
One Comment
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.
Read More
Professor-JohnTomczyk1.jpg

Reasons Why TXVs Underfeed Refrigerant

A refrigerant undercharge may be due to TXV restriction
Headshot tomczyk john
John Tomczyk
August 30, 2022
No Comments
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.
Read More
HVAC System Taste Test.

Do Your HVAC Systems Pass the Taste Test?

David richardson
David Richardson
August 12, 2022
No Comments
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?
Read More
Tankless Truths Logo.jpg

Dispelling Tankless Water Heater Myths

Hannah belloli
Hannah Belloli
August 5, 2022
No Comments
As part of a campaign to dispel the myths associated with tankless water heaters, Matt Risinger highlights and disproves eight myths surrounding the technology.
Read More
Boiler.jpg

Tips for Improving Boiler Efficiency, Reducing Operating Costs, and Keeping Your Boiler Room Safe

July 29, 2022
No Comments

As one of the larger contributors to a facility’s expenses, it is critical to incorporate preventative measures into regular maintenance and cleaning plans for boilers.


Read More
TXV.

Reasons Why TXVs Overfeed Refrigerant

Proper TXV settings will keep refrigeration and air conditioning systems operating efficiently
Headshot tomczyk john
John Tomczyk
July 27, 2022
No Comments
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.
Read More
HVAC technician drawing.

Use Red Flags as Prompts to Measure Static Pressure

David richardson
David Richardson
July 15, 2022
No Comments
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.
Read More
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