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Home » Topics » HVAC Contracting » Service & Maintenance

Service & Maintenance
Service & Maintenance RSS Feed RSS

Figure One: Diagram of an electric furnace.

Troubleshooting Puzzle: An Electric Furnace That’s Not Performing

Headshot johnson jim
Jim Johnson
October 9, 2021
No Comments
The equipment in this month’s troubleshooting problem is an electric furnace that has been in service for at least ten years and has no service history.
Read More
HVAC Tool Backpack.

HVAC Technicians Share Favorite Tools, Ways to Carry Them

Keeping bags organized makes the job easier
Ted craig
Ted Craig
October 5, 2021
No Comments

The ACHR NEWS recently spoke with three technicians — representing residential service, commercial service, and installation — about what they carry in their bags.


Read More
Top Tips for Today's Techs.

How to Determine the Cause of Electrical Compressor Failure

Strategies for HVAC technicians servicing failed compressors
Ted craig
Ted Craig
September 30, 2021
No Comments
The first step consists of determining the compressor’s mode of failure. Was it electrical or mechanical?
Read More
Sleep and HVAC.

Four HVAC Tests and Solutions to Improve Sleeping Conditions

Airflow, refrigerant charge, poor airflow, and more can affect sleep conditions negatively
David richardson
David Richardson
September 28, 2021
No Comments
HVAC is more than blowing cold and hot air — your systems affect the health of your customers. Wouldn’t you sleep better knowing your customers are also sleeping well?
Read More
Air-Cooled Compressor.

Making Sense of Compressor Frost Patterns

In some refrigeration systems, heavy frost is not usually a cause for alarm
Headshot tomczyk john
John Tomczyk
September 21, 2021
No Comments
Any compressor that gets too hot or is overheated is subject to premature wear between its internal moving parts.
Read More
Temperature Sensor.

Replacing Constant Cut-In Temperature Controls

Most newer refrigeration systems use electronic temperature controllers
Joe marchese
Joe Marchese
September 15, 2021
No Comments
When replacing an older mechanical temperature control, an option for some systems is to replace the older control with a newer electronic version.
Read More
Duct Leakage.

HVAC Maintenance and Service Before, During, and After Duct Leaks

Installed ductwork is better than it used to be, but a partial fix can breathe life into other issues
Robert beverly achr
Robert Beverly
September 7, 2021
No Comments
Context can help professionals direct their attention to where duct leakage can best be addressed.
Read More
Discharge Thermistor.

Prevent Premature Compressor Wear Due to Internal Overheating

Measuring discharge temperature provides insights into system workings
Headshot tomczyk john
John Tomczyk
September 6, 2021
2 Comments
Any compressor that gets too hot or is overheated is subject to premature wear between its internal moving parts.
Read More
Boiler Maintenance.

Tips for Inspecting, Maintaining Today’s High-Efficiency Boilers

Properly maintenance will protect customer’s investment
John smart headshot
John Smart
September 2, 2021
No Comments
Popular high-efficiency boilers tend to be more expensive at installation, but lower utility bills pay customers back over time.
Read More
Heat-Pump-Diagram.jpg

Troubleshooting Puzzle: A Heat Pump That’s Not Heating Enough

Headshot johnson jim
Jim Johnson
September 2, 2021
No Comments
In this troubleshooting situation, the equipment is a package unit heat pump that isn’t properly heating the customer’s home.
Read More
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