Service & Maintenance

Btu Buddy 133: Evaporator Coil Freezing, Low Ambient Problems

By Bill Johnson
2 Comments

Bob and Tim were on their way to a no cooling call, their first of the season, when Tim asked, “Wonder why we would have a no cooling call this time of year? It is only 75°F during the day and 40° at night.”


Read More

Air-Fuel or Oxy-Fuel for Soldering and Brazing?

There Is a Time and Place for Both Processes in HVACR Applications
By Jacob Meeker
No Comments

For the HVACR technician, the right tool for soldering and brazing pipe — an air-fuel or oxy-fuel torch — depends on the type and diameter of the pipe, its location, and considerations related to cost, safety, convenience, and ease of use. This article will examine those factors, as well as clarify some technical issues.


Read More

Btu Buddy 132: Tuning an Oil Furnace

By Bill Johnson
No Comments

Tim had asked Bob to go into depth about tuning an oil burner during the last service call. “You said that oil burning equipment requires more attention than any other type of residential heating equipment,” Tim said. “Can you explain why?”


Read More

Troubleshooting Challenge: A Split System That’s Not Cooling

By Jim Johnson
No Comments

Looking ahead to the upcoming cooling season, the equipment in this troubleshooting situation is a split system that’s approximately eight years old, consisting of a gas furnace that provides heat in the winter and a condensing unit and A coil to provide summer cooling.


Read More

Btu Buddy 131: Oil Burner Service Call

By Bill Johnson
No Comments

Bob and Tim were on their way to an oil heat service call. It is cold and the owner has no heat. Tim read the service ticket for today and said, “The owner says that the burner won’t burn and makes a sputtering sound for a few minutes and shuts off.”


Read More

Furnace Ignitor Problem

By Steve Arnold
No Comments

One of the most common furnace problems that I see is when the furnace hot surface ignitor will not glow. The furnace may have a bad ignitor, loose wire connections, open limit switch, open rollout switch, open pressure switch, or bad control board. This is what you might see in the furnace sequence of operation.


Read More

Btu Buddy 130: Heat Pump Electrical Problems

By Bill Johnson
No Comments

Bob and Tim have gotten together for another informational session. Tim requested some extra after-hours training about heat pumps. In their last session, they talked about heat pump mechanical problems. This time they discuss electrical problems.


Read More

Troubleshooting Challenge: A Heat Pump Compressor That’s Not Running

By Jim Johnson
No Comments
In this month’s troubleshooting problem, we have a customer who can only tell us that the equipment that serves their small office “isn’t working.” When you arrive, you confirm that the building temperature is far from the thermostat set point even though the indoor fan motor is operating normally and the return air filter is clean.


Read More

Btu Buddy 129: Heat Pump Service Tips

By Bill Johnson
No Comments
Bob and Tim were taking a break and Bob began explaining some of the tips that he has learned in servicing heat pumps. Bob said, “Let’s go over some of the service problems that you may have with a heat pump.”


Read More

Leak Testing and Evacuation

Service Tips for Techs
By Mike Taitano
No Comments
For newer technicians on the job, here are a couple of HVAC service tips about leak testing and evacuating after repairing a system.


Read More

Multimedia

Videos

Image Galleries

2014 Energy Efficiency Forum

Highlights from the 25th annual Energy Efficiency Forum in Washington, D.C.

Podcasts

NEWSMakers: Jeremy Begley

Jeremy Begley, home-performance specialist and Web and social media manager with National Heating and Air Conditioning Co. in Cincinnati discusses how and why you should add home-performance philosophies to your contracting repertoire. Posted on Sept. 12.

More Podcasts

ACHRNEWS

NEWS 09-15-14 cover

2014 September 15

Check out the weekly edition of The NEWS today!

Table Of Contents Subscribe

Venting R-22

The NEWS reported that a man received prison time for venting R-22. Should EPA step up enforcement?
View Results Poll Archive

HVACR INDUSTRY STORE

plumbing-hvac.gif
2014 National Plumbing & HVAC Estimator

Every plumbing and HVAC estimator can use the cost estimates in this practical manual!

More Products

Clear Seas Research

 

Clear Seas ResearchWith access to over one million professionals and more than 60 industry-specific publications, Clear Seas Research offers relevant insights from those who know your industry best. Let us customize a market research solution that exceeds your marketing goals.

DON'T MISS A THING

Magazine image
 
Register today for complete access to ACHRNews.com. Get full access to the latest features, Extra Edition, and more.

STAY CONNECTED

facebook icontwitter iconyoutube iconLinkedIn i con