How to Fix a Frozen Air Conditioner | Troubleshooting 101

What you will learn from the Frozen Air Conditioner article:

  1. the major two reasons why your air conditioner has ice on it somewhere (otherwise you likely wouldn’t be here)
  2. the difference between a heat pump and an air conditioner in winter and summer operation
  3. why airflow is essential to a central air conditioning system
  4. enough about HVAC refrigeration to help you determine the problem of a frozen air conditioner.

We have many other related articles. Use the search feature to the right to help you find other related articles. (more…)

Helping Your Air Conditioner – Beating the Heat

Helping Your Air Conditioner - Beating the Heat - The new house you just bought is not so cool and the air conditioner seems to run all the time. You begin to worry that maybe something is wrong with the air conditioner. You tolerate it for a while until your spouse broaches the subject a few hours later. Both of you discuss the matter and come to the conclusion that something is wrong with the air conditioner. (more…)

Air Conditioner Problems | HVAC Cooling

Air Conditioner Problems - As an HVAC technician I am aware of all the problems air conditioners can develop. Therefore, you will get a unique perspective on air conditioner problems. And hopefully, how to avoid these problems. Trane Condensing UnitAir conditioners have become a norm in today’s society. Forty or fifty years ago air conditioners were considered a luxury. Now there are building designs where the occupants must rely on air conditioning to remain comfortable.

Additionally, with higher energy costs it is important that our air conditioners are maintained. Hence, a properly maintained system uses less energy and repair costs are lower and less frequent.
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Troubleshooting Broken Thermostats | HVAC Control

What you will learn from the Troubleshooting Broken Thermostats article:

  1. One of the most common trouble calls for HVAC heating and cooling
  2. Basic checks of the HVAC System thermostat to see if it is broken or?
  3. The basics of the thermostat for an HVAC system
  4. Learn what a heating anticipator is and what type of thermostat uses them.
  5. Fixing a Broken Thermostat for an HVAC System
  6. Finally, lots of related useful links to help you learn your heating and cooling HVAC system

Troubleshooting Broken Thermostats - The main connection between the air conditioning and heating system and the end-user is the thermostat. Beyond the air conditioning and heating thermostat, many people know nothing about the HVAC systems that keep them comfortable year-round. While the thermostat may be the problem, make sure you eliminate other possible heating and cooling problems.
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Blank Display on Thermostat Problem – Screen Disappeared

Blank Display on Thermostat Problem
Blank Display on Thermostat Problem - Screen Disappeared - The thermostat display is our interface with our HVAC equipment. The display lets us know what the temperature is in the house. The display tells us what the desired settings are including letting us know the setpoint setting the temperature.

Some displays give us time, and the newer modern displays show us family photos like a screensaver on our computer. But what happens when the display is not there, or there is a blank thermostat display or no display on the thermostat?

Is it a bad thermostat or something else that caused the display to disappear? What do you do when the thermostat screen is not working? (more…)

How to Wire a Thermostat | HVAC Control

What You Will Learn from this How to Wire a Thermostat Article:

  1. the most common trouble call by service and repair HVAC companies
  2. about thermostat wire with a resource for more information
  3. the best advice for changing your thermostat
  4. the most common mistakes made by DIY thermostat changers
  5. the importance of identifying the type of HVAC system you have so you will select the proper thermostat.
  6. advisory and disclaimer for installing a new thermostat
  7. list of tools commonly needed to install a new thermostat
  8. step by step instructions on changing your thermostat along with hints and tips for making the job easier
  9. lots of extra links to other articles to make sure you completely understand everything you need to know. (and more about thermostats, thermostat wire, and installing a new thermostat)
  10. Resource to color codes to make it easier for installation.
  11. some thermostat wire diagrams at the end of the article
  12. You can save energy for your heating and cooling system by installing an energy-saving 7-day programmable thermostat or a setback thermostat.
  13. lots of comments from our readers
  14. thermostat wiring instructions are good for most low voltage room thermostats including a smart thermostat.

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