Window-mounted air conditioning units come in all shapes and sizes, from small to large units. Many small-sized units are available to fit into a small window or small room that needs to be cooled. What is the Smallest Window Air Conditioner Available? The smallest window air conditioner we have been able to find is the… Read More »
Finding a refrigerant leak in an HVAC system can be easy at times, and other times, almost impossible. One method is to use a bubbly liquid sprayed around where a possible leak is to visibly see the location of the leak. Using this method does work but often requires lots of time, especially for small,… Read More »
If you have an error code on a Daikin mini split, the problem can be found by using a chart with the codes listed. Sometimes Daikin unit will not be working, and no code displays, in which case the remote control can be used to find the error code. To use the remote control to… Read More »
Window mounted air conditioning units are widely used in many scenarios to help cool a space. There are many available, from small units to quality quiet models; all built to fit a set scenario, such as a large or small room. How Many BTUs is a Large Window Air Conditioner? BTU is a measurement of… Read More »
If you have a Pioneer or ComfortStar mini split that gives an F0 error code, it is a Compressor Overload Current Protection error. Several things can cause an F0 error code on a mini split, and the error can be manufacturer specific. The most common fix is to turn the unit off at the Breaker… Read More »
An EC error code on a mini split usually indicates a Refrigerant Leakage Detection Error. This means the system has detected a leak. While there may be a leak in the unit, keep in mind sensors, and boards can also malfunction and cause the EC error code. This includes Pioneer, Carrier, and more units but… Read More »
If you have a mini split with an E7 error code, the usual cause is a mode conflict or a communication issue. There are also a few things a DIY type person can do before calling an HVAC tech. Of course, if in doubt, always call a professional HVAC tech. Below are the things to… Read More »
R410A Refrigerant Pressure Temperature Chart R134A Refrigerant Pressure Temperature Chart R404 Refrigerant Pressure Temperature Chart R22 Refrigerant Pressure Temperature Chart Pressure Temp Chart R-11, R-12, R-22, R123, R134A, R404A, R-500, R502 Using an HVAC refrigerant pressure temperature chart is necessary to be sure a unit is operating correctly. Below are three free pressure temperature charts… Read More »
Having a good refrigerant scale is an important tool for an HVAC technician, mainly when adding refrigerant to a system. Knowing the exact amount of refrigerant that is added to a system is crucial in getting a job done right. What is an HVAC Refrigerant Scale? An HVAC refrigerant scale measures the amount of refrigerant… Read More »
There are many reasons a window air conditioning unit is not blowing cold air, from a dirty filter to simply being worn out. Below are the seven most common reasons why a unit stops blowing cold air into a room. If you have a unit that is not working and the cause is not on… Read More »