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 »
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 »
If you have an air conditioning unit and the outside condensing fan does not shut off, there are a few common things that cause the issue. What is a Condensing Fan Motor? The condensing fan motor is located on the outside air conditioning unit and blows hot air away from the HVAC system. Refrigerant is… Read More »
Cleaning a window air conditioner unit is something that needs to be done at least every 2-3 years to keep the unit operating the best it possibly can. Many clean the unit at the end of the cooling season, but they can be cleaned at any time, especially if a unit is very dirty. Items… Read More »
Multi Zone mini split systems are widely used when more than one room needs to be heated and cooled. Single zone systems are the most common mini split units installed, which are great when heating and cooling a single room or addition. When more than one room needs air conditioning or heating, 2, 3, 4,… Read More »
Do-It-Yourself mini-split heat pumps have become very popular since they work very well and are perfect for the DIY type person. They save money since no HVAC company is needed and work very well at heating and cooling room additions, garages, or most anyplace heating and cooling is needed. MRCOOL is one such mini split… Read More »
The most common method for installing a mini split outside condenser is on the ground, but it can also be installed on a wall. There is no single way to install a mini split, with each install different needing to match the owner preference, home, and climate. Both ground and wall mount methods have their… Read More »