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 »
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 »
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 »
If your car or truck is not cooling and needs refrigerant added, depending on the type, it can be bought at many locations. Refrigerant can be bought in small bottles called recharging kits at Auto Part stores, Amazon, or eBay. Example R134 on Amazon Supertech R-134a Refrigerant Automotive use in a 12oz Self-Sealing Container Types… Read More »
Getting a swamp cooler ready for winter is an easy task that almost anyone can do. It does sometimes require climbing a ladder and using everyday tools such as pliers and screwdrivers, so if in doubt, always hire a professional to do it for you. Each evaporative swamp cooler will be slightly different depending on… Read More »
A CEER (Combined Energy Efficiency Ratio) rating is a new standard for room and window air conditioners that rates how efficiently they operate. The DOE (Department of Energy) created the new standard for window AC units in 2011 and implemented it in June 2014, and it has become the main way to see how efficient… Read More »
An HVAC unit needs the correct pressures to operate and heat or cool a space. If the refrigerant is too low or high, the unit will not operate correctly and cause problems such as freezing up or other issues. Since pressure changes as the temperature changes, a pressure temperature chart is used as a reference… Read More »
ECM motors are commonly used in HVAC systems these days as blower motors. This includes air conditioners, heat pumps, and furnaces. ECM Motors can adjust the airflow depending on what the system is getting for feedback. First of all, there are two components to an ECM motor the control module and the motor itself. The… Read More »
Securing an air conditioner with a security cage kit is something that can be done to help prevent a unit from being stolen or vandalized. How to Secure Air Conditioner Unit from Theft? The outside condenser can be protected from theft by a security cage. Security cages come in all shapes and sizes and can… Read More »