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 »
Overview Main Components to Check First How to Buy a New Condenser Fan Motor Information Needed When Buying a New Motor How to Buy a New Condenser Fan Motor Capacitor Testing a Condenser Fan Motor Capacitor Replacing the Start Run Capacitor Replacing the Condenser Fan Motor Testing the Amperage Overview A bad condenser fan motor… Read More »
A noisy, loud air conditioner can be an annoyance, especially when sleeping or watching TV. Not all air conditioners are built the same when it comes to how much noise they make. Some are so quiet you don’t even know it has turned on, while others can wake you up in the middle of the… Read More »
A manifold gauge set is one of the most important tools of the HVAC trade. There are three different kinds of manifold gauges, including analog, digital, and Bluetooth units, that work with an app. Most technicians have learned with your typical analog gauges, and the colors blue, yellow, and red are very familiar. After analog,… Read More »
As an air conditioning unit ages, it can start to make rattling or buzzing sounds that can be distracting. A rattling or buzzing air conditioner unit is no doubt very annoying and can be fixed to operate more quietly. While calling an HVAC technician is always recommended, there are some things that the DIYer can… Read More »
A noisy, loud air conditioner or heat pump unit can be an annoyance, especially when sleeping or watching TV. HVAC calls for a noisy outside condenser is a common problem sometimes with complaints from neighbors with a room close to the unit. Not all heat pumps are made the same when it comes to how… Read More »
The HVAC EPA 608 exam is not difficult to pass but does require studying to be prepared. Taking practice tests and memorizing questions is the best way to pass the EPA 608 test. The test is made up of the Core, Type I, Type II, and Type III. The core must be taken and given… Read More »
Tin snips, also called aviation snips (though they are different), are the best hand tools available for cutting sheet metal. What is the Difference Between Yellow, Red, and Green Tin Snips? Red handle cuts left Green cuts right Yellow cuts straight The handles on tin snips are red, yellow, or green, which is not for… Read More »