Evaporator

Air Conditioner Components | HVAC Cooling

Air Conditioner Components There are big differences between heat pumps and air conditioners. While the air conditioner provides cooling the heat pump will provide heating and cooling so the components inside the air conditioner differ from the components inside the heat pump system. I constantly get emails from people asking if they can convert their […]

What is a Metering Device – Refrigeration Components

What is a Metering Device – Refrigeration Components What you will learn from this article: 1) We will answer the question, “What is a metering device” by defining the various types of HVAC equipment that use different types of metering devices and why. 2) How the metering device is involved in the refrigeration cycle 3) […]

Evaporator Coil for Heat Pumps & Air Conditioners | HVAC Refrigeration

Evaporator Coil for Heat Pumps & Air Conditioners – the evaporator is responsible for absorbing heat into the coils and the refrigerant. The evaporator is an essential component of vapor compression refrigeration. This is usually done as result of passing air or water over the evaporator coil where a heat exchange process takes place. Heat leaves […]

The Condenser for Air Conditioners and Heat Pumps| HVAC Refrigeration

The Condenser for Air Conditioners and Heat Pumps The condenser coil receives the high pressure high temperature refrigerant vapor from the compressor and immediately begins to remove heat from the refrigerant vapor. As the refrigerant vapor makes its way through the condenser coil more and more heat is removed and the refrigerant vapor changes state […]

The Compressor | HVAC Refrigeration

The Compressor | HVAC Refrigeration In a typical HVAC air conditioner or heat pump there are four major components that make the process of refrigeration work. Basically, this is how air conditioners work. And how heat pumps work. The first component in the process is a compressor or the heart of any air conditioner or […]

Fixing a Refrigerant Leak | Air Conditioner & Heat Pump Diagnosis & Repair

Fixing a Refrigerant Leak Fixing a Refrigerant Leak – You had the new air conditioner or heat pump system installed some years ago and suddenly it stopped heating or cooling properly so you call the HVAC contractor to check it out. The HVAC technician arrives and spends about thirty minutes HVAC troubleshooting and then he comes […]

Duct Work and High Ceilings | HVAC Duct Work Systems

Duct Work and High Ceilings | HVAC Duct Work Systems Duct Work and High Ceilings – I did not see any reference to my question and would appreciate a response as soon as possible, as due to medical situation, have to make a decision soon. We own an OLD house with 13′ ceilings in a large […]

Air Handler Water Coil Freeze Stat | Freezing Protection Control

Air Handler Water Coil Freeze Stat Air Handler Water Coil Freeze Stat – The HVAC Air Handler Freeze Stat is a low temperature limit control and it is used mainly in commercial systems in the duct work on economizers or in air handlers just before any coil especially water coils. It is a safety and […]

Find Tonnage on AHU | HVAC Equipment Nomenclature

Find Tonnage on AHU | Equipment Nomenclature How do I find out the tonnage on a AHU? The label/tag has faded all I have on file is the model number and the serial number, make. Question Posted By Francisco the Building Engineer on May 3, 2011 Refer to the manufacturers website for their HVAC nomenclature […]

Refrigeration for HVAC | Air Conditioning and Heat Pumps

Refrigeration for HVAC Air conditioners and heat pumps use the process of refrigeration to provide heating and cooling. What is the definition of the process of refrigeration? Refrigeration is the process of moving heat and depending on whether it is a heat pump or air conditioner and what mode it is in will depend where […]

About Chilled Water Systems | HVAC Hydronics

About Chilled Water Systems | HVAC Hydronics About Chilled Water Systems – Chilled water systems are mainly used in large commercial HVAC air conditioning systems and industrial cooling applications although there are some residential and light commercial HVAC chilled water systems in use. Chilled water systems are popular because they use water as a refrigerant. […]

Air Conditioner Condensation Water Dripping – Condensate Leaks

Air Conditioner Condensation Water Dripping Air Conditioner Condensation Water Dripping – It’s the heat of summer or even the beginning of the season when you first turn on your air conditioner. Hopefully you’ve already had all the preventive maintenance checks done and there are no problems. Everything is working fine at least for now. Suddenly […]

Condensing Unit Frozen Wont Turn Off

Condensing Unit Frozen Wont Turn Off What you can expect to learn from this article: this article is an answer from a question taken from our email by a visitor to High Performance HVAC. We often use the questions we get in the email as a guide to write articles. The topic is a condensing unit that will […]

HVAC Compressor Failure – Air Conditioner Repair

HVAC Compressor Failure – Air Conditioner Repair What you will learn from this article: 1) discussion about HVAC compressor failure and how it is one of the most expensive air conditioner repairs 2) comprehensive list of reasons why HVAC compressors fail 3) actions to take to prevent compressor failure 4) the importance of doing the […]

Air Handler Components 3 | HVAC Air Handling

Air Handler Components: Hot Water Coil Heat Air Handler Components – Hot water coils inside of air handler units combine a boiler system or a special capacity hot water heater and forced air to provide forced-air heating. The concept is simple and used a lot in commercial and some in residential. Commercial systems almost exclusively […]

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