Terms and conditions of contract these terms and conditions are part of the contract documents for any transaction between hannabery electric, inc. The goal of hvac design is to balance indoor environmental comfort with other factors such as installation cost, ease of maintenance, and energy efficiency. A type of current where the polarity is perpetually reversing, causing the directional flow in a circuit to reverse at regular intervals. With the hvac glossary of terms you can hopefully understand some of the jargon that gets thrown around. The more hvac terms you know, the easier it will be to understand the different options available to you.
Explanation of cooling and air conditioning terminology. The minimum percentage established by the doe for furnaces is 78%. Enter a zip below and get matched to toprated pros near you. Looking for information on a particular home improvement problem or f. Refrigerator which creates low temperature by using the cooling. A system or an assembly comprised of certain system components which are designed for the control of air temperature. The hvac industry can be a maze of unfamiliar acronyms and industry terms. Airconditioning hvac systems as they relate to energy code. If you know of something we missed please email us. A device used to turn a chemical from its gaseous form into its liquid form. Hvac term for a valve, either manual or automatic, that is used to remove unwanted air from the highest point of a piping system.
Heating and air conditioning terms can be confusing. Itll help you be more informed and might make you feel more comfortable in your decision. Kwh killowatt hour watts for 1 hour what you buy for about 10 cents. The higher the afue, the more efficient the furnace. It is heated or cooled by electrical means or by circulating liquid or steam within it. Heating in hvac can be any number of heating systems from gas furnaces, electric furnaces, oil furnaces, oil and gas boilers, radiant heating systems, and heat pumps. Get to know your hvac unit by learning the basic components. A matched system is the combination of trane products as every part of your system. Hvac zoning system an hvac zoning system also referred to as zoned hvac is a heating and cooling system that uses dampers in the ductwork to regulate and redirect air to specific areas of the home. This dictionary will help you navigate the most common terms youll come across during your buying decision. This allows for the creation of customized temperature zones throughout the home for increased comfort and efficiency. Not sure what your air conditioner repair man is talking about. Internal heat gain heat that is released within a structure or area.
Ammeters are always connected in series with the circuit to be tested. Absolute humidity the weight of water vapor in a given amount of air. Hvac glossary of terms commercial hvac terms lennox. Hvac stands for heating, ventilation, and air conditioning. Hvac terminology hvac glossary of terms american standard. A system or an assembly comprised of certain system components which are designed for the control of air temperature, relative humidity and air flow in a living or working space. This page contains a list of terms, words and meanings associated with a gas furnace andor heating system. Air handlers are connected to the ductwork within a space, and can operate at variable speeds.
High performance hvac is certain there are more terms and acronyms. Hvac fundamentals be familiar with basic hvac terminology understand the fundamentals of the refrigeration cycle know the four major components of anhvac system and be able to explain each function be knowledgeable about low voltage controls when you have completed this. Depending on your region, a matched system can be composed of the following. Unfortunately the heatingventilationair conditioning hvac industry routinely uses complicated and highly redundant terminology. Scroll down this page to find definitions of some of the most common terminology used when referring to home comfort systems, or click on any of the links throughout the site to return to this page. Your service technician should always talk in terms that you can relate to. Weve compiled some of our most frequently searched terms. During the winter, a heat pump draws heat from outdoor air and circulates it through the air ducts. All users of this site agree that access and use of this site are subject to the following terms and conditions and other applicable law. Introduction to commercial building hvac systems and energy. If youve had another companys technician at your home and heard a term that you did not understand, we hope our comfort glossary will help.
Understanding hvac terminology can make things go more smoothly on your next heating or cooling project. In addition, there are other factors that affect comfort but are not directly related to the hvac system. Hvac definitions in air conditioning and heating the name hvac is often used. Industryspecific terminology can be hard to follow, which is why we created a comprehensive page for you. A storage tank that receives liquid refrigerant from the evaporator, preventing refrigerant from flowing back into. Electrical current where the directional flow of the current reverses at regular intervals. In fact, the acronyms and terms that contractors and industry experts use to describe. Terms and technical definitions for heating, cooling and indoor air quality products afue. Hvac definitions and terms here are a list of definitions that are used daily in the hvac industry. Glossary of plumbing and other terms used in the text access chamber. Ashrae american society of heating, refrigerating, and air conditioning engineers. The discipline of hvac includes a large number of specialized terms and acronyms, many. Hvac glossary of terms carefree heating and cooling, llc.
Alternating current ac an electric current that reverses its direction many times a second at regular intervals. Air conditioning clinic trgtrc018en american standard inc. The purpose of this period is to provide a method for understanding the. Hvac definitions understand your service tech by ac. Browse through this dictionary of terms to get a better understanding. A big part of this equation is the extensive glossary of terms and acronyms associated with the typical heating and cooling system. This handy glossary of terms will tell you what you need to know when discussing your hvac system with a professional contractor. The term is normally associated with a fin and tube heat exchanger using refrigerant or water as the heat transfer medium. The a weighting scale is used to better estimate how the human ear hears sound pressure. The condenser transfers the heat extracted via the evaporator to someplace outside the system via water or air. Hvac and refrigeration glossary of terms hvacrinfo.
Explanation of cooling and air conditioning terminology for. An hvac zoning system also referred to as zoned hvac is a heating and cooling system that uses dampers in the ductwork to regulate and redirect air to specific areas of the home. To make things easier, we have created an hvac learning center, we call it hvac basics if havent yet read our introduction page, we encourage you to go back and take a look. A glossary of hvac terms confused by the many terms and acronyms surrounding your indoor comfort system. We have chosen to eliminate many of the words associated with other forms of heating or cooling a home unless they relate directly to the gas furnace system. Hvac commonly refers to heating, ventilation and air conditioning. Whether you are a service technician in the field, a dispatcher for an hvac company, or a homeowner just wondering what the heck the service technician is talking about, here are a list of hvac definitions that are used daily in the hvac industry. Learn vocabulary, terms, and more with flashcards, games, and other study tools. But this guide to common residential hvac terms will help you understand what many of those numbers and phrases actually mean. An opening into the ground from which drains can be inspected and rodded or cleaned out, both towards and away from a building, also acting as a junction into which the drainage from other plumbing fixtures may discharge into the horizontal drain. Component providing heat transfer to air when mounted inside an air handling unit or ductwork. Btus, tons, evaporators oh my need some definitions. Annualized fuel utilization efficiency is the fuel efficiency rating for warmair, gas or oilfired furnaces less than 150,000 btuh.
Examples include adequate lighting, and proper furniture and work surfaces. Hvac terms and definitions a short glossary if your air conditioner is nearing its end and youre in the process of trying to find a replacement, its important to know the industry jargon. Common hvac system terms and definitions glossary york. Hvac definitions understand your service tech by ac care. In the summer, it reverses the process and removes heat from the space and releases it outdoors. Apart from the terms related to mainframedriven cooling methodologies, there is an influx of new terms related to the server and rack enclosure architectures common in todays it environment.
Where both the condensing and evaporating mediums are air. Cold aisle is a layout design for server racks and other computing equipment in a data centre. An energy recovery ventilator erv is ideal for warm and humid climates, since it cools and dehumidifies the incoming outdoor air. The h stands for heating and comprises of all of the aforementioned ways of providing heat using different methods and different types of heating systems. Dissecting hvac systems some hvac systems address these comfort requirements better than others. With a variety of acronyms and an abundance of industryspecific language, it can feel overwhelming. Glossary of plumbing and other terms used in the text. Understanding electricity requires knowledge of these basic electrical terms. Hvac heating, ventilation, and air conditioning is a major subdiscipline of mechanical engineering. This means separate heating and cooling setpoints are needed. There are lots of fancy terms associated with your air conditioning system. Use this hvac glossary to brush up on heating and cooling resource terminology from american standard.
But when youre trying to understand the basics of your hvac system, you shouldnt need a reference book. Ammeter an instrument for measuring the flow of electrical current in amperes. Some seem pretty obvious, but others may be confusing for people who arent air conditioner professionals. Acid air flow distribution air handler algae amps azeotrope blower motor. Weve compiled some of our most frequently searched terms to make your life a little easier.
Heating, ventilation and air conditioning hvac terminology can be confusing and for good reason. The higher the afue percentage, the more efficient the furnace. Annualized fuel utilization efficiency is a measure of your furnaces heating efficiency. A ventilator is a device that replaces the stale, recirculated air inside your home with fresh, filtered outdoor air. Temperature at which all molecular motion ceases 460 f. Photo by summer galyan get quotes from up to 3 pros. Find the reliable definitions to hundreds of terms in syncquip mechanical groups hvac dictionary.
Hvac term for air having a temperature of 68 degrees f 20 degrees c and a relative humidity of 36% at 14. Terms and technical definitions for heating, cooling and indoor air quality products. A heat pump is an hvac unit that heats or cools by moving heat. A label attached to hvac systems that meet or exceed the epa guidelines for energy efficiency. Air conditioning glossary acronyms hvac industry terms. Our hvac glossary of terms is the goto place to look up that combination of letters that you have no idea what it means. If you do not agree to these terms and conditions, please do not use this site.
Hvacfrom%ato%z% heating, air conditioning hvac service info. Acid most commonly created in compressor burnouts, when the refrigerant reaches extremely high temperatures. Other acronyms less used to describe air conditioning and heating applications is hvacr or heating, ventilation, air conditioning, and refrigeration and hacr or heating, air conditioning and refrigeration. Substance with the ability to take up or absorb another substance. Hvac is a major subdiscipline of mechanical engineering.
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