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