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6 HVAC Jargons that You Must Know

HVAC terms and use may be confusing to many. Know these terms and get familiarize yourself because sooner or later you'll use these.

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HVAC Jargons


Confusing it may seems but yes, there are HVAC Jargons we need to know. Today, a lot of users and homeowners must know these. The reason is, when the time comes that they need a professional to fix their HVAC, knowing and using these terms will be a great help.

From heating to air conditioning units, The HVAC industry has reached its trends with abbreviated words. Here are top 10 on our list:


It stands for British Thermal Unit which is a unit of heat that is part of the British Imperial unit system. It is the traditional unit of heat that is defined as the amount of heat which is needed to increase the temperature of one pound of water by one degree Fahrenheit. The truth is, even small heaters or air conditioners is no exception to have high BTU numbers. The thing is, the larger your home, the higher the BTU.


This is short or Cubic Feet per Minute. Today, it is a measurement used to show the velocity at which air flows in or out of an area. It is very useful to describe a fan’s efficiency as far as airflow is concerned. In other words, this is also a means to measure how much a structure, it may room or hall needs for heating. To get CFM, multiply the room’s volume by the number of times the heated air gets changed hourly, then divide that number by 60.


It means Heating Seasonal Performance Factor and it is the term used to measure the efficiency of air source heat pumps and many times, air conditioners are also rated trough this. An important note,  the higher the HSPF rating on a unit, the more energy efficient it will also be.

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Hybrid Heat

It is the term used to responds in fluctuating temperatures. Automatically, it adjusts to the most energy saving method available to heat or cool a home. Generally, hybrid heat is often used as a fuel-saving alternative to traditional heating and cooling systems. It will also help you choose the best system for homes which is designed to maximize comfort. When temperature drops outside, the system automatically switches to your second heating source. In this way, it becomes the most economical thing to welcome you in comfort.



It means Minimum Efficiency Reporting Value and is a measurement scale used to rate the effectiveness on its air filters. This is very notable that the ratings are from 1 to 16. It’s primarily used to show the worst-case performance of a filter when dealing with harmful air particles that are captured. For example, a MERV 16 filter could capture more than 95% of the particles


This term is abbreviated to Seasonal Energy Efficiency Ratio that is used to rate the efficiency of air conditioners. It is computed through the cooling output during a cooling season divided by the total electrical energy input during that season. Know that the higher the unit is rated, the more energy efficient it is.

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HVAC Jargons for HVAC professionals

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Patricia Ann


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