3 Heating and Cooling Ratings You Should Know

3 Heating and Cooling Ratings You Should Know


If you are interested in 

upgrading your heating

 or cooling system, you’re going to come across some important acronyms as you compare systems. Understanding these HVAC system ratings will help you to narrow down your options to the best pick for your Loxley, Alabama, home.

Seasonal Energy Efficiency Ratio – SEER



If you are considering a new cooling system, the SEER will give you some important information about the unit’s efficiency. The SEER is calculated by dividing the cooling output over the course of a season by the seasonal electrical energy input. The higher the SEER rating, the more efficient your system. If you have an older system, it may have a SEER of six or lower. However, most systems manufactured today must have a minimum SEER of 14, and some rank in the 20s.

Annual Fuel Utilization Efficiency – AFUE



Central furnaces and boilers are rated using the AFUE. This number represents the ratio of annual heat output to the total fossil fuel energy consumption over the same period. If a furnace has an AFUE of 90 percent, this indicates that 90 percent of the energy from the fuel is converted to heat in the home, while the remaining 10 percent escapes. A mid-range system generally has an AFUE around 80 to 83 percent. High-efficiency systems have an AFUE of 90 or higher.

Minimum Efficiency Reporting Value – MERV



MERV ratings

 are used for HVAC filters. The lower the number, the less filtration you’re provided. A MERV of four or lower will only filter out particles of 10 pm or more, like dust mites. A MERV between five and eight is most common for residential buildings, filtering out particles as small as 3 microns, like mold spores. Superior residential systems may have a MERV up to 12, which will stop particles 1 microns in size or larger, like lead dust, auto emissions, and Legionella.

If you are considering a new heating or cooling system installation in your home, contact Keith Air Conditioning, Inc. at 251-317-9745 to 

learn more

 about your options.

Whether you require installation, repair, or maintenance, our technicians will assist you with top-quality service at any time of the day or night. Take comfort in knowing your indoor air quality is the best it can be with MOE heating & cooling services Ontario's solution for heating, air conditioning, and ventilation that’s cooler than the rest.
Contact us to schedule a visit. Our qualified team of technicians, are always ready to help you and guide you for heating and cooling issues. Weather you want to replace an old furnace or install a brand new air conditioner, we are here to help you. Our main office is at Kitchener but we can service most of Ontario's cities


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