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AFUE, EER, HSPF: Learning the Language of Your HVAC System

Topics: HVAC Equipment, HVAC System

When you buy a new HVAC system, it can seem like learning a new language. AFUE, HSPF, EER… what do all those letters mean?

We’ve broken down the language of your HVAC system so you can decipher just what those energy ratings stand for.

AFUE (Annual Fuel Utilization Efficiency)

This is the standard measurement of efficiency for gas and oil-fired furnaces. Simply put, it can tell you how much fuel is being used to heat your home and how much fuel is being wasted. The higher your AFUE, the better. The minimum percentage is 78%.

HSPF (Heating Season Performance Factor)

HSPF gauges the efficiency of heat pumps. Again (this is a trend) the higher your HSPF, the better — more efficiency and more savings. New models must have at least a 6.8 HSPF.

BTUs (British Thermal Units)

BTU measures the amount of heat it takes to raise one pound of water by one degree Fahrenheit. The larger your BTU, the more heating or cooling capacity you need.

CFM (Cubic Feet per Minute)

CFM measures the airflow in your ducts.

EER (Energy Efficiency Ratio)

The EER measures the energy efficiency of air conditioners. The higher the EER, the more efficient the unit.

MERV (Minimum Efficiency Reporting Value)

MERV measures the efficiency of your furnace filters. The higher the MERV on your filter, the few dust particles, etc. that can pass through it.

SEER (Seasonal Energy Efficiency Rating)

Like EER, SEER measures the efficiency of air conditioners, but over the entire season. A higher SEER number means more efficiency and more energy savings. In Canada, all new products must have a 13.0 SEER rating or greater.

Now that you know what the HVAC energy ratings mean, you can put your new knowledge to use the next time you’re looking to upgrade your unit. HomeBridge Canada offers top-of-the-line, energy-efficient HVAC systems that will satisfy whatever acronym you need to meet and more.

Call us today at 1-866-876-9986 or visit www.homebridgecanada.com.