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Increased Efficiency & Reduced Spending

How Efficiency Ratings Can Save You Money

By 
 | 
Product Expert

Homeowners searching for the best, new HVAC system will want one that's more efficient and performs better than the system they're replacing.

While we all want our HVAC system to get the job done, the true test is efficiency.

Knowing the different measurements of efficiency will help you find the system that can deliver the best results at the lowest cost to you.

What do SEER & EER Mean?
SEER is the Seasonal Energy Efficiency Ratio. It's a measure of energy efficiency that takes into account seasonal fluctuations. This means that instead of measuring how efficient it is in a controlled environment running all the time, it takes into account increases and decreases in use due to seasonal changes. As we know, home air conditioners don't run consistently year round, they work more in extreme weather and less in mild weather. This makes SEER the more informative efficiency rating for homeowners.

EER is also a measure of cooling efficiency, but doesn't take into account seasonal changes and usage patterns. This measurement of efficiency is better used when searching for a system to use in a space that requires constant cooling. For example, a server room where the environmental factors are steady.

Learn More About SEER, EER, HSPF, & AFUE Ratings


What does HSPF Mean?
HSPF stands for Heating Seasonal Performance Factor. Like SEER, it's seasonally adjusted, where HSPF is used in determining only the efficiency of a heat pump system. The cooling efficiency of a heat pump is still measured using SEER/EER.

Read More About HSPF & Other Efficiency Ratings


Calculating the Savings
You may be wondering what all of this means to you. The first thing you should understand is that a higher efficiency rating means that you will spend less on energy costs to stay comfortable. But how much less will you save? Use the calculations below to estimate your energy cost savings based on the efficiency ratings.

Savings Calculator


Finding the Savings
However; if you'd rather avoid doing math, here's handy table to help you find the approximate savings. Just locate the high SEER (more efficient model) and the low SEER (less efficient model), and follow the row and column until they meet. In the intersection of the two is the percentage of savings you'll see from choosing the more efficient system.

Lower SEER
1012141618202224
Higher SEER
1323%8%
1533%30%7%
1741%29%18%6%
1947%37%26%16%5%
2152%43%33%24%14%5%
2357%48%39%30%22%13%4%
2560%52%44%36%28%20%12%4%
2763%56%48%41%33%26%19%11%
2966%59%52%45%38%31%24%17%
3168%61%55%48%42%35%29%23%

Lower HSPF
678910111213
Higher HSPF
825%13%
1533%30%7%
1741%29%18%6%
1947%37%26%16%5%
2152%43%33%24%14%5%
2357%48%39%30%22%13%4%
2560%52%44%36%28%20%12%4%
2763%56%48%41%33%26%19%11%
2966%59%52%45%38%31%24%17%
3168%61%55%48%42%35%29%23%


ENERGY STAR PRODUCTS
ENERGY STARProducts earn ENERGY STAR certification when they exceed specific efficiency criteria. For air conditioners, ENERGY STAR products must meet pre-set SEER and EER ratings. Heat Pumps must also meet HSPF ratings.

Products that are ENERGY STAR certified help you quickly identify higher efficiency products that will help to reduce energy costs. You can learn more at: Energy Star.

Read More: How To Remove Humidity Using A Mini Split System


NEXT: Cooling Only vs Heat Pump Mini Splits

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