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Rightsizing – How It Pays Off

Prejean is the Business and Finance Blog covering topics such as Business, Finance, Insurance, Investing and Home Based Business

When you go to buy a dress or a suit for a formal event, you want the outfit to fit you right, and make you feel comfortable wearing it. Usually you will need to go to a tailor, to have them adjust the garment to your size to fit your body appropriately. This “right sizing” is also involved in installing HVAC systems. Did you know that most of the HVAC systems installed today are not sized appropriately to the homes they are used for?


This means that if the HVAC system is too small for the home it will wear out way before it should and cost too much to run. If the HVAC system is too big for the home it will not be able to work properly and still cost more money to operate. Finding the right sized HVAC system for your home is often not thought of when it comes to purchasing a new system, but it is one decision that is crucial to the efficiency of the system. Here are some knowledgeable tips when you need to install a new HVAC system.

Size Does Matter

Most HVAC companies want to try and sell their customers bigger size systems than needed. The bigger the system the more money there is to be made. Bigger systems are not the way to go; there is a precise way to determine if the system to be installed is right for your home.

HVAC contractors and their employees should be using a load calculator equation to determine the size of your HVAC system and the SEER (Seasonal Energy Efficiency Ratio) rating that your home will need. The higher the SEER is the more efficient your HVAC system will be, but they are also more expensive.

Rule of Thumb

If you have an HVAC contractor that tries to tell you that they are going by the “rule of thumb” when determining what size HVAC system they are going to install; get a new contractor! The rule of thumb worked in decades past, when HVAC systems were not as advanced as the HVAC systems of today.

You cannot determine the HVAC system size just by the square footage of your home. As stated about the HVAC system needs to be the right size for your home or it will end up costing you more than it should.


Another thing that needs to be taken into consideration aside from HVAC systems is the ductwork. Ductwork is the system of ducts that the air flows through from room to room. Most times when a system change out is involved the HVAC contractors and the home owners tend to not think about the ductwork system.

This is a huge mistake however, because when installing a new system often times the ductwork is not adequate for the newer HVAC system. Always make sure that when it comes time to change out your old HVAC system that your contractor checks your ductwork as well.


All in all, the right person to decide whether or not the system is the right size for your home or not, is an HVAC professional. Make sure to find a reputable company that is up to date on SEER ratings, and does not employ “the rule of thumb.” A good HVAC company will take their time when determining what size HVAC system to use for your home. They will not just ask you how big your home is, and then base their decision on that alone.

You don’t want to have to pay for enormous utility bills. You don’t want to have to pay for another new HVAC system in less than three years either. Finding the right size unit for your home is essential to a comfortable lifestyle for you and your family.

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