Reasons why bigger heating cooling system is not always best solution for your home

Heating Cooling System – Bigger is not always Better

When it comes to purchasing new heating cooling system, proper system sizing is the first thing that must be considered. Improper heating cooling system sizing will cost you more money in future instead of savings. If your old units were not cooling or heating your home properly it doesn’t mean that bigger units would solve the problem. When you are thinking about new furnace and air conditioning units, it does not mean that big is better. You need a unit which would an exact match to your house size. Anything bigger would be a wrong choice for the following reasons:

The unit cycles on and off frequently

This is called short cycling, and it is a common symptom of an oversized heating cooling system. It means your HVAC system is working much harder, using more fuel but providing you with less comfortable conditions.

Higher energy bills every month

When your heating cooling system is larger than it needs to be, it is much less efficient than it should be. Oversized units waste energy since the equipment uses the most energy when it starts up. Bigger HVAC systems are big in capacity as is but also start up many times throughout the day and use more energy just to start up and function which will be reflected on your energy bills.

More breakdowns with bigger units

When you have bigger heating cooling system it turns on and off many times during the day and leads to a lot of wear and tear on the equipment’s parts. That means you will be repairing it more often and replacing it sooner than you think. You are setting yourself for a pattern where pats will be failing one after another causing you costly repairs.

Systems’ Life Span Reduced

Cycling and over working of your heating cooling system will definitely reduce the life span of your system. Normally, the life span of HVAC equipment is between 15-20 years and sometimes even more up to 30. With oversized system, the life span might fall short to less than 10 years which is very money wasting considering the fact that you will need to buy new equipment.
 

Humid Interior Due to Air Quality Problems

Because an oversized system has shorter run-times, air filtration is reduced. Air conditioners which are bigger than required will not run long enough to remove the dampness from the air which causes a very humid interior. Later on, you will have problems with mould growth, not just within your air conditioning units and duct work, but also in other areas of your house.

Heating Cooling System Freezing

When over sizing your Air Conditioner you will run into a problem where you will see ice building up around the gas line and furnace and eventually the equipment will shut down. You will run into this problem every time when air conditioner will be working for a consistent period.

 

For more information on properly sizing your HVAC equipment or to get a quote on replacing your existing system please contact us and we will be happy to assist you further.

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