serving London, ON since 1955
Best Air Conditioner Size?

Air Conditioner Sizing, What is Best?

To recommend the size of air conditioner your home will need, Salmon Plumbing & Heating runs through a series of calculations. Factors that we consider are:

If it is determined that your home requires a 2½ ton unit to meet design, you can choose anything between 2 ton and 3 ton and still meet code. The 2 ton unit will work fine on mild days, but will not keep up on design or over design days. If we have a stretch of weather over 86°F (30°C), or if you want to maintain an indoor temperature of 72°F (22°C), you should consider a 3 ton unit.

There is a price difference when you move up to a higher capacity unit. The price differences are not that great when you consider that you will likely own your unit for 15 years plus.

If you find your current equipment does not keep your home cool enough on very hot days, we have some recommendations:

We have had customers that report their air conditioning worked better after they replaced their furnace. Your furnace fan also impacts your system performance. New furnaces have more efficient fans that move more air.

Have us out to maintain your furnace and air conditioner annually. Our technicians can tell you if it looks like you should consider replacing your equipment. If it’s time to look at new equipment, we will visit your house for a no-cost, no-obligation assessment of your home comfort needs.

A new furnace and air conditioner will keep you more comfortable and are more energy efficient than older units. New equipment carries worry-free warranties of up to 12 years.

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