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What Size Air Conditioner Do I Need?

What Size Air Conditioner Do I Need?

An image of air conditioners of different sizes

Cooling your home with the right HVAC system helps you maintain a pleasant indoor climate while also adhering to the Canada Greener Homes Grant in some cases. Professional installation is a must, but you should figure out one thing before you arrange for that. You need to have some idea what size air conditioner you need.

How Air Conditioner Sizes Are Determined?

To determine the size of the air conditioning system you need, just multiply the width times the length of the room or home that will get cooled. Then, multiply that number by 25 BTU. This should generate enough cooling, regardless of conditions, ranging from hot, humid summer days to moist and rainy days. If you're only cooling one room that is 12 feet wide and 15 feet long, the two numbers multiply to 180. Multiplying that by 25 BTU for each square foot puts your minimum at 4500 BTU overall.

Things To Consider for Your Air Conditioner

Just buying a new air conditioner is a big investment, but it's not the only cost involved. Does your home have ductwork for it? Where will you put it? How much will you pay for the power usage, increase in your homeowner's insurance, and installation of the unit? Add all these up.

Importance of a Proper Size Air Conditioner

An undersized air conditioner will struggle to cool your home properly, meaning it will consume more power than is necessary and break down faster than it should. That will result in more repairs and earlier replacements. Alternatively, an overpowered system won't run long enough when it's on to actually get heat and moisture out of the air, meaning it will start up and run more often, also wearing it down faster than necessary.

If you decide to install an air conditioner in your home in Toronto & GTA, then you're doing something big for your home. Picking the wrong size of unit can seriously impact the energy cost you have each month. A professional evaluation from A Plus Quality Inc can determine your optimal cooling capacity.

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FAQ

  • Why should I maintain my Furnace or AC?

    An annual maintenance will extend the lifetime of your heating and cooling unit. The technician will diagnose and repair any problem with the unit before it fails, so you won't need to worry about any problems when the weather gets very hot in the summer or extremely cold in the winter.

  • Why is there ice building up on the copper pipes?

    There can be many reasons why the refrigerant pipes are freezing up but the most common issue is low refrigerant levels. If your AC unit has ice buildup turn off the unit for at least 4 hours and call us at 416-410-0337

  • Water is Leaking on my Furnace

    Water falling on to the furnace can harm your heating unit by affecting the control boards and other components enclosed in the furnace. There can be many causes to the water overflow, but the most common cases in the summer is the ice build up inside the evaporator coil due to low refrigerant level. Water build up can also be due to the evaporator coil having a crack on the base, if this is the case contact us by booking an appointment or call us today to have a technician come have a look at your unit and repair this issue before it causes excessive damage.  

  • How do I know what size unit I need?
    If you have any problems with your system, you should contact the contractor who installed the units. All our systems are covered by a 5 year parts, 7 year compressor limited warranty
     
  • What are mini-split advantages?

    Just as the name implies, a “mini-split” system is a “split system” however available in smaller capacities, for single room to whole house conditioning. Mini-split systems may range from as small as 9,000 BTUh per hour, comparable to say, a small window AC unit, for individual room use, up to 4 and 5 ton capacities for “Room By Room” (also known as “Zoning”) and whole house conditioning. With near universal design, mini-splits are “heat pumps” which provide both heating and cooling for a home. Here are key advantages when compared to traditional split systems:

    Efficiency- Mini-splits are highly engineered systems which offer attractive operating efficiencies, in many instances, eligible for utility company rebates.
    Heat Pump- Most mini-split systems are heat pumps, providing year-round comfort.
    Solar friendly- Due to very low power requirements, mini-splits are an ideal complement to “Net Zero Energy” homes, or any home using renewable power.
    Carbon footprint- Mini-splits are 100% electric, with zero operating emissions of any type.
    Zoning- Most mini-split manufacturers offer systems capable of room-by-room “zoning”, to account for peak demands of a room based upon construction type, exposure orientation and usage.
    Variable capacity- Mini-splits are typically DC inverter driven. That is, a variable speed compressor which modulates in proportion to instantaneous demand. Most conventional split systems, by comparison, operate with an ON-OFF strategy. (Would you use an ON-OFF switch as the accelerator in your vehicle?)
    Location, Location, Location!- Mini-split outdoor units are compact; they can be located far away from noise-sensitive areas, such as bedrooms and home offices. Mini-split indoor units have the ability to be installed where conventional systems cannot.
    They’re perfect for additions and remodels where access to current HVAC system is difficult to access.
    Modern mini-split systems are remarkably quiet; in fact, many times their operation is unnoticed by the end user.

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