Heating & Cooling Service in Toronto

FAQ

• What is meant by a 'ton' of refrigeration?

  Confusingly, the unit has little to do with weight, as used in everyday language. One ton of refrigeration is the term used to refer to 12,000 B.T.U.s/hour (British Thermal Units/Hour) of cooling effect. Thus, a condensing unit with a cooling capacity of 60,000 B.T.U.s/hour is said to have a capacity of 5 tons.
  

• Is HVAC with more capacity better?

  No. Larger system is more expensive to operate, and it delivers less comfort. A system is the least efficient when first turning on. HVAC with too much capacity will continuously turn on and off, proving to be less efficient than the HVAC of the right size for your space. It is important to remember that an air conditioner dehumidifies air only when it is on, thus the HVAC with more capacity will not perform the job very well.
  Should I close the registers and doors to areas I am not using?
  Every system is made to cool a defined number of square feet. If you close the registers and/or doors to certain rooms that you do not use, you disrupt the airflow, and your system will work harder to circulate air to those areas. It will use more energy to cool less space, making it less efficient.
  
  

• What size HVAC system is right for my home?

  There are several factors that need to be considered when choosing the size of HVAC for your space. Some of them are the height of the ceiling, size of the window, placement of the window. There are dozens of other variables that have to be taken into consideration when choosing a proper size for a heating and/or cooling system. A professional load calculation is a must for an effective system.
  

• What temperature of the air should my AC produce?

  The temperature of the air that your system produces depends on the temperature of the air going in. The air produced should be 18 to 20 degrees lower than what enters the system. Thus, if the air entering the system is 70°, the air exiting should be about 50°-52°. This only works if the system has been on and running for at least 15 minutes. On a mild day, the air coming out could be 15°-17° cooler than what enters.
  

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