A Central Air Conditioner is one of the most important cooling appliances in the summer for providing complete home air cooling solution. There are various heating and cooling brands manufacturing high efficiency central air conditioners. The commonly used HVAC brands are Lennox, Carrier, Amana, Rheem, Trane, Goodman and York by homeowners of Greater Toronto Area. If you are buying a new air conditioner or replacing the old one there are few thing to keep in mind like space, cost and installation. The central air condition is characterized by a central unit that fulfills the cooling comfort to the entire house with the use of air ducts. The cold air is uniformly distributed through air ducts to the living are of your home. In central air conditioning you can keep the entire home temperate to your desire degree with the use of smart thermostat. Thermostat is a brain of central air conditioner it control the temperature and on/off cycle of it. There are various type of thermostat sold by various heating and cooling appliance such as, manual, programmable and cloud thermostat. The programmable thermostat offers you to pre program the temperature of your home up to 4 days. With the use of this type of thermostat you can save up to 45% on your cooling bill. The most innovative thermostat is cloud thermostat. These thermostat are Wi-Fi enabled and gives liberty to the homeowner for controlling their central air conditioner from anywhere with the use of Smartphone, tablet, laptop and PC. With the use of cloud thermostat homeowners can save up to 65% of on their heating and cooling bills. The most important thing to consider while purchasing a central cooling unit for your home is its efficiency. As we all know that our central air conditioner works almost 24/7 during the hot summers to fulfill the home cooling task. This makes us understand how important the air conditioner efficiency is. The air conditioner efficiency is measure in SEER (Seasonal Energy Efficiency Ratio). The most commonly installed air conditioner unit in Greater Toronto Area is 13 SEER. However may also find up to 21 SEER central air conditioner in the market of heating and cooling Toronto. The choice of air conditioner is completely depend on the home cooling requirement and budget. The wise way is to collect more than 4 quote on central air conditioner from different heating and air conditioning contracting company and choose the one which offer you the best prices with best installation service.