HeatingStaying warm through the coldest of Canadian winters. HeatingStaying warm through the coldest of Canadian winters.Learn More Air ConditioningCooling off in the comfort of your own home. Air ConditioningCooling off in the comfort of your own home.Learn More Air QualityBreathe easier in a healthier indoor environment. Air QualityBreathe easier in a healthier indoor environment.Learn More Additional Services HVAC Design and Installation We install new heating, ventilation and air conditioners and work on virtually any existing units that need service or maintenance. Ductless Split AC Systems Crozier Heating can solve your tight space air conditioning problems with a ductless split AC system. Maintenance and Repair We provide maintenance and repair to virtually any gas furnace, and for air conditioners and filtration systems. Air Conditioner Replacement Is your AC not doing its job or is so inefficient that your electricity bill is soaring? We have solutions to solve these problems! Indoor Air Quality Testing Not happy with your indoor air quality?We can help!