Resources Print Heating and Cooling Education Centre Carbon Monoxide - what you need to know. Think Carefully Before Buying a Water Heater at the Door Maintaining your heating system is good for you - and it's the law Some Jobs Are Best Left to the Experts Heating, Ventilation, and Air-Conditioning (HVAC) The Hard Sell: Regular Maintenance on Your Heating and Cooling Systems Looking Beyond Price When Choosing a Contractor for Your Heating and Cooling Needs It's Time for Your Annual Check-Up Make Sure Your Home Heating Does Not Go to Waste Commercial HVAC Systems and the Importance of Regular Maintenance Optimize Your Air Conditioning System Four spring cleaning tips to save money on energy Refrigerants, New Regulations, and What You Need to Know