Like a lot of other industries that are continually evolving, the HVAC systems that are sold today are the product of all the innovations that have been going on for the last twenty years. Making sure that the system you’re thinking of buying has all of the latest advances – these will save you on heating costs and help the environment at the same time; a good move, whether you’re shopping for a home or commercial HVAC unit. There have been several advances where air conditioners are concerned – the scroll compressor used in certain Lennox models uses chlorine-free R-410A refrigerant as an environmentally friendly alternative to Freon and as a result of these improvements they now boast SEER ratings as high as 21. Looking for the right furnace has also taken on new parameters in the last twenty years and there are models on the market today that boast up to 98 per cent AFUE ratings, the benchmark used to measure annual fuel utilization efficiency. Variable speed motor technology was another benefit that saw the entire industry move forward toward better SEER (Seasonal Energy Efficiency Ratings) for units that were designed for cooling in the summer months. This technology also significantly improves comfort by keeping your house at an even temperature and allows the Lennox products to be the quietest on the market. A good air purifier or air cleaner is also a great companion to your HVAC system. Unlike other models, the Lennox PureAir Air Purification System does not produce any ozone and has the highest Minimum Efficiency Reporting Value (MERV) compared to the competition. This system also has UV germicidal lights that dramatically reduce microorganisms. It’s like having hospital clean air in your home. Oosterveld Heating and Air Conditioning is a family-owned and operated business servicing Guelph and the surrounding areas. You can see their fine selection of Lennox equipment at www.oosterveldheating.com or call them at 519-837-2351. Currently you can receive up to a $1375 rebate when you buy a qualifying Lennox home comfort system. It’s called the Spring 2012 Customer Promotion and it’s on now (March 12th-June 1st, 2012).