Don's Heating and Cooling has been serving the Orangeville area for many years and more recently the Alliston area and wants to earn your business. Our loyal customers love our personalized treatment - it's what keeps them coming back. Our customers are like our family. Please, feel free to browse our entire site. You'll be sure to find what you are looking for. If not, give us a call and we'll talk pricing, toll free. Celebrating over 25 years!!! Don's Heating and Cooling Ltd. QUALITY is more than just a word, QUALITY starts with your first contact and continues through to our products, installations and our service. Our people are proud of the organization that they represent, which gives the customer the reassurance they deserve. For, we all believe in customer satisfaction. OUR PROMISE is to install or service the customers' equipment on time and to the highest standards possible. By attaining this excellence, we will maintain leadership in our industry.