We collect basic website visitor information on this website and store it in cookies. We also utilize Google Analytics to track page view information to assist us in improving our website. Need furnace or AC repairs? Looking for a second opinion or a no-obligation quote? Trust Infiniti HVAC. Based in Kitchener and serving Cambridge, Waterloo, Guelph, Fergus, and Stratford, we are a licensed, insured, family-run HVAC company offering expert repair, maintenance, and replacement services.