 Buy five, save five dollars this week at Meijer and pay the same low price in-store and online. Exclusions apply. See all deals in-store or in the Meijer app. Beat the summer heat and the winter cold with a new carrier high-efficiency comfort system installed by Doty Mechanical. Doty Mechanical is your preferred carrier factory-authorized dealer, installing and servicing carrier products in mid-Michigan for over 30 years.