Detmer and Sons is now Ace Hardware Home Services! Ace Hardware Home Services acquired Detmer and Sons, the HVAC service experts of Ohio, creating a new opportunity to redefine helpful service in the heating and cooling business. Supporting over 5800 neighborhood stores across the country, Ace Hardware Home Services is a company dedicated to helpful service in local communities. Much like Detmer and Sons, Ace Hardware Home Services is dedicated to delivering an amazing experience to every customer, every time. Ace Hardware stores are locally owned and operated, with the goal to be helpful in the aisle and now in the home.