Stemerdink Services is a locally owned and operated HVAC and electrical contractor serving Kitchener, Waterloo, Guelph, and Cambridge since 1997. The company provides residential and light commercial solutions, backed by dedicated service and installation teams focused on prompt, professional, and courteous support. Its services include heating, ventilation, and air conditioning system installation, maintenance, and repairs, as well as electrical work for homes and small commercial properties.

Stemerdink also installs and repairs gas piping for appliances such as dryers, stoves, and water heaters, using professional-grade materials. For pools and spas, the company works with local pool businesses on new and renovated installations, obtains ESA permits, and provides warranty service for Jandy, Pentair, and Hayward pool heaters using original equipment manufacturer parts. Stemerdink is TSSA and ESA certified and offers emergency HVAC assistance around the clock.

Customers can book appointments and pay by Mastercard, Visa, e-transfer, or cheque. The company states that products it supplies are covered by a one-year warranty