Family Run and Local

Installing, repairing and maintaining quality heating and cooling products since 1981, St. Lawrence Heating (formerly PK Heating) is led by owner Peter Kishka. He is proud to be part of a family team that includes his wife and one of his sons.

St. Lawrence Heating serves Brockville and the surrounding areas. From Gananoque to Brockville to Kemptville and everywhere in between, we provide quality workmanship, friendly service and finding solutions that meet your exact needs in a timely and cost-effective manner. Our technicians have over 20 years of industry experience and provide a superior level of service.

Quality Policy

St. Lawrence Heating is committed to excellence, which reflects in the quality of our staff and the services we offer. We constantly strive to exceed safety standards and will always do what is right for you to ensure your home stays safe year round. We are confident in our ability to keep your home healthy and comfortable.

St. Lawrence Heating will keep your home healthy and comfortable throughout the year. Schedule service today or call to ask about our maintenance plans.  We also provide consultations to upgrade your heating and cooling systems to help save you money.

Peter and Lorraine Kishka



"We had a vision to develop a solid team of employees, to grow together as a family. This is what ultimately took our company to the next level."


Employed since 2013
Service Coordinator/Office Manager

"I enjoy working at St. Lawrence Heating. There is a sense of family. I have the chance to develop my own sense of initiative and expand my knowledge of the industry every day."