​​​​Plumbing- HeatinG- a/c


After Hours? Not a problem, call our emergency phone number  519-857-8627

OPEN 8:00 A.M-4:00 P.M Monday-Friday

At Hessey Bros we install primarily Viessmann boilers. Viessmann products can be installed in new construction or retrofits, there are a wide variety of solutions. They are the industry's pioneers when it comes to state-of-the-art technology, accessibility, and efficiency. We have come to expect a significant amount from our heating technology and Viessmann delivers.

See a comparison of the different Viessman boilers here.

Boiler Service

Our experienced technicians can repair and provide maintenance on most boilers: Hydrotherm, IBC, Laars, Munchkin, New York Thermal, NTI, Prestige, Teledyne-Laars, Triangle Tube, Trinity, Viessmann, and Weil-McLain. If you do not see your brand, please feel free to ask!


Boiler Installation

If you own a boiler that is vented by natural draft or one that goes up the chimney. The TSSA mandates you have an annual boiler inspection to check the Carbon Monoxide content of the flue gasses.

Read more here

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