Located in the Greater Toronto Area, Mueller Mechanical is your trusted supplier of Viessmann boilers, with a record of quality installation and service since 2011. With Mueller Mechanical, it is now easier than ever to keep your home or business as comfortable as possible.
Vitodens & Vitocrossal Banner

We provide two innovative and environmentally-friendly Viessmann boilers, built to maximize your comfort while minimizing your costs.

Reliable and Economical

Vitodens 200

  • Intelligent combustion control
  • Viessmann-made Stainless steel Inox-Radial heat exchanger
  • Modulating MatriX cylinder burner
  • Long lasting performance and optimal operational value

Vitocrossal 300

  • State-of-the-Art Condensing Technology
  • Viessmann-made Corrosion resistant stainless steel
  • Highly effective heat exchanger surfaces for low flue gas temperatures and high condensation rates

Benefits at a Glance

Vitodens 200

  • Outstanding value with advanced technology and the most standard features
  • Fast installation and reduced maintenance with Lambda Pro – Industry-first intelligent combustion management system
  • Lasting performance with proven Viessmann stainless steel Inox-Radial heat exchanger
  • Low-emission combustrion with Viessmann stainless steel MatriX cylinder burner for natural gas or propane
  • Powerful and user-friendly Viessmann Vitotronic on-board multi-function outdoor reset boiler and system control
  • Extremely quiet operation – quieter than most refrigerators
  • Lifetime warranty in residential applications

Vitocrossal 300

  • High operational reliability and long service live with the vertical Inox-Crossal heat exchanger surfaces
  • Highly efficient heat transfer and high condensation rate
  • Efficiency up to 98.3% through intensive flue gas condensation
  • Clean combustion
  • Easy handling in boiler rooms through particularly low build height and weight
  • Easy installation and elimination of wiring mistakes with Viessmann prewired plug-in system
  • Economical and reliable heating system operation
  • Standard LON BUS for complete integration into building management systems
  • Meets the stringent standards required to carry the Environmental Choice logo