Andrew Grzadziel, owner of GRZ LLC, has over 30 years of experience in design and construction and a degree in civil engineering.  He designs and builds custom high-efficiency masonry heaters and kachelofens . As a Certified Heater Mason, Andrew applies his knowledge to design custom heaters to meet the aesthetic and functional needs of his clients.  In addition, Andrew is also a Certified Rumford Fireplace Mason.

Clients may choose to include in-bake ovens and benches in their designs.  They may also elect to use brick, ceramic tile, soapstone, stucco, or other varieties of stone for the structural surface of their heaters.

Company Information

Custom designed home heating, with style and function!


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Visit us:

115 Pythian Avenue

Torrington, CT 06790

United States



Copyright © 2010 EPA Burn Wise Program, produced by Chris Wetzel