GeoTility » Find CaliforniaGeo Members in our Directory

This is the place where you can search our directory for members who can assist you with design, analysis, installation, and commissioning of geothermal heat pump projects for all types of buildings.


Contact: Stuart Yanow
Work Preston Washington 98050 United States Work Phone: 425-441-8036 Website: GeoTility Home Page


GeoTility has been designing, installing, and servicing heating and cooling systems for more than 30 years. In the early 1990’s we recognized the need for more efficient and environmentally friendly alternatives to help preserve our environment. We turned our attention to geothermal heating and cooling systems, which we believe are the most energy efficient, environmentally clean, and cost effective space conditioning systems available today.

Since then we have dedicated ourselves to being an industry leader by providing the highest quality products, technical knowledge, and service to our clients. We have completed hundreds of geothermal projects ranging in size from small residential projects to large commercial and institutional systems. We can provide full design/build services for the most ambitious projects. From large multi-use recreation facilities to resort hotels and office buildings, our extensive experience will ensure a successful geothermal installation of any size.

Our design and installation staff are fully certified by heat pump manufacturers and the International Ground Source Heat Pump Association, and our drilling division is overseen by some of the most knowledgeable and experienced drillers in Western Canada . We can design and install geothermal systems anywhere in Western Canada and the American Pacific Northwest. Regardless of size or location, we remain committed to providing the highest level of service to our past, present, and future customers.

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Preston Washington 98050 United States