Reviews

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Greg Holzinger, Two years ago

I've been a Collier's customer for over 16 years, ever since they installed our geothermal system.
Every representative has always been punctual, courteous and thorough.
An absolute joy to work with!

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Jeffrey Souder, Two years ago

Great company to work with. We have them service our GeoThermal unit twice a year and they are always on schedule, always on time and always efficient.

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Eric Laymon, Two years ago

Been 3 years since the expert installation and flawless service.