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MEET

OUR 

TECHs

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ISAI ESPINOSA

Service Technician 

Isai has worked for Excel Geothermal since 2014, and has gained experience installing and repairing Geothermal A/C systems specifically ClimateMaster and WaterFurnace.  He has an EPA, Universal, and Trilogy Certification. Isai is married and is also a father. Isai has a good sense of humor and considers himself an actor.

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JEFF PITTMAN

Service Technician 

Jeff has been working for Excel Geothermal since 2017. He has gained years of experience installing and repairing Geothermal A/C systems specifically ClimateMaster and WaterFurnace. He has a ClimateMaster Trilogy Certification and EPA. Jeff is married and has a daughter, he also likes to sing in the shower.

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Darcelle Smiley

Service Technician 

Darcelle has worked for Excel Geothermal since 2018. He has gained years of experience installing and repairing Geothermal A/C systems specifically ClimateMaster and WaterFurnace. He has an EPA, and Universal Certification. Darcelle is a husband and a father to his boys. Darcelle was a USMC Veteran, and is a vegan.

Our technicians are here to help you with your maintenance and service needs.

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 Joe Castillo

Service Technician 

Joe has worked for Excel Geothermal since 2021. He has gained years of experience installing and repairing Geothermal A/C systems specifically ClimateMaster and WaterFurnace. He has an EPA, and Universal Certification. Joe is a husband and a father.