Contact Us CMS Geothermal 130 Farnsworth Ave. Bordentown, NJ 08505 609-298-3018 Thank you for your interest in CMS Geothermal and a geothermal comfort system. Please fill out the form below and someone will contact you shortly. We'll answer any questions you have and can provide you with a free estimate for your unique geothermal situation in Central New Jersey and the surrounding region. Required Required Not a valid email Required Not a valid phone number My State of Residence Your Phone Type Apartment or Suite Number