Contact Us Conan Heating and Geothermal 429 West 18th St. Idaho Falls, ID 83402 208-522-3372 Thank you for your interest in Conan Heating and 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 Idaho Falls and the surrounding region. Required Required Not a valid email Required Not a valid phone number Your Religion Your work phone Your Phone Type