Contact Us Air & Heat Service Co. 129 Tuttle Lane Byhalia, MS 38611 888-845-9580 Thank you for your interest in Air & Heat Service Co. 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 Olive Branch and the surrounding region. Required Required Not a valid email Required Not a valid phone number Favorite Color Your Name Favorite Highway