“WE’RE NOT COMFORTABLE UNTIL YOU ARE.” With unparalleled customer service, we take pride in providing the highest standards possible in air conditioning and heating services. Sigwald Service Co. services the Coastal Bend region, including Portland, TX, Rockport, TX, Aransas Pass, TX, Ingleside, TX and the surrounding areas. Ensure your home stays comfortable year-round by making Sigwald Service Co. your go-to HVAC contractor in the Coastal Bend region. Our team of highly trained technicians serve both homeowners and business owners. We work with all HVAC makes and models and handle new installations, equipment replacements, AC repairs, heating repairs, and maintenance services.