Sigwald Service Co. is one of the leading HVAC installers and repair companies in the Coastal Bend region. Each time we step onto a job, our highly trained HVAC technicians deliver exceptional service.

New HVAC Systems

At Sigwald Service Co., we specialize in new residential and commercial heating and AC installation in the Rockport, Portland, Aransas Pass and Ingleside, Texas areas.

Service & Repair

We’re the HVAC team to call when you need fast service. At Sigwald Service Co., you can trust that your service and repairs will be handled in a timely, honest fashion.
HVAC Repair

Priority Service

Our Membership program will help prevent untimely breakdowns and repairs. Additionally, you’ll be put at the front of the line and get our next available technician to service your equipment quickly.