Thermal Air

We are a locally owned HVAC and plumbing company proudly serving Grand Forks and the surrounding communities since 2018. Founded by Daryl Wockenfuss after years of industry experience, we built our company on the belief that customers and employees should be treated like family.

As a majority woman-owned business, we combine hands-on expertise with strong customer service to deliver reliable heating, cooling, and plumbing solutions. Our team brings decades of combined experience, and we focus on providing high-quality workmanship, fast response times, and dependable service for both residential and commercial clients.

Whether it’s installation, repair, or maintenance, we offer solutions for all budgets while prioritizing comfort, safety, and long-term system performance.