Our Company

Your HVAC Manufacturer’s Representative: Gunn & Pegelow

When you need the support of an expert HVAC manufacturers representative who understands your challenges and provides unique solutions best suited to your application and industry, turn to Gunn & Pegelow.

Since 1954, we have represented premier HVAC manufacturers and paired our clients with tailored solutions that best suit their needs. Originally representing Reznor products in the Greater Chicagoland region, today we have operations in Illinois, Wisconsin, Upper Michigan, Indiana, Missouri, and Texas working with a wide range of industry-leading HVAC manufacturers.

We are committed to excellence through partnership, and look forward to working with you. Contact us to explore your project needs.

About Us

Explore our history and how we’ve expanded the support and value we deliver to our customers over the decades.

Your HVAC Partner: Gunn & Pegelow

Growth and innovation are at the heart of our ability to serve your HVAC needs. Read about our recent acquisition of the BTU Company and how this change has expanded our capabilities as comprehensive solutions providers.

The Team

At Gunn & Pegelow, our successful HVAC solutions are made possible through a dedicated team of expert professionals who strive to build the perfect plan for your needs. Learn more about our team.

Who We Serve

Explore the ways we serve engineers, contractors, and distributors — and the impacts that our tailored HVAC solutions have on building owners and designers alike.

Connect with Our HVAC Sales Engineers Today

At Gunn & Pegelow, our vision is to serve as key partners to our manufacturers and our customers and provide simple solutions with the highest service levels possible. We meet the needs of our customers with extensive applicational knowledge about the products we represent, in turn extending our partnerships to you with best-in-class HVAC equipment suited for your unique project needs.

Our experience, knowledge, and commitment to above-and-beyond service make us an ideal partner for a wide range of project types. Whether you require a restaurant patio heating layout, laboratory ventilation equipment selections, or another specialized solution somewhere in between, our sales engineers will provide the level of expertise and tailored support you need to discover your ideal equipment.