HVAC Repair Grand Rapids MI | Call D & B Heat Transfer Products

We specialize in repairing industrial and heavy-duty cooling appliances, including radiators, charge air coolers, oil coolers, and DPF filters for trucks and equipment. Our services cover diagnostics, custom repairs, and replacements to keep your systems running smoothly, backed by over 50 years of experience in heat transfer technology.

While we focus on industrial heat transfer systems, we can assist with smart thermostat issues related to larger HVAC setups in commercial or industrial settings. For residential concerns, we recommend checking basic troubleshooting like Wi-Fi connectivity or consulting a residential HVAC specialist, but we're here to help with any cooling system questions you might have.

Yes, we serve customers across Michigan, Indiana, Ohio, Illinois, and throughout the USA. With over 50 years of experience, we offer sales, repairs, and custom solutions for industrial radiators and cooling components, ensuring reliable performance for heavy-duty applications nationwide.