Dunham-Bush USA
HVAC Solutions Engineered Around Your Facility
Backed by 130+ Years of Proven Performance
We combine proven performance with engineered flexibility to deliver HVAC systems that fit your facility, optimize energy use, and perform reliably year after year.
Coverage // Wide Service Network
System Capabilities
Engineering Heritage
Est. 1894
Dunham-Bush — Springfield, MA, USA
Product Matrix
Commercial HVAC Solutions by System Type
Water-Cooled Chillers
High-efficiency centrifugal and screw chillers for large-scale facilities with cooling towers.
Air-Cooled Chillers
Reliable, space-efficient solutions eliminating the need for a cooling tower.
Heat Pumps
High-performance heat pumps for year-round heating and cooling in commercial applications.
Airside Solutions
Air handling units, fan coils, and ventilation systems engineered for your space requirements.
Packaged / Light Commercial
Rooftop units and self-contained systems for light commercial applications.
Specialty Products
Custom-engineered solutions for mission-critical, process, and non-standard applications.
Commercial HVAC FAQs
Not Sure Where to Start? Start with the Right Questions.
From chiller selection to service support, these answers help engineers, contractors, facility teams, and owners understand which Dunham-Bush USA path may fit their project.
Proven in the Field
Real Projects, Real Results
Supporting Resources
Technical Resources for Better HVAC Decisions
Explore product guidance, application insights, engineering resources, and project considerations built for technical decision-makers.
Chiller Selection Guide
Navigate water-cooled vs. air-cooled decisions with capacity, efficiency, and space criteria.
Air-Cooled vs. Water-Cooled Systems
Side-by-side analysis of system types for different facility constraints and project goals.
Open Controls and BMS Integration
How Dunham-Bush open-protocol systems integrate with building management and automation.
Designing Around Space Constraints
Application guidance for mechanical rooms, rooftop installations, and tight-footprint projects.
Contractor Startup & Serviceability Checklist
Field-ready documentation covering pre-startup, commissioning, and serviceability requirements.
Project Proof & Case Studies
Real-world project examples demonstrating DB Americas system performance and ROI.
Contact
Have a Project with Unique Requirements?
Tell us about your application, facility, or product needs. We’ll help route you toward the right product path, local contact, or support contact.
Support & Warranty
Wide Service Network Across the Americas
Dunham-Bush USA helps connect customers with authorized service, warranty support, and local contacts throughout the Americas.
Find Service Support
Connect with authorized service providers and technical support across the Americas.
Find ServiceWarranty Information
Access warranty terms, registration, and claims support for Dunham-Bush equipment.
Warranty Claim FormFind Your Local Contact
Locate your nearest Dunham-Bush USA sales or service contact by region.
Find ContactContact Dunham-Bush USA
Reach our headquarters team directly for inquiries, technical support, or sales questions.
Contact DB