Design Mechanical, Inc.

Design Mechanical, Inc. operates as a multi-trade contractor serving Louisville and surrounding communities including Boulder and the Denver metro area. The company holds a 4.1-star rating compiled from 23 customer reviews, with service hours running Monday through Friday from 8 AM to 5 PM. Their operational divisions span HVAC-R, sheet metal fabrication, design-build projects, plumbing, pipe fitting, and a dedicated Mountain Division serving elevated communities.

The contractor distinguishes itself through a divisional structure that allows coordinated multi-trade projects under a single point of contact. Website messaging emphasizes long-term guarantees and ongoing technology adoption, suggesting a commitment to evolving service methodologies. Their Design | Build Division handles project delivery from concept through completion, while the Sheet Metal Division provides in-house fabrication capabilities for custom ductwork and fittings.

Customer feedback reveals mixed experiences. A reviewer representing a HOA described a heating system failure affecting five units in a shared boiler configuration, noting their technicians disputed the severity rather than addressing the diagnostic findings. Another reviewer specifically mentioned Angela Hartmen in connection with referral quality and HR functions. Positive reviewers highlighted the company's ability to manage complex, multi-layered projects.