Cost efficiency and timeliness are the cornerstones of Donnelly Mechanical’s construction services. We also distinguish ourselves in the following ways:

  • Construction/Full Mechanical Systems
    From initial survey to project completion, Donnelly Mechanical offers a full range of HVAC construction services, for office build-outs small and large. We are able to handle even the most complicated projects with ease.
    > Retrofitting and installation of ductwork and piping
    > Installation of units
    > Installation of thermostat and control systems
    > Electrical work
    > Startup and final testing

    We handle all varieties of project types including fast track, design-build, plan and specification, and equipment replacement.

  • Green Construction
    Donnelly Mechanical is a leader in providing LEED-certified
    construction. For green projects, we offer experienced teams headed by LEED-certified senior staff. Click here to learn more »

  • Consulting & Improvements
    Donnelly Mechanical’s industry-leading team of HVAC consultants is able to help you manage, improve or expand your HVAC system, including:
    > Pre- and post-construction surveys
    > Energy management
    > Control system improvements
    > Data logging
    > Building department filing, permits, and violation resolutions
    > Engineering service and reports
    > Building management and engineering services
    > Duct modifications
    > Temperature control modifications
    > System commissioning

  • Financial Analysis
    Donnelly Mechanical also offers expert financial analysis of your HVAC system including:
    > Determination of Tax Benefits
    > Life Cycle Costing
    > Rebates/Incentives

We have the experience and expertise to take highly complex projects from inception to completion.