
our Services
collaboration and innovation
HVAC Double Check provides holistic mechanical systems solutions from HVAC design to system selection, permit submittal, and construction administration.
With over a decade of work in Washington, we are expert in state and local jurisdiction requirements, as well as LEED and other energy efficiency certifications.
By getting involved early in the process and collaborating via the latest 3D modelling, we design mechanical systems that enhance the built environment.

services
Mechanical system design for commercial buildings
Existing system review
Code review
Equipment selection
Permit drawings
3D modelling

specialties
High performance buildings and sustainability initiatives
Healthcare facilities
Large scale renovations and tenant improvements
New construction
3D design collaboration
Get in touch
We believe in the power of beautifully engineered spaces.
How can we support your next project?