Rebar helps HVAC, plumbing, and electrical pros move faster, from takeoff to bid.
For decades, construction tech has served owners and general contractors. The subcontractors and suppliers who actually execute the work, HVAC, plumbing, electrical, have been left with PDFs, highlighters, and pen-and-paper workflows.
Construction software has spent decades serving owners and general contractors. The trades, the people who actually build, have been left with pen, paper, and PDFs.
Co-founder Evan Brown grew up in his uncle's HVAC supplier office, watching estimators spend full weeks on quotes that should take hours. Years later, as an estimator himself, nothing had changed.
When Evan talked to Andrew Schwartz, they set out to fix it, talking to thousands of operators across the country to understand where technology could help most.


Starting with takeoffs and expanding into spec review, submittals, and bid management.
We’re a small team that loves to create great experiences and make meaningful connections between builders and customers. Join our remote team!

Evan leads Rebar's strategic vision, bridging technology and modern automation to the HVAC supply and distribution industry.
Before Rebar, he was an estimator and Sales Engineer at Johnson Barrow/DMG Corporation, where he designed, sold, and supported HVAC systems for 100+ supplier offices nationwide. He previously led AI implementation at Ambient, researching visual search for HVAC takeoff software.

Andrew leads product strategy and innovation, focused on building scalable systems and technology that modernize the HVAC industry.
Previously at Goldman Sachs, he drove product development in a highly regulated financial environment. Earlier, he co-founded a social network for researchers and held roles in strategy and investment at MycoWorks, Lasso Capital, and PwC.