Pilot · proposals open in
EVOA Systems is in pilot. Free proposals open on November 2.

Evoa Design

Design every system. Send one proposal.

The traditional EVOA platform, built for contractors and building scientists. Design the envelope, the heating and cooling, geothermal, solar, storage, electrical and plumbing on the same building model.

A building section showing ductwork, a heat pump, rooftop solar and a ground loop, with a contractor and a building scientist reviewing the drawings

For contractors, GCs and energy consultants

What it does

Design the envelope, the heating and cooling, geothermal, solar, storage, electrical and plumbing on the same building model. Every trade prices into one estimate, and the finished design turns into a proposal the customer can read and sign.

See how a design becomes a proposal
  • Every trade designed on one building model
  • Your own team and your partner firms on the same project
  • One cost picture, with labor, equipment and subcontractors kept separate
  • A branded proposal, ready the same day