With the combined power of Lite, Plus, and Pro, IntelliBid Design Build comes loaded with features for contractors to estimate in the design build arena with confidence. From lighting calculations and electrical formulas to multi-user support, Design Build delivers software solutions that let your estimators tackle any size or type of electrical and structured cabling project with confidence and proven superior performance.
Design Build!

ConEst Software Systems is the first software solutions provider to address the demand for the design-bid-build arena. IntelliBid Design Build incorporates the same built-in Smart System™ technology found in all other levels of IntelliBid plus the ability to calculate lighting requirements and electrical formulas including load, motor, voltage drop, service and feeder calculations and more. Tackle your design build projects and electrical calculations with confidence using IntelliBid Design Build and ConEst Electrical Formulas.
Complete electrical design at your fingertips
CAD takeoff - proven accuracy

With a interface to AutoCAD, all your material item counts and measurements are entered directly from your CAD system into IntelliBid for accurate job installation requirements. CAD takeoff combines the speed and accuracy of CAD design, virtually eliminating the risk of errors that can occur with manual calculations.
Electrical Formulas & Lighting Design
Perform electrical calculations and lighting design while simultaneously updating your estimate. Calculate series segment voltage drops, NEC Article 220 Services and Feeders, fault current, load calculations, conduit, box and wireway fill and more! Current NEC tables in the software ensure that your calculations are precise. Use the Zonal Cavity Lighting feature in ConEst Electrical Formulas to calculate lighting levels and lamp types based on room size, ceiling height and wall color. No need to calculate then estimate – with ConEst Electrical Formulas and IntelliBid Design Build estimating software, you complete the task in one easy step!
“I’ll never need to open the code book again…
I love it (ConEst Electrical Formulas)!”