2026 BNi Mechanical-Electrical Costbook

Printed book PLUS A FULL ONE-YEAR SUBSCRIPTION to BNi ACCESS™ Unit Cost ✓

We're excited to announce a new partnership between BNi and eConverge, combining the trusted BNi Costbook data with eConverge’s leading software. This powerful integration transforms the Costbook into a streamlined online estimating tool - saving time, reducing errors, and boosting efficiency.

Here is a quick tour video of BNi ACCESS™ Unit Cost:

The 2026 BNi Mechanical/Electrical Costbook is the Essential Resource for MEP Professionals

Confidently create accurate estimates with the newly updated 2026 BNi Mechanical/Electrical Costbook - the trusted resource used by thousands of MEP professionals across the country. Now in its 36th edition, this essential guide provides comprehensive, up-to-date cost data for every phase of mechanical, electrical, plumbing, and fire suppression work, all organized by CSI MasterFormat® for easy reference.

Option #1: Order Premium Edition

Order your copy of the 2026 BNi Mechanical-Electrical Costbook today and unlock the book’s unit cost data with BNi ACCESS™ immediately. Work seamlessly from anywhere, navigate costs by CSI MasterFormat, export estimates to PDF or Excel, and apply regional modifiers for precise, location-specific pricing.

Premium Edition Includes: 

• • Printed book
  • BNi ACCESS™ Unit Cost powered by eConverge™ for one full year
  • Includes 24,000+ unit prices from HVAC to fire suppression
  • Each item includes unit of measure, material cost, labor cost, and equipment cost
  • Trusted construction pricing researched by experts with decades of combined experience 
  • Labor rates based on U.S. Department of Labor data

Option #2: Order Book Only

Get all the information you need in a fully-indexed printed book format. Perfect for those who prefer the reliability and feel of a physical book for learning or reference.

Download Our Free Guide to BNi Costbooks

Please note that by ordering this 2026 edition, you will automatically receive a copy of the 2027 edition for a no-obligation 30-day trial, as soon as it is released.  This is to ensure you are always working with the latest available data.  You can opt-out of this auto-renew program at any time.

Disclaimer: BNi ACCESS™ Unit Cost is designed for general estimating and project planning purposes. It is not intended for use with Job Order Contracting (JOC) and should not be used for JOC- specific pricing, procurement, or contractual decisions.