Since 1980 Wendes Systems, Inc.has proven to be the leading choice by estimators with per piece Duct Estimating Accuracy. The Wendes estimating data introduced with the Wendes Mechanical Estimating Manual in 1978 continues to be circulated today and is available for download at no cost. The Manual outlines formulas for manually calculating per piece duct […]
Commercial HVAC construction includes highly specialized engineering, materials and highly accurate multilayer labor costing built on specification driven data. There are four major fundamentals that should apply to all HVAC estimating software to ensure accurate results. Commercial HVAC estimates reire dynamic material and multi trade pricing driven by strict construction specifications. Per piece construction labor […]
HVAC Estimating Fundamentals HVAC commercial projects involve highly specialized engineering, large scale material requirements and highly accurate multi-layered labor analysis detailed in specialized reports. Commercial HVAC estimates cannot rely solely on flat rate price lists extensive databasis of materials and equipment must be updated dynamically. Sheet metal and ductwork fabrication are driven by raw weight, […]
HVAC Estimating Software Fundamentals HVAC projects require involved complex engineering, large material volumes, multi layered and very accurate labor cost analysis. Estimates should include detailed takeoff precision, detailed quantity analysis, precise shop and field labor, detailed material lists detailed in multi function reports. Takeoff data should integrate with spreadsheets and other system integrations. Detailed takeoff […]
HVAC systems require all aspects of air distribution, mechanical fluid lines, refrigeration lines and fabricated Ductwork. All of these items are part of the workflow when estimating HVAC systems manually, with spreadsheets or automated systems. Each of the systems require specialized data. Each system in the workflow requires exact fabrication cost, installation cost and material […]
Recent trends in Plumbing, Mechanical and HVAC Ductwork Estimating focus on the integration of associated tools that enhance productivity, collaboration and workflow. The most interesting and potentially most valuable productivity gains in Estimating Takeoff center on the use of AI tools to recognize and accumulate items contained in digital job plans without the requirement for […]
Wendes Mechanical Estimating, Plumbing, Plumbing and HVAC Duct Estimating now provides the most advanced takeoff tools for generating fast and accurate bids with On-Screen Takeoff and integration of Takso AI Takeoff. Takso AI Takeoff can quickly scan a drawing using a patented method providing a fast process for accumulating and identifying fittings and fixtures, as well […]
There are several important components that improve the Mechanical and Ductwork Estimting Process. The most time consuming and error prone aspects of manual estimating is the Takeoff process. The takeoff process entails reading complex paper blueprints for a project and measuring, identifying and detailing all of the mechanical and ductwork components. With the advent of […]
HVAC Estimating can best be defined as a systematic and efficient process defining a workflow to accurately calculate the total cost for labor and materials used to complete a heating and air conditioning system. Accurate estimating promotes a complete and accurate bid, thorough takeoff, accurate extensions and reliable pricing. There are several important steps that […]
2026-02-15 10:55:25 Here are some basic steps describing how to accurately estimate ductwork projects. Start every project with a thorough review of specifications for the job and any special provisions or exclusions. Perform a detailed material takeoff marking each item to assure it has been included. Color coating systems items helps to deliniate work the […]
