Duct Estimating Services
Many contractors lose bids due to inaccurate or incomplete estimates and poor ductwork takeoffs can result in 10-15% cost overruns on average. But we solve these challenges with expert duct estimating services that are precise, fast, and transparent. Our estimators have helped contractors secure multimillion-dollar contracts and reduce project waste by delivering detailed cost analyses of materials, labor, and accessories. With our expertise, you can keep your projects on track and under budget.
Key Takeaways
- Accurate and customized ductwork estimates ensure a 96% bid-hit ratio.
- Prevent overruns with precise material and labor calculations.
- Trusted by contractors across residential, commercial, and industrial projects.
Kelly Estimating Offers the Best Duct Takeoff Services
We offer complete ductwork takeoff estimates for a wide range of HVAC systems. Our duct estimators quantify all components, materials, and labor requirements accurately and prevent the risk of overspending or underestimating your project.
Types of Duct Systems We Estimate
- Supply air ducts that deliver conditioned air to spaces.
- Return air ducts to channel air back to the HVAC system.
- Fresh air ducts that introduce clean, outside air into the system.
- Exhaust air ducts to expel stale air from indoor spaces.
Duct Sizes We Cover
- Rectangular Ducts
- Spiral Ducts
- Oval Ducts
- Circular Ducts
- Customized Framed Ducts
Duct Materials We Quantify in Duct Estimations
Our duct estimating services go beyond basic calculations but dive deep into the components required for the successful installation of duct systems:
- Volume control dampers for regulating airflow.
- Duct insulation for indoor and outdoor applications.
- Square diffusers to ensure optimal airflow distribution.
- Flexible duct hoses for adaptability in confined spaces.
- Grills and registers to provide air distribution and return.
- Sand trappers for protecting systems in dusty environments.
- Duct accessories include joints, fittings, stiffeners, and tie rods.
- Fire dampers that improve safety by preventing the spread of fire.
- Galvanized sheet metal raw material to ensure durable and corrosion-resistant duct systems.
Clients of Ductwork Estimating Company
We serve the following list of clients:
- HVAC Contractors
- Sheet Metal Contractors
- Mechanical Contractors
- Ductwork Contractors
- Architectural Firms
- General Contractors
- Facility Managers
- Construction Companies
- Developers
US #1 Duct Estimating Services For Contractors
Here, you can choose the following ductwork takeoff and estimating services:
Customized Ductwork Estimates
Every HVAC project has its unique ductwork, so we offer our clients the best-customized ductwork estimates at budgeted prices. You will get detailed duct takeoffs including measurements and material requirements for supply, return, exhaust, and fresh air ducts. There will be clear cost allocation for materials with accurate labor hour calculations. With our customized estimates, there will be no risk of waste material.
Change Order Estimates
In case of project modification, we offer a change order estimate with quick, accurate recalibration of material, labor, and overhead costs for changes in design, layout, or materials. Our ductwork estimators also do recalculations according to finalized duct sizes, shapes, or system configurations based on updated project requirements.
Ductwork Bids
Winning bids require detailed, competitive, and professional documentation. Our ductwork bids are designed to give contractors a benefit by providing complete, accurate, and competitive estimates that stand out. The final document contains a breakdown of material costs, labor, logistics, and overheads, ensuring competitive pricing without compromising quality.
Components of Duct Estimation Document
- Here you can see the inclusions of duct takeoff and estimating EXCEL document:
- Detailed quantity takeoff of sheet metal, duct liner, hangers, accessories, and operational equipment required.
- CSI division 23 estimate includes the ductwork material costs and labor rates according to man-hours required.
- You will get a bid summary of line-item costs for materials, labor, equipment, project inclusions and exclusions, profit margin, expenses, and contingencies.
- In case of modifications in ductwork takeoffs and estimates, provisions for adjustments based on client feedback will be made.
How Do Ductwork Estimators Stand Out?
Our track record of helping contractors in securing $5 million contracts for large-scale commercial developments to $1 million residential HVAC bids, speaks of our expertise, accuracy, and timeliness.
- The team provides detailed, error-free estimates using advanced software (PlanSwift, FastDUCT, BlueBeam).
- We offer a fast turnaround time of 12-24 hours in delivering the final duct estimating document.
- Customized estimates will always be available for residential, commercial, and industrial projects.
- Our estimators offer complete coverage of your project estimation, including material costs, labor hours, equipment, and profit margins.
- We offer free quotes and transparent pricing according to your scope of work and ensure a 96% bid-winning ratio.
- Our team is ASPE and AIQS certified and has great HVAC and ductwork industry knowledge.
Project Type | Project Name & Location | Scope of Work | Client Benefits |
---|---|---|---|
Residential | Aria Condominiums, Miami, FL | Ductwork material estimation, including galvanized sheets, diffusers, and fire dampers for HVAC systems. | Accurate material takeoff for custom duct sizes, reducing waste and cost overruns. |
Commercial | Willis Tower Renovation, Chicago, IL | Comprehensive ductwork estimates for supply and return air ducts, including insulation and hangers. | Delivered competitive bids that helped secure multi-million-dollar contracts. |
General Industrial | Tesla Gigafactory, Austin, TX | Detailed cost breakdown for exhaust and fresh air ducts, flexible duct hoses, and volume control dampers. | Streamlined planning with precise labor and logistics calculations. |
General Industrial | Tesla Gigafactory, Austin, TX | Detailed cost breakdown for exhaust and fresh air ducts, flexible duct hoses, and volume control dampers. | Streamlined planning with precise labor and logistics calculations. |
Educational Facility | Harvard Science Center Expansion, Cambridge, MA | Estimates of duct accessories, fittings, and fire dampers for advanced lab HVAC systems. | Optimized estimates ensured timely project execution under budget constraints. |
Healthcare Facility | Denver Health Hospital, Denver, CO | Tailored estimates for medical-grade ductwork, including cleanroom HVAC systems and specialized insulation. | Guaranteed compliance with healthcare standards and minimized operational delays. |
Retail Complex | Westfield Century, Los Angeles, CA | Estimation of circular and spiral duct systems for retail spaces, including grills and registers. | Delivered detailed cost analysis, supporting the client’s competitive bid strategy. |
Get Your Ductwork Project Estimate Now!
3 steps, and you will be on your way to winning the project!
Share the Details
You need to land over our quote form and fill in the details. Then, upload your project plan, designs, or drawings in PDF or JPEG format and any special requirements.
Get the Quotation
Our expert estimators will analyze your project details and will share a free quote including the delivery date and invoice. if you accept, submit the payment through debit/credit card or Paypal.
Receive Your Estimate
In the short time of 12-24 hours, you will get your duct estimate including material takeoffs by cost and labor rates along with other details.
Frequently Asked Questions
How Long Does It Take to Deliver a Duct Estimate?
Our estimated delivery time is 12 to 24 hours. Kelly Estimating’s team is efficient because they know the best use of technology and are committed to delivering estimates timely.
Can You Adjust Estimates for Change Orders or Project Modifications?
If there are minor changes in the scope of projects, we immediately provide change order estimates free of cost according to updated requirements.
What Software Do You Use for Duct Estimating?
We use the best software such as FastDuct, BlueBeam, and PlanSwift, for accurate takeoff and RS means, BIM, and zip code database for local pricing.
How Do You Estimate Labor Hours for Ductwork Installation?
We calculate labor hours based on the scope of work, duct complexity, project size, and industry-standard installation rates. We also adjust for factors like project location and team size.
Are Your Duct Estimating Services Available Nationwide?
Yes, we serve clients across the United States, including but not limited to:
- Arizona
- Alabama
- California
- Florida
- Washington
- Utah
- Ohio
- Kentucky
- Texas
- Nevada
What Our Customers Think About Us
Our clients don’t just see us as ductwork cost estimators; they see us as partners in their success. Many contractors across residential, commercial, and industrial sectors have praised our ability to deliver precise estimates and they value how we streamline their bidding process with detailed cost breakdowns and save their time and money while making their bids competitive.

‘The estimates we received from your team for the Skyline Office Park project were accurate and saved us a huge sum. It’s rare to find a company that combines precision with such a deep understanding of our industry. We couldn’t have secured the bid without you!’
James Miller, Project Manager
‘We were impressed by how smooth your duct estimators worked with our design team to provide accurate estimates for our restaurant project duct systems. It felt like you were an extension of our team.’ Our focus on precision, timeliness, and client collaboration has earned us a reputation as the go-to ductwork estimating service for contractors who want to secure more contracts.
Mark Sanchez, General Contractor