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HVAC Estimating · CSI Division 23

HVAC Estimating Services in Ohio

HVAC takeoffs and estimates for Ohio HVAC contractors and general contractors — rooftop units, furnaces, heat pumps, VRF, air handlers, ductwork, diffusers, exhaust and controls, measured from mechanical drawings and priced for Ohio’s heating-dominated climate.

Free, No-Obligation Quote

Send Your Plans for a Fixed-Price Quote

Email your drawings or share a Dropbox / Google Drive link. We reply with a fixed fee and a delivery date before any work begins.

or email ask@ohiocostestimating.com

Explained

What Is HVAC Estimating?

HVAC estimating prices the systems that heat, cool and ventilate a building: equipment (rooftop units, furnaces, heat pumps, split systems, VRF, air handlers, unit heaters), ductwork by size and gauge, insulation, diffusers and grilles, exhaust fans, dampers, refrigerant piping, condensate, controls, test and balance, and startup.

Ductwork is often the largest labor item and is measured by length and size, then converted to weight or area. Equipment is priced from schedules or supplier quotes. Controls and test-and-balance are frequently excluded or underpriced, so we list them separately.

We estimate HVAC for HVAC and sheet-metal contractors and general contractors. For hydronic and process systems, see mechanical estimating; for coordinated pricing, see MEP estimating.

Quick Answer

How is HVAC ductwork estimated?

Ductwork is measured by length for each size and shape, then converted to pounds of sheet metal or square feet of surface. Fittings, insulation, hangers and sealing are added, and labor is priced from duct weight or productivity rates.

Scope

What Our HVAC Estimates Include

A complete hvac scope — measured, priced and organized the way you bid and buy.

What you receive

Equipment schedule pricing
Ductwork weight/area by size
Air device counts
Refrigerant piping lengths
Marked-up mechanical plans (PDF)
Labor by system

Project Types

HVAC Projects We Estimate

Residential, commercial and industrial work — each priced for how it is actually built.

Residential HVAC

Furnaces, heat pumps, ductwork and ventilation for homes.

Retail & Restaurants

Rooftop units, kitchen exhaust and make-up air.

Offices

VAV systems, RTUs, VRF and controls.

Multifamily

Split systems, PTACs, VRF and ventilation.

Schools

Ventilation-heavy systems with energy recovery and controls.

Warehouses

Unit heaters, make-up air and ventilation.

Ohio Expertise

HVAC Estimating for Ohio Conditions

Ohio’s heating-dominated climate shapes HVAC systems. Gas furnaces remain common in homes, while heat pumps, VRF and high-efficiency rooftop units are increasingly used in new construction. Equipment selections must meet the Ohio Mechanical Code and energy-code efficiency and ventilation requirements.

Winter construction often requires temporary heat, and equipment startup timing affects interior finishing schedules. Lead times for rooftop units, air handlers and controls can also be significant, especially on large projects.

Labor markets vary across the state, with union and open-shop sheet-metal and pipefitting crews in the major metros. Public projects require prevailing wage rates for these trades.

Ohio factors we price in

Ohio Mechanical Code requirements
Heating-dominated equipment selection
Energy-code efficiency & ventilation
Temporary heat during construction
Equipment lead times
Prevailing wage for sheet metal & pipefitters

Cost Drivers

What Drives HVAC Costs in Ohio?

These are the variables that move a hvac number most — and how we handle each.

Cost factor	Why it changes the estimate	How we price it
Equipment	Equipment can be a large share of HVAC cost.	Priced from schedules or quotes.
Ductwork	Large, complex duct systems drive labor.	Measured by size and converted to weight or area.
Ventilation	High outdoor-air requirements add energy recovery and larger equipment.	Ventilation equipment priced from schedules.
Controls	Building automation can add significant cost.	Controls listed separately.
Ceiling space	Tight ceilings increase installation time.	Labor adjusted for complexity.

Guide

HVAC Estimating Guide

Practical answers to the questions contractors and owners ask before pricing this trade.

Estimating ductwork by weight

Sheet-metal contractors often price ductwork by pound. Converting duct sizes to weight using gauge and length provides a consistent basis for material and labor.

Residential vs. commercial HVAC

Residential HVAC uses smaller equipment and simpler duct systems, while commercial HVAC includes larger equipment, ventilation, controls and test-and-balance.

Controls and TAB

Controls and test, adjust and balance (TAB) are often excluded from bids. Listing them separately prevents gaps between trades.

Kitchen exhaust

Commercial kitchens require hoods, grease ducts, make-up air and fire protection coordination, which add significant HVAC cost.

How It Works

How the Estimating Process Works

Trade estimates follow the same five steps as every project — with a fixed quote first. See our full estimating process.

Send Your Plans

Upload drawings, specs and addenda or share a link, and tell us the scope, bid date and format you need.

Fixed Quote

We review the documents and reply with a fixed fee and delivery date before any work starts.

Takeoff & Pricing

Quantities are measured digitally and priced with current Ohio labor, material and equipment costs.

Quality Review

A second estimator checks quantities, unit costs, math and scope gaps before release.

Delivery & Support

You receive the Excel estimate and marked-up takeoffs, plus updates for addenda and answers to questions.

Keep Exploring

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FAQs

HVAC Estimating FAQs

Straight answers to the questions we hear most.

Get Your HVAC Estimate

Send your plans and receive a fixed quote and delivery date before any work begins.

ask@ohiocostestimating.com · 101 Normandy Ave, Columbus, OH 43215