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Commercial HVAC Installations

Commercial Rooftop HVAC Installations

For all commercial rooftop units, large-capacity furnaces, and commercial AC systems, D's Air & Heating, Inc. requires a direct call or submitted estimate form.

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Commercial Rooftop HVAC Installations

D's Air & Heating, Inc. provides complete commercial rooftop HVAC services for storefronts, restaurants, offices, warehouses, industrial facilities, and multi-tenant buildings across Chicago and surrounding areas. All commercial rooftop projects require a direct phone call or completed estimate form. Due to crane access, curb adapters, electrical verification, and permit requirements, commercial rooftop pricing cannot be generated through the residential estimator. Every rooftop installation includes equipment verification, load calculations, crane coordination, curb adapter matching, and permit compliance to meet local codes and manufacturer specifications.

Commercial Rooftop Units — D's Air & Heating, Inc.

D's Air & Heating, Inc. provides full commercial rooftop HVAC installation services for all major manufacturers, including Daikin, Lennox, Carrier, Trane, York, AAON, Goodman, and Rheem. Commercial rooftop systems require precise sizing, curb compatibility, electrical and gas verification, crane logistics, and municipal permit review. Because every commercial building is different, pricing cannot be displayed upfront and is determined only after a complete scope review and site survey.

Commercial Rooftop Models Supported

Daikin

DSG Series

Lennox

Landmark / L / LC Series

Carrier

WeatherMaker / WeatherMaster

Trane

Precedent / Voyager

York

Predator Series

AAON

RN / RQ / RL Series

Goodman

Commercial Rooftop

Rheem

Commercial Rooftop

Commercial Pricing Process

Submit a Commercial Job Request

All commercial projects begin with a submitted estimate form or direct call.

Scope Review

We evaluate building type, rooftop access, electrical service, gas piping, curb condition, and equipment requirements.

Site Survey

Required to confirm crane access, curb adapter needs, permit requirements, and installation logistics.

Final Price Determination

Pricing is issued only after the complete scope is verified. Internal formulas, multipliers, and installation baselines are not shown publicly.

What Affects Commercial Rooftop Pricing

Equipment Requirements: Unit size, configuration, and building load needs.

Crane Access: Lift height, street width, overhead obstructions, and staging conditions.

Curb Adapter Compatibility: Whether the new unit matches the existing curb or requires a custom adapter.

Electrical Verification: Breaker sizing, voltage/phase, disconnect condition, and available capacity.

Gas Piping Verification: Pipe size, regulator condition, and shutoff valve placement.

Permit Requirements: City, village, or county rules based on building type and rooftop access.

Traffic Control: Required for crane lifts involving street closures.

All commercial rooftop HVAC job requests must be submitted before pricing can be provided.

All commercial rooftop HVAC job requests must be submitted before pricing can be provided. Final pricing is determined only after reviewing the full scope of work and completing a commercial site survey. This ensures accurate, safe, and code-compliant installation for every commercial building.

(773) 940-0965 Submit Estimate Form

Don't “FREEZE” — Call D's Air & Heating, Inc.

How to Request a Commercial Rooftop Estimate

Call or Submit Form

Call D's Air & Heating, Inc. to review building type, rooftop access, electrical service, and existing equipment — or submit the Commercial Estimate Form with photos of the rooftop unit, curb, disconnect, gas piping, and ductwork.

Site Visit

We perform an on-site evaluation to confirm unit size, curb condition, crane access, electrical capacity, and gas piping.

Written Proposal

You receive a detailed rooftop proposal including equipment, labor, crane cost, curb adapter pricing, permit fees, and traffic control if required.

Why Commercial Rooftop Jobs Require Direct Contact

Equipment Variability

Rooftop units range from 3-ton to 30-ton and must be sized to the building load.

Crane Coordination

Many rooftops require crane lifts, street closures, and traffic control planning.

Permit Requirements

Chicago and surrounding municipalities have specific commercial permit rules.

Electrical & Gas Verification

Rooftop systems require breaker sizing, voltage/phase checks, and gas piping capacity verification.

Curb Adapter Matching

New units must match the existing curb or use a custom curb adapter to ensure proper fit and airflow.

Commercial HVAC Pricing — D's Air & Heating, Inc.

All commercial HVAC job requests — including rooftop units, commercial furnaces, commercial AC systems, multi-zone systems, and large-capacity equipment — must be submitted before pricing can be provided. Commercial systems require detailed scope review, crane logistics, curb compatibility checks, electrical and gas verification, and municipal permit evaluation. Because every commercial building is different, pricing cannot be displayed upfront.

How Commercial Pricing Is Determined

Submit a Commercial Job Request

All commercial projects begin with a submitted estimate form or direct call.

Scope Review

We review building type, rooftop access, electrical service, gas piping, curb condition, and equipment requirements.

Site Survey

Required to confirm crane access, curb adapter needs, permit requirements, and installation logistics.

Final Price Determination

Pricing is issued only after the full scope is verified. Internal formulas, multipliers, and installation baselines are not shown publicly.

What Affects Commercial Pricing

Equipment Requirements: Unit size, configuration, and building load needs.

Crane Access: Lift height, street width, overhead obstructions, and staging conditions.

Curb Adapter Compatibility: Whether the new unit matches the existing curb or requires a custom adapter.

Electrical Verification: Breaker sizing, voltage/phase, disconnect condition, and available capacity.

Gas Piping Verification: Pipe size, regulator condition, and shutoff valve placement.

Permit Requirements: City, village, or county permit rules based on building type and rooftop access.

Traffic Control: Required for crane lifts involving street closures.

All commercial HVAC job requests must be submitted before pricing can be provided.

All commercial HVAC job requests must be submitted before pricing can be provided. Final pricing is determined only after reviewing the complete scope of work, including equipment requirements, crane access, curb compatibility, electrical and gas verification, and municipal permit conditions. Because every commercial building is unique, pricing is issued only after a commercial site survey.

(773) 940-0965 Submit Estimate Form

Don't “FREEZE” — Call D's Air & Heating, Inc.

Commercial Equipment Lineup

D's Air & Heating, Inc. offers a full commercial equipment lineup designed for reliability, efficiency, and serviceability. All commercial equipment is sized and selected based on building load calculations and code requirements.

Commercial Rooftop Units

3–10 Ton Rooftop Units: Ideal for small storefronts, restaurants, and offices. Single-zone or simple multi-zone configurations.

10–20 Ton Rooftop Units: Designed for larger retail spaces, mid-size warehouses, and multi-tenant buildings.

20+ Ton Rooftop Units: Used for large industrial facilities, big box retail, and high-occupancy commercial spaces.

Gas/Electric and Heat Pump Options: Configured based on building needs, utility rates, and comfort requirements.

Commercial Furnaces & Air Handlers

High-Capacity Gas Furnaces: For commercial spaces requiring strong heating output and robust venting solutions.

Commercial Air Handlers: Paired with rooftop condensers or split systems for flexible ducted distribution.

Make-Up Air Units: Provide tempered outside air for kitchens, manufacturing, and code-driven ventilation needs.

Commercial AC & Split Systems

Split AC Systems: For buildings where rooftop placement is limited or indoor air handlers are preferred.

Multi-Zone Systems: Serve multiple suites or zones with shared outdoor equipment and separate controls.

High-Efficiency Options: Selected to reduce operating costs while maintaining comfort and reliability.

Controls, Safety & Support

Commercial Thermostats & BAS Integration: Integration with building automation systems where required.

Safety Controls: Rollout switches, pressure controls, gas safety, and freeze protection configured per manufacturer and code.

Service & Maintenance Plans: Scheduled inspections, filter changes, coil cleaning, and safety checks for long-term performance.

Commercial Installation Services

Rooftop Package Units

Gas/electric RTU installation for flat-roof commercial buildings. Crane lifts coordinated.

Split System Installation

High-efficiency split systems for offices, server rooms, and retail.

Commercial Boiler Installation

Hot water and steam boiler installation for multi-unit buildings and commercial facilities.

Make-Up Air Units

Tempered fresh-air systems for restaurants, commercial kitchens, and warehouses.

Ductwork Design & Installation

Sheet metal and flex duct systems designed for proper airflow and code compliance.

Commercial Mini-Splits

Multi-zone ductless systems for historic buildings, restaurants, and boutique retail.

Frequently Asked Questions

Free Estimate

Tell Us About Your System

Share your equipment details and photos — Our team reviews every request before dispatching.

Get a Free Installation Estimate

To provide accurate pricing and equipment recommendations, please complete the estimate request form below. Our team will review your information and contact you with options, pricing, and next steps.

Commercial HVAC Installation

Full Commercial HVAC Installation

D's Air provides full commercial HVAC installation for rooftop units, split systems, packaged units, and large-capacity heating & cooling equipment. Professional scheduling, load calculations, and building compliance included.

Book Commercial Installation

Ready for a Commercial HVAC Quote?

Free estimates. Permits included. D's Air & Heating, Inc. — Chicago since 2009. IL License #2183457.

Request Free Estimate (773) 940-0965