HVAC Design/Build

Better Ideas That Deliver Value

Gilley's Heating and Air Conditioning design/build services are a proven way to get a high quality HVAC system completed quickly, intelligently and at a reasonable price. By getting involved early, Gilley's can identify challenges, devise solutions, and find ways to save you time and reduce your overall facility costs. Design/build is simply the best way to get the most value from your relationship with Gilley's.

Gilley's Saves Time

Gilley's Heating and Air Conditioning integrated design/build team significantly compresses project time by working simultaneously on your HVAC system. We can produce an approved design, procure materials and equipment, fabricate ductwork, and start pre-construction work before installation begins. Our single-source responsibility fast tracks your project to minimize building downtime.

By offering comprehensive HVAC design/build services, Gilley's Heating and Air Conditioning also reduces your administrative burden. Gilley's takes complete ownership of the project, so you can put your time to better use.

From early design stages to final installation, Gilley's Heating and Air Conditioning presents a professional design and turns it into reality. When turning to a HVAC contractor for specialized or custom products, quality of installation, service, support, and expert knowledge, turn to Gilley's Heating and Air Conditioning...where your comfort is our life.

Gilley's Provides Greater Value

When Gilley's Heating and Air Conditioning's design and construction personnel are united on your project, you win. Working together, they evaluate the proposed HVAC system and consider alternative designs, materials and methods that can reduce your costs.

Gilley's Heating and Air Conditioning is adept at value engineering and building-to-cost. Whatever parameters you have, we find creative ways to work within them. By giving Gilley's responsibility for your HVAC design/build, we can provide you with early and firm knowledge of all costs, so you know what to expect.


Although having a good design is important, essentially, it comes down to delivering an installed, final product that is superior in quality and functionality. Gilley's Heating and Air Conditioning provides its own continued training for employees in order for them to stay current on the newest products and industry advancements. This ensures a better end product, a better-working system.

Have questions regarding a custom project or installation? Our in-house design team offers several design build services:

  • Feasibility Studies & Consultations
  • Budget Analysis/Composition
  • HVAC Design Packages
  • Conceptual Mechanical Design Drafting
  • Certified/Stamped Mechanical Drawings

Let us help design and build the system that is right for you!

Gilley's is proud to be a participating contractor with ComEd.

Call us today!

(815) 962-1927
We are located at 4465 Prairie Road Rockford, Il 61102
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Copyright 2009 Gilley's Heating & Air Conditioning Inc
Ph: 815-962-1927 · Fax: 815-964-0857