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With over 28 years of experience in residential and light commercial HVAC, Duct Calcs is the top choice for all your residential designs. Our team of experts are committed to providing customized solutions that meet your specific requirements. Trust us to provide to provide a more accurate and efficient design.

HVAC Design

Duct Design Services

Duct Calcs LLC is dedicated to providing accurate designs that meet the requirements of the Pueblo Regional Building Department and City of Canon City, enabling contractors and homeowners to get the building permits they need for projects.

HVAC Load Calculations

Let us help you design the perfect HVAC system for your project with energy efficiency in mind. We specialize in residential designs utilizing Right-Suite Universal by Wrightsoft to get an accurate HVAC load calculation. 

HVAC Design For Code Compliance

We specialize in creating custom duct design systems and calculating necessary loads to produce the necessary reports for contractor and homeowner permits. Let Duct Calcs LLC take the hassle out of your HVAC projects.


Our team provides HVAC design for clients all over Colorado. Contact us today to find out about our deliverables, fees, and more.

Duct Design

Why Choose Duct Calcs, LLC?

At Duct Calcs, we are committed to providing our customers with the best possible service. We take pride in our work and ensure that every job is done to the highest standards. We also offer affordable pricing and customized solutions to meet your specific needs.

We provide comprehensive HVAC design services to ensure your new heating and cooling system is properly sized for your home. Our experienced technicians will carefully assess your home’s needs and design a system that is perfectly matched to your home’s size and climate, so you’ll get maximum efficiency and comfort. Plus, you'll enjoy peace of mind knowing your system will provide years of reliable operation.

Our HVAC Design service ensures that you get the most efficient and reliable system for your home. We begin with a true Manual J heating & cooling load calculation and then use Manuals S, D, and T to select the proper equipment and design the ducts for optimal performance. You'll get a system that delivers the right amount of conditioned air to each room, so you can enjoy maximum comfort and energy savings.

We use detailed calculations and the latest technology to ensure that your home is designed to maximize your comfort and energy efficiency.

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