Sheet Metal & Ductwork

Sheet metal and ductwork systems are essential for delivering heated and cooled air efficiently throughout a building. ACI Northwest provides custom ductwork design and fabrication services to ensure your system performs reliably and efficiently.

  • Custom Duct Design – Systems are built to match your building’s layout and airflow requirements.

  • Improved Energy Efficiency – Proper design helps reduce air loss and system strain.

  • On-Site Fabrication Capabilities – We design and manufacture ductwork tailored to your project.

  • Leak Reduction and Airflow Optimization – Well-built ducts improve comfort and system performance.

  • Full-Service Duct Solutions – We handle installation, modification, repair, and sealing.

When ductwork is properly designed and installed, it supports better comfort and long-term system efficiency.

(208) 772-9571

CONTACT US

(208) 772-9571

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Our Current Promotions

Free Second Opinions!

BEFORE YOU MAKE A BIG HVAC DECISION, CALL THE RED VAN YOU CAN TRUST.

Been told you need a major repair or a new system? Get a free second opinion from ACI Northwest before you make the investment.

We’ll take another look, explain what we find, and help you understand your options. Sometimes the right answer is replacement. Sometimes it’s a repair. Our job is to help you know the difference.

Free. No obligation. No pressure.
Just another set of experienced eyes.

No Expiration!

ACI IS CELEBRATING AMERICA’S 250TH!

Get a $250 ACI credit toward any qualifying invoice of $1,500 or more.

For 250 years, America has been built on hard work, trust, and community. We’re proud to celebrate by giving our customers a little something back.

The Red Van You Can Trust 1776 • 2026

Call ACI Northwest today to learn more.

No Expiration! Restrictions and exclusions may apply, must be presented before price given.

Comfort Now. Payments That Fit Your Budget.

FINANCING OPTIONS FROM 12 TO 120 MONTHS

From 12 Months Same as Cash to up to 120-month financing options, ACI Northwest can help make your new heating, cooling, or electrical project easier on your budget.

Choose the payment option that works for you:

  • 12 Months Same as Cash
  • Flexible financing terms up to 120 months
  • Ultra-low monthly payment options
  • Get the comfort, efficiency, and reliability you need without putting off the project.

The Red Van You Can Trust

Quality work. Flexible options. ACI Northwest.

No Expiration! Subject to approved credit. Financing terms and promotional offers may vary.

Custom Ductwork Design Process

Every building has unique airflow and layout requirements that must be considered during duct design.

  • Building Assessment – We evaluate layout, insulation, and usage to guide design decisions.

  • Airflow Planning – Duct sizing and routing are optimized for consistent air delivery.

  • Efficiency-Focused Design – Minimizes unnecessary bends and restrictions in the system.

A properly planned duct system helps reduce operating costs and improves overall HVAC performance.

(208) 772-9571

Why Sheet Metal Fabrication Matters

Custom sheet metal fabrication ensures ductwork fits your space and system requirements precisely.

  • Precision Fit – Custom fabrication ensures each component fits your system correctly.

  • Durability and Quality – Sheet metal construction provides long-lasting performance.

  • Flexible Applications – Supports both new installations and modifications to existing systems.

Working with a fabrication-capable team ensures your ductwork is built for performance and longevity.

(208) 772-9571

Why Choose ACI Northwest

Sheet metal and ductwork systems require expertise to design and install correctly.

  • Experienced Technicians – Our team is trained in duct design and fabrication.

  • Custom Solutions – We build systems tailored to your specific property.

  • Reliable Workmanship – Every project is completed with a focus on performance and efficiency.

When you need efficient and properly designed ductwork, working with the right team ensures your system performs as expected.

(208) 772-9571