Customer Testimonials:

"National Metal Works installed a high efficiency furnace and air conditioner into my home. It's a great system at a good price". Jack R.
"We have National Metal Works perform all of our heating and airconditioning needs at our business and at our home". Tim F.



About Us

Our Products

Indoor Air Quality

Energy Star



National Metal Works, Inc. is a family-owned business that has been serving the greater Rockford area for 25+ years. Our highest priority is our commitment to providing quality service by our team of experienced technicians. We specialize in air systems, with an emphasis on indoor air quality and variable speed units. We're fully qualified to help you select the comfort system that best fits your home and your budget.

We proudly feature Armstrong equipment, and are a member of the Armstrong Air Comfort Team.


Our Mission
National Metal Works, Inc. is committed to providing its customers with prompt, reliable service by trained, experienced and honest technicians. We utilize technology and top-quality parts and equipment, at prices that are fair and reasonable.




National Metal Works