Duct Work Repair

Ductwork Repair in Willmar, MN & Surrounding Areas

Your ductwork is the backbone of your heating and cooling system. If it’s leaking, clogged, or damaged, your HVAC system won’t perform at its best—costing you money and comfort. At Magnuson Sheet Metal, we specialize in ductwork repair services for homes and businesses throughout Willmar, MN. With over 40 years of experience and in-house sheet metal fabrication, we deliver repairs that restore efficiency and comfort.

Signs Your Ductwork Needs Repair

• Uneven Heating or Cooling – Hot or cold spots in certain rooms
• High Energy Bills – Leaky ducts waste conditioned air, driving up costs
• Poor Airflow – Weak air coming from vents or inconsistent circulation
• Strange Noises – Whistling, rattling, or banging sounds from ducts
• Dusty or Stale Air – Leaks allow dust, allergens, and pollutants to enter your system

Our Ductwork Repair Services

Leak Detection & Sealing

Small leaks can waste up to 30% of conditioned air. We locate and seal leaks to restore efficiency.

Ductwork Patching & Replacement

We repair or replace damaged sections of ductwork with custom-fabricated sheet metal for a perfect fit.

Airflow Balancing

If certain rooms never seem comfortable, we can rebalance your system for even airflow.

Insulation & Efficiency Upgrades

Adding or repairing duct insulation improves performance and reduces energy loss.