Identifying Poor HVAC Ductwork

The Uniform Mechanical Code states that all duct work should be rugged enough to stay together and not leak. Support is a big part of durability, because ducts are not made to be structurally sound by themselves and will cause damage and leaks without proper support. Make sure you have the proper permits when you hire a Denver HVAC contractor to replace or repair your heating and air conditioning system.

 A proper permit will protect you when your inspector finds shoddy ductwork. Often ductwork is overlooked by Denver air conditioning and heating installers, so more than likely, there will be some sort of problem. Specialty HVAC companies in Denver test commercial ductwork. They work with engineers to balance the design with the original HVAC parameters. For commercial HVAC jobs, the contractor will usually not receive full payment until the system passes these test. A good Colorado heating and AC contractor will not be hesitant about inspections and permits. If it is a good job, the inspector will validate your HVAC contractor's work.

If your inspector does not do a thorough job, consider hiring an independent HVAC contractor to inspect the work. In areas susceptible to flooding, the mechanical code asserts that the ducts be sealed from water. This ductwork is usually made of hard sheet metal sealed at all joints. Wet insulation will fall apart and expose ducts to moisture. In Denver, HVAC systems that are wet can corrode and cause damage from mold an mildew. These problems can be harmful to your health so inspect your system and make sure there is a vapor barrier.

Remember: Household duct tape is not for ducts. Duct tape is the number one sign of shoddy heating and air conditioning work. Duct tape specifically made for central air designs works O.K., but in reality, duct tape was not made for ducts and does not hold a seal for long enough. It was originally used in World War 2 to seal ammo containers. The name was changed to duct tape after the war to find a use for this handy tape. New HVAC certified duct tape should have an aluminum backing.

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