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Maintaining your heating and cooling components in good repair will increase the energy efficiency of your HVAC systems.

Affordability

Conducting regular inspections of all your HVAC components and keeping them in good repair is an easy, affordable way to minimize the performance degradation of the heating or cooling equipment for your building.

What you need to know

  • Inspect all ductwork (including flexible connections) for air leaks. Seal leaks by taping, caulking or replacing flexible connections.
  • Insulate all bare ducts or pipes that carry conditioned air and chilled or hot water.
  • Inspect all dampers, blades, edge seals and linkages. Replace and adjust if necessary.
  • Inspect inlet vane damper linkage for smooth operation and control of airflow.
  • To ensure proper seating for minimal leakage, inspect air valves in dual duct mixing boxes.
  • Repair any leaks from pipes, taps, pumps and control valves.
  • Replace air filters at regular intervals or at pre-determined pressure drops.
  • To prevent overheating and overcooling, adjust all variable air volume boxes so they operate precisely.
  • Where applicable, install ASDs on fans, chilled water pumps and heating pumps.

FAQ

If during my inspection I find leaks in the ductwork, how can I repair them?
Seal leaks by taping, caulking or replacing any flexible connections. Be sure to also repair leaks from pipes, taps, pumps and control valves.

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Last Modified: May 12, 2009

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