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The best way to avoid costly commercial HVAC repairs or replacements is with a routine maintenance plan. Just like keeping your vehicle’s engine maintained for better mileage and longer lifespan, maintenance can help you get the most from your HVAC system. At Aeras Building Solutions, we help our clients create and complete a maintenance plan that will best protect their equipment. Here are some of the elements that are considered when making a comprehensive commercial HVAC maintenance plan.

HVAC maintenance plans should include a checklist of all the components that should be inspected and services that should be performed. The frequency of maintenance services depends on the commercial HVAC system, but most should be serviced at least twice a year. The following are areas that should be included in most commercial HVAC maintenance plans.

Inspections of Components

A visual inspection should be performed to check all the components of your HVAC system. This is an opportunity to take note of any possible leaks, rust, disconnected pipes/hoses, clogged vents and other abnormalities. If there are any signs of trouble, these can be addressed before they cause a system failure and more costly repairs.

Test Connections and Wiring

The electrical connections and wiring in your HVAC system should be examined and tested routinely to ensure they are working properly. Bad wiring can lead to damage to your components and costly downtime. If there are any disconnected or damaged wires, this can cause system failure and safety risks.


Like most motors, HVAC bearings and motor components need routine lubrication. This ensures the parts can move smoothly without friction. Lubrication can help the system run more efficiently and protect parts from friction damage.

Check and Change Air Filters

HVAC air filters help protect your air quality, but these filters need to be routinely replaced. Dirty air filters restrict airflow and put stress on your HVAC system. Air filter checks may need to be performed more often – it depends on the type of filter and your HVAC system. Changing dirty filters can improve efficiency.

Check Refrigerant Levels

Refrigerant is used in air conditioning and dehumidifier equipment to help reduce heat and absorb moisture from the air. Low refrigerant levels can affect performance and may indicate a leak or other problems within the HVAC system. These levels should be checked routinely.

Keep AC Evaporator and Condenser Coils Clean

Your AC evaporator and condenser coils can collect dust, dirt, and mold over time. These components should be cleaned at least once a year to keep your equipment performing at the most efficient level.

Inspect Pulleys and Belts for Damage

Pulleys and belts may be used in various HVAC components. These are prone to wear and should be inspected regularly for signs of damage and tension changes. Fraying, cracks or worn areas can indicate the belt or pulley should be replaced proactively to prevent breakdowns. If the tension is too tight or loose, it can also affect performance.

Check and Clean Drainage Lines

AC units and dehumidifying equipment have drains to transport water – as vapor condensation occurs it is collected through drains to help recycle the evaporation process. Drains can become clogged and collection trays overfull – drains may need to be cleaned and collection trays emptied routinely.

Let Us Complete Your Commercial HVAC Maintenance Checklist

If your commercial HVAC system is past due for routine maintenance, give us a call at Aeras Building Solutions. We can perform a comprehensive maintenance service to ensure your system is proactively serviced to improve efficiency. Call us today – we serve industrial and commercial clients in the greater Atlanta, GA, area.

Posted on behalf of Aeras Building Solutions

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