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December 29th, 2025
1 min read
Harold Brothers typically recommends service bi annual maintenance for commercial buildings, quarterly HVAC preventative maintenance, or even monthly HVAC maintenance for high demand facilities depending on the building size and system load.
A visit usually includes filter changes, coil cleaning, refrigerant checks, electrical testing, and system calibration. To see what this looks like step by step, review what happens during a preventative maintenance visit.
Harold Brothers bases the schedule on building size, equipment type, age of the system, and how heavily the facility relies on heating or cooling.
Regular maintenance prevents breakdowns, reduces energy waste, and helps equipment last longer. You can learn more about the financial impact in commercial HVAC preventative maintenance cost.
If you want to explore service plans or schedule a walkthrough, visit Harold Brothers preventative maintenance services.