Featured Blog

Commercial HVAC systems in Minnesota work harder than almost anywhere else in the country. They heat buildings through months of sub-zero temperatures and cool them through humid summers. Without consistent preventative maintenance, that workload accelerates wear, drives up utility bills, and prevents systems from running efficiently.

Why Preventative Maintenance Matters for Commercial Buildings

Reactive maintenance is expensive. Emergency service calls cost more than scheduled visits, parts are harder to source on nights and weekends, and a system failure during peak heating or cooling season can disrupt building operations for hours or days.

Preventative maintenance flips that equation. Catching a failing capacitor, a clogged drain line, or a dirty condenser coil during a routine maintenance visit costs a fraction of what it costs after the system fails because of it. It can also catch problems before they occur.

For office buildings and commercial spaces in the Twin Cities, the seasonal swings make this especially important. A system that runs without issue in October may be covering up developing problems that only surface when temperatures drop to single digits in January. Catching problems early protects equipment long-term and reduces the likelihood of a full system replacement ahead of schedule.

Spring Preventative Maintenance 

Spring is the transition from heating to cooling season. It’s important any issues with air conditioning and cooled systems be identified and resolved before temperatures climb. Having a trained and factory-certified technician performing these tasks is the way to go to ensure everything is done properly, and issues can be identified. 

Typical spring/early summer tasks include: 

  • Inspecting Condenser and Evaporator coils
  • Checking Condensate drain lines: 
  • Tighten Electrical components and connections
  • Replace Air filters
  • Replace belts where applicable
  • Test Thermostat and controls

Summer Operational Checks 

During peak cooling season, the goal is to ensure your systems continue to work consistently. During the summer an operational check should be conducted to ensure that everything continues to run as it should. Filters should be checked and replaced. This is also the best time to clean condenser coils, after the cottonwood seed flies in late May or early June. 

Fall Maintenance Checklist 

The fall visit is the most critical of the year for heating systems. This window gives enough lead time to find and fix problems before the heating season is at peak loads.

  • Inspect heat exchangers, look for cracks
  • Burner inspection and cleaning
  • Check flue and venting
  • Heating controls and safety systems
  • Boiler combustion tests
  • Test Thermostats and controls
  • Replace air filters

Winter Operational Checks 

Similar to the summer, it is just as important if not more important to have your systems checked mid-season during the winter months to confirm that all is still operating properly. 

Corporate Mechanical provides commercial HVAC preventative maintenance programs for buildings throughout the Twin Cities metro. Our union-trained and factory-certified technicians handle everything from routine seasonal service to complex system repairs, available 24/7/365. 

Regular inspections are the most cost effective way to extend equipment life and keep energy costs predictable. To discuss a maintenance program for your building, contact our team.