Commercial Maintenance


All maintenance plans will include:

15 Point inspection of your A/C system

  • Replace all standard filters
  • Replace belts and adjust tension
  • Lubricate all moving parts
  • Install gauges and check operating pressures
  • Check for adequate refrigerant charge and possible leaks
  • Check voltages and amperages to all motors with meters
  • Check CFM across evaporator coils
  • Check evaporator superheat
  • Check pressure switch cut-out settings
  • Check start capacitor and relays
  • Check compressor contactor
  • Check all wiring and connections
  • Check Freon pressures
  • Clean condensing coil
  • Check that condensing drain is open
We install and service all makes and models of heating and cooling units.

Preventive Maintenance Program

Ensure a long life for your heating and cooling system with our preventive maintenance plan.

Proper maintenance is vital for the effectiveness and longevity of your AC and heating systems. Our HVAC technicians will custom tailor a maintenance program based on our assessment of your needs.

Your maintenance plan includes a 15-point inspection of your heating and AC system, filter replacements, and belt and coil washes. No additional parts will be replaced or repaired without your approval.

Davco Air Conditioning & Heating in Norwood, Massachusetts offers many HVAC service. Call us now at (781) 769-2303 to request a free estimate for our maintenance program.