Inspection Points for Cooling Equipment Include:

• Install gauges and check operating pressures
• Check voltage and amperage to all motors
• Check air temperature drop across evaporator
• Check for adequate refrigerant charge and possible leaks
• Check evaporator superheat
• Lubricate all moving parts
• Check belt and adjust tension
• Check filter
• Check pressure switch cut-out settings
• Check electrical lock-out circuits
• Check starting contactor contacts
• Check all wiring and connections
• Check air temperature across the condenser
• Check that condensate drain is open

Inspection Points for Heating Equipment Include:

• Vacuum clean burner and controls
• Clean and adjust pilot assembly
• Check for gas leaks in furnace
• Lubricate all moving parts
• Check belt and adjust tension
• Check filters
• Check flue pipe for proper draft
• Shut down central air conditioner
• Turn exposed dampers to heat position if marked
• Check that crankcase heater is operating
• Check all safeties
• Install gauges and check operating pressures
• Check voltage and amperage to all motors
• Check air temperature rise across evaporator
• Check for adequate refrigerant charge and possible leaks
• Lubricate all moving parts
• Check belt and adjust tension
• Check filters
• Check pressure switch cut-out settings
• Check electrical lock-out circuits
• Check starting contactor contacts

All preventive maintenance customers are placed on a priority list for emergency service and any additional service or parts required are billed at 10% less than our standard charge.


Commercial preventive maintenance contracts provide quarterly, bimonthly or monthly inspections as needed. Commercial contracts are designed around the specific equipment at the installation. Please contact us for a written quote.