call today (703) 490-3777

Serving
Northern Virginia
Since 1938

Maintenance Plans

To save on utility bills and service calls, we urge you to take a preventive approach to heating and cooling. All of your heating and cooling systems should be included in a regular inspection and maintenance program.

Why should you sign up for a Maintenance Agreement?

Properly maintained equipment:

  • functions more efficiently
  • lasts longer
  • saves you money!

What does our Maintenance Agreement include?

  • Regularly scheduled maintenance
  • 10% discount on parts & service
  • Priority service

Residential

Residential contracts provide for a spring check-up on your air conditioning equipment and a fall check-up on heating equipment. Here is what is covered on each of these visits.

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

Commercial

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.

Why E.M. Logan?

  • Family owned & operated
  • Highly trained & experienced technicians
  • Front-line owner involvement
  • Emergency service available
  • Free estimates on new installations
  • Dedicated to customer satisfaction
  • Factory-backed extended warranties
  • Radio dispatched fully stocked trucks
  • Free second opinions