National Heating & Cooling 23660 Grand River Ave. Detroit, MI 48219 - Phone: (313) 538-7100
Annual Maintenance
The best investment to protect your investment
 
There is nothing better for your heating and/or air conditioning system than annual maintenance. Annual maintenance allows your system to work at peak efficiency year in and year out. A system that is maintained annually experiences considerably fewer breakdowns.

This virtually eliminates the need for you to pay for costly repairs. You’ll enjoy the peace of mind in knowing that your system is saving you money on your utility bills every time it comes on. In some instances, the energy savings are enough to pay the cost of the planned annual maintenance service.
What a "Planned Maintenance Program" includes and how you benefit.
Tune-Up Includes:
Check evaporator coil Lubricate fan motor Check manifold pressure
Monitor expansion valve Check start and run capacitors Test fan & limit switch
Check all drains Check start and run delays Clean blower wheel
Adjust bypass dampers Monitor refrigerant level Inspect valves
Clean or replace filters Check operating pressures Check flue
Tighten electrical connections Measure voltage differences Check flame baffle
Evaluate safety controls Measure amperage draw Perform CO test
Measure temperature difference Check and adjust burners Clean heat exchanger
Clean condenser coil Evaluate vent system Test thermocouple
Adjust thermostat calibration Set burner adjustment Check combustion air
Check fan blades for tightness Measure gas input
Benefits
Reduce Cooling and Heating Costs
- improve your equipment efficiency
Free Service Calls
- no charge for diagnosis or service call
Protects Your Home
-assures proper and safe operation!
Preferred Service 
- priority service given over
non-maintenance customers!
Add Years to Equipment Life
-peace of mind!
Agreement is Transferable
- adds value to your home!
Improved Dependability
- comfort available when you want it!
Discount on Repair Service
- up to 15% discount on
non-warranty parts and repairs!
Extended Service Hours:  Monday - Saturday until 10:00 p.m. for
 no heat/no cool.  Sunday and Holiday availability for no heat/no cool
Let us serve you by taking over your equipment's required maintenance. We service nearly every type and brand of heating and air conditioning equipment ever made.
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