Having Annual Maintenance performed on your HVAC system is

2 HVAC preventative maintenance visits per year

check system operation 

Check filter (filter not provided)

visual inspection of all visible duct work

visually inspect the indoor coil

check all electrical connections

inspect blower wheel and motor

check all capacitors in the indoor unit

check blower motor operation

check temp split

check compressor operation

check outdoor fan motor

check refrigerant levels

inspect line set insulation

visual inspection of all equipment

wipe down indoor and outdoor unit

10% discount on future service calls

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One time HVAC preventative maintenance visit includes all the same services as the VIP agreement, but does not include the 10% discount on future service calls