AC Repairs

Under Warranty	If still under manufacturer’s warranty.
Under 10 Yrs. Old	A regularly maintained system under 10 years with no major repair history.
Over 10 Yrs. Old & Well Maintained	A regularly maintained system over 10 years with no major repair history
Minor Repair	Good operating condition, little-to-no major repair history, minor repair required.
Good Efficiency	If you have a good or high efficiency system with no major repair history.
Budget Constraint	Good operation condition, low utility bills, and you are under budget constraints.

Over 10 Yrs. Old	If over 10 years old, consider a replacement or at least the budget for an energy efficient system.
Poor Efficiency	Any system under performing in terms of efficiency due to age and deterioration should be considered for replacement.
Frequent Break-Downs	Any system that hasn’t been properly maintained and/or with major repair history should be considered for replacement. Frequent minor repairs should also be considered.
High Cost Repair	Systems that encounter major component failure should always be considered for replacement.
R-22 Factor	Air conditioning systems with R-22 type refrigerant should be considered for replacement because of EPA’s ruling to stop production of this ozone depleting chemical.

Source: ASHRAE (American Society of Heating, Refrigerating, and Air Conditioning Engineers). ASHRAE Applications handbook.