Question 1

When should I replace my AC instead of repairing it?

Accepted Answer

The general rule is the 50% rule: if a repair costs more than 50% of a new system, replace it. In Arizona, units over 12 years old are also strong candidates for replacement because the extreme heat shortens their lifespan compared to milder climates.

Question 2

How long does an AC unit last in Arizona?

Accepted Answer

Most AC units in Arizona last 12-15 years due to the extreme summer heat. Units run significantly more hours per year in Phoenix than in cooler climates, which accelerates wear on compressors, capacitors, and other components.

Question 3

Is it worth upgrading from a 10 SEER to a 16 SEER AC?

Accepted Answer

Yes, especially in Arizona. Upgrading from a 10 SEER to a 16 SEER unit can save approximately $480 per year on electricity for a typical 2,000 sq ft home. Over 10 years, that's nearly $5,000 in savings, which often offsets the higher upfront cost.

Question 4

What is the 50% rule for AC replacement?

Accepted Answer

The 50% rule states that if the cost of an AC repair is more than 50% of the price of a new replacement system, you should replace rather than repair. For example, if a new system costs $6,500 and your repair quote is $3,500, replacement is the smarter financial decision.

Question 5

How much does a new AC system cost in Phoenix?

Accepted Answer

A new AC system in Phoenix typically costs $5,500-$9,000+ depending on the size, efficiency rating, and system type. AC Rebel offers direct pricing that saves most homeowners $3,000-$5,000 compared to traditional HVAC company quotes.

Should You Repair or Replace Your AC?