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Replace or Repair Your AC? The 50/50/10 Rule

When a repair estimate comes in, do the math with a simple rule before you decide.

TX A&E Team·February 10, 2026·3 min read
HVAC

Replace or Repair Your AC? The 50/50/10 Rule

When an AC repair quote lands on your counter, the question is always: fix it, or replace the whole thing? Here's the rule of thumb we give every customer.

The 50/50/10 rule

Replace if any of these are true:

  • The system is 10+ years old AND the repair costs 50% or more of a new system
  • The repair cost times the system's age is greater than 5,000
  • The system uses R-22 refrigerant (phased out, increasingly expensive to recharge)

Repair if:

  • The system is under 10 years old
  • The repair is a one-off (capacitor, contactor, blower motor)
  • The rest of the system is in good shape and well-maintained

What we do

We always give you both numbers — the repair cost today, and the replacement cost — along with our honest read on which makes more sense for your situation. No pressure. We'd rather do a $300 repair you come back to us for than push you into a system you didn't need.

Fast response, honest pricing

Ready when you are.
Call or book online.

One call covers electrical and HVAC. Free estimates on installs and major repairs. Emergency response 24/7.

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