The 5 signs your AC is dying.
- 1Age 12+ years — Most LA residential ACs are designed for 12-15 years. Coastal LA (Santa Monica, Manhattan Beach, Malibu) hits the lower end of that range due to salt-air corrosion.
- 2Refrigerant leaks requiring repeat recharges — If your contractor has refilled refrigerant more than once in 24 months, you have a slow leak. R-22 refrigerant systems (pre-2010) are nearly unrepairable in 2026 due to refrigerant phase-out.
- 3Compressor short-cycling — System turns on/off every 2-5 minutes instead of running 10-20 minute cycles. Usually a compressor or capacitor failure imminent.
- 4Cooling capacity dropping — Same thermostat setting, takes 30% longer to cool to setpoint vs the same month last year. Heat exchanger / coil degradation.
- 5Repair bills accumulating — More than $1,000-$1,500 in repairs over 12 months. The 6,000 rule: if (age × most recent repair cost) > $6,000, replace.
The repair-vs-replace calculator.
Use this in 30 seconds:
| If your AC is… |
And the repair quote is… |
Then… |
| 0-7 years old |
Under $500 |
REPAIR |
| 0-7 years old |
$500-$1,500 |
REPAIR if under warranty, else get 2nd opinion |
| 0-7 years old |
$1,500+ |
Compare to replacement quote — close call |
| 8-12 years old |
Under $500 |
REPAIR (buy more time) |
| 8-12 years old |
$500-$1,000 |
Get replacement quote for comparison |
| 8-12 years old |
$1,000+ |
REPLACE (better long-term math) |
| 12+ years old |
Any cost |
REPLACE with heat pump (rebates make the math work) |
Why heat pump beats AC like-for-like replacement in 2026.
If your AC is dying, you have two paths:
- AReplace AC like-for-like: New AC ~$8,000-$12,000. Keep your old gas furnace. No rebates apply to a like-for-like AC replacement in LA in 2026.
- BUpgrade to heat pump: New heat pump $10,000-$16,000 gross. Replaces both AC and gas furnace. Qualifies for: IRA $2,000 federal credit + TECH Clean California $1,000-$4,000 rebate + utility rebate $500-$1,500. Net cost: $6,500-$8,500 — often LESS than a like-for-like AC replacement.
Plus the heat pump cuts your annual heating costs by 50-65% (vs gas furnace) AND your cooling costs by 20-30% (vs old AC). On a typical Sherman Oaks home, that’s $700-$1,100/year savings.
What to do in the next 24 hours.
- →Stop the bleeding: Close all blinds on south/west-facing windows. Turn ceiling fans counter-clockwise (downdraft). Don’t run oven/dryer until evening.
- →Check the breaker: If outdoor unit is silent but indoor unit runs, check the outdoor unit breaker (typically next to the outdoor unit or in your main panel). Reset once. If it trips again, leave it off and call a tech.
- →Check air filter: A clogged filter causes evaporator coil to ice up and shuts down cooling. Replace if filter is gray/black.
- →Schedule an honest diagnostic: A real HVAC tech (CSLB-licensed C-20) can give you a diagnosis in 30-60 minutes. Avoid lead-gen platforms — they’ll send you 5 different contractors. HUS provides direct same-week diagnostic visits.
- →Get the heat pump quote alongside the AC quote. If anyone offers you AC-only replacement without mentioning heat pump rebates, get a second opinion.
