What's Actually Included in an AC Tune-Up?

August 11, 20265 min readPerma Services HVAC

Tune-up pricing in Sacramento varies a lot, and the difference isn't the technician's hourly rate — it's what actually gets measured. Here's the full list, so you can compare quotes on scope instead of price.

The 12 checks a real AC tune-up includes

  • Refrigerant charge verified by superheat and subcooling
  • Capacitor microfarad test under load
  • Compressor and fan motor amp draw
  • Contactor inspection for pitting
  • Condenser coil cleaning
  • Evaporator coil inspection
  • Static pressure across the filter and coil
  • Temperature split across the air handler
  • Condensate drain flushed and treated
  • Float switch tested
  • Electrical connections tightened
  • Thermostat calibration against actual return-air temperature

What a bargain special usually skips

Gauges. Almost every rock-bottom tune-up is a visual inspection plus a filter swap, then a sales conversation. If refrigerant readings and amp draws aren't written on your invoice, the system wasn't really tested.

When to book

Cooling tune-up in March–May, heating check in September–November. Booking in the shoulder season means you're not waiting behind emergency calls, and any parts we find can be replaced on a normal schedule.

What you should get afterward

A written report with the actual readings and a plain-language note on how the equipment is aging — including a rough remaining-life estimate so replacement is a plan, not a surprise.

Frequently asked questions

How much is an AC tune-up in Sacramento?+

Ours is a flat rate for a single residential system, quoted before we schedule, with every reading documented.

How often should I get a tune-up?+

Once a year minimum; twice if you have a heat pump, since it runs in both seasons.

Will a tune-up lower my energy bill?+

Usually yes — correct charge and clean coils typically recover 10–25% of lost efficiency.

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