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What should I do if my AC is blowing warm air intermittently?

Intermittent warm air usually means airflow, thermostat, or low refrigerant. Do a few quick checks, then schedule service if it persists. We provide AC repair in Watertown and Newton. Our $99 AC Tune-Up includes a comprehensive 21-point inspection, refrigerant level check, and coil cleaning.

  • Set thermostat to Cool and Auto.
  • Replace a dirty air filter.
  • Check the breaker and outdoor unit is running.
  • Look for ice on coils; turn system off to thaw.

Updated: 2026-01-02


Need help in Newton Highlands, MA? Call (617) 203-6133 or book online. "Very professional service for fixing our AC unit, Carlos was excellent and I highly recommend Akian!" — Sitan C. Internal link: See our spring HVAC maintenance page. https://www.akianplumbing.com/spring-hvac-maintenance

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