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Furnace & AC Troubleshooting

DIY furnace and AC troubleshooting tips from Climate Change Heating & Cooling before you call. Serving Genesee County, MI. (810) 308-1498.

Before you call, a few quick checks sometimes solve the problem — and if they don't, we're ready to help.

No Heat?

  1. Check the thermostat — set to HEAT, temperature above room temp, fresh batteries.
  2. Check the furnace switch — the wall switch near the furnace should be ON.
  3. Check the filter — a clogged filter can shut a furnace down. Replace if dirty.
  4. Check the breaker — reset if tripped.
  5. Check the furnace door — most furnaces won't run if the panel isn't seated.
  6. Condensate line (high-efficiency furnaces) — a full or frozen drain can trip a safety switch.

Still no heat? Call (810) 308-1498.

No Cooling?

  1. Thermostat — set to COOL, below room temp.
  2. Filter — a dirty filter chokes airflow and can freeze the coil.
  3. Breakers — both indoor and outdoor units have power.
  4. Outdoor unit — clear of leaves and debris; fan should be spinning.
  5. Frozen coil — if you see ice, turn the system OFF and let it thaw, then call us.

Strange Noises, Smells or Short-Cycling?

These usually mean it's time for a professional look. Turn the system off if you smell burning or gas (and if you smell gas, leave and call your utility), and call us right away.

Safety first: never bypass a safety switch or attempt repairs involving gas or electrical components. That's what we're here for.

Free Estimates — Call Today

Call (810) 308-1498 or request service online for fast, friendly furnace and AC service.

(810) 308-1498