Finding a block of ice on your air conditioner on a hot July day feels like a cruel joke, but an AC freezing up is one of the most common calls J&J gets across Marshall and Battle Creek. When ice forms on the indoor coil or the outdoor lines, the system stops cooling completely. Here’s why it happens and what to do.
Air conditioners remove heat rather than make cold. The indoor evaporator coil gets very cold as refrigerant expands inside it, and warm household air blown across it keeps it from over-freezing. If airflow drops or refrigerant pressure falls, the coil dips below freezing and condensation turns to solid ice.
This causes roughly 90% of freeze-ups. The usual culprits are a clogged filter, closed or blocked vents, a dirty coil, or a weak blower motor. A clean filter is the cheapest insurance, so review how often to change your AC filter and keep vents open.
A leak lowers pressure inside the coil, which lowers its temperature until moisture freezes on it. Adding refrigerant without fixing the leak is a band-aid; you need professional AC repair to find and seal it.
If you replace the filter and it freezes again, call the team that’s served Battle Creek, Coldwater, and nearby towns for over 51 years. Related warm-air and AC is not cooling complaints often share the same cause. schedule a visit today or call (269) 965-1627; the Department of Energy also has tips on central air conditioning.
Never. The fins and copper lines are fragile, and a tool can puncture a line and release refrigerant. AC freezing up. Let the ice melt naturally, then book service.Â
Yes. Even with a clean filter, dust and pet hair on the coil insulate it so it can’t absorb heat, which is why annual AC maintenance matters.
As a large block of ice melts, it can overwhelm the drain pan and overflow, which is a common source of AC leaking water.
Cooling problems thawed fast: call J&J at (269) 965-1627 or schedule a visit today.
Schedule service online or get in touch at (269) 965-1627 today!
As a large block of ice melts, it can overwhelm the drain pan and overflow, which is a common source of AC leaking water.
Cooling problems thawed fast: call J&J at (269) 965-1627 or schedule a visit today.
As a large block of ice melts, it can overwhelm the drain pan and overflow, which is a common source of AC leaking water.
Cooling problems thawed fast: call J&J at (269) 965-1627 or schedule a visit today.
AC freezing up
AC freezing up
9000 M-66 South • East Leroy, MI 49051
(269) 965-1627
Monday - Friday: 8:00am - 5:00pm