Quick聽Steps聽to Repair聽a Frozen Air Conditioner
Does the air聽flowing聽from your supply registers聽suddenly聽seem聽warm?聽Check聽the indoor聽portion聽of your air conditioner. This聽part聽is聽situated聽within聽your furnace or air handler, if you聽rely on聽a heat pump. If there’s water聽leaking聽onto the floor, there聽may聽be聽ice聽on the evaporator coil. The AC coil聽in聽the聽system聽may聽have聽frozen. You’ll need to聽defrost聽it before it can cool your聽residence聽again.
Here’s聽what to do. If you can’t get the coil聽back to normal,聽黑料社区聽is here to聽assist you聽with聽air conditioning repair聽in聽the U.S.聽upheld by聽a 黑料社区聽Guarantee.*
Step 1:聽Set the Air Conditioning to Off聽and the Blower On
To get started—set聽the thermostat from “cool” to “off.”聽This聽prevents聽cold聽refrigerant from聽going聽to the outdoor compressor, which could聽damage聽it and聽cause聽a costly聽repair.
罢丑别苍,听switch聽the fan from “auto” to “on.”聽This聽makes聽hot聽airflow over the聽frosty聽coils to聽help them聽defrost聽faster.聽Remember聽to set the cooling mode to “off” so the air conditioner doesn’t聽start聽a cooling cycle.
It聽could聽take聽under聽an hour or聽the better part of a聽day for the ice to聽defrost, depending on the聽extent聽of the聽buildup. While you’re waiting,聽check聽the condensate pan聽below聽the AC unit. If the drain line is聽blocked, it聽could聽cause a mess聽as the ice melts,聽potentially聽creating聽water damage.
Step 2:聽Diagnose聽the聽Trouble
Bad聽airflow is a聽prime聽explanation聽for an AC to聽become frozen. Here’s how to聽get to the bottom of聽the聽situation:
- Inspect聽the filter.聽Low聽airflow through a聽dusty聽filter could be聽the problem.聽Check聽and聽replace the聽filter聽monthly聽or聽once聽you聽observe聽a layer of dust.
- Open any聽sealed聽supply vents.聽Your聽home's聽supply registers should聽be聽open聽all the time.聽Sealing聽vents聽limits聽airflow over the evaporator coil, which聽may聽cause it to freeze.
- Be on the lookout聽for聽obstructed聽return vents.聽These聽typically聽don’t聽use聽moveable聽louvers, but furniture, rugs or curtains can still聽cover聽them.
- Not enough聽refrigerant:聽While airflow restrictions are the most聽frequent聽cause, your聽air conditioner聽may聽also聽have insufficient聽refrigerant. Depending on聽how old it is, it may聽rely on聽Freon¨.聽Not enough聽refrigerant聽requires聽professional聽support聽from a certified HVAC聽technician. H2: Step 3:聽Contact聽an HVAC聽Specialist听补迟聽黑料社区 Heating, Air Conditioning & Plumbing
If聽inadequate聽airflow doesn’t聽feel like聽the聽issue, then聽something else聽is聽causing聽your AC聽freeze up. If this聽is the case,聽merely聽thawing it out聽won’t聽fix聽the聽issue. The evaporator coil聽is likely to聽continually freeze聽unless you聽take care of聽the聽main聽issue.聽an HVAC聽pro聽to聽check for聽troubles聽with your air conditioner, which聽issues聽include:
- Refrigerant leak:聽AC units聽keep using聽refrigerant, so it shouldn’t聽get used up.聽Not enough聽refrigerant聽is a sign of聽a leak somewhere. Only a聽tech聽can聽pinpoint聽the leak,聽fix聽it, and recharge the聽air conditioner聽to the聽appropriate聽level.
- Grimy聽evaporator coil:聽If聽dust聽builds up聽on the coil, air can’t聽get to聽it, and it’s聽liable聽to freeze.
- 叠谤辞办别苍听产濒辞飞别谤:聽A聽faulty聽motor or unbalanced fan聽could聽halt聽airflow over the evaporator coil.
Get in touch with聽your AC freezes up,聽call on聽the聽ACE-certified聽pros听补迟聽黑料社区 Heating, Air Conditioning & Plumbing聽to聽fix聽the聽trouble. We have聽years聽of聽experience helping homeowners聽troubleshoot聽their air conditioners, and we’re聽confident聽we can get things聽running聽again聽fast.聽Contact us听补迟 (866) 963-7996 to聽book聽air conditioning repair in聽the U.S.聽with us聽right away.
