Do you hear a loud banging noise coming from your outdoor unit.
Outdoor hvac unit making loud noise.
Heat pumps have reversing valves that reverse the flow of refrigerant between the heating and cooling modes.
Prop up plywood around the unit so you can judge how much good a fence will do.
How to fix loud strange noises coming from your ac unit.
Heat pumps do tend to makes strange and or loud noises at times more so in the winter.
If so it s probably the compressor.
If you notice a loud buzzing noise coming from your air conditioner chances are your unit is malfunctioning.
The problem is likely the fan.
During the winter whenever the heat pump goes into the defrost mode this valve shifts.
Noisy air conditioner solution.
Read on to find the best solution based on the cause of the problem.
Unusual or unexpected noises coming from your outdoor unit is a sign that your unit may be in some need of mechanical or electrical maintenance or repair.
Your ac compressor is the part that s responsible for circulating refrigerant the liquid gas that cools your home s air.
Outdoor unit makes strange or loud noises.
Your outdoor unit also contains a fan.
Sometimes a heat pump may make loud noises that sound like metal hitting metal inside the unit.
Although some of the noises your air conditioner makes are expected and can be attributed to its normal operation there are a few sounds that warrant the help of a licensed hvac professional.
A healthy well maintained hvac unit will typically run quietly buzzing to itself in the background.
You should turn the unit off immediately and inspect the fan.
And just like the indoor fan parts can become loose.
When the outdoor unit runs there s a clanging or banging noise coming from it the noise doesn t happen with you turn your thermostat to fan.
You hear a high pitched whistling or screaming sound for 10 15 minutes after the ac first kicks on.
Causes of an air conditioner s buzzing noise.
High efficiency ac units incorporate sound dampening technology and two stage variable speed compressors to keep noise levels below 55 decibels.
Is your ac screaming whistling.
And then the fan can hit other parts of the outdoor unit causing a slamming sound.
The outdoor unit s fan is hitting something could be an obstruction that shouldn t be there like a stick or that the fan has come loose from the mount and is wobbling and hitting its protective cage.
Parts on condenser fans can come loose and knock against other parts of the outdoor unit making a banging noise.
Your ac might also turn on and off frequently.
These types of sounds are often the result of the fan blades hitting something that has ended up inside the unit such as a chunk of ice or another component.
An air conditioner compressor.
Fencing one or all sides of an air conditioner s outside unit can deflect noise.
Fan knocking against unit.
