Hi, I'm hoping someone can help me. This is an older unit, we just replaced the compressor back in July and now once I started running the heat it makes a really loud high pitch squealing noise when it's running. Inside the house everything works fine, the heat comes out, etc... It is a heat...

We have a high pitched noise coming from our a/c - you can hear it outside and inside. It seems to cycle through. It doesn't come on immediately, the unit is cooling well and it seems to be getting worse. I have had two a/c guys come out - one added a dryer ($300 later) to the unit and then told...

Model #417.94702300. It's 6 years old. It only makes noise once its warmed up but then it doesn't stop. The other noise it makes is a lower pitch rubbing sound. Any help troubleshooting this would be appreciated as I cannot afford a technician. Thanks.

We recently moved into a new home. Every time I've used the oven, it makes a very high pitch noise from the time you turn it on until the time you turn it off. Everything on the stove works perfectly--it just makes this loud, often annoying noise that keeps us from wanting to use our eat-in...

I am a builder. I have a homeowner who has 3 Trane A/C units. It took a while to distinguish which unit was squeeling. But we now know that when the second floor unit comes on the A/C compressor on the outside make a loud squeeling noice that wakes the homeowner at night. It makes the noise for...