Reviews on Lenox heat pumps for noise
A heat pump is essentially an air conditioner that can also run in reverse. It transfers heat from a substance or space at one temperature to another at a higher temperature. See more information at www.604goodguy.com/hp-faq.html.
what kind of noise is it making like it is coming loose - banging - rattling or what ?if you care to more specific - it will be easier to try to advise you .