My Gas Fireplace Makes A Hissing Noise. A noise indicates a gas leak. Many people opt for gas fireplaces due to their convenience.
There are many factors to consider before making a repair or replace decision, including the age and condition of the system, its repair history, and the extent of the current damage. Gas regulator noise causes & cures buzzing, humming, hissing, & other gas regulator noises. I have a potteron flamingo 50s, that is make a lot of noise when in use, it is reasonable quiet just after it is turned on then. On retro's i tell the homeowner usually to leave a very very slight gap around the unit and this seems if you try one remedial measure but it still bangs, you need to make a differential diagnosis before killing yourself throwing cures at it.
It is right at the flame and sounds similar to water dripping down a plastic downspout.
If you are hearing a hissing noise coming from your air conditioning unit, it could be caused by a refrigerant leak. We noticed our gas water heater is making a constant hissing sound. Recently, the van started making unusual hissing noises. Fridge is making noticeable hissing noise for last 10 hours.
