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Why is my exhaust hood leaking grease?
Why is my exhaust hood fan squeaking? or making other noises?
How often do exhaust hood systems need cleaned?
Exhaust hood system not working?
Why is a kitchen exhaust hood cleaning necessary?

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Why is my exhaust hood leaking grease?

hood cleaning, hood cleaning,hood cleaning, hood cleaning,hood cleaning, hood cleaning,hood cleaning, hood cleaning,hood cleaning, hood cleaning,It doesn't happen often, but sometimes customers call us and tell us that their exhaust hood is leaking grease.  We are going to have to ask some questions to narrow that problem down.
Did you just have your hood cleaned?  If so, it may not be grease.  It may be dirty brown water.  If this is the case it isn't altogether uncommon.  What happens?  Hoods are built by countless craftsmen, using a variety of 
kitchen exhaust hood models, but there remains only one type of hood cleaning- -a wet one.

Why is my exhaust hood fan squeaking? or making other noises?

Exhaust system fan motorWe normally get service calls after the squeaking has stopped.  That's because whatever was squeaking is now broke and the caller is now facing a bigger problem than an annoying noise.  It is a minor emergency when the kitchen exhaust system completely shuts down.  Noises coming from the hood are almost always generated from the exhaust fan since it is the only mechanical or moving part in the hood system.  Typical noises are squeaking, tapping, clanking, banging, scraping just to name a few.

How often do exhaust hood systems need cleaned?

A very popular question we get here at Hoods Unlimited is how often does my exhaust system need cleaned and who requires it?  Well, I suspect if you currently find yourself having to hurry and find a hood cleaner you know that either your fire marshal or insurance agent is requiring that your kitchen exhaust hood system needs cleaned.  Lets talk about these people and where they get their information.
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Fire Marshal's have the enormous task of ensuring all the public buildings in their jurisdiction adhere to the many fire codes no matter the fire risk.

Exhaust hood system not working?

Find the switch for the kitchen exhaust hood system hereExhaust hood system fan
When Hoods Unlimited receives a phone call from a customer whose hood is not working we usually work them through a few trouble shooting tips:

  • First and easiest thing to check is the breaker box to see if there is an electrical problem throwing the breaker.
  • Then next thing to check is the fan belt.
  • If either of these are not the problem, the fan motor may have died. 


Why is a kitchen exhaust hood cleaning necessary?

Well next to your fire marshal expecting a professional kitchen exhaust hood cleaning, your insurance requires it, and NFPA96 codes and standards have written it.  The cooking process emits heavier than air oil particles into the air which a properly working kitchen exhaust hood then captures in its air current and discharges it into the outside atmosphere.  It is in this process that centripetal forces sling the greasy residue out of the air current onto the appurtenance surfaces every time the current changes directions.

Why is my kitchen hot, smokey, fan not running?

New Kitchen Exhaust Fan BeltOld Kitchen Exhaust Fan Belt
Why is my kitchen hot? Smokey? fan not running?
Many times during a kitchen exhaust hood cleaning we find that a hood isn't doing it's job.  This will result in a hot, smokey kitchen and hood noises such as the humming of the fan has stopped.  The problem most often found upon inspection is a fan belt is broken.  Most fan belt manufactures of kitchen exhaust hood fan belts will recommend changing the belt every 6 months.  That is why all our service trucks carry most common belt sizes in order to fix damaged belts.
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