guardian H950AR 30-Hour Easy Top Fill Ultrasonic Humidifierguardian-H950AR-30-Hour-Easy-Top-Fill-Ultrasonic-Humidifier-PRODUCT


To the consumer, Guardian Technologies LLC warrants this product to be free of defects in materials or workmanship commencing upon the date of the original purchase. In order to be eligible for this Limited Warranty, an original sales receipt or comparable substitute proof of purchase bearing the date of original purchase is required. Refer to the original product carton or specific product/model page on the Guardian Technologies website for warranty length for your particular model. This warranty applies only to the original purchaser of this product from the original date of purchase. This warranty covers product purchased from authorized distributors only. This warranty applies to the repair or replacement of products found to be defective in materials or workmanship. This warranty does not apply to damage resulting from unusual wear, commercial, abusive, unreasonable use or supplemental damage. This warranty does not cover damage from unauthorized repairs or from any use not in accordance with the instruction manual. Defects that are the result of normal wear and tear will not be considered manufacturing defects under this warranty. If this product should become defective within the warranty period, we will repair or replace any defective parts free of charge. All warranty repairs must be completed by Guardian Technologies LLC. This warranty gives you specific legal rights and you may also have other rights (other rights may vary from state to state in the U.S.A.) To submit the product under warranty the complete machine must be delivered pre-paid to Guardian Technologies LLC. Please include complete information including the problem, the model number of the product, the day of purchase, and a copy of the original sales receipt along with your name, address, and telephone (email optional). Address returns to the attention of: Customer Service, at the address below. Additional questions or comments can be made toll-free to the number listed below.


  •  CAUTION: To reduce the risk of severe burns, keep this product out of the reach of children and pets.
  •  Disassembly, repair or remodeling by an unauthorized person may result in serious harm and will void the manufactures warranty.
  •  Always place this humidifier on a firm, flat & level surface. This humidifier may not work properly on an uneven surface.
  •  Do not place this product on cloth, carpet or an absorbent surface. This may block air inlet.
  •  This product releases mist. Do not place this humidifier directly on wood furniture, flooring or any surfaces that could be damaged by water. Manufacturer does not accept any liability for damage in the case of the unit being placed incorrectly.
  •  Do not use if the plug is damaged or loose.
  •  Before filling or cleaning the unit, make sure it is unplugged.
  •  Once the humidifier has been plugged in, do not tilt or move the unit.
  •  Do not handle the plug with wet hands.
  •  Do not excessively bend, twist, pull or damage the power cord.
  •  Avoid placing this product where the humidity spout is pointed directly at an object or person.
  •  Do not inhale the mist/vapor expelled from the product or drink water from the tank.
  •  Do not fill the water tank with hot or boiling water.
  •  Do not use this product in direct sunlight or near a heat source such as a stove, heater or radiator.
  •  If the water tank becomes cracked or damaged, do not use.
  •  Do not keep this product running for an extended period of time.
  •  Unplug the cord when unit is not in use for an extended period of time and/or when no one is home.
  •  Do not keep water in the tank when not in use for an extended period of time.
  •  Do not clean the unit, water tank or water reservoir with detergents or chemicals of any kind.
  •  The use of water additives in the tank including ethereal/essential oils, fragrances, eucalyptus, water conditioners, etc. will damage the appliance materials and as a consequence the whole unit. Any use of such additives in the tank will void the manufactures warranty.
  •  Do not use this product near any other electronic device.
  •  Do not cover the spray spout at any time during use. Do not put anything on or in the tank.
  •  IMPORTANT: Neither humans nor animals can hear the high-frequency vibrations.
  •  When unplugging from the outlet hold the humidifier securely.
  •  Do not place cords over objects.
  •  Do not get water in or on the power cord or where it connects to the product.
  •  Do not use it near a sink.
  •  Do not touch the water tank during operation.
  •  Do not submerge the unit in water or pour water on the unit or in the humidity spout.
  •  When emptying water from the water tank, pour on the drain side.
  •  Do not cover the spout with a cloth or hand and do not use it without the spout.
  •  Use clean or distilled water in tank. Hard water areas will require more frequent cleaning. Stop using your humidifier and contact your physician if you have respiratory symptoms which you believe are associated with periods of use of your home humidifier, even if you are following maintenance directions.



Silver Clean™ technology is embedded in the tank to fight the growth of mildew and mold on the surface of the water


Select a firm, level, flat location – at least six inches (15 cm) from any wall or object for proper airflow. Place the humidifier on a water-resistant surface, as water can damage furniture and some flooring. Do not place unit directly on carpet, towels, blankets or other absorbent surfaces. Guardian Technologies will not accept responsibility for damage caused by water spillage.

FILLING – Make sure unit is unplugged


  1.  OR Remove water tank and fill directly under faucet then return the tank to base.
  2.  Return tank lid. Return tank to base by lining up the two arrows on the back of the unit.
  3.  Plug-in unit and press power button. Press once for minimum mist, press twice for maximum mist.
  4.  Add a few drops of your favorite essential oil to the pad in the tray. (Oil not included) WARNING: DO NOT add oils or other additives directly into the water tank. Add only to the pad in the tray. Oils added to the tank will damage the tank and the whole unit. Any use of such additives in the tank will void the manufacturer’s warrantyguardian-H950AR-30-Hour-Easy-Top-Fill-Ultrasonic-Humidifier-FIG-3



  1.  Always unplug the unit before servicing in any way
  2.  Inside the base of the unit. Pour excess water out of the unit. Wash out the unit with fresh water using the cleaning brush and a soft cloth as needed. Use brush to clean underneath float (remove from water tank). Do not submerge the base of the unit into the water, or allow water to enter inside the dry air exhaust port of the unit.
  3.  Water tank. Empty water tank. Clean the bottom and inside of the tank with fresh water and a brush (bottle brush suggested). Clean mist nozzle area.
  4.  The outer surface of the unit. Wipe the surface of the unit with a soft, damp cloth if needed. If you notice an accumulation of water during usage, reduce humidity and dry outer surface with a cloth.\


  •  Depending on usage and water type, cleaning to remove scale may be required weekly or every other week to optimize unit performance.
  •  If you live in a hard water area, we recommend the use of distilled water for your humidifier. This will help reduce the precipitation of minerals or ‘white dust’.
  •  Do not clean the unit or water tank with detergents or cleaning chemicals of any kind.


  1.  Unplug unit. Remove the tank and empty all water from the unit base and tank.
  2.  Locate the ultrasonic disk on the inside of the base unit.
  3.  Use ONLY the enclosed cleaning brush to gently clean the disk and remove build-up and deposits.

If scale becomes difficult to remove with brush:

  1.  Fill the tank with: a mixture of 1 tsp. white vinegar and 1 tsp. water.
  2. . Let the solution stand for 5 minutes.
  3.  With the vinegar in the tank, clean all interior surfaces with a soft cloth or brush to help remove scale.
  4.  Also, check mist nozzle and under float in the water tank. Clean as needed.
  5.  Rinse the tank thoroughly with water to remove the scale and vinegar solution.


Water vapor and humidity are not produced. Power Plug: Unplug and then try again.

Power Failure: When the power is returned, try again.

The surface of the ultrasonic disk is dirty: Clean ultrasonic disk.

Air blows but water vapor is not produced. Excessive Water: Remove a certain amount of water from the tank. Detergent residue and/or oil ingredients from cosmetics may be in tank; wash out the tank and try again.

The surface of the ultrasonic disk is dirty: Clean ultrasonic disk. If you use hard water, replace with softer water.

The humidity level is low. The surface of the ultrasonic disk is dirty: Clean ultrasonic disk.

The water in the unit is too cold: Replace with cool, but not cold water. Damage on the ultrasonic disk: Contact Customer Service

The humidity has a bad smell. Poor maintenance or dirty water: Clean the product thoroughly, and fill it with fresh water.
White dust is forming on nearby furniture. Hard water may deposit a certain amount of dust. Dust in the air also settles because of added humidity in the room. Use distilled water if this becomes a nuisance.
Unit has stopped working. No or low water. Unplug unit and refill tank.
Water is accumulating outside of unit or area surrounding unit. Saturation of humidity. Lower mist control setting.

Unit not level and water is accumulating. Unplug and place on level surface. Raise unit on a water-resistant level surface 2-3 feet off of floor.

Increased noise level. Unit must be placed on a flat, level, hard surface.

Make sure it is NOT placed on a soft or absorbent surface.

Red light above the power button. Indicates low water. Unplug and refill tank.
Cannot smell aroma scent. Add a few more drops of oil to the aroma pad or replace aroma pad with a new one.

Documents / Resources

guardian H950AR 30-Hour Easy Top Fill Ultrasonic Humidifier [pdf] Instruction Manual
H950AR 30-Hour Easy Top Fill Ultrasonic Humidifier, 30-Hour Easy Top Fill Ultrasonic Humidifier, Fill Ultrasonic Humidifier, Ultrasonic Humidifier


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