Product Overview
The Enerzen O-777 is a corded ozone generator designed for odor treatment in unoccupied indoor spaces. It produces ozone, a reactive form of oxygen, rather than relying on conventional particulate filtration. The unit is intended for temporary treatment sessions followed by a period of ventilation before people, pets, or plants return to the area.
The current O-777 configuration is rated for ozone output up to 60,000 milligrams per hour and uses a 55-watt electrical system. Its compact metal enclosure measures approximately 8 by 6.75 by 5.75 inches and weighs about five pounds. A mechanical timer controls operating duration, while an internal fan circulates ozone through the treatment area.
Typical documented applications include odor treatment in rooms, basements, kitchens, bathrooms, vehicles, boats, and areas affected by smoke, pets, cooking, or persistent musty odors. Ozone exposure presents respiratory hazards, so the machine must not be operated in occupied spaces. The U.S. Environmental Protection Agency also states that an EPA establishment number does not represent federal approval, certification, or endorsement of an ozone-generating device.
Product Information
Identification
| Field | Information |
|---|---|
| Brand | Enerzen |
| Manufacturer | Enerzen |
| Category | Ozone Generator |
| Series | Enerzen Commercial Ozone Generator |
| Model | O-777 |
| UPC | 640213766005 |
| GTIN | 00640213766005 |
| ASIN | B00JAP7388 |
Physical Information
| Field | Information |
|---|---|
| Color | Black |
| Housing Material | Metal enclosure |
| Dimensions | 8 x 6.75 x 5.75 inches |
| Weight | 5 lb |
| Size | 6.75 in L x 8 in W x 5.75 in H |
| Power Source | Corded electric |
Product Identifier Summary
Model Number
The model number identifies the specific Enerzen device configuration. It is especially useful because Enerzen has sold several ozone generators with different output levels and control systems.
Manufacturer Part Number
A manufacturer part number is used to distinguish a specific component or finished product within manufacturing and distribution systems. A separate verified MPN beyond the documented model and catalog identifiers was not confirmed.
UPC
The Universal Product Code is a standardized retail barcode commonly used for inventory management, product matching, and point-of-sale identification in North America.
EAN
The EAN system provides standardized retail identifiers used internationally. A separately verified EAN for this particular O-777 configuration was not confirmed.
GTIN
The Global Trade Item Number is a standardized commercial product identifier. A UPC can be represented within the GTIN system by adding leading zeros to create a fourteen-digit identifier.
ASIN
An ASIN is a catalog identifier assigned by a specific online marketplace. It can distinguish a particular listing but is not a universal manufacturer-issued identifier.
ISBN
ISBN identifiers apply to books and certain publishing products. They are not applicable to an electrical ozone-generating appliance.
Common Uses
- Treating persistent odors in unoccupied rooms.
- Addressing smoke odors after the source has been removed.
- Treating musty odors in basements and similar enclosed areas.
- Deodorizing unoccupied vehicles and boats.
- Addressing pet-related odors after normal cleaning.
- Treating cooking odors in unoccupied kitchens.
- Supporting odor remediation after fire or water-related events.
- Treating odors absorbed into fabrics and other interior surfaces.
Maintenance and Care
The unit should be disconnected from electrical power before cleaning or maintenance. Exterior surfaces can be kept free of dust using a dry or lightly dampened cloth, while liquids should not enter the electrical enclosure.
The washable rear filter should be inspected periodically because accumulated dust can restrict airflow. The filter should be completely dry before it is reinstalled.
The ceramic ozone plate should also be inspected when ozone output declines. A damaged, contaminated, or worn plate may require cleaning or replacement according to the manufacturer’s instructions.
The generator should be stored in a dry indoor location when not in use. Blocking the air intake or exhaust openings can reduce airflow and should be avoided during operation.
Safety Information
The Enerzen O-777 is intended for operation only in unoccupied spaces. People, pets, and plants should be removed from the treatment area before ozone generation begins.
Ozone is a respiratory irritant. The U.S. Environmental Protection Agency states that inhaled ozone can damage the lungs and may cause coughing, chest discomfort, throat irritation, shortness of breath, and reduced lung function. It can also aggravate conditions such as asthma.
After the treatment cycle ends, the space must remain unoccupied while residual ozone dissipates. Manufacturer instructions specify allowing at least 30 additional minutes and ventilating the area before re-entry. Larger or poorly ventilated spaces may require additional airing time.
The manufacturer identifies EPA Establishment Number 94263-CHN-1 for this product family. An EPA establishment number identifies the facility associated with production and does not indicate that the EPA has approved, certified, or endorsed the device.
The product is not offered for sale in California through the manufacturer’s current distribution channel. Users should also follow applicable state, local, workplace, and occupational regulations concerning ozone-generating equipment.
Technical Specifications
| Specification | Value |
|---|---|
| Model | O-777 |
| Device Type | Commercial ozone generator |
| Ozone Output | 60,000 mg/h |
| Power Consumption | 55 W |
| Power Source | Corded electric |
| Noise Level | 30 dB |
| Dimensions | 8 x 6.75 x 5.75 inches |
| Weight | 5 lb |
| Color | Black |
| Ozone Generation Component | Ceramic ozone plate |
| Air Intake Component | Washable filter |
| Control Type | Mechanical timer control |
| Primary Function | Unoccupied-space odor treatment |
| EPA Establishment Number | 94263-CHN-1 |
| Warranty | 1-year limited warranty |
Product History
The O-777 belongs to Enerzen’s line of portable ozone generators intended for odor treatment. Enerzen has offered several models with different ozone output ratings and control configurations, including the O-555, O-777, O-888, and other related units.
The O-777 has appeared in earlier configurations with lower advertised ozone-output ratings. Current manufacturer information identifies the present configuration at 60,000 milligrams per hour. This means older documentation or secondhand examples may display specifications different from those of the current version.
The O-777 is positioned below the higher-output O-888 within the current product family. The O-888 is a separate model and should not be confused with the O-777 associated with this product identifier.
Key Features
- Generates ozone for temporary odor-treatment applications.
- Rated ozone output of 60,000 mg/h.
- 55-watt corded electrical operation.
- Mechanical timer-based operation.
- Internal fan circulates ozone through the treatment space.
- Replaceable or serviceable ceramic ozone plate.
- Washable rear air filter.
- Compact portable enclosure with carrying handle.
- Designed specifically for unoccupied-space operation.
Package Contents
- Enerzen O-777 ozone generator unit
- Ceramic ozone plate
- Washable filter
- Power cable
Compatibility
The O-777 is a self-contained corded appliance rather than a component designed for integration with a central HVAC system. It is intended to operate from a compatible household electrical outlet in accordance with its electrical requirements.
The device can be used in enclosed areas such as rooms, vehicles, boats, basements, and similar spaces when those areas can remain completely unoccupied throughout treatment and the required ventilation period.
The machine is not a substitute for conventional particulate filtration. It does not function like a HEPA air cleaner, and its primary documented purpose is temporary ozone-based odor treatment rather than continuous occupied-space air cleaning.
Frequently Asked Questions
What model is associated with this product identifier?
The verified model is the Enerzen O-777. It should not be confused with the higher-output O-888, which has a separate product identifier.
Can the Enerzen O-777 be used while people are in the room?
No. The manufacturer directs users to operate the ozone generator only in unoccupied spaces and to remove people before beginning a treatment cycle.
Should pets remain in the treatment area?
No. Pets must be removed before ozone generation begins. Plants should also be removed from the space according to manufacturer safety instructions.
How long should a room remain empty after the machine stops?
The manufacturer specifies waiting at least 30 additional minutes after ozone production ends and airing out the area before re-entry. Actual ventilation needs can vary with room conditions.
Does the O-777 replace a HEPA air purifier?
No. A HEPA purifier mechanically captures airborne particles as air passes through a filter. The O-777 instead generates ozone and is intended for temporary odor treatment in empty spaces.
Can it be used in a vehicle?
Vehicles are among the documented applications for ozone odor treatment. The vehicle must remain unoccupied during operation and should be thoroughly ventilated before anyone enters it again.
Does the O-777 require installation?
No permanent installation is required. It is a portable corded appliance that is positioned within the treatment area before operation.
What maintenance is required?
Routine maintenance includes keeping airflow paths clear, cleaning the washable filter, inspecting the ceramic ozone plate, and replacing worn components when necessary.
What should be checked if ozone output decreases?
A restricted filter, contamination on the ozone plate, or plate wear may reduce output. The machine should be disconnected from power before inspection or maintenance.
Does an EPA establishment number mean the device is EPA approved?
No. The EPA states that an establishment number identifies a manufacturing establishment and does not represent approval, certification, endorsement, or a finding that the device is safe or effective.
Can ozone remove the source of every odor?
No. Physical sources of odors should be removed or cleaned whenever possible. Ozone treatment does not replace remediation of mold growth, contaminated materials, sewage, moisture intrusion, or other underlying causes.
Can the unit operate continuously in an occupied building?
No. It is designed for temporary ozone treatment in spaces that have been evacuated. Continuous occupied-space use conflicts with the manufacturer’s safety instructions.
What warranty applies to the O-777?
Current manufacturer information lists a one-year limited warranty. Specific coverage, exclusions, and claim procedures should be confirmed using documentation supplied with the unit.
Buying Considerations
Model identification is important because several Enerzen ozone generators have similar physical designs. The O-777 associated with this product identifier is distinct from the O-888 and other Enerzen models with different ozone-output specifications.
Prospective users should determine whether an ozone generator is appropriate for the intended environment before considering treatment. Ozone-producing devices require complete evacuation of people and animals, followed by sufficient ventilation before the area is occupied again.
An ozone generator should not be selected as a replacement for source removal, ventilation, particulate filtration, mold remediation, or other established indoor-air-quality measures. Persistent odors caused by moisture, combustion, biological contamination, or structural damage may require correction of the underlying condition.
Used examples also require additional inspection because ceramic ozone plates and filters are service components. A machine that powers on does not necessarily indicate that its ozone-generating component remains within its original operating condition.
Customer Feedback Summary
This section summarizes recurring themes found in publicly available owner feedback and does not represent verified technical specifications. Users commonly discuss the O-777 in connection with smoke, pet, vehicle, musty, and other persistent odor-treatment applications.
Frequently reported positive themes include the compact enclosure, straightforward timer operation, portable handle, and noticeable change in odor after treatment. Some owners also describe using the machine for spaces where ordinary cleaning did not fully address lingering smells.
Commonly reported limitations center on the strong ozone odor during and after operation and the need to keep treatment areas vacant. Owners also note that ventilation time must be considered before a room or vehicle can return to normal use.
Long-term feedback sometimes mentions declining ozone output as the ceramic plate becomes dirty or worn. This makes periodic inspection and maintenance relevant, particularly for units that receive frequent use.
Related Products
- Enerzen O-555 Commercial Ozone Generator
- Enerzen O-888 Industrial Ozone Generator
- Enerzen O-UVC Series Ozone Generators
- Enerzen O-111 Compact Ozone Generator
- Portable commercial ozone generators
- HEPA air cleaners for occupied-space particulate filtration
Last Updated
August 13, 2026
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