You have no items to compare.


You have no items in your wishlist.

You have no items in your shopping cart.

Subtotal: $0.00

Surround Air Intelli-Pro Air Purifier XJ 3800

Availability: In stock

Condition: NEW

SKU: DZU-Intelli-Pro 3800
Intelli-Pro XJ 3800 is Certified for Sale in California
$ 398.00



Intelli-Pro Air Purifier

7 proven air-cleaning stages for virtually every pollutant type, plus advanced sensor technology



  • Odor, dust and allergen sensors let you know when certain pollutants are detected, such as cigarette smoke, chemicals, dust mites, pollen, pet dander, mold spores and many more.
  • The clean air monitor tells you how clean or polluted the air is, removing the guesswork.
  • Select "Automatic" mode to maximize performance and energy savings.
  • Diagnostic sensors indicate when to replace filters, and when to clean the metal dust collector grid.
  • The UV light and negative ion indicators let you know that these functions are working, and indicate when the UV lamp needs to be replaced, so it is not left in too long or replaced prematurely.

7 Air-Cleaning Methods:

 The washable pre filter does not require replacement, and enhances the durability and performance of the other filters.

 Electrostatically-charged dust collection grid effectively traps charged particles & pollutants like a magnet. Simply wipe clean when dirty.

 Activated carbon filter traps chemicals, gases and odors.

 Long-lasting, high-efficiency HEPA filter - most effective way to capture dust and allergens.

 Photocatalytic oxidation (TiO2) filter which effectively reduces chemicals, bacteria and odors.

 Germicidal UV lamp destroys micro-organisms.

 Air-cleaning negative ions are circulated throughout the room. Completely safe (virtually no ozone), and scientifically proven to be effective and to enhance filter efficiency.

 The Multiple Air Inlet Design enables maximum air flow through the unit. The powerful, yet quiet fan accelerates the purified air throughout the room.

Economical. The Intelli-Pro is energy efficient, and uses sensor technology to reduce electricity usage. Offers low-cost replacement filter and UV lamp.

Quiet. Features "Quiet" setting to maintain peace and tranquility in room. Still fairly quiet even on "High" setting though.


What Sensor Technology Does for You:

Odor, Dust & Allergen Sensors -
Know which airborne pollutants are present.

The Intelli-Pro has sensors to detect odors (such as chemicals and cigarette smoke), dust and allergens (such as pollen, pet dander, ragweed and mold spores). There is an LED indicator light for each of these pollutant types. If odors are detected, the "Odor" indicator light on the control panel will become lit. The same for dust and allergens.

Clean Air Monitor -
Know just how clean or polluted the air really is.

The Intelli-Pro senses just how clean or polluted the air really is, and conveys this information through the four LED indicator lights. The dirtier the air, the more indicator lights that are lit. For example, if all four indicator lights are lit, the air is very polluted. If only one is lit, the air is very clean.

Automatic Mode -
Saves you money on your electric bill by automatically adjusting settings.

In this mode, the Intelli-Pro will automatically adjust the settings of the air purifier according to how clean or polluted the air is. For example, if the air is detected to be polluted, it will run the fan on a higher setting. On the other hand, if the air is determined to be sufficiently clean, it will run the fan on the lowest setting ("Quiet") in order to use less electricity, saving you money on your electric bill.

Filter Replace/Maintenance Indicators -
Take the guesswork out of knowing when to replace filters.

The Intelli-Pro takes the guesswork out of trying to determine when to replace filters and when to wipe the metal dust collector plates clean. The filter sensor lets you know when it is time to replace the HEPA/activated carbon filter. This way, you do not replace it too soon (saving you money), and not too late, when it becomes saturated to the point it begins releasing captured contaminates back into the air.

Ion/UV Light Indicator -
Now you can know the ionizer and UV lamp are working properly.

This sensor verifies the ionizer and UV lamp are working properly. Without these sensors, it is very difficult to know if UV lamps and ionizers are fully operational, since there are few visual or audio signs to verify this. When they are both working properly, the blue light under "Ion/UV Indicator" will go back and forth between dim and bright.

How Intelli-Pro Purifies the Air:


 Washable Pre Filter. The air first enters pre filter, capturing the largest particles, which enhances the durability and performance of the other filters.

 Washable Dust Collector Plates. The electrostatically-charged dust collector grid traps particles and pollutants like a magnet. This is similar to Friedrich C-90A, which is Consumer Reports top-rated air purifier. Unlike the C-90A, the Intelli-Pro has multiple other leading technologies.

 Activated Carbon Filter. The best type of air filter for trapping chemicals, gases, odors and cigarette smoke. According to Penn State Dept. of Aerobiological researchers, carbon filters serve to remove odors, volatile organic compounds (VOCs) and chemicals that other filters cannot.

 High-Efficiency HEPA Filter. The most effective type of air filter at capturing dust, allergens and other solid particles (including bacteria). HEPA filters are recommended by the U.S. Department of Homeland Security.

  Photocatalytic Oxidation (TiO2) Filter. This filter is coated with titanium dioxide, which produces highly reactive ions and electrons when combined with the UV light from the Intelli-Pro's UV lamp. These highly reactive ions attach to chemical molecules, bacteria and odor-causing compounds, destroying them through oxidation. Independent tests by research scientists have proven photocatalytic oxidation to by highly effective.

 Germicidal UV Lamp. The most effective way to destroy micro-organisms, such as germs, viruses, fungi (such as mold) and bacteria. Also destroys micro-organisms including those that are trapped by the HEPA air filter, preventing them from reproducing and recirculating through the room. UV lamps are recommended by the U.S. Centers of Disease Control.

 Safe and Effective Ionizer. Circulates trillions of negative ions to neutralize floating pollutants throughout the room. A Journal of Hygiene study found negative ions to improve efficiency of filter units, and multiple studies (including those by the U.S. Dept. of Agriculture) have found ionizers to be highly effective against dust, bacteria, etc. Finally, the Intelli-Pro ionizer is proven to be safe, producing virtually no ozone whatsoever.

Clinical Test Results:

 Intelli-Pro Outperforms the Consumer Reports
Top-Rated Air Purifier, as well as Other Popular Air Purifiers.


Removal Rates During Clinical Testing:


Air Purifier Model Hydrogen Sulfide Test Particle Removal Test
(15 min)
15 min 30 min
Multi-Tech Intelli-Pro ($299) 96% 98% > 99.9%
Friedrich C-90A ($499)
Consumer Reports Top-Rated Air Purifier
13% 26% > 99.9%
Oreck XL Professional ($370) 8% 17% 82%
Ionic Breeze ($349) 12% 14% 43% (27 min)

Note 1: All air purifier models were tested on "high" setting for the hydrogen sulfide test.
Note 2: All air purifier models were tested on "high" setting for the particle removal test, except the Friedrich C-90A. This model was tested on the "low" setting, since its low setting was more comparable to the other models on "high" in terms of noise and fan speed. Due to the noise of the C-90A on "high", users would likely operate it on "low" most of the time.

About Hydrogen Sulfide. H2S is a strong gas created by stagnant sewage, and is one of the very worst, and most difficult-to-remove pollutants known to man. An air purifiers ability to remove H2S is a good indication of its ability to remove strong odors, odor-causing toxins and volatile organic chemicals (VOCs).

  Aspergillus Mold Test.

The ability of the Intelli-Pro to kill aspergillus mold was also tested. In one hour of time, the Intelli-Pro successfully destroyed 100% of the aspergillus mold cultures. Aspergillus is one of the most toxic and allergenic types of mold.


Intelli-Pro Control Panel:




Compares Favorably to the Competition:

Friedrich C-90A (Consumer Reports Top-Rated Air Purifier). The Intelli-Pro performed comparably to the Friedrich in clinical tests, yet costs $200 less. Both air purifiers feature an electrically-charged dust collection grid and activated carbon filter. The Intelli-Pro also offers an answer for micro-organisms in its germicidal UV lamp. It also offers a HEPA filter, not found in the Friedrich. Finally, the Intelli-Pro provides advanced, sensor technology, none of which is available in the Friedrich.

Ionic Breeze. The Intelli-Pro drastically outperforms the Ionic Breeze in clinical tests. Despite this, it is less expensive than the Ionic Breeze. The Intelli-Pro offers germicidal UV to destroy micro-organisms, a feature found in only the GP version of the Ionic Breeze, which costs $499. The Intelli-Pro also offers the best filters for trapping dust and allergens (HEPA), and for trapping chemicals, smoke, etc. (carbon). On top of all this, the Intelli-Pro has advanced sensor technology not found in the Ionic Breeze.

Oreck. The Intelli-Pro convincingly outperforms the Oreck in clinical tests, yet is still less expensive. It offers a washable electronic filter like the Oreck, but also offers a HEPA filter, unlike the Oreck. HEPA filters are the most effective way to capture dust and allergens. The Intelli-Pro also has an answer for micro-organisms unlike the Oreck, in its germicidal UV lamp. Finally, the Intelli-Pro features advanced sensor technology not found in the Oreck.

U.S. Government Recommendations:

The U.S. Government recommends technologies used in the Intelli-Pro air purifier.

U.S. Centers of Disease Control (CDC) recommends air purifier with both HEPA Filter and UV Light. The CDC also recommends UV lights in homeless shelters to prevent the spread of disease, particularly TB (tuberculosis).

Dept. of Homeland Security recommends HEPA air filters, along with a pre-filter to preserve the life of the HEPA filter.

The U.S. Dept. of Agriculture found negative ions (ionizers) to be highly effective against dust and bacteria in recent studies.

U.S. Department of Energy found that photocatalytic oxidation air purification destroyed VOC chemicals at a significant rate, even at high air flow rates.


 Pollutant Types Removed:

Type Rating Type Rating


















Pollutants Removed By the Intelli-Pro Air Purifier

Just a partial list of the many types of pollutants removed.

Dust/Dust Mites. The Hepa air filter in the Intelli-Pro is highly effective at capturing solid particles such as dust and dust mites. According to the Journal of Hygiene, ionizers help to increase the efficiency of filters, by causing airborne particles to conglomerate, making them easier to capture. Plus, negative ions also cause airborne particles to precipitate out of the air you breathe, and have been found to be extremely effective at controlling dust by U.S. Dept. of Agriculture studies. UV light can be deadly for dust mites.

Bacteria. Many bacteria are effectively captured by the Hepa air filter, as well as the anti-bacterial pre-filter (which also disinfects bacteria). The germicidal UV lamp serves to disinfect the bacteria trapped by the Hepa filter. Plus, according to studies by the U.S. Dept. of Agriculture, ionizers/negative ions are extremely effective at reducing airborne bacteria. The Intelli-Pro also includes a photocatalytic oxidation filter, which has proven to be effective at destroying bacteria.

Pollen and Other Allergens. Hepa air filters are commonly recommended filter for allergens, and are generally considered the most effective filter for allergens. Ionizers/negative ions increase the efficiency of filters by causing airborne particles to conglomerate, making them easier to capture. Plus, negative ions also cause airborne particles to precipitate out of the air you breathe.

Mold/Fungi. Mold spores are effectively captured by Hepa air filters, especially with the help of ionizers/negative ions. UV light is deadly against the microbiological toxins associated with mold. The activated carbon filtration and photocatalytic oxidation technologies used by the Intelli-Pro are effective against mildew smells.

Cigarette Smoke. The carbon air filter in the Intelli-Pro absorbs smoke particles and the toxic chemicals associated with cigarette smoke. With the help of the photocatalytic oxidation filter, it also helps to reduce or eliminate odors from cigarette smoke. The ionizer/negative ions also remove smoke particles from air.

Chemicals and VOCs (Volatile Organic Compounds). The carbon air filter is very effective at absorbing chemicals and gases. Also, photocatalytic oxidation has proven to be effective at breaking up chemical compounds. Furthermore, the ionizer also helps to neutralize chemical fumes.

Germs/Viruses. The UV light is deadly against micro-organisms such as germs/viruses, and highly effective at destroying them as they pass by the UV lamp. Negative ions have also been known to help to neutralize viruses.

Odors. Both the photocatalytic oxidation filter and activated carbon air filter are effective at eliminating or reducing strong odors.

Carbon Monoxide. A statistically significant decrease of CO values was found with an ionizer activated. This was discovered by researchers at Brompton Hospital in London, and published in European Respiratory Journal.

3 Year Warranty

What is covered: All parts defective in material and workmanship.
Exclusions: Regular replacement parts such as air filter cartridges and UV lamps; Plastic clamps that hold in UV lamp.
For how long: Three years from purchase date.
What we will do: Repair or replace any defective parts.
What you must do:

  1. Contact us for return and shipping instructions.

  2. Pack the product in its original carton, and in the same manner in which you received it, or as identical as possible.

  3. Include proof of purchase inside box.

  4. Label and ship the unit, freight prepaid (by customer), to the address provided.


We are very happy with the Surround Air Systems. Thank you for honoring your warranty so promptly. - H. Brewer, Washington

Other Conditions
The provisions of this warranty are in lieu of any other written warranty, whether express or implied, written or oral, including any warranty of merchantability or fitness for a particular purpose. The manufacturer's maximum liability shall not exceed the actual purchase price paid by you for the product. In no event shall the manufacturer be liable for special, incidental