IQAir GC MultiGas

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The IQAir GC MultiGas is an air purifier developed specifically for those that are living in an area with poor air quality or are suffering from chemical sensitivity. Its capacity to remove everyday air pollutants, as well as harmful chemicals, VOCs, and airborne allergens from the air you breathe, has made it the top-rated air purifier for those with multiple chemical sensitivity (MCS) or those simply seeking an elevated level of air purification.

Whether you are sensitive to the chemicals in your home or you are currently living in an area exposed to wildfire or tobacco smoke, the IQAir GC MultiGas is guaranteed to improve the quality of the air in your space. The high-capacity filtration system and sealed design, filters gases, chemicals, and VOCs from the air 100 times more effectively than HEPA only air purifiers, leaving your home smelling fresh and you breathing clean healthy air.

The IQAir GC MultiGas comes equipped with a specialized 4-stage filtration system:

  • First, the HyperHEPA Pre-Filter, which is certified to filter at least 99.97% of all particles down to 0.3 microns, removes ultra-fine particles (e.g. pollen, mold, and viruses) as well as, larger particles (e.g. dust).
  • Second, the GC MultiGas Gas Filter Cartridge uses granular activated carbon adsorption to eliminate VOCs and odors (e.g pet odors, smoke, and benzene)
  • Next, the GC MultiGas Carbon Cartridge, which also includes a pelletized additive, destroys harmful chemicals (e.g. formaldehyde).
  • Lastly, the Post Filter Sleeve, wrapped around each gas cartridge, prevents dust from being released from the unit and into the air you breathe.

This 4-stage filtration system, which comes with the filters already installed and ready for use, will effectively purify the air of any 750 sq/ft space.

The IQAir GC MultiGas state-of-the-art air circulation system and its unique EvenFlow Diffuser with 320-degree output system allows the air to be circulated and the chemicals and odors to be removed more efficiently, quietly, and quickly than any other air purifier on the market.

Other highlights:

  • Full functioning remote control
  • A 4-key touchpad LCD display
  • Fully programmable timer
  • Four languages available
  • LED lights to monitor the life of each filter
  • 6 speed settings
  • Available in light grey with blue trim.
  • Quick Access to all filters (no tools required).
  • Castor Wheels make it easily portable throughout your home.
  • Swiss Made with only the highest quality, non-off-gassing materials
  • 10 Year Limited Warranty

The IQAir GC MultiGas is guaranteed to remove harmful chemicals and VOCs from the air in your space, leave your home smelling clean, and, most importantly, leave you breathing easy.

Filter Details
Pre-Filter HyperHEPA H11 Pre-Filter for coarse, fine, and ultra fine particles (Non-woven glass microfiber HEPA filter, non-offgasing separators)
HEPA Filter Included in Pre-filter (≥ 99.97% at ≥ 0.3 microns and ≥ 95% at ≥ 0.003 microns)
HEPA Surface Area 32 sq/ft
Carbon Filter GC MultiGas Cartridges for gas and odour control, containing high-grade activated carbon and alumina pellets impregnated with potassium permanganate with GC Post-Filter Sleeves for fine dust control
Carbon Weight 12 lbs (Four 3 lb cartridges)
Carbon Surface Area 1500 acres
UV Light Not available
Filter Life Monitor 3 filter life status LEDs, one for each stage of filtration

Operational Details
Delivered Air Flow 300 CFM (est.)
Coverage (3-6 Air changes/hour) 375 - 750 sq/ft
Intake Dual arches at base of system
Outflow 320 Degree EvenFlow diffuser
Fan Control 6 speed settings (40, 75, 130, 170, 200, 300 cfm)
Noise Level 35, 46, 54, 60, 64, 69 dB
Remote Control Full function remote control
Programmable Timer Fully programmable with 4-key touch-pad with 16 character 2-line LCD display
Ozone Emissions None

Manufacturing Details
Size H 28 x W 15 x D 16 in (H 71 x W 38 x D 41 cm)
Weight 44 lbs (20 kg)
Maneuverability Includes 4 castor wheels
Materials and Finish Non-offgasing, impact-resistant, UV-stabilized ABS
Available Colors Light grey and blue
Filter Access Through top and side of unit, no tools required

Other Details
Electrical Requirements 100-120 V, 50/60 Hz
Power Consumption 27, 53, 92, 121, 154, 215 Watt
Approvals CSA rated for continuous operation under applicable UL and CSA standards, BSMI
Country of Manufacture Switzerland
Warranty 10 year limited warranty

The IQAir GC MultiGas features a revolutionary modular tower design, which snaps open to allow access to all filters in a matter of seconds. By simply releasing the locking arms and sliding the filters out of the frame, almost anyone can replace any of the GC MultiGas filters in a matter of minutes without special tools or complicated processes. No other air purifier even comes close to the simplicity of maintaining an IQAir air purifier.

The IQAir GC MultiGas comes with the following filters installed and ready for use. Below is some information on filter life expectancy and replacement costs.

Filter Life Cost
GC HyperHEPA Pre-Filter H11 1-2 Years $109
GC Post-Filter Sleeve Set 2-3 Years $129
GC MultiGas Cartridges 2-3 Years $399

The table below shows estimated room coverage in square feet for the IQAir GC MultiGas. When selecting an air purifier keep in mind that fan speed and noise go hand in hand and it may not be possible to operate at high speed in some environments. AirFresh Solutions recommends 3-6 ACH for most common applications.

ACH* High Fan Speed Low Fan Speed
1 ACH 2250 sq/ft 750 sq/ft
2 ACH 1125 sq/ft 375 sq/ft
3 ACH 750 sq/ft 250 sq/ft
4 ACH 562 sq/ft 187 sq/ft
5 ACH 450 sq/ft 150 sq/ft
6 ACH 375 sq/ft 125 sq/ft
7 ACH 321 sq/ft 107 sq/ft
8 ACH 281 sq/ft 93 sq/ft
9 ACH 250 sq/ft 83 sq/ft
10 ACH 225 sq/ft 75 sq/ft
*Estimates based on a rooms with 8' ceilings.


The IQAir GC MultiGas ships for FREE anywhere in Canada. All orders generally ship within 24-48 hours of purchase.


The IQAir GC MultiGas is covered by a full 10 year manufactures warranty when registered within 30 days of purchase.


We offer a 30 day return policy on all IQAir Purifiers. The product must be returned in its original, undamaged packaging with all paperwork and certificates. You will be responsible for return shipping charges and a 10% restocking fee will be deducted to cover order processing and the original shipping charges we incurred under our free shipping incentive.

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IQAir GC MultiGas