GermGuardian AC5000 VS. Germguardian Ac4100

Has a True HEPA-Filter that captures and eliminates 99.97% of allergens and other airborne-pollutants as small as 0.3-microns.

It features a Charcoal-filter that traps and eliminates cigarette-odor and other bad-odors from pets and cooking.

Designed for use in small-to-medium sized rooms of up to 180sq.ft. This unit can also filter and circulate room-air for over 4X per-hour.

Uses UV-C light technology with Titanium-Dioxide to eliminate airborne germs, bacteria and viruses.

Its True HEPA filter captures 99.97% of dust-mites while the Pre-filter captures large dust-particles within air.

The True HEPA Filter can eliminate 99.97% of pet-dander and other airborne-pollutants as small as 0.3-microns.

A True HEPA Filter can trap and destroy 99.97% of pollen and other airborne-allergens as small as 0.3-microns.

Uses a Charcoal-filter to eliminate cigarette and cooking smoke coupled with removing common odors within your house.

It uses a HEPA-Filter and UV-C light technology with Titanium Dioxide to eliminate 99.97% of mold-spores.

The True HEPA Filter captures and eliminates 99.97% of allergens and other airborne-contaminants as small as 0.3-microns.

Has a low-speed-setting that runs whisper-silently making this device perfect for use in bedrooms and offices.

Changing filters is very easy and won’t require any tools. So, you will just have to take the back off by pushing on the clip near the top and then pull to reveal the filters.

This device uses about 58-watts at the highest speed-setting and less than 8-watts at the lowest speed.

This unit earned an Energy Star rating for its low power-consumption making perfect for use in any home.

It features a simple control-panel with a dial-button for selecting between 3-speeds, UV-C On/Off Control and change filter/bulb indicator.

Has a filter-change-indicator that blinks red to let you that it’s time to replace the filters.

This unit is very economical because it consumes less power even when running for 24-hours daily.

It’s affordable yet it covers a reasonable room-area and features the best air-purification technologies.

This air-purifier is perfect for allergy sufferers because it features a True HEPA filter that captures 99.97 of dust and allergens as small as 0.3-microns in size

Its combined filter should be replaced every 6-to-8 months or depending on the use of the product. Likewise, the UV-C Bulb should be replaced after 12-months or when it blows out.

This device doesn't emit any ozone because its UV-light runs at 253.7-nm which helps to consume ozone and convert it back to oxygen.

Has a slim and compact tower design with a control dial-button at the top, air-inlets at the back and air-outlets at front coupled with a round-stand at the bottom and a carrying-handle.

Features dimension of: 7"W x 10.2"L x 28"H coupled with a compact, black tower-shaped body made of durable ABS-plastic with a carrying-handle and stand.

9.55-pounds and this makes it lightweight and easy to transfer from room-to-room.