| Features |
AllerAir |
Enviracare |
Tibbits |
Allermed |
Bionair |
Holms |
Austin |
True
99.97% HEPA
(laser tested) |
Yes |
Yes |
No |
No |
- |
- |
Yes |
Separate
granular
Carbon and HEPA cartridges |
Yes |
No |
No |
No |
No |
No |
No |
No
off-gassing
metal housing |
Yes |
No |
Yes |
Yes |
No |
No |
Yes |
Oven-Baked
motor winding |
Yes |
No |
No |
No |
No |
No |
- |
3-speed
high efficiency
low energy noiseless motor
Noise Level Equivalent
to a White Sound Machine |
Yes |
No |
- |
- |
- |
No |
- |
Up to 20
air changes per
hour for average size
bedroom or office |
Yes |
Yes |
No |
- |
No |
No |
Yes |
Air flow
away from dust
on the floor |
Yes |
No |
Yes |
Yes |
Yes |
Yes |
Yes |
Under
$300 US with
min.8.5 lb. of granular carbon
plus zeolite filter |
Yes |
No |
No |
No |
No |
No |
No |
5 Year
limited warranty
extendible to 10 years |
Yes |
No |
No |
No |
No |
No |
No |
Ozone
(suspected carcinogen) is
not produced |
Yes |
Yes |
Yes |
Yes |
- |
- |
Yes |
Virus
Trap� technology
down to 0.027 micron
available |
Yes |
No |
No |
No |
No |
No |
No |
Large
range of models for
most specific requirements |
Yes |
No |
No |
No |
No |
No |
No |
Large
range of Designer
Colors available |
Yes |
No |
No |
No |
No |
No |
No |
Residential,
institutional,
industrial models available |
Yes |
No |
Yes |
No |
No |
No |
No |