Types of Air Cleaners:

• Cheap to buy

• Only about 2%-5% efficient

1" Pleated

• Cheap to buy (about $5 to $10)

• DO NOT USE. restricts air flow too much and will damage furnace

1”
Electrostatic Air Filter

• Lowest cost $38-$195
• Fits most existing furnaces
• 45% efficiency in cleaning dust particles 5 microns or larger (what you can see)
• Approx. 15-20% efficiency in removing particles smaller than 5 microns--these are smudging particles

• Must wash every 30 days
• Waiting too long to wash filter will cut off airflow, which will damage the furnace and substantially increase heating and cooling costs

Mechanical Air Cleaner

• Lower cost than electronic type ... $335-$480 installed
• Easy to clean every 6-12 mos. by replacing the filter
• 85% efficiency in cleaning particles 5 microns and larger (most mold spores, pollen & dust you can see).

  Average efficiency is 65%.

• Best for severe allergies, including allergies to gasses

• Cost of replacement filter is $38-$77 per year
• If homeowner waits too long to replace the filter, most airflow will be cut off and heating/cooling costs will increase substantially. 
• Best to change every six months
• If store bought "knock-off" filters repalce every two months

Electronic Air Cleaner

• More efficient type of furnace air filter than mechanical type.
• 89% efficiency when clean
• Average 80% efficiency overall. Especially good at removing smudging particles
• Easy to wash in the laundry tub
• Best at removing bacteria and molds
• Best for severe allergies
• Carrier control pack warranty is five years parts and labor
• Does not reduce airflow when it gets overloaded with dirt

• Moderately expensive... $890-$995
• Loses efficiency if not washed within 60 days
• Not for persons with allergies to gasses, such as auto fumes when residing near expressway with heavy traffic
• Possible repair expense on some parts when out of warranty
• If not washed often, dirt will build up on blower wheel and the a/c evaporator coil.

Infinity Air Purifier

• Most efficient type of air filter there is
• 99.97% efficient at .3 microns or larger
• early 99.97% efficient at .3 microns and smaller
• Disintegrates & kills bacteria like weapons grade anthrax, viruses.  Wow!
• Removes nearly all particles
• Best for allergies to particulates & gasses and asthma patients.
• Does not effect furnace efficiency.

• Expensive...$1,250-1685 installed.
• Cost of filter replalcement is between $80-$100 each year

Note:  Filter types B, C & D may be tax deductible.  Ask Bob or Terry for a Doctors RX form to give to your doctor.