| Price : | Post Date : Dec 25, 2011 10:17:25White Rodgers Replacement Filter has an actual size of 20 x 24 3/4 x 4 3/8. High efficiency filter media collects small dust particles before they can collect on your coils.
Scenario:
My air conditioner is freezing up almost daily. I've tried resetting the temperature and nothing seems to work. What would you suggest I to to stop my air conditioner from freezing?
Solution:
There are several factors that could be the cause. The four main reasons for air conditioner freeze ups:
Refrigerant charge
Outdoor temperature
Insufficient air flow
Defective blower
You may have a low refrigerant charge which can cause the air conditioner to freeze up. The system needs to be charged correctly to enable it to work properly. You may have a leak in the refrigerant lines.
If the lines have been vibrating or rubbing other parts or objects the friction could cause a leak. In addition if there are loose fittings or weak solder joints it could be leaking from those areas. If you've determined the refrigerant lines are not leaking than it may just need to be recharged. If you don't know how to recharge it you may need to contact a service technician.
In temperatures under 60 degrees outdoor air conditioning units tend not to function as well. When the temperature drops the system begins to not function properly and freeze ups can occur. The simplest method is to not use your unit when the temperature cools down and open your windows or doors. If that's not a option you will probably need to have a ambient temperature control installed in your system.
The evaporator coils will become dirty over time. A dirty filter restricts the air flow making it lose air flow and eventually it becomes so slow that it freezes up, or at best, not cooling as well as it should. This results in dirty coils that will need to be cleaned. Depending on your air conditioner you may have to remove the coils to clean them. You should replace the AC filter yearly. For central air conditioning units another problem that occurs is when you have duct work that is undersized causing the unit to freeze up. If you feel that may be the problem you'll need to consult a professional. Try replacing the filter first and it may do the trick.
Air conditioner freeze ups can occur when the blower is not running at the required speed and may need to be replaced.
These are the main reasons why air conditioners freeze up. If you're lucky it may just be a dirty filter which you should be able to replace yourself.
As a heating and air conditioning professional i am consistently asked by homeowners what brand is the best. I have worked on every brand out there, and installed most of them as well. In my experience the following makes the brand on a furnace less important:
a) Every manufacturer subs out the manufacture of most parts you find in a furnace. For example; no brand stamps out their own circuit boards. They tell White Rogers what they want to relays to do and White Rogers makes the board. In essence; no matter the brand, White rogers makes the circuit boards. This is true with many parts inside a furnace, with varying manufacturers making the different components that go into a furnace.
b) Furnace manufactures copy designs from each other. If say, Coleman comes out with a feature on their furnace it won't be long until every other manufacturer does the same.
c) All furnace manufacturers carry the same parts warranties on their products. Again if Coleman has a 10 year parts warranty, all the other brands will as well.
d) 99% of all customer complaints are do to the quality of installation and not to manufacturer defects. Most of the time the homeowner will not even know this because their installer will blame all homeowner issues on a bad product, not on their own installation.
So with that said here are my favorite brands from my experience as a repair and install technician. the criteria i use is number of repairs, ease of repairs, cost of doing the repairs, installation costs and number of consumer options.
1) Coleman.
They make a solid long lasting furnace at a reasonable price point. Supply houses for parts are plentiful and everyone can work on them.
2) Trane/American standard.
Though Trane had some Circuit board issues in the past, their current furnaces are well built. Most technicians are familiar with them and repair parts are fairly easy to get.
3) Carrier/Payne/Bryant.
Carrier brands had a run of bad heat exchangers thru the 90s and early 2000s. They have learned from the mistakes and currently make a good product. Their repair costs are a little higher than the others, and again most techs can work on them easy enough.
4) Rheem
Rheem has a decent product at a fairly good price point. Regular maintenance is important as Rheem furnaces seem to need more repairs than the other brands, their parts are easy to get and the repairs are not overly expensive.
5) Lennox
Lennox makes a high quality product. they are the most expensive to install and repair. Few techs are familiar with the Lennox product, so repairs often take longer and are more expensive.
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