Air Conditioning Unit is leaking badly, has mold and ice.
My inside air conditioning unit for central heating and air is leaking very badly (puddles are all in my floor constantly around the unit and it is ruining my floors!) There is also mold all on the unit and ice is on the top pipes. What can I do or how much would it cost to get it fixed? thanks!
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Re: Air Conditioning Unit is leaking badly, has mold and...
Soundls like the condensate drain is clogged and coil is dirty. look for a plastic pipe inlet where water would flow to.. you may be able to clear it by blowing it out with compressed air. you can also pour bleach into it to address the mold problem. if the coil is icing up it is because it is dirty. to verify this, let the unit run in ac mode for about an hour and check to see if you have air flow from the vents. if you do not, then the cooling coil is covered in ice, thus blocking air flow. you should have a qualified ac person clean the coil and check the refrigerant charge on the unit. one thing to consider, change your ac filter often, at least once a month in hot weather.
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typical central air conditioning system is a split system, with an
outdoor air conditioning, or "compressor bearing unit" and an indoor
coil, which is usually installed on top of the furnace in the home.
electricity as its power source, the compressor pumps refrigerant
through the system to gather heat and moisture from indoors and remove
it from the home.
and moisture are removed from the home when warm air from inside the
home is blown over the cooled indoor coil. The heat in the air
transfers to the coil, thereby "cooling" the air.
heat that has transferred to the coil is then "pumped" to the exterior
of the home, while the cooled air is pumped back inside, helping to
maintain a comfortable indoor temperature.
Central air conditioning can also be provided through a package unit or a heat pump.
Indoor comfort during warm weather - Central air conditioning helps keep your home cool and reduces humidity levels.
- As your central air conditioning system draws air out of various
rooms in the house through return air ducts, the air is pulled through
an air filter, which removes airborne particles such as dust and lint.
Sophisticated filters may remove microscopic pollutants, as well. The
filtered air is then routed to air supply ductwork that carries it back
- Because the compressor bearing unit is located outside the home, the
indoor noise level from its operation is much lower than that of a
free-standing air conditioning unit.
Ductless split air conditioning units are the very best thing for some situations. Of course they can be installed in the place of most any central air conditioning unit. They also are a very good alternative to window air conditioning units. I will explore the use of these units more closely and look at how they can be used effectively. One of the many problems encountered by the professional is when they are asked to install central air conditioning in an older home that was never designed with air conditioning as even a possibility. The walls may be very thick stone. Often they have very little or no insulation. The floor structures may be rough cut lumber. The joists spacing may be random. Walls and ceilings are plaster and lathe. Basically everything is stacked against any type of ducted central air conditioning. Many log style homes also are not very easy to get any kind of ducted central air conditioning installed. The open ceilings and the bare log wall design does not allow for any kind of ducting. I'm sure there are other situations. These are the ones that I have come across most frequently. If you have a home or building that falls into one of these categories you may want to investigate installing a ductless air conditioner. This type of air conditioner can be installed in almost any home or building. The small indoor unit can be attached to the wall with a few screws. Most of the units only require that a three inch hole be bored through the outside wall. In new installations the units can be placed on inside walls with some fore thought and planning. For installation in older homes or homes that are already built you will want to plan the units to be on the outside walls. The outdoor condenser units can be placed up to one hundred feet away from the indoor units. One outdoor unit can be used for many indoor units. Up to four indoor units can be attached to the same outdoor condenser. Some very advanced electronics will control the operation of the condenser and compressor to supply the refrigerant to the indoor air handler units that are running at the time. With variable speed technology the compressor and the condenser fan will only run as fast as needed. This technology has become very efficient in the last few years. You do not have to give up any efficiency with these ductless split units. Another advantage to these mini split air conditioners is that they can be controlled to run only in the rooms that you actually need air conditioning in. If you are not going to be in a room you can shut down the unit. The units also have timers that can be set to turn the air conditioning on or off at preset times. If you are not going to be home all day the air conditioning can be setback or turned off. The timer will turn on the air conditioning so that you return to a cool house. Central air conditioning is very hard to zone effectively. Also with large central air conditioning systems the outdoor compressor will be running at full capacity even though only a few rooms amy be calling for cooling. There are some central air conditioning systems that are do some staging and variable speed technology. These are not as efficient or as effective as the ductless split technology. Ductless split heatpumps are another great idea to look at. For a few dollars more you can also very easily have heat from your air conditioning mini split. Then especially in the mild spring and fall weather you can have some very efficient heat with out starting up that big monster of a furnace or boiler in the basement. In southern climates the heatpump version of the ductless split system may provide enough heat year around. Ductless split air conditioning is definitely something that can solve many problems for some homeowners. Add to that the many advantages of these units and you will find that they are worth every penny that you will invest into them. As with any project like this make sure that you screen your contractor. These units are not for do it yourself people. There are many things that need to be done correctly for these units to work properly and efficiently. A refrigeration license is also required to install these air conditioners. By doing a little research and hiring the right person you will enjoy many years of trouble free service from your new ductless mini split system.
Hello, sounds like it is either a low charge or lack of airflow, what type of filter are you using? sometimes those filters that claim to be super effecient will actually cut down on your airflow and cause the ac to freeze up.
Yes, there should always be filters in your heating and air conditioning system. Assuming you are asking about a central heat and air system for a home or business, the filters will be located in the return section, basically where ever the air flow is getting sucked back into the system. More updated systems will have the filter in a filter grill inside the home or business, while older systems can have them inside the unit itself, usually above the unit inside. Hope this helps with what you were asking for, if you needed info on another type of system, feel free to ask. Good luck!
I'm assuming you have had a competent Air Conditioning contractor look your unit over.if you trust your A/C contractor, why don't you work with them towards an answer? I would get an air flow and sizing analysis, a full equipment service/performance check, and see if there is something simple causing this dilemma. Possibly low refrigerant charge,or you have a filter or coil restriction on the indoor unit. I've seen mold plug a coil solidly before. And due to new federal regulations on air conditioning efficiency and the phase-out of R-22, I would recommend that any replacement equipment be done in full, not part and parcel. The newer two stage energy star rated cooling and/or heat pump offerings are a fantastic solution for premium indoor comfort, and the government is offering powerful incentives right now if you're in the market.
Are you getting 120 vac or 220 vac at the unit? Check the voltage at the first terminals inside the unit as well as the breaker. You should have 220 vac at the elements and you are dropping a leg some where.
Change the furnace filter. Make sure you use a cheap one when air conditioning, as the better ones restrict airflow when they filter out so much stuff and then plug up, not allowing enough air to pass over the cooling coil in the furnace's air plenum. Turn the A/C off for a few hours (with only the furnace fan on if possible) to melt the ice off the cooling unit inside the furnace.