Air Conditioner Increasing Room Humidity
14 years ago
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- 14 years ago
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Increasing air flow in vents, cold air in basement -) PowerZoning
Comments (9)They're selling snake oil. There are so manys thing wrong with this proposal. First off, why do you feel you're not getting enough airflow? Is the room they used for their demo hard to heat or cool? If the existing 370 cfm is enough to keep that room comfortable, then there is no reason to pay money to increase the airflow. "More" is not always better. Your air handling system was designed to move air as an enclosed system. OF COURSE it's gonna move more air if you rig it to operate with the fan cover door opened. But again, more is not always better. I'll bet you could stand in that back room and *hear* the air rushing and whistling out of that vent after they took the blower door off. Your system should be set up to move the required amount of air as quietly as possible. You're also risking damage to the blower by making such a drastic change to the static pressure. The fan is designed to work against some amount of resistance. Lessen or remove that resistance and you could burn your fan motor out. A return in the basement is going to bring extra humidty and musty odors into your home. The air conditioning unit would have to work harder to remove the extra humidity. It could actually cost *more* money to operate. And if the unit was not capable of removing the extra humidity, you end up with damp air in your living quarters. This results in a cold, clammy feel that makes you feel uncomfortable. If you have some rooms that are hard to heat or cool, have a reputable HVAC company *calculate* how much air needs to go to each room. It's not a guessing game, and more is not always better. I noticed that you called the original installers and they blew you off. Forget them, they don't sound very professional. Try asking some of your neighbors for referrals, or check something like "craig's list". There has to be a reputable company in your area....See MoreAir conditioner does not blow out cool air anymore
Comments (5)Common Problems With Air Conditioning. Open Windows One of the most common problems with the cooling system in your home is occurs when doors and windows are left open. You might be surprised at how often just being vigilant about doors and windows can significantly improve the cooling process for your home. Low Refrigerant Refrigerant is the chemical that cools the air within your AC system. Low levels of refrigerant could mean there is a leak, or an actual problem with the refrigerant system. If your AC system needs to be recharged, most of the time that suggests there is a leak. Leaky Ducts, Bad Air Flow Leaky ducts or improper air flow are another very common culprit for why your AC is not cooling properly. Inconsistent temperatures often are an indicator that this is the problem. If there is a leak somewhere in the line then the cool air that is moving from your unit through your home is not making it all the way to where it needs to go. Filters and Coils Check your filters and coils. A dirty filter or coil will restrict your air flow and keep your machine from running at peak efficiency. Clogged Drain A clogged condensate drain on your unit can cause loss of efficiency and cooling. It is best to get a certified HVAC technician to check this for you, it is bit more technical and it is better to be safe than sorry. If you break something it could cause a much more expensive repair later on. Outside Fan The outside fan is responsible for conveying the heat from your home to the outside air. If the fan on the outside isn’t performing correctly, the proper heat transfer cannot take place, the air conditioning compressor may overhead and trip the safety overload. Solution The best and most effective way to prevent these problems is by participating in a preventive maintenance program. If you would like help with your air conditioner from a professional....See Morenew air conditioner send VERY COLD air in one room and installer says
Comments (30)"He had the same conclusion as yours says it is short cycling due to leaking of freon." I did not say the short cycling could be due to a freon leak. I did say it could be due the condenser being increased in size. I don't understand how a loss of freon could cause a condenser to short cycle. Perhaps you misunderstood what the contractor said. But if he made that statement then my confidence in his ability continues to go down. What exactly was replaced? So far I know it was the condenser. I hope he replaced the coil in the attic. Was the furnace also replaced? What about the line set (the copper tubing running from the attic to the condenser outside}? Normally on an attic installation that is not replaced since it is running inside walls. The old line set can be reused but it must be flushed out properly. You can't mix the old and new refrigerants. But, if the condenser was increased in size, the line set may be too small (diameter) to work properly. This is another reason not to be increasing the size of the condenser. Has the contractor returned yet? If there were air flow problems while running the AC, then there will be air flow problems with the furnace. Those have to be fixed. Make sure the air flow works well in the spare bedroom. Just because you rarely use it does not mean it should not heat and cool properly. All bedroom vents should have approximately equal air flow. This should not be too difficult with the furnace installed in the attic....See MoreIs my Air Conditioner creating humidity in the room?
Comments (6)Humidity removal is a function of the cooling capacity vs. the heat load on the space. Humidity can't be removed if it isn't running to provide cooling. You haven't stated the sq. ft. of the room, your location, construction/insulation factors, etc. Perhaps 9K BTU is oversized, although that brings up the question of why did your first unit work satisfactorily. Dehumidification mode runs the fan on low speed to sort-of reduce the cooling capacity so it runs longer to remove humidity. Maybe the newer unit(s) have faster low speeds for increased efficiency and run less than the first unit. Have you tried setting the temp lower to increase the run time? You may need to get a stand-alone dehumidifier to protect the condition of those collectibles....See More- 14 years ago
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