Question about Ruud UBHC Air Conditioner

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Central air conditioner

My air condition unit is 4 years old. The house isn't getting cold anymore. I changed the reading on the thermastat to 70 but the house is at 80. I hear the furnace running but it not getting cold. The furnance sounds louder now. What broke?

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Check the filter also sounds like a low freon charge.

Posted on Aug 18, 2008

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AC is not throwing cold air anymore?


the unit must've run out of gas.You need to get a proffessional to get it re-gased.And ask him to locate any gas leak along the copper pipes and connections.

Dec 27, 2013 | Air Conditioners

Tip

Central Air Conditioning or Window Air Conditioner


Many people look into installing air conditioning in their home every year. There are many options to consider when it comes time to make that decision. To help make that decision more clear, I will explore some of the positives and negatives of the two major options. Ductless Split A/C type units lately are also becoming more of a popular option. I will do another “Tips and Tricks” on that option. To include that in this one would just be more confusing. So for now we will just look at window air conditioners and central air conditioning.

Central air conditioning is usually the best way to go if you already have a central hot air heating system already installed in your house or building. The advantage that you have is that you already have the air handler or blower part already installed. The ductwork for the distribution of the air is also all ready in place. The ductwork may need some modification to make it work well for air conditioning, but the major part of it should be adequate. To use the existing furnace and ductwork an A/C coil will need to be installed at the furnace. An outdoor condenser unit will be installed outside and copper tubing will be used to connect the coil to the outdoor unit. Some electrical wiring will need to be done to power the outdoor unit. Low voltage wiring will also be needed to hookup the thermostat, the furnace, and the outdoor unit together so that they can talk to each other. Basically the thermostat will just tell the furnace to run the blower on high speed and the outdoor condenser to start up.
If there is no central hot air heating, then the installation of central air conditioning can be much more difficult. Many homes that do not have hot air heat also do not have the room to install ductwork. This would eliminate this possibility. If you are in this category you should get a professional to look at your situation to see if central air conditioning can be done. If it is the room available is to enough to do a good job and get large enough ductwork installed, then do not force the issue and go another option. Ductless split type air conditioning may be your best option.

A window air conditioner in my opinion is a last resort for air conditioning your house or building. There are many down sides to window air conditioning units. There are two good things that window air conditioners have going for them. They are very inexpensive when it comes to cost per BTU of cooling. They also install very quickly and easily. That is where the good part of them ends.

Window air conditioners are security risks. If a thief wants to get into your house, the thin sheet metal box that holds the unit in the window can easily be pulled apart to get in through the window. I have seen many units that are not even screwed fast. If the window air conditioner is just there, balancing in the window frame, it becomes very inviting for a unexpected guest. The window air conditioner is also very inefficient. These units use more power per BTU of cooling than any other type of air conditioner. If you are a light sleeper, than chances are you will not want one of these window shakers. Window air conditioners are one of the loudest forms of air conditioning.

The fan for these units is very loud when running. Then add the noise of the compressor and you have enough decibels to keep many people wide awake all night long. If you choose to use a window air conditioner, than you should also look for a place that it can be secured and placed in a room that you will not be sleeping in.


As you can tell by now, I am not a big fan of window air conditioners. They do have a place for some people. However, you do need to be aware of the problems that you may encounter with them. The low initial cost can be offset by the fact that they typically do not last as long as a central air conditioner.

Central air conditioning will last much longer, be quieter during operation, be more efficient, be more secure, but the initial cost will be higher. How much depends on each situation. When considering your options for air conditioning installation you need to get prices for everything and then decide what type of unit will work the best for you.


http://www.fixya.com/support/r3850183-condenser_coil_cleaning_condenser_coil

http://www.fixya.com/support/r3636751-air_conditioner_seer_seasonal_energy

http://www.fixya.com/support/r3636709-size_air_conditioner_need

http://www.fixya.com/support/r3633369-portable_air_conditioning_great_portable

http://www.fixya.com/support/r3623253-window_air_conditioners_clean_every_year

on Jan 01, 2010 | Air Conditioners

3 Answers

My A/C blowing air, but it is not cool. It has started freezing up. We just replaced the air filters and since then it is freezing up. We even gently cleaned the a/c coils before replacing the filters. ...


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.

Jul 15, 2011 | Intertherm Air Conditioners

1 Answer

I have an LG LWHD2500ER wall air conditioner about 2-4 year old. The digital read out comes on but the unit will not come on.


The unit isn't kicking out any water. And its not cooling like it normally does. How can I fix this issue?

Oct 15, 2010 | LG LWHD2500ER Wall/Window Air Conditioner

1 Answer

Hi have central air . Unit working ok but noticed not blowing cold air . The fan outside is working , Unit comes on . Could it be feron . unit it about 7 years old . Purchase house about 4 years ago


You need to have a pressure gauge the reads for R-22. (Freon) It sounds like the system might have a leak. Look for a wet place any place on the units pipe system. It has a little oil in with the freon that is forced out of any leak. If you see a wet place this is oil. It is also the location of your leak.

Jun 27, 2009 | Air Conditioners

1 Answer

Problem with central air condition


that depends on the size of the unit and lenght odf the line set.. to give you a general answer your suction pressure should be about 70 PSIG and you liquid line (small line) should be between 245-265 depending on the outdoor temp you will need a set of freon gauges to check this these readings are for an R-22 system if you have R-410a the readings will be much higher

Aug 20, 2008 | Whirlwind FH-778 Air Conditioner

1 Answer

Carrier 38CK036330


The model numbers change.You have a 3 ton system.The make and model that you replace it with is not nearly as important as a quality install.Do your homework on picking a contractor that you can trust.Have them do a load calculation to make sure a 3ton system is right for your house.13 seer is the minimum you can get.You need to weigh the projected annual savings of higher seer units against the added cost of having them installed.Again,get a contractor you trust and go with the best warranty.None were stupid questions.

Jul 08, 2008 | Carrier 38CKC060 Air Conditioner

1 Answer

20 year old central a/c heater not working


Check your thermostat and mode selector setting, thermostat setting should be set at warmer and mode selector setting should be at low heat or hight this is applicable for manual unit.
If it is a remote control just set the remote to heat mode.

sample only
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Jan 02, 2008 | GE Quiet-Aire Ductless Split System Air...

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