I live in a 20 year old mobile home with steel siding. The central heat and air duct work is full of holes and the central heating and air conditioning unit is old and very expensive to use. My husband and I have been using a window ac to cool the thing in summer and it is so noisy I think if I have to go through another summer with that thing I'll go deaf and the stress of that noise all the time is damaging my health. My question is would a ductless minisplit ac be feasible to install in a mobile home? I know they are much more expensive than a window unit. An opinion would be very much appreciated.
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Re: ductless minisplit in old mobile home
Ductless mini split units are a very good choice!
they are obviously quieter, more efficient and easier to maintain than window units. the downside is the initial expense of buying the unit, but this is paid back in eletric savings and peace of mind. Good luck Peyton
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That's an inverter series motors... the outdoor fan motor is on an ambient controller to maintain pressures when cold outside in air conditioning mode, but not in heat...only defrost when needed. Check the settings on the outdoor board for defrost timing
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.
Hi, can you tell me what kind of heat recovery ventilation system you have? Is it a Honeywell, Lennox, ect.? Also tell me about how you have it set up as far as the duct work you are talking about and what kind of heat pump system you plan to install. If you tie your central air heat-pump ducts into the HRV ducts, it will interfer with the air flow. If you will, please tell me what you plan on doing as far as installing what to your home? New duct work for a new central air heat-pump unit, or what, so I will have some idea on what you are doing. Thanks so much. Contact me through my user name below. Sincerely, Shastalaker7
The filter is located before the blower if your Coleman is in a mobile home it will be in the door facing. If it is a standard ac/heat application and a regular residential furnace the blower in the cabinet on down flow (ducts in floor) will be above it and possible in the duct connecting in the top. If its the other way (ducts in ceiling) it could be right under the blower. Either of these could have a filter cabinet on the furnace or could have a filter grille at the end of the return air duct (where the air is sucked in).
It seems to me that your suction should be @ 76 or so. 52 is low. the coil will ice up with any suction PSI below 58. Disconnect the unit from the duct work and make sure there is no restriction in the duct size. In other words. Does the unit work properly with out the duct? I find most mobil homes have a restriction in the amount of return. A 5 ton split needs a 20 inch round return. You never see this size return on a package unit. Does the return **** the filter in? I have had to add returns to large mobil homes because there just not designed right.
this is only a possibility. Is the temperature split on the equipment between 18 and 20 If it is then I don't thing you have an equipment problem. Also make sure there are no holes in the duct work.Last one I had unit was working fine but the duct work had a big hole in it from some animal under the trailer.
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.