Friday, January 3, 2014

Want a Cool Conservatory? Consider Air Conditioning


One factor that can dissuade someone from extending their home with a conservatory is the 'hothouse' effect in the summer. Glass magnifies the sunlight, and whilst this can be a wonderful feature in the winter, come the summer the conservatory can become unbearably hot. This is particularly relevant if your conservatory is to be built facing south-west (in the UK), where it will have sun shining on it for most of the day.

Blinds provide one solution, but then you lose the light, one of the main reasons people choose a conservatory over an extension with a closed roof. The most effective solution is air conditioning. This has become much more affordable in recent years and modern air-conditioning units now provide the added benefit of a heating supply in the winter.

Portable or Fixed?
There are essentially two ways to install air conditioning in your conservatory: portable or fixed. If you choose the portable option, not only is this very affordable with prices starting from 瞿230 for smaller units, but it also does not require an external unit and the necessary holes to be drilled through to it from the internal unit. Instead, ducting simply takes the warm air outside from the unit through a window or open door.

Fixed systems do require both an internal and external unit, and careful consideration should be given to the location of both units before installation. The external unit will generate heat and noise, and it can spoil your barbecue if it is located right next to your seating area outside. The internal unit will blow cold air (as you would want) but again this can be uncomfortable if it is directed straight at the back of your neck.

Fixed air-conditioning systems are best fitted when you actually build the conservatory, and a reputable conservatory firm will be able to advise you on specifically where you should best place both the internal and external units as part of your overall design. This is important because fixed systems require a hole through to the outside for the ducting, as well as an electrical supply. The internal unit can be placed high on the wall and a remote control used to operate all functions. It is worth noting that you will want to familiarise yourself with the function for changing the vertical direction of the air. Because in the summer the cold air is best directed upwards as it will drop, whereas in the winter the warm air is best directed downwards where it will rise. Having warm air directed at the seating area is not so unwelcome in the winter, whereas the cold air would be in the summer.

Thermostats and Dehumidification
A real advantage of air conditioners is that they are thermostatically controlled, including most portable units and all fixed units. This means you can find your preferred temperature and keep the conservatory at that point, both when cooling and when heating. In a conservatory setting this is likely to be more accurate than a central heating thermostat as it is a single, isolated space.

Another bonus of an air-conditioning unit is that it will remove moisture from the air inside your conservatory. This is often what causes the discomfort on hot days. A dry heat, such as that in a desert location like Las Vegas, is much more bearable than a wet, humid heat such as that of New York City in the summer. If you have experienced these very different kinds of heat, you will immediately see the potential benefit of a system that reduces the humidity of a room. When we do enjoy a hot British summer, it is often accompanied by heavy humidity.

How Many Kilowatts?
The key factor in choosing an air conditioner is how much power you need, that is how many kilowatts (KW) can the unit generate to cool your room. What you will need depends on the size of your conservatory (height as well as width and length) and which way it faces (north or south). It also depends on whether you intend to cool/heat just the conservatory or the adjoining room too. When calculating what you need, you should be aware that this is only applicable if that space is closed (doors and windows) otherwise the unit will attempt to heat/cool the space until it reaches a closed door or window. You wouldn't want to leave your windows open and let it attempt to cool the entire garden.

A good conservatory designer will quickly be able to tell you what you will need, and can advise on the heating aspect too. But as a rough guide: smaller, north-facing conservatories measuring 4 metres by 3 will only need a 2.5 KW unit; whereas larger conservatories or those that face southwards, will need 3.5 KW or even 5KW. The higher the kilowatts the higher the price for the unit.

Heat Pumps
If you are intending to use the air conditioner as a heater in the winter then you should consider what kind of heat pump it employs. Many air-conditioning systems will cope with heating a room if the outside temperature is above zero degrees Celsius, but once it drops below that they will become erratic and eventually shut down at very low temperatures. By paying a little extra, you can purchase a system fitted with technology that will be able to cope with sub-zero temperatures. In recent years this has become more relevant in the UK, with winters that saw thermometers regularly drop below zero. Again, a reputable conservatory firm will be able to give you advice specific to your needs.

Air Conditioning Systems


Everyone experiences the heat waves of summertime. In some areas the temperatures can reach above 100 degrees Fahrenheit. This the weather can become dangerous and unbearable.

So as a fix to this reality, air conditioning is essential so the summer warmth is bearable to the busy individuals who have to rest after working the whole day.

Air conditioning units can come in two types. There's the traditional and there's the non conventional. Standard air conditioners make use of electricity to draw up the heat within the room. It then cools the air and then returns the cool air to the area and discharge the heat outside simultaneously.

The cooling capacities of air conditioning units are measured in terms of BTU. Smaller spaces could be cooled by air conditioning units with about 5000 BTU while big spaces or small houses could be cooled by air conditioning units with a cooling capacity of approximately 32000 BTU. It is necessary that people choose an air conditioner with the right cooling capacity because using an undersized air conditioner won't be efficient in cooling an area especially during the summer while having an oversized air conditioning unit is more costly and can give people a damp feeling along with a moist environment. In the two cases, people will not feel at ease.

The non conventional air conditioning unit is the geothermal cooling system. It makes use of the renewable energy of the earth to be able to cool the interior of the room or perhaps a house. This is actually the less common air conditioning unit but it is becoming popular because of the benefits it has over the conventional air conditioning units.

Conventional air conditioners are less costly and easier to set up as compared to geothermal cooling systems. However, they run at higher energy consumption and this is where the geothermal cooling system comes with an advantage. A geothermal cooling system runs at about 25 to 50% lower energy consumption than the standard air conditioner. In a span of five years, people will get the payback of selecting to set up a geothermal cooling system instead of installing the traditional air conditioner. However, as mentioned above, geothermal cooling systems cost more to install and often people will have to take out a loan in order to be able to get it installed. The good thing is, some states do supply homeowners with loan guidance since the geothermal systems can help control man-made pollution, conserve the use of non-renewable energy and it is eco-friendly.

Geothermal cooling systems are really environment friendly because there is no need for any appliance to be run by fuel or electricity. The equipment will run by way of the power harnessed from the earth so there is no emission of the gas that can induce greenhouse effect.

However, installing a geothermal cooling system requires the hiring of certified contractors since this is not a do it yourself endeavor. Also, your land is going to be evaluated first to determine if it's possible to install a geothermal cooling system in your place.

So before deciding which to choose between the conventional and the non conventional air conditioners, you should have another opinion coming from the experts in this field. They are able to make it easier to weigh the odds so that you can possess a better take on what is best for your convenience.

Now, after choosing which kind of air conditioner to purchase, it is also important that people know where to buy that air conditioner unit. For the conventional air conditioners, people can choose to purchase them in the home appliance stores since it is simpler to buy there. However, it is highly recommended that individuals buy directly from the manufacturers of the air conditioners. The reason being purchasing from the manufacturer outlets could be cheaper when compared with buying from the malls which based their prices also based on the rent of the stores.

Also, the people in the outlet have more idea about the air conditioners you'll need so they can better answer your questions. They can also assist you in installing the air conditioner. The home appliance stores are left to find their own technicians to help them put in the unit. In instances where individuals need to get their unit cleaned out or repaired, they are able to also directly ask the company for support.

When buying a geothermal cooling system, it is important that individuals get a certified contractor. They are the ones who'll assess the area and pick the pipes and other things required for your geothermal cooling system. They can also guide people in applying for a loan from the Residential Earth Power organization when they don't have enough money to buy the geothermal cooling system and have it installed.

Individuals who work hard deserve to have a comfortable space to stay so they shouldn't hesitate to spend their cash and also have an air conditioner installed for their place. They should not be burdened with the summer heat since there are always opportunities that may be tapped for example what's being discussed here.

Thursday, January 2, 2014

Finding Freon Leaks In A Home Air Conditioning System


An up flow air conditioning evaporator coil is typically found on top of a gas furnace. Your coil may be housed in it's own metal cabinet called a Cased Coil or you may have a coil set inside of a metal or fiberboard supply plenum. To find the coil you will need to remove the cabinet screws if it is a cased coil or you may have to cut into the plenum with sheet metal cutters in some cases. Please be fore warned that if cutting into a sheet metal plenum extreme care must be used so as NOT to cut into any refrigerant copper lines as there is usually extremely high freon pressures in these lines. If you are going to attempt this always wear protective eye wear and gloves as freon in the eye will burn the eye PERMANENTLY! Many have the misconception that freon freezes. The exact opposite is true. If you let freon out on the ground (an E.P.A. violation) it would boil even at a temperature of about 40 degrees below zero! If unsure of yourself, please call a qualified HVAC Company to do this work.

Checking for freon leaks involves being sure there is some freon in the system or you will have no pressure to complete the check. This is done by painting a strong non alkaline solution made for this purpose (don't use household products as they are corrosive eventually) on any and all joints of copper, fittings, capillary tubes, tubing bends, metering devices or T.X.V. (Thermal Expansion Valve), strainers, filters, dryers or any other connections. The refrigerant lines that run from the evaporator coil to the outdoor unit are checked in the same manner. Be sure to check the small capillary tubes that are protected with a black piece of refrigerant line set insulation. Vibration over the years often make leaks at these tubes - if they are leaking a VERY skilled service technician MAY be able to seal the leak but usually it is time for a new coil. All the tube bends at BOTH ends of the coil need to be checked (if you can get to them). The metering device or TXV also need to be "checked". If using the leak solution, paint it on liberally and watch VERY closely for any bubbles no matter how small they may seem. Any bubble is a leak and needs to be repaired.

The Cost Effectiveness Of Mini Split Air Conditioning


The ductless mini split air conditioning unit will be ideal for any home or commercial places. The system is a combination of central and wall mounted units. This will act just like every other wall-mounted device, blowing clean air in just one direction. The similarity with the centralized air system is that it makes use of split component systems. This comes with an external condenser and compressor with an interior oxygen handler.

When compared to a central AC the unit will function far better. Even though it is a relatively expensive system, it requires no ducts in order to function in a house, which makes it well suited for properties where installing ducts for every central unit can be very expensive.

Mini split air conditioning may be the ideal choice for someone living in a house without the significant electrical or duct work for installing central air or perhaps someone who don't want to depend entirely on the window or portable air conditioning system. The units are also less noisy and much more energy efficient than the area air conditioner. Moreover, it will not occupy floor space or even block any window.

Houses and spaces which utilize hydronic or radiant heat or another type of non-ducted technique for heating will be effectively best for almost any ductless mini split unit. Taking into account the miniature model of a split central unit, the interior system is not made to serve the whole house, yet based on its BTU production it could quickly work on a whole floor.

Similar to other air conditioning units, the system comes with two components: an external condenser/compressor and an interior air-handling device, attached by conduits. By using conduits of various lengths, an external compressor could settle as significantly as 50 feet from the interior unit. A Mini split air conditioning system will be really cost-effective and might be a practical option to the window mounted units.

What is an Inverter Air Conditioner?


When people look at buying an air conditioning system, one question that often comes up is what is an inverter? Inverter air conditioning systems are quite common today but what is an inverter and what does an inverter do? Below are 4 benefits of purchasing an inverter air conditioning system.

1) Quieter Operation - The compressor on an inverter is usually a few decibels quieter than a standard unit. This means less noise gets into both you and your neighbors homes which is a benefit. They are especially beneficial in homes where you are relatively close to your neighbors home.

2) Less Strain On Components - The smooth starting (called a soft start) of an inverter means less strain on components. These systems generally ease into operation which causes less wear and tear.

3) Minimal Energy Use - Inverters have been claimed to be anywhere form about 30% to 50% cheaper to run than a noon-inverter air conditioning system. This means the time to pay back the initial extra purchase cost ranges from about 2 years to 5 years depending on running habits and use.

4) Greater Capacity - Generally inverters have an increased capacity over a standard unit. The drawback of this is if you run your system to it's extremes (e.g. by setting to extreme a temperature) the system may actually cost you more to run than a normal system.

So these are the 4 main benefits of an inverter hvac system. Inverters usually cost a little bit more upfront, but they are well worth the additional expense.

Cooling Homes and Offices With Central Air Conditioning System


Most offices prefer installing central air conditioning systems than the single AC unit in each room or space in the environment. These units allow a person or business to have an environment that is constant in temperature, this keeps the entire environment at a constant level.

Installation

Hence, it has become a way of life for most people to install the systems in homes, offices, eateries, cinemas, shopping complexes and factories. A cool environment is preferred over a hot or humid one for better functioning which increases the productivity of the workers. Hence, most productivity environments would install systems to enhance the productivity of the workers to reap higher revenue.

Preferences

Most productivity environments or big properties such as shopping complexes and factories prefer to install a central system as this has more benefits over the single unit systems. One benefit is that the air is dehumidified with less electricity consumption.

Another benefit with a central air conditioning system is that greater control over the environment's temperature is achieved within the building itself to prevent wastage which leads to higher efficiency in operation, as compared to single units. Single unit air conditioners tend to consume more electricity with a higher level of control difficulty as one cannot ensure that the users of the space are present while the unit is switched on. Many like to leave the air conditioning unit on to keep the space cool even when no one is present.

Split units

Most central air conditioning systems operate through the split unit system where there are 2 parts by which the cool air is compressed and condensed by an evaporator. The first portion of this split unit is installed outside the building, either on the outside walls of most residential homes and on the commercial building's rooftops. There are controls which allow one to adjust the temperature inside the building at various locations or space.

This flexibility allows a central air conditioning system to function like the single unit systems but with lower electricity consumption and less disturbances. If you are planning to install a central air conditioning system, it is advisable to hire a professional technician on air conditioning systems to do a good job for you to ensure the best functionality of the unit.

How a Split System Air Conditioning Unit Works - The Basics


Residential A/C and Heating Systems in the San Antonio, TX Area

In San Antonio, as a matter of fact, throughout Texas and the whole United States, air conditioning and heating units are the norm in any home or business. In certain parts of the country, one will notice different types of cooling and heating systems used because they are most safe and economical. In Texas, the predominant unit used for home air conditioning is called the split system.

The split system has two parts - the inside unit, which can be an air handler or a furnace, and the outside unit, called a condenser. These two parts of your air system are connected by two copper pipes and a 24 volt control wire which sends electronic signals back and forth between the two units. Both of the copper lines carry refrigerant in different phases. When you look closely, you will notice that one of the copper lines is larger in diameter than the other.

The larger line is called the "suction" line. It has this name because the refrigerant in this line is being "sucked" into the condensing unit by a compressor. The refrigerant in the suction line is in a gaseous or vapor form. The refrigerant is then pulled into the compressor in the condensing unit, where is compressed back to liquid form. When the gas is compressed, the heat it picked up from the inside unit becomes apparent. Next, the hot, compressed refrigerant travels through the condensing coil, which disperses the heat by a fan pushing cooler air through the fins of the coil. That's why you feel hot air coming from your outside air conditioning unit when it's running (in most cases).

The smaller copper line is called the liquid line. When the compressed refrigerant finishes running through the condensing coil, it enters the liquid or low pressure line. The refrigerant from the liquid line travels to the evaporator coil where it picks up heat from the air being pushed through it by the blower. Once the heat has been drawn out of the air, cold air is discharged from the unit to the duct-work and ultimately to the vents. The refrigerant cycle starts over again at that point.