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What are different types of home air conditioning units?
Depending on the needs, there are various different types of home air conditioning unit. Ductless split system, mini split, central systen, window air conditioner and packaged air conditioners.

At www.homeairconditioningunit.com Our No.1 goal is to provide customers with high quality products at a price they would love. We are committed to providing outstanding heating and cooling value for your home. Our product pages will help you determine which type of air conditioner and installation best meet your needs. And if you have additional questions, contact us, we are more then happy to provide you with all the information you need to know about air conditioning.

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  • General FAQ's on Home Air Conditioning Unit
  • What is a home air conditioning system?
  • How do I know what size air conditioner to get?
  • Which manufacturer makes the best air conditioner?
  • How often should I have my equipment serviced?
  • Greenhouse Gases and air conditioners
  • How to install an air conditioner?
  • What is covered in an Air Conditioning Warranty?
  • What is air purification?
  • How To diagnose Air Conditioner noise problems?
  • How To diagnose Air Conditioner electrical probems problems?
  • What are benefits of split air conditioning systems?
  • Where would a leak in a home AC system probably be?
  • How can I find out if my home air-conditioner contains R-22?
  • Will I be required to stop using R-22 in my home air-conditioner or other equipment?
  • How important is it to buy a new air-conditioning system that is more efficient? Does energy efficiency depend on what type of refrigerant is used?
  • What's the most common mistake people make in trying to save energy around the house?
  • If I shut off my heater or air conditioner when I'm gone from the house, doesn't it cost more to heat or cool the house back to the right temperature once I return?
  • We are purchasing a new air conditioner and the contractor mentioned something about "duct sealing." What is this and would this be a good thing to do?
  • Will Split Units spoil my false ceiling?
  • Do I have to necessarily buy a Voltage Stabilizer when I buy an AC?
  • What does the single - dual zone terminology mean?
  • What is the operating range of the unit?
  • What is a home air conditioning system?
  • Air conditioning systems all work pretty much the same way -- they pull heat from your home using the same basic system your refrigerator uses. The setup may vary from one system to the next, but the fundamentals are the same: there is a condenser coil, which releases hot air outdoors; an evaporator coil, which transfers cool air indoors; and a compressor, which circulates refrigerant fluid between the two. Most home air conditioning is one of two categories: window-mounted or portable units, and central air conditioners (which include split-system or packaged central air). Top ?
  • How do I know what size air conditioner to get?
  • A quick and easy rule of thumb to use for sizing an air conditioner for a room or house is the square foot method. This formula is used only for a quick approximation and is based on certain guidelines regarding insulation R values, shading, ceiling height, construction materials, windows, doors, purpose of use and occupancy. In layman's terms, 400 square feet of residential living space in a desert climate requires 1 ton of cooling capacity based on adequate insulation, 8' ceiling height and tight windows and doors. To calculate your requirement using this method divide your total square footage of living space by 400. The resulting answer is the number in tons of air conditioning capacity required. Top ?
  • Which manufacturer makes the best air conditioner?
  • Air conditioning is a matured technology so most of the popular brands work well. Many of them use parts made by the same manufacturers. So, the main considerations are the price, warranty, attractiveness, noise, etc. Some manufacturers offer a 3-5 year warranty on all parts while others offer only 1 year. Some units are unattractive and will not compliment your landscaping.

    Whatever you decide, the most important consideration is the contractor you use. You may buy the best system in the world but if it is not properly installed, you will actually be buying nothing but a big headache for years to come. For your protection, make sure you use a specialised contractor. Top ?
  • How often should I have my equipment serviced?
  • Heating and Air Conditioning equipment should be serviced at least once a year. The best scenario is to have the heating system checked in the Fall and the air conditioning checked in the Spring. Oil-fired equipment should definitely be cleaned and serviced annually.

    Why should I have my equipment serviced?
    Annual servicing includes cleaning the system, checking for any problems or potential problems and adjusting for Peak efficiency. The benefits include:

    • Increased dependability.
    • Find potential problems and fix them quickly.
    • Provide maximum efficiency which lowers energy costs.
    • Prolongs the life-span of the equipment.
    • Maintains safe and healthy operation.
    • Can help to protect the environment.
    • Drastically reduces the chance of a break-down which usually happens at night or on weekends when repair rates are higher.
    Top ?
  • Greenhouse Gases and air conditioners
  • The air-conditioning and refrigeration industry is the largest user of hydroflurocarbons (HFCs), a group of potent synthetic greenhouse gases, and is a significant user of energy. Refrigeration and air conditioning equipment that is not maintained in good order consumes more energy than necessary thus increasing the amount of CO2 released to the atmosphere. Top ?
  • How to install an air conditioner?
  • To install an air conditioner for example a split system Fujitsu, you need a qualified air conditioning installer. Some companies like Fujitsu recommend installers or have conditions that if your system is not installed to their requirements your warranty is void. Top ?
  • What is covered in an Air Conditioning Warranty?
  • Daikin & Fujitsu Air Conditioning Equipment Warranty from Gold Coast Air Conditioning
    Air conditioning equipment comes with a full 5 years parts and labour warranty from the manufacturer. Ducting, outlets and fittings come with a 10 year manufacturers parts warranty. Top ?
  • What is air purification?
  • An anti-fungus filter is used - this catches allergy-causing mites, smoke particles and odours, making the air in your environment clean and fresh. Top ?
  • How To diagnose Air Conditioner noise problems?
  • Loud noises in an air conditioner are usually caused by the fan belt, which can be dislodged sometimes during use. The solution is to replace or restore the belt to the right position. A technician can also check the bearings and lubricate them if necessary. Top ?
  • How To diagnose Air Conditioner electrical probems problems?
  • If the air conditioner turns on and off frequently, various electrical controls, including the compressor, can overheat and wear out. A technician should check all electrical components during each service visit. Top ?
  • What are benefits of split air conditioning systems?
    1. Easy installation. Since there is no ductwork to install, the units are easy to set up. The indoor unit can be up to 100 feet away from the outdoor condenser, yet the only space required is a small hole in a wall for the copper tubing and control wiring. The condenser unit can even be positioned on a flat section of roof if available.
    2. Easy maintenance. Split air conditioning systems are easy to maintain. They have washable filters and require only routine cleaning periodically. Outdoor units are designed for easy access for maintenance and repair.
    3. Quiet operation. The indoor units of these systems are typically quiet enough for libraries, classrooms, boardrooms, and bedrooms. The outdoor components can be installed under a window or near a patio without disturbing anyone.
    4. Heating capability. Most split air conditioning units provide “climate control” with additional heating as well, so you can live and work comfortably year-round.
    5. Cost effectiveness. Split air conditioning systems work well in situations where rooms only need to be cooled at certain times, for example, living rooms during the day and bedrooms at night. Inside wall or ceiling units can distribute the cooled air with precision and more cost effectively. You save energy, since smaller fan motors are used and individual units run at different times.
    6. Simple control. Most units come with a remote control, as well as a wall mounted thermostat, and temperature control is easy and convenient.
    7. Attractive design. Instead of a big, clunky window unit you have air conditioning units that blend well into indoor decor. There is no need to block your windows, either.
    Top ?
  • Where would a leak in a home AC system probably be?
  • If it is a refrigerant leak it is most likely in one of the 2 coils. It could also be in the line set wherever the copper lines were joined with couplings and elbows. It is also possible that the line set has been punctured with a nail during construction or home improvement . Top ?
  • How can I find out if my home air-conditioner contains R-22?
  • Most air-conditioners have a nameplate on the unit that identifies the refrigerant it contains and other information, such as safety certifications and electrical ratings. For a central air-conditioner, the nameplate is usually on the outdoor condensing unit. If a nameplate is not provided, there are several other ways that you may be able to obtain the information. You could check your owner's manual for the information. The person/company that sold or services your air conditioner would likely know what refrigerant it uses. Or, if you know the manufacturer and model number, you could call the manufacturer or check its web site. Top ?
  • Will I be required to stop using R-22 in my home air-conditioner or other equipment?
  • No. You will not be required to stop using R-22 and you will not be required to replace existing equipment just to switch to a new refrigerant. The lengthy phaseout period provides time to switch to ozone-friendly refrigerants when you normally would replace your air-conditioner or other equipment. This transition is important because supplies of R-22 will be more limited after 2010, which may cause the price of R-22 to increase. Starting in 2020, new R-22 may no longer be produced, so consumers will need to rely solely on recycled or reclaimed quantities to service any systems still operating after that date. Top ?
  • How important is it to buy a new air-conditioning system that is more efficient? Does energy efficiency depend on what type of refrigerant is used?
  • Purchasing an energy-efficient system allows a homeowner to save on energy costs and protect the environment. Even if your air conditioner is only ten years old, you may save significantly on your cooling energy costs by replacing it with a newer, more efficient model. Products with EPA's Energy Star® label can save homeowners 10% to 40% on their heating and cooling bills every year. Both R-22 and R-410A systems may have the Energy Star® label.

    The U.S. Department of Energy specifies the minimum efficiency of air conditioners sold in the United States. For central air conditioners and air-to-air heat pumps, efficiency is measured by the seasonal energy efficiency ratio (SEER). The higher the ratio, the more efficient the equipment, and equipment that displays the Energy Star® label must have a minimum seasonal energy efficiency ratio that is significantly higher than that required by law.

    You should consider energy efficiency, along with performance, reliability, and cost, in making your decision. Top ?
  • What's the most common mistake people make in trying to save energy around the house?
  • Common mistakes people make include:
    • letting the furnace or air conditioner salesperson sell them a unit that's much bigger than they need,
    • not getting the ducts checked for leakage when installing a new heating and cooling system,
    • thinking that "since heat rises, we only need to insulate the attic." Floors over a basement or crawlspace, walls and windows also matter.
    • not using ceiling and portable fans to improve comfort in the cooling season. They use very little electricity. Use them to circulate air in the house, tomake the house feel cooler by doing this, the thermostat setting for the air conditioner can be raised to 85°F, and still maintain the same comfort as the lower setting.
    Top ?
  • If I shut off my heater or air conditioner when I'm gone from the house, doesn't it cost more to heat or cool the house back to the right temperature once I return?
  • The rate of heat transfer from the house to the outside, or vice versa, is dependent partly on the temperature difference between the house and outside. More heat is transferred when the difference is greater, so it takes more energy to keep the house at 72°F when it is 40°F outside than to heat the house back up to 72°F after you return.

    With air conditioning systems, the equipment runs at peak efficiency when it operates for long periods. Cooling the house back to the comfortable temperature will use less electricity than the unit would use cycling on and off for short periods to maintain the set temperature. If the house takes too long to get back to a comfortable temperature, you might investigate getting a programmable thermostat, and set it to start heating or cooling the house an hour or so before you return. You could also set the thermostat back, to a lower temperature for heating, or a higher one for cooling, while you are gone, rather than turning it off completely. Top ?
  • We are purchasing a new air conditioner and the contractor mentioned something about "duct sealing." What is this and would this be a good thing to do?
  • The duct systems in most houses leak. Leaks can be as small as pinholes or tiny cracks and as large as completely disconnected ducts. However, any leak is wasteful, since it allows conditioned air to escape into the attic, basement, or crawlspace. Duct sealing is a process of stopping leaks by physically patching all joints in the duct work. A new aerosol method is under development at Lawrence Berkeley National Laboratory, which would seal ducts without the need for a laborer to manually reach and plug every leak. Top ?
  • Will Split Units spoil my false ceiling?
  • If units are installed and maintained properly, the false ceiling will be safe. However, if the drain is not sloped properly or the drain pipe is choked, water will overflow into the false ceiling and spoil it. Since the unit is inside the ceiling, the false ceiling has to be opened frequently for attending to the unit. Care must be taken to provide a proper trap door and also handle the trap door properly to ensure that the false ceiling is not spoiled. Top ?
  • Do I have to necessarily buy a Voltage Stabilizer when I buy an AC?
  • The compressor which is the most critical component in the AC works between 190 to 240 V. With voltages in most parts of our Country going well below 190 V, we recommend using a Voltage Stabilizer. Top ?
  • What does the single - dual zone terminology mean?
  • Zone refers to how many air-handlers the unit comes with out of box. Our Mini Splits come with either a single zone, dual zone, tri-zone or quad-zone setup. The listed condenser capacity will be divided between the zone outputs in multi-zone systems. For example, a 48000 BTU Dual zone Mini Split will have 2 - 24000 BTU zones. It is most ideal to get an air handler for each room, however, one air handler will be more than sufficient for multiple rooms as long as the total area you are trying to cool is within the limits of the unit's BTU capacity. Top ?
  • What is the operating range of the unit?
  • More than likely the air conditioner is undersized and/or working harder to keep to the desired indoor design temperature. An air conditioner works properly and efficiently at the temperature it was designed to achieve during installation. If there are hotter than normal days, the A/C will try to maintain the indoor design temperature. This does not necessarily mean there is an undersized unit. It means that the particular hot day is outside the normal range of the calculated design for the A/C unit. A proper load calculation from an air conditioning contractor can determine if the air conditioner is properly sized for the geographic location. Top ?
  • What are cons of a mini split air conditioner?
 
  • More Advanced installation that Window-Portable Air Conditioners
  • In most cases, requires an HVAC technician to conduct or complete the final steps of the installation.
  • Unit is more expensive than Window or Portable AC's of similar cooling / heating capabilities.
  • Considered a Permanent Installation relative to Portable units.
 
 
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