Thursday, February 14, 2013

Mini Split Air Condition - Types of Refrigerant Gas!


Mini Split Air Condition. Different Types of Refrigerant Gases.



Refrigerant gas is a chemical product used in refrigerators, freezers, air conditioners and heating, ventilating and air conditioning units (HVAC). These gases, which have very low evaporation points, are condensed under pressure to chill the air. Through a process of repeatedly evaporating and condensing the gasses, heat is pulled out of the air and the temperature inside the room or unit is reduced. Different types of refrigerant gases include chlorofluorocarbon (CFC), hydrochlorofluorocarbon (HCFC), hydrofluorocarbon (HFC), perfluorocarbon (PFC), and blends made from ammonia and carbon dioxide.



 Lg Mini Split Air Conditioner. Chlorofluorocarbon (CFC). 



The first refrigerators built from the 1800’s until the 1920’s primarily used toxic gases such as ammonia (NH3), methyl chloride (CH3Cl), and sulfur dioxide (SO2). Unfortunately, the units occasionally leaked and caused several deaths, which prompted the refrigeration industry to put forth a concerted effort to find a safer refrigerant gas. The result was the discovery of chlorofluorocarbon (CFC) gas, which was a mixture of chlorine, fluorine and carbons. Freon® became the trademark name for a CFC gas that was primarily used as a refrigerant. This gas was colorless, odorless, nonflammable and non-toxic, and soon became the predominant refrigerant gas.



Mini Split Air Conditioner Reviews. Greenhouse Effect and Depletion of the Ozone.



In the 1970’s, scientists discovered that when CFCs leaked into the atmosphere, a chemical change occurred as a result of exposure to the ultraviolet rays of the Sun, resulting in a greenhouse effect and depletion of the ozone. Since that time, Freon® has been banned in many countries throughout North America and the European Union. In the United States, the Environmental Protection Agency (EPA) and the Clean Air Act established strict guidelines for the installation, repair, recovery and recycling of refrigerant gas. The European Union (EU) has also enacted strict controls through the EU F-gas regulations.


Mitsubishi Mini Split Air Conditioner. Positive Impact.



Refrigeration has had a significant positive impact on life and society in the areas of nutrition, medicine, and physical comfort. The toxic gases of the early days have been replaced by refrigerant gas which works effectively and poses no health danger. Environmental concerns do exist regarding the use of these compounds, yet many believe that strict standards for equipment and maintenance have mitigated any negative environmental impact.

Mini Split Airconditioners - How to Calculate Heat Load?


Mini Split Airconditioners. Factors to Calculate.



A heat load calculator is a tool used by HVAC professionals to determine the necessary size of a furnace and air conditioning unit. This tool was once only available to those professionals, but is now can be found online for free. The calculator takes many factors about a room, from size to window quality, insulation, doors, floors and desired temperature, to calculate the proper BTU output.


 


A heat load calculator is more of a computer program than a physical calculator, like the kind used in arithmetic. This complex equation that once needed to be performed by hand can now be finished in a few minutes. The calculator is commonly found online as a free program that presents easily filled fields. Precision in inputting these factors is essential to get the proper HVAC system size.


Mini Split Airconditioners Reviews. Measurement and Estimation.



The most physical labor required when operating a heat load calculator comes with measuring the rooms. For each room the HVAC system will reach, the length, width and height must be measured and inputted in feet. Exposed walls, also known as the exterior-facing walls, must also be inputted into the calculator.


 


Door and window values are also essential for the calculator's estimate. This means having to measure each door and window and enter the value into the calculator. Most calculators also ask what type of door, like wooden, glass or sliding, the room has. The number of panes within each window is also necessary to understand the room's current insulation level.


Airconditioners Ductless. Insulation Thickness.



The insulation level that needs to be inputted into the heat load calculator takes research, often looking back at remodeling paperwork. The insulation level of the walls and ceilings needs to be entered into the appropriate calculator field. The insulation level, in the United States, is measured between R6 and R20. The higher the number, the thicker the insulation. A heat load calculator will also ask what type of flooring the room has and what level, if any, of insulation is under the floor.


Portable Airconditioners. Complex Calculation.



Finally, the ideal room temperature must be entered, in Fahrenheit for United States calculators. Once all this data has been inputted the calculator performs a complex calculation based on all the factors and determines the heat load for the home. The heat load is measured in BTUs and watts. These numbers will correspond to various HVAC systems' capacities that will be able to properly supply heat and air to the room.

Wednesday, February 13, 2013

Install Mini Split | What is Portable Weatherization?


Install Mini Split. Cooling and Heating on wheels.



Portable air conditioning is a broad term used to refer to any type of air conditioning equipment that is not permanently installed. The term has been applied to small window air conditioning units that can quickly be removed and transported to another room. More commonly, portable air conditioning describes air conditioning equipment that is mounted on wheels and can be rolled from one location to another with ease.


Mini Split Cost. Lack of Money.



This type of ductless air conditioning equipment offers a viable way to either augment the function of central air conditioning or replace it altogether. Portable air conditioning is an especially attractive option when the cost of installing ductwork and a large heating and cooling unit is not feasible either due to structural issues or the lack of money to install such a system. Portable units make it possible to enjoy quick and easy room air conditioning within minutes, since many of the units are capable of cooling air in a single room with no great effort.


Mini Split Air Conditioner. Expulsion of Air.



Portable air conditioning units are normally mounted onto a rolling base. This makes it possible to move the unit into position easily, as well as store the unit when it is not required. As with any type of air cooling equipment, a portable unit usually requires some venting in order to circulate air properly. To this end, most examples of portable air conditioning with make use of either a hose or split air conditioning design in order to achieve the expulsion of hot humid air and circulate cooler dry air throughout the room.


Samsung Mini Splits. Backup



Both small and large portable air conditioning units are available. The smaller units normally work well in the home and can be stored in a pantry or hall closet with relative ease. The venting is usually accomplished by running a hose from the unit to a window, allowing the hot air to be directed outside. Larger units are useful in commercial settings, such as retail stores or on manufacturing floors. The larger units are often kept on hand as a backup for a central air system, making it possible to continue production in the event the main system fails for some reason.

How to Install a Mini Split? Types of HVAC Service.


How to Install a Mini Split? Diagnosis of the System.



Different types of heating, ventilation, and air-conditioning (HVAC) service may include installation, maintenance and repair of heating, air-conditioning and refrigeration systems. An HVAC technician is usually specifically trained to install, maintain, diagnose, and repair the electrical and mechanical components of these systems. Service personnel are also familiar with fuel and refrigerant needed for any of these systems. Companies might provide HVAC service to residential or industrial customers or a combination of both.


Install Mini Split Air Conditioner. Testing of equipment.



Installation of central heating or air conditioning systems requires not only connecting the appliance itself, but may also include installing the ductwork, which consists of the piping and tubing that run to and from the system, along with completing the necessary wiring. Once the entire system has been installed, the HVAC service company typically checks its performance using tools specific to the trade. Initial system checks might include making sure that the equipment and unit controls function properly, along with ensuring the absence of air or fuel leaks anywhere in the system.


How to Install Mini Split AC? Combustion of the Burner.



Annual HVAC maintenance of heating and cooling systems usually involves checking the various components of the system. Technicians may tighten connections and check the voltage of electrical components of the unit. HVAC service may also include lubricating any moving parts. Technicians may run the equipment through a working cycle to ensure proper and safe operation of all the components.


 


Heating system specific maintenance generally involves checking the gas or oil connections for fire or health hazards. Using special instruments, technicians can check whether the gas enters the furnace at the appropriate pressure level. Maintenance usually includes visually assessing the burner combustion and heat exchanger for signs of dirt and damage, which can deter the unit from operating efficiently and safely. HVAC service maintenance on central air-conditioning units usually entails a variety of checks, which include ensuring that drains allow condensation to flow adequately.


Ductless Air Conditioning Installation. Coolant Levels.



Dirty or defective air-conditioning components not only affect the unit's operating efficiency but also escalate operation costs. Air-conditioning coils must be clean, or the unit will run for longer periods of time. Technicians typically check the refrigerant levels of the unit, as excessive or insufficient coolant also affects operation efficiency and costs. The blower components of the air-conditioner must be clean and allow adequate air circulation.

Samsung Mini Splits | Starting Thermostat Wiring Project.


Samsung Mini Splits. Thermostat Replacement.



Thermostats are connected to a heating and/or air conditioning unit and are used to control and regulate the temperature inside a building by automatically turning the unit on and off as needed. Many single unit heater and air conditioners have a built-in thermostat that can be used to regulate the unit. A central heating and/or air conditioning unit will have a thermostat attached to the unit by wires, but located in a different area of the building for the convenience of the user. Replacing a thermostat can be easily done; it requires safety, time and an understanding of thermostat wiring.


Samsung Ductless Mini Split. Supplies.



Before beginning any thermostat wiring project, it is important to read through the entire set of directions and carefully study the diagram. Any necessary equipment should be purchased and all of the supplies gathered. Before even taking the old thermostat off of the wall mount the power source to the heating and/or air conditioning unit must be shut off. Turing the power off will prevent any injury to the installer or damage to the thermostat or the unit. Due to the fact that this step is so vital, a double check should be made by turning the unit to the on position to see if it comes on.


Samsung Heat Pumps. Wire Colors.



Since the old thermostat wiring may have different thermostat wire colors, it is advised to mark and label each wire as it is disconnected from the old unit. A simple tip to do this is to wrap each wire with a piece of masking tape and then label the masking tape. This will make it easier when wiring in a new thermostat. Note that thermostat wiring is not a quick process and in order to be sure that it is done correctly, time must be taken to ensure that all of the thermostat wire colors match up.


Samsung Wiring Diagram. Thermostat Type.



There are two basic types of thermostats, including line-voltage and low-voltage. Line-voltage thermostats are often used with a single unit system like baseboards and radiant heats. Low-voltage is more common and more efficient and can be used with units that use electricity, gas and oil. The type of thermostat used will depend on the type of unit. While there are two types of thermostats, there are many different kinds of thermostats, including programmable, electric, digital, and wireless thermostats. The kind of thermostat chosen is a personal choice that the buyer can make based on need and budget, as well as the type of heating/cooling unit.

Tuesday, February 12, 2013

How to Install Mini Split? Ways to Improve HVAC Air Flow!


How to Install Mini Split? Major Expense to the Consumer.



There are a number of ways to increase the overall heating, ventilation, and air conditioning (HVAC) air flow within structures, and many of them can be implemented without a major expense to the consumer. Ensuring that air ducts are clear of debris and that the vents are properly functioning is normally the first place to check, followed by ensuring that the compressor is generating enough pressure. Another common problem dealing with HVAC air flow is leaks or tears within the air ducts, and a quick repair will normally solve this problem. If none of these issues seem to be the case, it may be possible that the compressor or the actual cooling unit is too small for the dwelling they are installed on, so replacement may be the best option.



How to Install a Split Unit AC? The Torn Areas.



It is common for a number of issues to appear within HVAC ducts over a long period of time, and since it is near impossible to prevent, regular maintenance checks are necessary. One of the leading problems that consumers face with HVAC air flow is tears within the ductwork itself, which could be caused by anything from a protruding nail to a small animal that gained access to the crawlspace. If the damage is minor, duct tape can be applied over the torn areas to create a new seal, allowing the pressure to return to normal. Larger repair projects can sometimes be fixed by implementing a patch, while complex rips could require replacing the ductwork itself.



Install Mini Split Air Conditioner. Professional Repair.



Poor ventilation can also adversely affect HVAC air flow, and if the ductwork is sound, then the problem may lie within the vents themselves. A common tactic is to close off any unused air vents to determine if the pressure increases within other areas of the structure, and if it does not, then there is likely a type of clog in the vent itself or directly beneath it. The easiest way to rectify this problem is to physically remove each of the vent covers and vacuum out any debris or dust contained beneath them, although more serious issues may require professional repair.



Ductless Air Conditioning Installation.Clogged Compressor.



If the issue is a clogged compressor, there can be many causes. A clogged filter or damaged intake valve can reduce the amount of air pulled into the unit, and these areas should be inspected frequently for cleaning and maintenance. Eventually, the lack of air will cause the compressor to ice over so that no air can enter the device at all, and extended use within this state can permanently damage the motor within it. If the compressor is receiving a proper intake of air and the HVAC air flow is still minimal, then it is possible that the air handler is simply too small to cool the entire structure.

How to Install Mini Split AC? Is important Ductwork Cleaning?


How to Install Mini Split AC? What does it cover cleaning?



Ductwork cleaning is the process of removing dust and allergens from the air conditioning ducts and heating ducts in a home or business. Cleaning ducts can reduce the presence of these items in the air inside a building or home and it can greatly improve the air quality. Duct cleaning can also improve the productivity of a heating, ventilating, and air conditioning (HVAC) system.


 


Duct servicing can cover all ductwork and HVAC cleaning, including heating and cooling coils, drip pans, fan housings, and motors, as well as the return air ducts and air supply ducts. Pet dander from inside a home, as well as allergens that are introduced from outside, are sucked into the return air vent and thereby enter a HVAC system. This is a sealed system, so the contaminants have no way to escape, and the treated air is forced over the contaminants entering a living space.


Install Split System Air Conditioner. Different Procedures.




A ductwork cleaning service may use one or more procedures to clean a complete HVAC system. One method enlists a long brush called a duct brush that is fed inside the ductwork. The brush spins and attracts the dust and debris to itself to remove them. Another procedure uses a camera with a wireless controller that travels inside the ducts and sucks the dust and allergens out. Some ductwork cleaning companies also offer a deodorizer that can be sprayed inside the ducts to eliminate stale odors and leave a fresh clean scent.



Ductless Air Conditioning Installation. Breaks and Holes. 



It is a good idea to have a duct cleaner service an HVAC system at least once per year. These services not only clean the system, but will also inspect ductwork to make sure that there are no breaks or holes in the lines. Breaks and holes lead to outside allergens and dust being pulled into a system and distributed throughout the home. This can also result in increased electrical costs due to untreated air, which requires additional heating or cooling, entering the system.


Mini Split Install. Chimney Sweep.



Another type of ductwork cleaning service is a chimney sweep. Before lighting the first fire of the year in a fireplace is it important that the flue is open and there is nothing in the chimney that may combust. Small animals, like squirrels and birds, often make nests in chimneys. The nest material is highly combustible and can result in a fire inside the chimney, which may downdraft into the fireplace and into a home. Some woods may also leave a soot buildup that the chimney sweep can remove.