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By minisplitwarehouse | Link
January 27, 2014 //
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Lg Ductless Split Air Conditioner in Dayton – What Are the Different Methods of Humidity Measurement?

There are various methods of humidity measurement, most of them using a device called a hygrometer. The hygrometer can work in a variety of ways, depending on the type, and is the most accurate method for determining the humidity in the air. Some are connected to other devices called humistats, which are connected to humidifiers and dehumidifiers, and help control the level of humidity in the air.

Split Ductless Air Conditioning Systems Reviews in Dayton – Humidity Measurement.

One type of hygrometer uses hair, usually human, that is attached to levers inside the unit. When the humidity in the air increases, the hair stretches, and then contracts when it decreases. The levers are generally connected to a dial which displays the humidity reading.

Split Ductless Air Conditioning in Dayton – Evaporative Cooling.

This method of humidity measurement is similar to when one goes swimming on a warm breezy day. Before entering the water, the temperature feels warm even with a breeze. If one jumps into the water and becomes wet and then gets back out, the breeze suddenly feels very cool. This is called evaporative cooling. Generally, the lower the humidity in the air, the bigger the drop in temperature.

Ductless Mini Split Air Conditioner in Dayton – Electric Hygrometers.

Electric hygrometers work by measuring the electrical resistance of a particular substance. Most substances, such as lithium chloride, have varying resistances to an electrical current based on the humidity in the air. These differences are then calculated to display the humidity.
 

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By minisplitwarehouse | Link
January 27, 2014 //
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Mitsubishi Ductless Split in Parma – What Is Specific Humidity?

Specific humidity is one way of measuring the amount of moisture, or water vapor, that is suspended in the air. In this case, specific humidity refers to the direct relationship between the amount of air laden with water vapor versus dry air in a predetermined mass of air over all. It is measured by taking the amount of water vapor and dividing it by the total mass of air in a given quantity to get a ratio or percentage result, usually expressed as grams of water vapor per kilogram of air.

Ductless Split Air Conditioner in Parma – Specific Humidity.

Specific humidity remains constant regardless of either pressure or temperature, as long as moisture is not added or reduced from a given mass. This differs from relative humidity in that it changes with fluctuations in the environment. Due to this rather stable method of measuring humidity, specific humidity is considered a very useful reading in the process of predicting weather changes in meteorology. 

Ductless Split in Parma – Calculate Specific Humidity.

Chemical engineering processes also calculate specific humidity to determine how it affects the outcome of chemical reactions. It is also used in mechanical engineering to test the stress level of building materials such as precast concrete.

Ductless Split System in Parma – Closely-related Concept.

Absolute humidity is a closely-related concept. In absolute humidity, a ratio of the mass of water in a total volume of air is compared, or grams per cubic meter, whereas with specific humidity it is a mass of water in a total mass of air, grams per kilogram. 
 
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By minisplitwarehouse | Link
January 27, 2014 //
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HVAC Heat Pump in Akron – What Is a Humidity Indicator?

A humidity indicator is a device which measures the amount of water vapor in the air. These devices range in complexity and functionality from simple cards impregnated with moisture sensitive chemicals to complex sensor and microprocessor systems. Most are used to establish the humidity levels in areas or environments which are sensitive to excessive airborne moisture or significant fluctuations in moisture levels. These include shipping containers, packaging for perishable or sensitive goods and electronic equipment bays. There are three common presentations of humidity indicators: chemical, electronic, or dial.

Air Conditioning Heat Pump Problems in Akron – What Is a Humidity Indicator.

In varying degrees, humidity is a constant environmental factor even in the driest and coldest climates. Generally the moisture present in the air poses no serious threats, but in certain environments too much or even significant changes in the amount of airborne water can be problematic. When keeping track of humidity levels becomes an issue, a humidity indicator can return useful information regarding the amount of water vapor suspended in the air. There are many different examples of humidity indicators in general use all of which, however, fall into three basic categories. As noted, these are chemical indicators, electronic sensors, and dial type hygrometers.

Air Conditioning Heat Pump in Akron – Chemical Indicators.

These chemical indicators are often incorporated into small inserts which feature a plastic viewing window. When installed in the side of a shipping container, electronic equipment enclosure, or any enclosed package they allow a quick visual display of the moisture level inside the container. The same type of chemical indicators are also fitted to compressed air lines in applications where controlling water content in the air flow is critical.

Heat Pump Repair in Akron – Electronic and Dial Type Humidity Indicator Types.

Electronic and dial type humidity indicator types are capable of returning more accurate humidity readings in applications where exact moisture content control is required. Electronic types typically consist of a remote sensor and a digital readout station and are often employed as part of extensive, centralized environmental control systems. Dial variants usually feature two scales which indicate both humidity levels and temperature.
 

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By minisplitwarehouse | Link
January 27, 2014 //
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Ductless Split Air Conditioner Reviews in Reading – What Are the Different Types of Room Ventilation?

Proper ventilation in any type of building is very important to the health of everyone who lives or works in the space. Indoor air quality can make a huge difference in the way people feel, both in terms of physical well being and mental balance. For this reason, making use of various methods of room ventilation is key to the design of any interior space.

Mitsubishi Ductless Split Air Conditioner in Reading – Types of Room Ventilation.

The most basic of all types of room ventilation is natural ventilation. A common approach to this method is the strategic installation of windows within the room. Assuming that the windows can be opened and closed at will, it is possible to allow fresh air into the space whenever desired. Opening windows from time to time makes it possible to rid the space of stale odors, as well as allow different types of airborne pollutants to be expelled from the home or office with relative ease.

Ductless Split Air Conditioner in Reading – Sophisticated Ventilation Systems.

More sophisticated ventilation systems are also in use today. Home, offices, and public buildings are often equipped with heating and air conditioning equipment that not only helps to regulate the temperature within the space, but also refreshes the indoor air. Using a system of filters and return vents, fresh air is constantly flowing into the room while stale air is expelled through a different segment of the room ventilation system. The end result is indoor air that is relatively free of allergens, and smells inviting and fresh.

Lg Ductless Split Air Conditioner in Reading – Simple Ventilation Fan.

Whether using a simple ventilation fan or a full-scale ventilation system, room ventilation often involves paying close attention to energy efficiency. Fortunately, many systems today are designed to produce maximum results with the least amount of energy consumption possible. As alternative forms of energy become more cost-effective, many homes and businesses are utilizing natural sources like sunlight and wind to effectively keep the air indoors clean and healthy.
 
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By minisplitwarehouse | Link
January 26, 2014 //
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Multi Zone Split Air Conditioning Systems in Bethlehem – What are the Different Kinds of Air Pollutants?

Substances which degrade the quality of the air we breathe are known as air pollutants, and the accelerating rate of industrialization around the world has led to high levels of pollution globally. Because air pollutants can travel on wind currents, pollutants are not only concentrated over industrialized areas: they can also be found in locations as remote as Antarctica. 

Mitsubishi Split Air Conditioning Systems in Bethlehem – Kinds of Air Pollutants.

Plants, animals, and people all suffer health problems as a result of air pollutants, which sometimes cluster so thickly that they cause a chemical fog known as smog. There are three primary sources of air pollution: chemical, biological, and particulate.

Split Air Conditioning Systems in Bethlehem – Heart and Lungs.

Air pollution impacts the world and the people that live on it in a number of ways. The primary problems associated with air pollutants are diseases of the heart and lungs. Asthma, emphysema, and respiratory allergies are on the rise globally, thanks to irritation by air pollutants. 

Split Air Conditioning Systems Reviews in Bethlehem – Ultraviolet Radiation.

Some pollutants are eating away at the atmosphere, exposing the earth to harmful ultraviolet radiation in high doses. Air pollutants also are the primary ingredient in things like acid rain, smog, and other pollution related weather phenomena which carry health problems for animals and plants alike.
 

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By minisplitwarehouse | Link
January 26, 2014 //
0

Ductless Heating and Cooling Systems Reviews in Scranton – What Causes Air Pollution?

Air pollution can be defined as any harmful material that is present in the earth’s atmosphere. The causes of such pollution, therefore, are many and highly varied. Some sources are natural, such as volcanism or forest fires started by lightning, while others are brought about by human activity, such as the burning of fossil fuels. While the earth does have built-in mechanisms for getting rid of air pollution, it is usually better for all living things to reduce the amount of pollutants released into the air to begin with.

Mini Split Heating and Cooling in Scranton – Air Pollution.

The most well-known and pervasive causes of air pollution are man-made. The burning of petroleum products is a very common cause of pollution, especially in metropolitan areas. This pollution comes from chemical factors present when these fuels combust. When hydrocarbons such as gasoline are burned, they produce carbon dioxide and water vapor. Incomplete combustion leads to carbon monoxide also being created as a byproduct.

Carbon dioxide and carbon monoxide are both considered to be pollutants. Also, no fossil fuel is perfectly pure and no engine is perfectly efficient, so small particles of soot are also released into the atmosphere, along with trace amounts of other undesirable substances. Other man-made causes of air pollution include smokestack emissions from factories and power plants. The substances emitted at these sources can include sulfur dioxide and nitrogen dioxide, which are responsible for the formation of acid rain.

While man-made air pollution does present health hazards, natural sources of air pollution can be equally dangerous at times. These sources include dust picked up by wind erosion, the emission of methane by livestock, and smoke from wildfires. Volcanic eruptions are perhaps the largest single source of air pollution, natural or man-made, that humans have ever dealt with. These can produce clouds of abrasive volcanic ash and other harmful substances such as chlorine and sulfur.
 

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By minisplitwarehouse | Link
January 26, 2014 //
0

Electric Heating Cooling Systems in Allentown – What Are Radiant Boilers?

Radiant boilers are specific heating installations in homes and other buildings that use the principle of radiant heat. These water-based heating systems generate heat from one object to another, rather than heating interior air. In these systems, the interior temperature can be lower than it would be for some other heating systems, while inhabitants are still effectively warmed by the radiated heat.

Radiant Heating Cooling Systems in Allentown – Radiant Boilers.

As common heating systems, boilers can benefit from radiant design in several ways. One benefit of radiant boilers and radiant heating systems is the lower incidence of contamination of indoor air quality. While some types of heating systems tend to blow around dander, dust, and small particles, radiant heating works in a more passive way that leaves interior air less disturbed. Proponents of rating boilers also mention that these heating systems tend to produce an evenly distributed heat.

Heating Cooling Systems in Allentown – Commercial and Home Environments.

The design of radiant boilers varies from one installation to the next. Engineers use some common standard designs for a majority of the radiant boilers used in commercial and home environments. A major type of radiant boilers includes pipes or tubes at the exterior of the boiler unit that get heated by the internal mechanism. These tubes help to radiate the heat outward into the space.

Geothermal Heating Cooling Systems in Allentown – Heating and Cooling Principles and Applications.

Other types of radiant boiler design are adapted for modern heating and cooling principles and applications. For example, some types of radiant systems operate on a similar basis as some “green energy” systems found in buildings designed by LEED certified builders, or other professionals with modern energy education. Geothermal heat systems operate through sub-floor pipes and tubes that deliver heated water to passively heat a space. Some types of radiant boiler heating systems include this kind of design as well.
 
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By minisplitwarehouse | Link
January 26, 2014 //
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Heater and Air Conditioner Wall Unit in Erie – What is Sick Building Syndrome?

Sick Building Syndrome (SBS) was first identified and recognized by the World Health Organization (WHO) in the early 1980s. It is a condition, most often occurring in commercial buildings, where numerous workers can be affected by a variety of symptoms, cutting down on worker productivity and greatly increasing absenteeism. 

Heater and Air Conditioner in One in Erie – Sick Building Syndrome.

The causes of Sick Building Syndrome are difficult to identify, because the condition is normally caused by a number of existing factors in the building. People may be affected by chemical output of paints, carpets, natural molds and pollutants like cockroach excrement, tobacco smoke, specific types of flickering lighting, low humidity, poor maintenance of the building, and air and heating settings that do not include enough exchange with outdoor air.

Heater and Air Conditioner in Erie – The Statistics.

The statistics on SBS from the WHO are staggering. It is estimated that up to half of new buildings, or newly refurbished buildings may cause Sick Building Syndrome. In worst cases, almost all employees in the building can be affected, up to 85%. From time to time residential buildings also cause SBS, but this is less common.

Heater and Air Conditioner Combo in Erie – The Result.

Illness resulting from apartment buildings tends to be the result of biological contaminants like molds or fungi, and poor overall maintenance of the building. Some think that SBS is less common in residential buildings since single apartments are likely to show greater variance in decoration. Further, many apartments give you the ability to open a window if the air seems stale, even in apartments of many floors. This may not be true in an office environment, and decorations are more uniform. Everyone on the same floor of a building may have the same carpet, and similar desks, chairs and lighting. This uniformity may be the reason why SBS more often occurs in commercial buildings.
 

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By minisplitwarehouse | Link
January 25, 2014 //
0

 

Heat Pump Home Depot in Columbus – What Are the Different Types of Indoor Air Quality Testing?

There are two basic types of indoor air quality testing. The first is a do-it-yourself (DIY) variety which allows consumers to use test strips themselves. Once the strip has been exposed to the air, it is sent away to a lab in order to be tested. The second is a test which is administered by a professional using specialized equipment. There are also different tests to check for different things in the air, such as mold and mildew or certain gases.

Heat Pump Air Conditioner Cost in Columbus – Types of Indoor Air Quality Testing.

DIY testing kits are highly controversial when it comes to indoor air quality testing. They can be highly inaccurate due to the age of the test, human error, and alterations to the testing surface during transportation to a lab. For these reasons, it is not generally recommended that consumers use DIY testing kits unless there is a suspected problem, and even then, very rarely. A general rule of thumb is that if there is a suspected air quality problem, then there probably really is a problem.

For molds and other common household growths which may affect air quality, consumers can sometimes conduct indoor air quality testing without the use of any special equipment. The “sniff test” just involves going around the home or building and smelling for any mold, mildew, or a general musty smell. In the majority of cases, if something smells like mold, then that’s almost certainly what it is. The area with the strongest smell is generally the location the mold or irritant is coming from.

Window Heat Pump Air Conditioner in Columbus – Alarms.

Aside from mold and allergens, alarms can be used to help with indoor air quality testing. Gas detectors are designed to sound an alarm if higher than normal levels of natural gas, chlorine, and other gases are detected in the air. Having one of these on hand is especially important in homes using natural gas for heat, cooking, and water heating.
 

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By minisplitwarehouse | Link
January 25, 2014 //
0

Mini Split Heat Pump Reviews in Augusta-Richmond – What is Indoor Air Pollution?

Harmful particles that originate inside and tend to stay inside become indoor air pollution. The most common culprits are dust, which is 70% percent dead skin, pet dander, mold spores, bacteria, microscopic organisms, smoke, and chemicals from cleaning products. Certain rooms contain higher amounts of certain allergens, but even offices and the interior of cars are susceptible to indoor pollution. None of these spaces have adequate ventilation to freshen air, and all of them have unnecessarily high humidity.

Mitsubishi Mini Split Heat Pumps in Augusta-Richmond – Indoor Air Pollution.

The top indoor allergen is dust mite protein, created by mite carcasses and excretion. As with most allergies, exposure to dust mites can cause congestion, red and itchy eyes, itchy skin, or respiratory problems. These mites rely on a moist, warm environment with lots of dust; conditions that are common in most people's living and work places. Millions of mites are sustained by water vapor and nutrients from our skin flakes and bacteria. 

Mini Split Heat Pumps in Augusta-Richmond – Air Circulation Devices.

Air circulation devices, such as centralized heating and air conditioning, fans, air purifiers, or dehumidifiers can serve as collection areas for dust and mildew if not properly maintained. All these appliances have filters, ducts, or screens that must be cleaned or replaced regularly. Make sure all the ventilating outlets to your house are clean, including window screens.

Ductless Heat Pump in Augusta-Richmond – HEPA Filtration, HEPA Air Purifiers, and Carbon Filters.

Other purification tools include air ionizers, vacuums equipped with HEPA (High Efficiency Particle Arresting) filtration, HEPA air purifiers, and carbon filters. When indoor air can be five to ten times as polluted as outdoor air, it is important to take every preventative and corrective measure available. Even house plants, which recycle carbon dioxide into oxygen, help clean air.
 

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