Install Sanyo Minisplit - Coefficient of Performance (COP).

Install Sanyo Minisplit. Measure the Output of Heat Pumps.

The coefficient of performance refers to the change in ratio in the heat released at an output compared to the work that must be performed in order to release that heat. This measurement is typically used to measure the output of heat pumps, however, it can be used for other measurements as well. The coefficient of performance is sometimes abbreviated COP or CP. Various equations are used to determine the COP in different applications.

Lg Mini Split. Determining the Coefficient of Performance.

When deriving or determining the coefficient of performance, the first rule of thermodynamics is important to remember. This rule states that energy can be changed, but it cannot be destroyed nor can it be created. As a result of this rule, the equations used to determine the coefficient of performance generally begin by considering the heat that is taken in from the air by the reservoir for cold heat and the heat that is released from the reservoir for hot air.

Panasonic Mini Split. Heating and Cooling Reservoirs.

To determine the coefficient of performance, the absolute temperatures of the heating and cooling reservoirs must also be considered in some COP equations. This changes the equation so that the absolute temperature of the hot air reservoir and the absolute temperature of the cold air reservoir are considered. Taking these absolute temperatures into consideration and using the Kelvin scale, the answer that is computed will determine the maximum theoretical efficiency for units according to the first rule of thermodynamics. This equation is commonly used to determine the coefficient of performance for refrigerators and air conditioners.

Sanyo Ductless Mini Split. Process of Determining the COP.

The process of determining the COP is important because a comparison of coefficients of performance can be used to determine the amount of energy that could be saved by using one type of system versus another. For instance, if an electric heat pump is running at a COP of 4.5, this means that it provides 4.5 units of heat, and for each unit of heat, one unit of energy is consumed. If the user knows the price per kilowatt of energy used, then he can make an informed decision as to the type of system that may be better suited financially for his needs or as to which of two systems is a better buy. For example, if an electric heat pump will cost more because of the price of electricity versus the price of natural gas, then it would be in the user's best financial interest to select a system that runs on natural gas instead.

Mini Split Airconditioners - Understanding Defrost Cycle!

Mini Split Airconditioners. Defrost Cycle.

During winter months many heat pumps will need to go through a “defrost” cycle during operation. Often this has not been explained well before installation, which leads to a lot of confusion about why the heat pump is not working. This document is provided to help users understand the defrosting cycle and address any concerns.

Mini Split Airconditioners Reviews. What is a “defrost cycle”?

In heating mode a heat pump extracts heat from the outside air and transfers it inside your premises to warm it. When the ambient temperature outside gets very cold (close to 0°C or below) the moisture in the air freezes on the outdoor unit’s heat exchanger as the fan blows the air across it. A defrost cycle is simply the system recognising that ice has formed or begun to form and automatically fixes this.

Airconditioners Ductless. Why does my unit have to do a defrost cycle?

Any ice building up on the outside heat exchanger reduces the airflow across it, which will affect the efficiency, sometimes reducing it dramatically. In extreme cases this can also cause damage to the outdoor unit.

Portable Airconditioners. How do I tell if my unit is in a defrost cycle?

Inside you will notice the unit will stop heating, the indoor fan will stop and depending on the model there will usually be some form of visual indication like a light on the unit (usually the “run” light) will blink continuously. Outside, the outdoor fan will also have stopped and the compressor will be running.

 

Install Mitsubishi Air Conditioning Systems. Measure Humidity.

Install Mitsubishi Air Conditioning Systems. Where are they used?

A humidity sensor, also called a hygrometer, measures and regularly reports the relative humidity in the air. They may be used in homes for people with illnesses affected by humidity; as part of home heating, ventilating, and air conditioning (HVAC) systems; and in humidors or wine cellars. Humidity sensors can also be used in cars, office and industrial HVAC systems, and in meteorology stations to report and predict weather.

 

A humidity sensor senses relative humidity. This means that it measures both air temperature and moisture. Relative humidity, expressed as a percent, is the ratio of actual moisture in the air to the highest amount of moisture air at that temperature can hold. The warmer the air is, the more moisture it can hold, so relative humidity changes with fluctuations in temperature.

Ford Air Conditioning System. Parts of the Sensor.

The most common type of humidity sensor uses what is called “capacitive measurement.” This system relies on electrical capacitance, or the ability of two nearby electrical conductors to create an electrical field between them. The sensor itself is composed of two metal plates with a non-conductive polymer film between them. The film collects moisture from the air, and the moisture causes minute changes in the voltage between the two plates. The changes in voltage are converted into digital readings showing the amount of moisture in the air.

Toyota Air Conditioning System. Excessive Moisture.

A person with a respiratory illness or certain allergies might use a home humidity sensor because low humidity can exacerbate breathing problems and cause joint pain, while high humidity encourages bacteria, mold, and fungus growth. Home humidors and wine cellars often have a humidity sensor that helps to maintain a consistent relative humidity optimal to safe long-term storage. Humidity sensors can also be used in homes or museums where valuable antiques or artwork are kept, because these items can be damaged or degraded from constant exposure to too much moisture.

Mitsubishi Air Conditioning Units Prices. Humidity Readings.

Commercial and office buildings often have humidity sensors in their HVAC systems, which help to insure safe air quality. Many automobiles use a humidity sensor as part their defrosting and defogging systems to automatically adjust the temperature and source of air used for heating and air conditioning. Humidity sensors also have industrial applications for production of materials that are sensitive to moisture. Humidity sensors give regular, ongoing readings of relative humidity, so they are used for data collection in oceanography and weather stations where humidity must be measured over time to analyze patterns and predict weather..

How to Install a Mini Split? Heat Pump Installation.

How to Install a Mini Split? The Cheapest Option.

The installation of your heat pump is a critical step in ensuring the heat pump performs effectively, is located correctly and the warranty is honoured by the manufacturer.

 

Many people opt for the cheapest install, trying to save on overall costs, but this is a decision that can easily be assisted by understanding that the cheapest option may cause untold problems for them in the future.

Install Mini Split Air Conditioner. Accredited Installers.

Experienced, accredited installers are generally qualified refrigeration technicians and/or registered electricians. They understand how a heat pump system works and what affect location and position of both the indoor and outdoor units will have. They have the specialised equipment required to complete the installation and have more often than not attended manufacturer courses on the correct installation and servicing of these systems.

 

The time it takes to install various heat pump systems can be as short as 3 hours for a very simple back to back installation (e.g. indoor and outdoor units located on either side of the same wall and virtually back to back) or up to an entire day for larger, more complicated installations. Multi or ducted systems may take a few days, depending on the number of units being connected.

How to Install Mini Split AC? Installation Costs.

Installation costs can be significant, so any adverts for extremely low installation costs should be investigated fully before signing on the dotted line.  Make sure the cost of installation is included in your quote.  Simple uncomplicated installations will obviously be cheaper than more involved installations. Some of the factors influencing the cost may be:

 

The size of the heat pump system being installed, the length of pipe run connecting the indoor and outdoor units whether the system can be wired into a local circuit or has to go back to the switchboard, the length of capping required to cover pipes to protect them from the elements outdoor unit needing risers (feet) and pavers if not on a concrete path or slab, the path the drain will need to take (concrete drillers required, plumbed into existing plumbing, etc.)

Ductless Air Conditioning Installation. Electrical Code of Compliance Certificate.

After completion of the installation, you should receive an Electrical Code of Compliance certificate.  If he is a qualified electrician, he will do this immediately.  If not, he may arrange for the electrician to visit you to provide the sign off.  This certificate should be kept in a safe place and confirms that all wiring meets New Zealand's current safety standards.

 

Senville Ductless Split System Air Conditioners. Air Filtration.

Senville Ductless Split System Air Conditioners. What are their needs?

To choose the best whole house air filtration, it is important to determine what your overall needs are. This will allow you to determine how sophisticated a system you should purchase. For example, those with asthma, lung disease, or other conditions may benefit from a heavy duty hospital grade filtration system. Those with no preexisting conditions on the other hand, may do well with a smaller system bought from a department store.

Mitsubishi Ductless Split System Air Conditioner. Integrated Humidifier.

One type of whole house air filtration system can be installed directly into your heating ventilation and air conditioning (HVAC) system. If you have an older HVAC unit, you may do better to replace the entire thing at once. Filters can be installed on the main unit and in the air vents. Some filtration systems also have a built-in humidifier. When using this type of whole house air filtration, it is important that you remember to change your filters frequently, and replace water used in a humidifier to prevent mold growth.

Ductless Split System Air Conditioner Reviews. Models effectively Large.

You may also choose a whole house air filtration system that works as a standalone unit. Although many of these systems are not large enough to filter an entire home, there are many higher-end models that can effectively do so. Just make sure that before you make a purchase, you carefully read the packaging on each system to be sure of the number of square feet it can filter. In some cases, combining two smaller units may be more cost-effective than buying one larger unit.

Split Ductless Air Conditioning Systems Reviews. HEPA filters.

Hospital grade whole house air filtration systems are generally installed via your HVAC system's ductwork, but they run using a separate system and come with a separate air filtration unit. These can be installed during the initial HVAC install or anytime after. For those who are chronically ill and need a more sterile environment, these are the most effective type of air filtering system. Most hospital grade units use a HEPA filtration device.

 

HEPA filters are capable of capturing smaller particles of allergens and bacteria than more conventional filters. This makes them more suitable not only for patients with lung conditions, but for other ill people who can’t be exposed to high levels of bacteria and toxins.

How to Install Mini Split AC? Heat Pumps vrs HRV.

How to Install Mini Split AC? The answer is not a straight forward one.

There is much confusion in the market regarding HRV/DVS/Moisture Master type systems, and many times we are asked how these compare with heat pumps.

The term HRV stands for Heat Recovery Ventilation System, yet these and similar systems advertised, are not heat recovery systems.  

Install Split System Air Conditioner. Positive Pressure Ventilation (PPV) Systems.

They are, however, ventilation systems and more aptly, positive pressure ventilation (PPV) systems and work by drawing the air “stored” in the ceiling and pushing it through ducts into the various rooms in a home. On sunny days, the air inside a roof space is generally drier and warmer than the air circulating inside the house, but there is a limited supply of this air in the ceiling space.  By pushing this warm air into your home, the system simultaneously forces out existing damp air, thereby reducing condensation.  A drier home is a warmer home, but as the available warm air in the roof space is pushed into the house, it is replaced with cooler air from outside, which in turn, is pushed into your home, once again reducing the temperature.

Ductless Air Conditioning Installation. The Filters. 

As you can imagine, the air in any roof space is neither fresh nor healthy as it is generally full of dust mites and spores.  In order to clean this air, the system filters it prior to it being introduced to your home, but not to the same extent as many heat pumps available on the market.  In order for the PPV or forced-air system to continue to provide warm air into your home, it needs to be heated which could further increase your electricity bill.

Mini Split Install. Benefits of Heat Pumps.

A heat pump works by circulating existing stale, unhealthy air with fresh, filtered air.  Heat pumps are usually room specific, meaning that a single heat pump cannot warm or cool an entire home.  They are sized according to the volume of air to be heated/cooled and can be positioned internally so that the air can be circulated to the best advantage.  This movement of air also aids in the reduction of condensation, but not generally to the same level as a PPV system.  The benefits of heat pumps are their convenience, the speed at which they reach set temperature and their technologically advanced filtration systems.

 

So as you can see, the two systems really have two separate purposes, the one is specifically for ventilation where condensation is an issue, while the other is focused more on controlling your environment with regard to heating, cooling and air filtration.

 

 

 

Aircon Ductless HVAC - Aluminum Tape Uses in the Electrical!

Aircon Ductless HVAC. Also Known as Foil Tape.

Aluminum tape, also known as foil tape, has many uses in the electrical, HVAC and construction industry. It is a comfortable tape that can be used in jobs requiring moisture and chemical resistance, thermal conductivity, flame resistance, heat and light reflectance and weatherability. There are several different styles of aluminum foil tape including acrylic adhesive, line-less, polymer coated and flame resistant aluminum glass tape.

Mitsubishi Ductless Air Conditioning. Ideal for Use in HVAC Systems.

Foil tape with an acrylic adhesive is used for sealing off vapors in fiberglass duct board, sheet metal ducts and FSK systems. It is ideal for use in HVAC systems, due to its high tack cold weather acrylic adhesive, which helps it to adhere well, even in periods of low temperature and high humidity. It performs at its optimum level in temperatures between -40 and 250 degrees Fahrenheit (-4.4 and 121.1 degrees Celsius), with a tensile strength of 21 pounds per inch (9.5 kg per 2.54 cm) of width.

Ductless Air Conditioning Review. Aluminum Tape.

Line-less aluminum tape is used for refrigeration duct bonding, due to its water-based acrylic adhesive and the absence of a liner. It can also be used for joining and sealing air duct seams and connections. Line-less aluminum tape has a service temperature range of 68 degrees Fahrenheit to 248 degrees Fahrenheit (20 to 120 degrees Celsius).

 

Polymer coated aluminum tape is used in the building industry to coat electrical cables. This type of tape is known as a shielding tape because it is also used to shield communication cables from the weather elements. Polymer coated aluminum tape has an aggressive adhesive and blocks out moisture and odors. Due to its insulation abilities, it is also used in mobile home roof repairs.

Ductless Air Conditioning Cost. Flame resistant aluminum glassTape.

Flame resistant aluminum glasseTape contains a solvent based acrylic adhesive, making it water and UV resistant. This type of aluminum tape is perfect for wrapping insulation cables, instruments and other high temperature sensitive materials, due to its heat-reflective wrap. It has a tensile strength of 135 pounds per inch (61.23 kg per 2.54 cm), and can withstand temperatures between -65 and 600 degrees Fahrenheit (-53.88 and 315.55 degrees Celsius).

 

All varieties of aluminum tape should be stored under normal conditions of 60 to 80 degrees Fahrenheit (16 to 27 degrees Celsius) with a relative humidity between 40 to 60 percent. For optimum performance, it should be used within two years of its manufactured date. Foil tape should only be used for the purpose in which it is intended. It hasn't been evaluated or reviewed for medical usage.