Split Unit

Split air conditioner units are a great alternative to traditional central air conditioner, and smaller as movable, or window air conditioners. Split air conditioner units provide you to have perfect control over which areas are cooled, but don't require that you have a space for a window in your room where they're operating unlike a window unit.

portable a/c unit units are called mini split units. They units are a ductless, which is normally pretty easy to install. In order to limit the use of a central air-condition, people will put in them in rooms where they regular the most. Thus keeps off using to air condition the full house and can help cut back on expenses. These units also usable to install in a room that has been added in your house and that is not attached by central air-conditioning system.Central air conditioning systems use bigger ducts that have results with efficiency. They can become disjointed or cracked, which greatly decreases the efficiency of the cooling. These are also challenging to install, requiring extensive ductwork to get everything in order. Again, the split a/c unit wins here as these apply one solid piece of tubing for output to the outside unit, and another for input. This prevents efficiency problems. This tubing system is easier to install than duct lines; not as much work is required to install this tubing.Some definite benefits to installing a split unit, especially if you resident in a rented apartment and you are not permitted to make changes to the actual structure of your place. There is only one possibility in your position is to look into purchasing a low-priced portable a/c unit.One outer unit can easily operate two or more internal units, its depends on the size of the system. Each of the internal split units are controlled independently of the other.There are some disadvantages to installing this kind of unit they are usually minimal. You may find that you have to pay more for this kind of system than you think for a window air-conditioning unit. People have also mentioned that they are slightly more costly to run when you have dual internal units than running central air conditioning.Window air conditioners are a proper solution to your requirements; they do require that you have a window in the room where it runs. But if you need to cool other rooms that are towards the centre of your home this doesn't work out better, free windows in your room, or not having windows large enough to keep a window air condition. Window air conditions also demand that you buy a complete air condition for every room you want cooled down. While a split a/c unit has a separate compressor that outdoor part of spilt air-conditioner is linked to the indoor units via copper and rubber tubing. So no window is required, and the indoor unit can be fix anyplace within the room.The outer unit can be covered out of view from passers so simply by setting it in a position that is not extremely visible.

There are some disadvantages to installing this kind of unit they are usually minimal. You may find that you have to pay more for this kind of system than you think for a window air-conditioning unit. People have also mentioned that they are slightly more costly to run when you have dual internal units than running central air conditioning.

Ductless hoods recirculate air

Purair ductless fume hoods provide operator protection when using hazardous substances. A face velocity at 100 fpm ensures containment of fumes, and an alarm alerts users when the airflow falls to an unacceptable level. The units operate at low noise levels and recirculate air so as not to exhaust expensive conditioned and/or heated air into the atmosphere. All mechanisms in the head section are located on the clean side of the filter, preventing contamination. The main filter can be chosen from 14 different types of carbon, which include specialty media for vapors of organics, solvents, acids, mercury and formaldehyde. HEPA filters for particulate filtration are also available.

Smart Use of Energy“High-efficiency SplitCool DC18 units will dramatically lower the total system cost for running an air conditioner from solar panels, by eliminating the bulk of installation work required by competitive units and by using fewer solar panels and a lower battery requirement,” said John Williams, chief operating officer, Solar Panels Plus. “Unlike the SplitCool DC18, most normal air conditioners simply turn on and off based on the thermostat, and this normal ‘on-off-on-off’ approach is very wasteful of electricity because it is not always necessary to run the compressor at full speed.”

www.air-science.com

World’s First DC-Powered, Ductless Mini-Split Air Conditioner Unveiled by Solar Panels Plus

New SplitCool DC18 Unit is Designed for Off-Grid Solar for Commercial and Residential Locations

Photos/Multimedia Gallery Available: http://www.businesswire.com/cgi-bin/mmg.cgi?eid=6149024&lang=enThe SplitCool DC18 uses a brushless, permanent magnet DC motor with a digital frequency driver that allows it to size itself dynamically based on load with a variable speed and variable refrigerant flow compressor, unlike a normal AC unit that has two speeds, stop and go. On a given day it can be an 18,000 BTU unit or a 4,000, 8,000, or 12,000 BTU unit based on need. By eliminating the on-off cycle of traditional air conditioners, the SplitCool DC18 is more efficient and it can provide more hours of cooling while using less power.No other HVAC solution can deliver the level of individual control and precision that you get with a Mitsubishi Electric solution. By moving refrigerant, rather than conditioned air, to the zone to be cooled and heated, temperature is more precisely controlled. Combined with intelligent air handling units that measure room air temperature, you can maintain the set point within 1 degree Fahrenheit.www.MitsubishiPro.comMitsubishi Electric--Advancing HVACSelect air handling units also feature an i-see[TM] sensor accessory, which senses and compares air and floor temperatures, and then adjusts vane direction as needed to optimize the comfort within the space.The SplitCool DC18 runs off a battery bank that is supplied power from an array of photovoltaic panels and installs without ducts, eliminating the majority of installation and materials costs. The unit can be added quickly to an existing structure and eliminates nearly 30 percent of cooling or heating losses which occur in the ductwork of forced air systems. It allows each room to be conditioned as a separate zone. The SplitCool DC18 can be used in permanent and temporary remote buildings or structures, such as construction office trailers, portable classrooms or medical facilities.Certain VRF systems feature simultaneous cooling and heating that removes excess heat energy from one zone and applies it to a different zone. The system's Branch Circuit (BC) controller performs all the work, bypassing the compressor unit and saving electricity. With simultaneous cooling and heating, you never have to worry about when to switch large systems over from cooling or heating. And, tenants can more precisely control their environments, managing for fluctuating load levels due to ambient conditions or use of their individual space.

Photos/Multimedia Gallery Available: http://www.businesswire.com/cgi-bin/mmg.cgi?eid=6149024&lang=en

Mitsubishi Electric: unprecedented comfort and efficiency

Mitsubishi Electric's variable refrigerant flow (VRF) zoning and split ductless solutions give you the ability to provide building occupants with personalized comfort control without sacrificing overall system efficiency.

800-306-0656* Air Science USA LLCAll Mitsubishi Electric solutions feature highly-responsive and efficient INVERTER compressor technology. INVERTER compressors ramp up or down quickly, providing just the right amount of energy necessary to achieve the cooling or heating demand of the zone. Then, working in tandem with system controls and sensors, the INVERTER compressor varies its speed to maintain the desired comfort level. Thus, the system performs at only the minimum energy levels necessary and does not waste electricity when partial-load conditions are present--which is 97% of the time in most locations.Solar Panels Plus is a Chesapeake, Virginia-based importer, distributor and manufacturer of solar energy products for residential and commercial applications including solar water heating, solar pool heating, and solar air conditioning and solar heating solutions. Solar Panels Plus distributes their wide range of products through a nationwide network of authorized dealers. For more information, visit www.solarpanelsplus.com3400 Lawrenceville Suwanee RdEnergy modeling software has compared Mitsubishi Electric's INVERTER-driven solutions with other types of HVAC systems, applying the design conditions for several major U.S. cities. Mitsubishi Electric's system performance was consistently 25% or more efficient than traditional systems.www.air-science.comMitsubishi Electric VRF and split ductless systems also save energy through zoning capabilities. Zoning enables personalized comfort control by delivering the right amount of refrigerant to precisely meet the load in a space. Systems can be sized and designed to adjust for a building's solar gain and the changing seasons. And, systems in vacant areas can be turned off, eliminating wasted heating or cooling capacity.Proof of EfficiencyCHESAPEAKE, Va. -- Solar Panels Plus (SPP), designer and manufacturer of solar water heaters, solar air conditioning/heating systems and photovoltaic solar panels, has released the SplitCool DC18, the world’s first and only DC-powered, high SEER air conditioning system. The SplitCool DC18 is ideal for any commercial or residential location where cooling or heating is required and grid power is unavailable, unreliable or requires generators (with potentially complex or costly refueling logistics).About Solar Panels Plus, Inc.There are other advantages to the SplitCool DC18 versus a traditional window or wall unit including that the remote compressor makes it significantly quieter and does not require a large hole in exterior walls. It also allows an interior room without an exterior wall to be cooled up to 50 feet away. The unit uses four or more 12 volt standard deep cycle batteries.Mitsubishi Electric Cooling and Heating SolutionsSolar Panels Plus will be demonstrating the new SplitCool DC18 air conditioning system at the AHR Expo, Monday, January 25-Wednesday, January 27, in booth #1989. To schedule a meeting with Solar Panels Plus or for more information, contact Bill Keeler or Evan Siff at 781 684-0770 or spp@schwartz-pr.com.Suwanee, GA 30024The HVAC industry is beginning to recognize the benefits of part-load operation systems and is now rating these systems with a new procedure yielding an Integrated Energy Efficiency Ration (IEER) rating. IEER will be the gold standard for part-load systems in the near future, and Mitsubishi VRF systems are designed to be among the best.

www.MitsubishiPro.com

Ductless Fume Hood

The PURAIR 5 Ductless Fume Hoods from Air Science USA feature a high level of operator protection where routine work is being carried out. The units exceed OSHA, ANSI, and all relevant international standards. The ductless design allows the unit to be positioned over a sink or benchtop apparatus. Three models available, with a choice of 24", 36", or 48" widths. The units operate at low noise levels, and because they recirculate, they do not exhaust expensive conditioned and/or heated air into the atmosphere. A face velocity of 100 fpm ensures containment of fumes and particulates for operator protection. An alarm alerts the operator when the airflow falls to an unacceptable level. An optional polypropylene spillage tray can be provided when required. The rear of the unit has lighting to illuminate the work surface. All mechanisms in the head section are on the clean side of the filter, with the switches and electrical components being isolated from any contamination. The patented filter clamping mechanism allows for the filter to be easily installed and ensures an even seal at the filter face at all times to prevent bypass leakage. The main filter can be chosen from 14 different types of carbon, which include specialty media for vapors of organics, solvents, acids, mercury, and formaldehyde. Air Science USA, 800-306-0656, www.airscience.com

Hydronic vs Forced Air Heating and Cooling

Hydronic, or hot water, heating has been standard for years in many parts of the U.S. It is seeing a surge in popularity at present, mainly because of the increasing use of radiant floor heating, which is known for providing even, comfortable heat. Yet contrary to popular belief, not every home in the free world needs hydronic heat to achieve this level of comfort.

There are some disadvantages to installing this kind of unit they are usually minimal. You may find that you have to pay more for this kind of system than you think for a window air-conditioning unit. People have also mentioned that they are slightly more costly to run when you have dual internal units than running central air conditioning.One outer unit can easily operate two or more internal units, its depends on the size of the system. Each of the internal split units are controlled independently of the other.Central air conditioning systems use bigger ducts that have results with efficiency. They can become disjointed or cracked, which greatly decreases the efficiency of the cooling. These are also challenging to install, requiring extensive ductwork to get everything in order. Again, the split a/c unit wins here as these apply one solid piece of tubing for output to the outside unit, and another for input. This prevents efficiency problems. This tubing system is easier to install than duct lines; not as much work is required to install this tubing.Hydronic heat is sometimes touted as more comfortable than forced-air heat. But since the typical hydronic system is significantly more expensive than the typical hot-air system, especially if cooling is included, this is an apples-to-oranges comparison. Customers willing to invest in a quality hot-air system, rather than a bare-bones package at the lowest price, will find that forced hot air can be as comfortable as hydronic heating. Unfortunately, if the heating system is hot water and the home owner doesn�t spend the extra up front to cool their home, their finished home may be still too expensive to add the cooling system later and probably imposable to even install without doing even more expensive and inconvenient remodeling to accommodate such an install. Or the homeowner may have to add a window air conditioner instead to each of the rooms in the home. Another system maybe a ductless system that is not as efficient as the central split system design on a standard forced air install.

The house would be separated into several zones, I recommend Arzel Zoning Systems, with separate thermostats, and the air would be distributed through well-sealed, insulated ducts. In many cases, such an upgraded hot-air system will still cost less than a hydronic system.

Author: Daniel Gipe

Split Unit

Split air conditioner units are a great alternative to traditional central air conditioner, and smaller as movable, or window air conditioners. Split air conditioner units provide you to have perfect control over which areas are cooled, but don't require that you have a space for a window in your room where they're operating unlike a window unit.

Many people find it advantageous to install this type of unit for various causes. These are small and easy to install.The least expensive forced-air system usually includes a single-stage furnace with a single-speed blower motor. The entire house is ducted as a single zone, and therefore has just one thermostat. If the system is sized by a contractor who uses a rule-of-thumb formula to estimate heat loss and heat gain, the homeowner can end up paying higher-energy bills for a noisier, less efficient system that provides uneven temperatures from room to room.The outer unit can be covered out of view from passers so simply by setting it in a position that is not extremely visible.A quality forced-air system would probably include a Coleman two-stage furnace with a variable-speed blower motor.Window air conditioners are a proper solution to your requirements; they do require that you have a window in the room where it runs. But if you need to cool other rooms that are towards the centre of your home this doesn't work out better, free windows in your room, or not having windows large enough to keep a window air condition. Window air conditions also demand that you buy a complete air condition for every room you want cooled down. While a split a/c unit has a separate compressor that outdoor part of spilt air-conditioner is linked to the indoor units via copper and rubber tubing. So no window is required, and the indoor unit can be fix anyplace within the room.The house would be separated into several zones, I recommend Arzel Zoning Systems, with separate thermostats, and the air would be distributed through well-sealed, insulated ducts. In many cases, such an upgraded hot-air system will still cost less than a hydronic system.Some definite benefits to installing a split unit, especially if you resident in a rented apartment and you are not permitted to make changes to the actual structure of your place. There is only one possibility in your position is to look into purchasing a low-priced portable a/c unit.

There are some disadvantages to installing this kind of unit they are usually minimal. You may find that you have to pay more for this kind of system than you think for a window air-conditioning unit. People have also mentioned that they are slightly more costly to run when you have dual internal units than running central air conditioning.

Author: Victoria Julee