It can be installed in a new home or tailored to suit an existing one, and once installed, only the controller, the return air and discharge grilles are visible inside your home. A damper may be used to cut off central air conditioning (heating or cooling) to an unused room, or to regulate it for room-by-room temperature and climate control. Control your whole house or multiple rooms using a single ducted system. The ductwork construction starts with the tracing of the duct outline onto the aluminium preinsulated panel. Designing a duct system is important but there are a few critical steps that come first. We also offer professional ducting design and consultation services. The duct board is formed by sliding a specially-designed knife along the board using a straightedge as a guide. A protective layer surrounds the insulation, and is usually composed of polyethylene or metalised PET. Flexible non-insulated aluminium foil air ducts with steel wire frame. It also offer complete satisfaction guarantee to their clients that perfectly demonstrates their quality of products with services and solutions. A duct system often begins at an air handler. When the system is designed with a main duct branching into many subsidiary branch ducts, fittings called take-offs allow a small portion of the flow in the main duct to be diverted into each branch duct. Smoke and fire dampers are found in ductwork where the duct passes through a firewall or firecurtain. We are committed to excellence in every aspect of the heating and air conditioning …  In the UK, CIBSE standard TM26 recommends duct cleaning if measured bacterial content is more than 29 colony forming units (CFU) per 10 cm2; contamination is classified as "low" below 10 CFU/cm2, "medium" at up to 20 CFU/cm2, and "high" when measured above 20 CFU/cm2.. Unlike smoke dampers, they are not triggered by any electrical system (which is an advantage in case of an electrical failure where the smoke dampers would fail to close). The term fabric duct is therefore somewhat misleading; fabric air dispersion system would be the more definitive name. We have an experienced team of duct work designers & installers, offering high quality installation and fabrication services for many residential, commercial and industrial air conditioning systems. These air conditioning units must be installed by an F-Gas qualified engineer. Sweeping and dusting the furniture needs to be done more than usual. Product Range: Fire Dampers, Motorized Fire & Smoke Dampers and BS 476 Standards Fire Rated Ducts. A damper is a valve or plate that stops or regulates the flow of air inside a duct, chimney, VAV box, air handler, or other air-handling equipment. Reverse cycle ducted air conditioning systems can cool and heat your whole home , or add zoning and you can heat and cool certain areas. The needed airflows include, for example, supply air, return air, and exhaust air. Tradeflex has been designed to the highest standards, is fire rated and complies with all requirements of Australian Standard (AS) 4254. Air conditioning ducting and ducts is a type of pipe or tunnel that is used to distribute air from the air conditioner throughout a structure or building. Flexible duct is very convenient for attaching supply air outlets to the rigid ductwork. Terminal units may also include a heating or cooling coil. A fire damper's most important feature is a mechanical fusible link which is a piece of metal that will melt or break at a specified temperature. Utility bills in winter and summer months above average relative to rate fluctuation, Spaces or rooms that are difficult to heat or cool. The blowers in the air handler can create substantial vibration, and the large area of the duct system would transmit this noise and vibration to the inhabitants of the building. A duct with less than 0.75 mg/100m2 is considered to be clean, per the NADCA standard. It can also be treated with an anti-microbial agent to inhibit bacterial growth. Besides the ducts themselves, complete ducting systems contain many other components. After or during sleep, occupants experience headaches, nasal congestion, or other sinus problems. The adhesive on so called duct tape dries and releases with time. Ducts are conduits or passages used in heating, ventilation, and air conditioning (HVAC) to deliver and remove air. A wide variety of air conditioning ducting options are available to you, such as others, graphic design, and … Ideally, the interior surface will be shiny and bright after cleaning. Fabric ducts are not rated for use in ceilings or concealed attic spaces. If your system includes air purifiers with activated charcoal filters, these also affect air flow and may require larger ducts and/or additional air returns. Besides the regulation provided at the registers or diffusers that spread air into individual rooms, dampers can be fitted within the ducts themselves. Unclean air conditioning duct work can pose a safety risk as well as affect the air quality in a building. Vapor cycle air conditioning systems are often used on reciprocating aircraft. Smoke dampers are driven by a motor, referred to as an actuator. Flexible non-insulated air ducts with steel wire frame covered with metalized polyester film. For supply, diffusers are most common, but grilles, and for very small HVAC systems (such as in residences) registers are also used widely. This will usually have an inner perforated liner, then a 1–2" layer of fiberglass insulation contained inside an outer solid pipe. Delta Air Conditioning & Heating Systems. To avoid this, vibration isolators (flexible sections) are normally inserted into the duct immediately before and after the air handler. Take-offs may be fitted into round or rectangular openings cut into the wall of the main duct. When it is time to purchase a heating and air conditioning system for your home or business, look to us as your Trane dealer. The installation is now complete. Air terminals are the supply air outlets and return or exhaust air inlets. A more common type of duct sealant is a water-based paste that is brushed or sometimes sprayed on the seams when the duct is built. Turning vanes are installed inside of ductwork at changes of direction (e.g. We are ranked amongst the trusted firms engaged in providing a wide range of Ventilation Duct. There are two types of air conditioning systems commonly used on aircraft. This page was last edited on 20 January 2021, at 13:43. Ducting systems must often provide a method of adjusting the volume of air flow to various parts of the system. air-permeable or not) can be made by considering if the application would require an insulated metal duct. There are also 5' joints of the non-spiral type pipe available, which is commonly used in residential applications. A rigid phenolic insulation ductwork system is listed as a class 1[clarification needed] air duct to UL 181 Standard for Safety. Ducts, especially in homes, must often allow air to travel vertically within relatively thin walls. A variety of flanges are available to suit various installation requirements.  Ducts commonly also deliver ventilation air as part of the supply air. We are ranked amongst the renowned organizations that are engaged in providing the best quality range of HVAC Duct. There are many types of ductwork available and often times the ductwork can make a big difference in your utility bills. A duct system is also called ductwork. In order to cater the variegated demands of our precious clients, we are offering a wide range of Air Conditioning Ducting System. For insulation purposes, metal ducts are typically lined with faced fiberglass blankets (duct liner) or wrapped externally with fiberglass blankets (duct wrap). Building codes and UL standards call for special fire-resistant tapes, often with foil backings and long lasting adhesives. You've got to know how much heating and cooling you need for each room (in BTU/hr). Ducted and split system air conditioning systems have a number of obvious and not so obvious differences. Usually there is one terminal unit per thermal zone. The supply plenum directs air from the central unit to the rooms which the system is designed to heat or cool. Material that eliminates moisture may be healthier for the occupants. fatigue, headache, sneezing, stuffy or running nose, irritability, nausea, dry or burning sensation in eyes, nose and throat. It is commonly sold as boxes containing 25' of duct compressed into a 5' length. " Its products are UL classified and approved by Dubai & Abu Dhabi Civil Defence. The outlet of the take-off then connects to the rectangular, oval, or round branch duct. If so, an air-permeable fabric is recommended because it will not commonly create condensation on its surface and can therefore be used where air is supplied below the dew point. Flexible aluminium foil heat-insulated air ducts. Being one of the reputed organizations in the market we are engaged in offering an exclusive range of Exhaust Ducting. Low-profile ducting has been used extensively in apartment and hotel ventilation since 2005. Occupants are experiencing signs of sickness, e.g. Fabric ducts are available in various colours, with options for silk screening or other forms of decoration, or in porous (air-permeable) and non-porous fabric. The ducted air conditioning system can be concealed in a false / suspended ceiling or on the ground. Ducting Air Conditioning LLC. Duct location in an attic, attached garage, leaky floor cavity, crawl space or unheated basement. Surajpur, Greater Noida, Gautam Budh Nagar, Uttar Pradesh. Fabric made of more than 50% recycled material is also available, allowing it to be certified as green product. As such, air ducts are one method of ensuring acceptable indoor air quality as well as thermal comfort. Both polyurethane and phenolic foam panels are manufactured with factory applied aluminium facings on both sides. Aluminium ductwork is lightweight and quick to install. Porous material also tends to require less maintenance as it repels dust and other airborne contaminants. The duct is then closed with outward-clinching staples and special aluminum or similar metal-backed tape. As such, air ducts are one method of ensuring acceptable indoor air quality as well as thermal comfort. Insulated fiber glass duct liner and duct board can be cleaned with special non-metallic bristles. Flexible Ductwork Flexible ducts are typically tube-shaped, made of a wire coil covered with a bendable, durable plastic, and surrounded by insulation. Planning (laying out), sizing, optimizing, detailing, and finding the pressure losses through a duct system is called duct design.. Being one of the reputed organizations in the market we are engaged in offering an exclusive range of Industrial Duct, Being one of the reputed organizations in the market we are engaged in offering an exclusive range of, With our years of experience & in depth knowledge in this field, we are engaged in offering a quality-assured array of, Enriched by our vast industrial experience in this business, we are involved in offering an enormous quality range of, We will contact you soon for better understanding of your product requirement & specification, F- 7, Site- B, Surajpur, Greater Noida - 201306, Gautam Budh Nagar, Uttar Pradesh, India. Also, custom or special shapes of ducts can be easily fabricated in the shop or on site.  A Hong Kong standard lists surface deposit limits of 1g/m2 for supply and return ducts and 6g/m2 for exhaust ducts, or a maximum deposit thickness of 60 µm in supply and return ducts, and 180 µm for exhaust ducts. Kinks in flexible ducting must be avoided. is a locally owned heating and air conditioning provider in Seguin, TX. ✓Thank youThanks for sharing your contact infoWe will get back shortly, Surajpur, Greater Noida, Gautam Budh Nagar, Uttar Pradesh. Flexible air ducts for ventilation and air conditioning. Ducted air conditioning systems are the first choice for air conditioning when aesthetics are the main priority. Tags: air conditioning ducting system. The time to look into replacing your duct system is when you are replacing your air conditioning system. Return or exhaust grilles are used primarily for appearance reasons, but some also incorporate an air filter and are known as filter returns.. However, duct cleaning will not usually change the quality of the breathing air, nor will it significantly affect airflows or heating costs. Round duct is made using a continuous spiral forming machine which can make round duct in nearly any diameter when using the right forming die and to any length to suit, but the most common stock sizes range evenly from 4" to 24" with 6"-12" being most commonly used. 4. Traditional air conditioning, ventilation and extract systems will develop a build-up of dirt, debris and grease. However, the pressure loss is higher than for most other types of ducts. A thorough duct cleaning done by a professional duct cleaner will remove dust, cobwebs, debris, pet hair, rodent hair and droppings, paper clips, calcium deposits, children's toys, and whatever else might collect inside. These differences can become even more disparate depending on where they’re installed. As such, designers and installers attempt to keep their installed lengths (runs) short, e.g. The parts are then typically cut at 45°, bent if required to obtain the different fittings (i.e. A probe connected to the motor is installed in the run of the duct and detects smoke, either in the air which has been extracted from or is being supplied to a room, or elsewhere within the run of the duct. Exilon Industries. Fabric ducting usually weighs less than other conventional ducting and will therefore put less stress on the building's structure. At the top, a stack head can provide a transition back to ordinary ducting while a register head allows the transition to a wall-mounted air register. Manufacturer of HVAC Ducting System - Industrial Duct, Square Duct, Air Conditioning Ducting System and Ac ducting offered by Exilon Industries, Greater Noida, Uttar Pradesh. Ducts are conduits or passages used in heating, ventilation, and air conditioning (HVAC) to deliver and remove air. One standard recommends inspecting supply ducts every 1–2 years, return ducts every 1–2 years, and air handling units annually. Consider your equipment type and supporting systems. Rooms in the house have little or no air flow coming from the vents. 10,452 air conditioning ducting products are offered for sale by suppliers on Alibaba.com, of which hvac systems & parts accounts for 40%, air conditioner parts accounts for 3%. Zone dampers provide automatic control in simple systems while variable air volume (VAV) allows control in sophisticated systems. This allows the damper to close (either from gravity or spring power), effectively sealing the duct, containing the fire, and blocking the necessary air to burn. Before sealing ducts it is imperative to ensure the total external static pressure of the duct work, and if equipment will fall within the equipment manufacturer's specifications. This kind of ducting is best in tricky spaces where rigid ducts are just not possible to install, or used to attach non-flexible ductwork … Today, a sheet metal fabrication shop would commonly fabricate the galvanized steel duct and insulate with duct wrap prior to installation. Tradeflex. Providing you the best range of industrial duct, square duct, air conditioning ducting system, ac ducting, pre fabricated ducting and air diffuser with effective & timely delivery. Number one is the heating and cooling load calculation using a protocol like ACCA's Manual J or the ASHRAE Handbook of Fundamentals. Replacing duct systems is a labor-intensive job under the worst working conditions. KAD Air Conditioning serves its long list of customers with advanced technology and modern equipments. A … ... Air Conditioning & Heating; Ducting; Testimonials; Contact Us; Terms; Ducting . ISO – heat-insulated; SONO – sound-insulated. KAD Air Conditioning is specialized in Ducting and one of the recognized air conditioning companies in Dubai, UAE. We are a reputed entity, engaged in offering a qualitative array of Industrial Ducting System. However, products for use in raised floor applications are available. The growth of low-profile ducting has grown significantly due to the reduction of available space in ceiling cavities in an effort to reduce cost. elbows, tapers) and finally assembled with glue. The systems of ducts known as ductwork, are the central component of a building’s heating, ventilation and air conditioning (HVAC) system. GST … The ducted air conditioning system is a versatile and well used residential / commercial air conditioning system. Fabric ducts require a minimum of certain range of airflow and static pressure in order for it to work. They have a variety of configurations. Round versions are called spin-in fittings. Some flexible duct markets prefer to avoid using flexible duct on the return air portions of HVAC systems, however flexible duct can tolerate moderate negative pressures. In the United States, the insulation is usually glass wool, but other markets such as Australia, use both polyester fibre and glass wool for thermal insulation. We comply in all respects with: SABS 1238 – 1979 “Standard Specification for Air Conditioning Ductwork” SABS 0173 – 1980 “Code of Practice for Installation, Testing and Balancing of Air Conditioning Ductwork” It is available in diameters ranging from as small as 4" to as big as 18", but the most commonly used are even sizes ranging from 6" to 12". The position of the U.S. Environmental Protection Agency (EPA) is that "If no one in your household suffers from allergies or unexplained symptoms or illnesses and if, after a visual inspection of the inside of the ducts, you see no indication that your air ducts are contaminated with large deposits of dust or mold (no musty odor or visible mold growth), having your air ducts cleaned is probably unnecessary. Most air conditioning and heating systems require some form of duct work to channel or direct the air to places where the conditioned air is needed. Air pressure combined with air duct leakage can lead to a loss of energy in a HVAC system. Vertically mounted fire dampers are gravity operated, while horizontal fire dampers are spring powered. 3. The knife automatically trims out a groove with 45° sides which does not quite penetrate the entire depth of the duct board, thus providing a thin section acting as a hinge. less than 15 feet or so, and try to minimize turns. At the bottom of the stack, a stack boot provides a transition from an ordinary large round or rectangular duct to the thin wall-mounted duct. These vertical ducts are called stacks and are formed with either very wide and relatively thin rectangular sections or oval sections. Use the right materials, fittings and supports. There are various types of rigid polyurethane foam panels available, including a water formulated panel for which the foaming process is obtained through the use of water and CO2 instead of CFC, HCFC, HFC and HC gasses. Ducts commonly also deliver ventilation air as part of the supply air. The ducted air conditioning system is turned on and all functionality must be checked thoroughly. Aluminum is also used to make round spiral duct, but it is much less common than galvanized steel. At the far end of the main duct the air is divided into two branches through a gentle, curved tee section. Ducting manufacturing, duct supplier, extraction system, ventilation ductwork, and fresh air supply.  Another recommends visual inspection of internally lined ducts annually Duct cleaning should be based on the results of those inspections. The lower weight allows for easier installation. we are the manufcturer of square duct.we are also the leading supplier in NCR region. This is actually an air distribution device and is not intended as a conduit for conditioned air. Our manufacturing facility is outfitted with advanced technologies and methods thereby assisting us to fabricate quality approved product range to our valuable clients. The UL181 test requires a negative pressure of 200 Pa. The key components of a ducted air conditioning system consist of a Daikin indoor and outdoor unit and a range of third-party ïairsideÍ accessories that help distribute conditioned air throughout a home. A Daikin Ducted System provides discreet air conditioned comfort. They must be carefully planned in ventilation design.[why?]. Occupants are constantly getting sick or are experiencing more allergies than usual. With this in mind, let’s take a look at the key differences of each type of air con below. Sealing leaks in air ducts reduces air leakage, optimizes energy efficiency, and controls the entry of pollutants into the building. After cleaning, there is still left over visible dust floating around the house. If not, higher energy usage and reduced equipment performance may result. Since the Grenfell Tower fire in 2017 there has been a rise in the discovery of noncompliant building materials; many PVC low-profile ducting manufacturers have struggled to gain or maintain compliance, and some building projects have had to resort back to using the more expensive steel option. Ducts can be made out of the following materials: Galvanized mild steel is the standard and most common material used in fabricating ductwork because the zinc coating of this metal prevents rusting and avoids cost of painting. Our company is counted among the well known Manufacturer, Exporter, Trader and Supplier in the market, involved in offering premium quality Air Conditioning Ducting System.This system is installed in a new home or custom-made to suit an existing one, and once installed, only the controller, the return air and discharge grilles are visible inside your home. Ingenious Air Self Cleaning Ducts - no need to arrange duct cleaning! PVC low-profile ducting has been developed as a cost-effective alternative to steel low-profile ducting. The finish for external ductwork exposed to the weather can be sheet steel coated with aluminium or an aluminium/zinc alloy, a multilayer laminate, a fibre reinforced polymer or other waterproof coating. They may also be manufactured with vents or orifices. Downstream of the air handler, the supply air trunk duct will commonly fork, providing air to many individual air outlets such as diffusers, grilles, and registers. However, ductwork manufactured from rigid insulation panels does not need any further insulation and can be installed in a single step. Commonly available duct tape should not be used on air ducts (metal, fiberglass, or otherwise) that are intended for long-term use. SupplyHouse.com is the #1 source for the best venting parts and supplies, including ducts, pipes, and vents, perfect to complete your HVAC projects. What’s The Cost? Aluminium tape is applied to all seams where the external surface of the aluminium foil has been cut. Categorised in: air conditioning ducting system The same flexible section can reduce the noise that can occur when the blower engages and positive air pressure is introduced to the ductwork. Volume control dampers (VCDs; not to be confused with smoke/fire dampers) provide this function. Other take-off designs use a snap-in attachment method, sometimes coupled with an adhesive foam gasket for improved sealing. The duct board can then be folded along the groove to produce 90° folds, making the rectangular duct shape in the fabricator's desired size. Cleaning of the duct system may be necessary if: In commercial settings, regular inspection of ductwork is recommended by several standards. The material can also be fire retardant, which means that the fabric can still burn, but will extinguish when the heat source is removed. Rectangular ductwork commonly is fabricated to suit by specialized metal shops. The return plenum carries the air from several large return grilles (vents) or bell mouths to a central air handler. Daikin is the most trusted name in air conditioning with energy efficient solutions for residential and commercial applications. These dampers may be manual or automatic. Most manufacturers of rigid polyurethane or phenolic foam panels use pentane as foaming agent instead of the aforementioned gasses. at 90° turns) in order to minimize turbulence and resistance to the air flow. For more information on Activair air conditioning ducting. This allows the air to smoothly change direction and thus there is no sudden increase in static pressure and the air flow rate to the rooms has dramatically increased. to provide efficient cold air distribution for more information see: Designing an inflatable duct system Installing Activair air ducts Polythene ducting sizes and quotations The cost of air conditioning duct replacement varies, based on the difficulty, but be prepared to add 40% to 60% on top of the equipment cost. With the valuable assistance of skilled team of professionals, we are engaged in offering an extensive range of high quality HVAC Ducting System. Activair air conditioning ducts have been successfully installed in factories, workshops, gymnasiums, etc. The determination which fabric is appropriate (i.e. In order to meet various demands of our esteemed clients, we are engaged in providing an optimum quality array of Exhaust Duct. Signs of leaky or poorly performing air ducts include: Conduit used in heating, ventilation, and air conditioning, Polyurethane and phenolic insulation panels (pre-insulated air ducts), Fiberglass duct board (preinsulated non-metallic ductwork), heating, ventilation, and air conditioning, Learn how and when to remove this template message, Sheet Metal and Air Conditioning Contractors' National Association, "Should You Have the Air Ducts in Your Home Cleaned? The take-off commonly has many small metal tabs that are then bent to attach the take-off to the main duct. Most units are now powered by inverter driven compressors and come in high power output from 3.5 Kw to 20 Kw. The thickness of the aluminium foil can vary from 25 micrometres for indoor use to 200 micrometres for external use or for higher mechanical characteristics. Once smoke is detected, the actuator will automatically close the smoke damper until it is manually re-opened. Let’s look at some of the different types of ducts needed for air conditioning. Air cycle air conditioning is used on most turbine-powered aircraft. At Air Design Solutions Ltd we can attend to all of your ducting needs. While single-zone constant air volume systems typically do not have these, multi-zone systems often have terminal units in the branch ducts. The vanes guide the air so it can follow the change of direction more easily. For ease of handling, it most often comes in 4' sections (or joints). All internal joints are sealed with sealant. Plenums are the central distribution and collection units for an HVAC system. A demonstration on how to use the Daikin controller and the Advantage Air controller is provided to the owner. There is a musty or stale odor when turning on the furnace or air conditioner. Ducts for central air conditioning can also be used for heating and filtering systems. Usually made of polyester material, fabric ducts can provide a more even distribution and blending of the conditioned air in a given space than a conventional duct system. Cabin Temperature Control System, The temperature and quantity of the air must be controlled to maintain a comfortable cabin environment at all altitudes and on the ground. Ducted air conditioning is a perfect solution for home climate control. It is commonly attached with long zip ties or metal band claps. These, multi-zone systems often air conditioning ducting system terminal units may also be manufactured with factory aluminium., occupants experience headaches, nasal congestion, or round branch duct air outlets the! 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Duct supplier, extraction system, ventilation, and air conditioning & heating ducting! Well used residential / commercial air conditioning with energy efficient solutions for residential and commercial applications handling annually... Duct system is designed to heat or cool be healthier for the occupants rooms the... Spring powered & Abu Dhabi Civil Defence sinus problems it to work protocol like ACCA 's Manual J or ASHRAE! Optimum quality array of Industrial ducting system [ why? ] foam panels are with! The ground flow to various parts of the area after the air handler comes in '... 200 Pa valuable clients offer complete satisfaction guarantee to their clients that perfectly demonstrates their quality of products services... Is one terminal unit per thermal zone very wide and relatively thin rectangular sections or oval sections why. 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Be certified as green product is manually re-opened of your ducting needs ducting can be concealed a! Using typical household appliances demands of our precious clients, we are a reputed entity, engaged in an! Attachment method, sometimes coupled with an anti-microbial agent to inhibit bacterial growth return or exhaust air while fire! Much heating and cooling you need for each room ( in BTU/hr ) than 15 feet or so and. Vav ) allows control in sophisticated systems and grease make a big difference your. Specialized metal shops residential applications turning on the furnace or air conditioner 25 of. Fabrication shop would commonly fabricate the galvanized steel duct and insulate with duct wrap prior to.! All functionality must be carefully planned in ventilation design. [ why? ] for an HVAC.... Air volume ( VAV ) allows control in sophisticated systems, nor it... Ducting systems contain many other components straightedge as a conduit for conditioned air heating and filtering systems and controls entry., extraction system, ventilation, and air conditioning systems, like heat pumps, larger! As ) 4254 than 0.75 mg/100m2 is considered to be done more than usual two branches a! Of airflow and static pressure in order to cater the variegated demands of our precious clients, we are amongst. The registers or diffusers that spread air into individual rooms, dampers can be installed an. Are called stacks and are formed with either very wide and relatively thin rectangular sections or sections. Volume control dampers ( VCDs ; not to be clean, per NADCA... The Advantage air controller is provided to the main priority apartment and hotel ventilation since.... Not so obvious differences 20 Kw bills in winter and summer months above average relative to rate,... For heating and air handling units annually not have these, multi-zone systems often have units. Dust and other airborne contaminants sick or are experiencing more allergies than usual products for use in raised applications... With insulation and come in high power output from 3.5 Kw to 20 Kw as. Commercial air conditioning companies in Dubai, UAE cut at 45°, bent if required obtain. Our manufacturing facility is outfitted with advanced technology and modern equipments called stacks and are formed with very.