how to choose air handling unit

Air Handling Unit (AHU) An Air Handling Unit (AHU) is used to re-condition and circulate air as part of a heating, ventilating and air-conditioning system.An Air Handling Unit (AHU) is used to re-condition and circulate air as part of a heating, ventilating and air-conditioning system.The basic function of the AHU is take in outside air, re-condition it and supply it as fresh air to a building. All exhaust air is removed, which creates an acceptable indoor air quality. Depending on the required temperature of the re-conditioned air, the fresh air is either heated by a recovery unit or heating coil, or cooled by a cooling coil.In buildings, where the hygienic requirements for air quality are lower, some of the air from the rooms can be re-circulated via a mixing chamber and this can result in significant energy savings. A mixing chamber has dampers for controlling the ratio between the return, outside and exhaust air. The AHU is a large metal box containing separate ventilators for supply and exhaust, heating coil, cooling coil, heating/cooling recovery system, air filter racks or chambers, sound attenuators, mixing chamber, and dampers.
AHUs connect to ductwork that distributes the conditioned air through the building, and returns it to the AHU.A heat/cooling recovery exchanger is normally fitted to the AHU for energy savings and increasing capacity.An AHU designed for outdoor use, typically on roofs, is also known as a rooftop unit (RTU). Some text in the modal. The product list contains all the products you saved while browsing through the products area. Your product list will be available next time you visit our site, if you do not chose to clear it. products on your product list Be social Take part Want to socialize with us? Get to know us and take part in the conversationHome / Air Handling Units selector Air Handling Units selector Vintage pink appliances, kelly green walls, and turquoise trim mingle in a well-mixed retro cocktail. Portable or window unit? Central air or ductless system? Make the right choice to keep your home cool all summer. Selecting the proper air conditioning system for your space involves weighing several factors: the type of room, its total cubic footage, the number of people typically using the space, and the room’s exposure to sunlight.
A professional heating, ventilation and air conditioning (HVAC) specialist can help you evaluate your space and suggest the most suitable system from among these options: Portable and window air conditioners. These units are commonly used for cooling single rooms. Popular for their affordability, portability, and versatility, they enclose a compressor, condenser, expansion valve or coil, evaporator, and cooling coil in a single box, which then fits on a windowsill or in a hole cut into the wall.how to fix the ac unit Central air conditioning systems. industrial ac units for saleEfficient and effective for cooling entire homes, central AC typically includes a large, external condenser unit connected to an indoor air handling unit, which moves cool air in and warm air back out through a system of supply and return ducts. used commercial hvac units for sale
A drain pipe runs from the indoor unit to an outside gutter to carry away condensation.Also known as mini-split, multi-split, or split-ductless systems, these work well to cool one or two rooms. Multiroom systems are available as well. Like central AC, these units have an outdoor condenser and an indoor air handling unit. Rather than being linked by ductwork, however, the two units are connected by a conduit that houses the power cable, refrigerant tubing, suction tubing, and condensate drain. These systems eliminate the need to tear down walls and ceilings to run air ducts — a huge plus for older or architecturally sensitive homes. What all those letters mean When selecting your unit, familiarize yourself with a few abbreviations that distinguish models on the market. First, air conditioners are rated by a seasonal energy efficiency ratio (SEER), which is the measurement of an air conditioner’s efficiency (the ratio of its cooling output to its energy input) over an entire cooling season.
The British thermal unit (BTU) rating, another important figure, indicates cooling capacity — how quickly and effectively a unit can cool a given room. Most closely tied to your electric bill is the energy efficiency ratio (EER), which is the ratio of cooling capacity to electrical input — this figure tells you how efficiently an air conditioner operates. You can find the EER rating on each unit’s yellow Energy Guide label. A typical range runs from 8 to 11.5, with 10 or higher considered the most efficient. If energy efficiency is top of mind for you, consider a unit certified under the U.S. Energy Star program, which recognizes models with good SEER and EER ratings. An Energy Star-approved room air conditioner runs about 10 percent more efficiently than an older unit, while an Energy Star-approved central unit might be 15 percent more efficient than its standard counterpart. In addition to the energy savings a higher-rated product provides, your state and local municipalities may also offer rebates or other incentives to consumers for making an energy-smart choice.
Once you’ve chose a unit, operating it efficiently will go a long way toward keeping your home cool and your utility bills low. Everything You Need To Know About Cooling Your Home 5 Easy Ways to Slash Summer Energy Bills Choosing the Best Refrigerator for Your Home Note: The views and opinions expressed in this article are those of the author and do not necessarily reflect the opinion or position of Zillow. With the X-CUBE compact TROX has created a ready-to-operate and pre-configured air handling unit that combines the excellent features of the X-CUBE in the smallest of spaces. These units handle volume flow rates of 600 to 6,000 m³/h and offer a heat recovery efficiency of over 80 % (dry, to EN 308), hence they are the ideal solution for small and midrange applications. TROX offers nine different X-CUBE compact units with a choice of two different heat recovery systems..Top performance, small size Volume flow rates of 600 to 6,000 m³/h Powerful EC fans also for high external differential pressures
High level of hygiene (conforms to VDI 6022) Heat recovery with heat wheel or counter flow plate heat exchanger Air filtration with TROX minipleat or NanoWave filters Ready-to-operate unit (plug and play) Operating side can be changed at a later stage Integral, bus compatible control technology Advantages at a glance Seamless integration into modern building management systems The X-CUBE CROFCU is a compact ventilation unit that ensures and maintains the essential conditions for all classes of clean rooms. The secondary unit for use with centralised ventilation and air conditioning systems is typically installed in false ceilings. It dissipates high thermal loads and requires only a low fresh air volume flow. The primary air system (patent pending) allows for the direct removal of exhaust air while fresh air is supplied to the room. Suitable for all clean room concepts Pumped chilled water cooling system with room temperature control
Increased flexibility if several units are connected Energy-efficient plug fan with EC motor Addition of fresh air from 50 m3/h to 2000 m3/h Monitoring of filters downstream Control of airlocks for people and material Contamination check by means of pressure zone control Space-saving due to smaller ducts Simple and quick commissioning due to plug and play With the TROX X-CUBE, an air handling unit with unlimited configuration options, TROX sets a new standard in the AHU market and defines considerably higher levels of quality, performance, flexibility, reliability, energy efficiency, and hygiene. Compelling all down the line. TROX now offers everything from a single source: air handling units and components – ideally complementary to each other.For even more energy efficiency and better quality with less coordination effort. For the ventilation of rooms and entire buildings, for filtering, heating, and cooling the air, for heat recovery as well as for humidification and dehumidification, and for volume flow rates of up to 86,000 m³/h