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Cooling towers

  • What is a cooling tower?
    What is a cooling tower?

    A cooling tower is a specialized heat exchanger designed to remove excess heat from water used in industrial processes and HVAC systems. It works by bringing hot water into contact with cold air, which facilitates the transfer of heat through evaporation and heat transfer.

    Cooling towers are designed to handle large volumes of water and operate efficiently in a range of environmental conditions. The tower's structure and design are optimized to maximize the surface area of water exposed to the air and increase the transfer of heat from water to air.

    During operation, hot water enters the cooling tower and is distributed through a network of pipes and nozzles. The water is then exposed to the flow of cold air, which creates a temperature gradient that facilitates the transfer of heat from the water to the air.

    As the water droplets travel through the cooling tower, they are broken down into smaller droplets through the use of specialized nozzles. This increases the water's surface area and improves the efficiency of the cooling process through evaporation.

    In conclusion, a cooling tower is a crucial component of industrial processes and HVAC systems that aims to cool hot water on a massive scale. Through the process of evaporation and heat transfer, cooling towers remove excess heat from water and maintain optimal temperatures for the system to operate efficiently.

  • How does cooling tower work?
    How Does A Cooling Tower Work?

    Industrial processes and air conditioning systems generate tons of heated water that require immediate cooling. A cooling tower plays a crucial role in this process by efficiently dissipating excess heat.

    When hot water is pumped through a cooling tower, it is exposed to cold, dry air. This air facilitates the transfer of heat through evaporation, which enables the water to cool down. The cooled water then returns to the air conditioning equipment or other processes to continue its cooling function.

    To maximize the cooling efficiency, water is passed through nozzles in the cooling tower, which spray it into droplets. This enlarges the water's surface area, increasing the chance of cooling down. Additionally, a fan located at the top of the cooling tower brings in cold air from the bottom, creating a countercurrent flow of air and water droplets. The fan enhances the heat transfer process and improves the cooling efficiency of the tower.

    In summary, a cooling tower is a critical component in industrial processes and air conditioning systems that facilitates the transfer of heat through evaporation. By cycling hot water through the tower, the system can efficiently dissipate excess heat and maintain optimal temperatures.

  • What is it used for?
    What is A Cooling Tower Used For?

    A cooling tower is a critical component in maintaining comfortable indoor temperatures for commercial buildings, hospitals, schools, and industrial complexes. It efficiently removes excess heat from the environment and saves energy and costs associated with cooling processes.

    In commercial and industrial settings, cooling towers are used to transfer heat from water to the air. The tower works by shooting water down the tower and exchanging heat with the interior of the building or facility. Air enters the tower from all sides and flows through the falling water. As the air travels through the water, heat is transferred, and part of the water evaporates. This process generates a thin, cloud-like mist that flows out the top of the tower.

    At the bottom of the tower, the cooled water is collected and pumped back into the plant or building for reuse. This closed-loop system is energy-efficient and minimizes water wastage, making cooling towers an ideal solution for industrial processes that require cooling.

    Overall, cooling towers provide efficient and cost-effective cooling solutions for commercial and industrial buildings, hospitals, schools, and other facilities. By using this technology, businesses can save on energy costs while maintaining optimal indoor temperatures for their employees, customers, and equipment.

  • Types Of Cooling Towers
    Types of Cooling Towers: Crossflow and Counterflow

    Cooling towers are crucial for industrial and cooling processes, as they prevent machines from breaking down and ensure safety. There are two main types of cooling towers: crossflow and counterflow.

    Crossflow Cooling Towers

    In a crossflow cooling tower, water flows vertically while air flows horizontally inside the tower. Unlike in a counterflow design, the water doesn't pass through the distribution system. Instead, it goes to hot water basins, which are installed on top of the unit. This gravity-fed setup is easily accessible and can be cleaned when operating from the top of the tower. The hydrostatic head of the water is the driving force behind the spraying nozzles.

    Counterflow Cooling Towers

    In a counterflow cooling tower, the air flows vertically upwards against the flow of falling water droplets. Unlike in a crossflow design, it's impossible to open sealed gravity basins. Also, counterflow uses pressurized pipe spray systems, making them inaccessible during operations. Moreover, the pipes and nozzles must be further apart to allow air to pass through easily without restrictions. The counterflow system also needs pumps to maintain pressure and must be shut off to clean the nozzles. Consequently, with this design, someone has to crawl inside the tight tower space to inspect or clean the nozzles.

    To sum up, crossflow cooling towers are more accessible and easier to clean during operation, while counterflow cooling towers are more efficient but require maintenance and shutdowns for cleaning.

cooling tower

We work with BAC, Evapco, Cimco cooling towers. The experts at A Plus Quality will assist you in finding the best system for your needs.

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  • What is a mini-split?

    By definition, and simply put, a “Split System” is a heating and air conditioning system which has two main components, the indoor unit and outdoor unit. In short, the indoor unit absorbs heat energy in the cooling mode, and the outdoor unit rejects the very heat absorbed by the indoor unit. And the cycle is repeated until the set temperature is met. Although the indoor and outdoor units are located in physically different, hence “split” locations, they are connected and operate as, one system; continuously circulating refrigerant liquid and vapor by means of interconnecting, dehydrated copper refrigerant lines, commonly referred to as a “Line Set”.

  • Why is there ice building up on the copper pipes?

    There can be many reasons why the refrigerant pipes are freezing up but the most common issue is low refrigerant levels. If your AC unit has ice buildup turn off the unit for at least 4 hours and call us at 416-410-0337

  • Water is Leaking on my Furnace

    Water falling on to the furnace can harm your heating unit by affecting the control boards and other components enclosed in the furnace. There can be many causes to the water overflow, but the most common cases in the summer is the ice build up inside the evaporator coil due to low refrigerant level. Water build up can also be due to the evaporator coil having a crack on the base, if this is the case contact us by booking an appointment or call us today to have a technician come have a look at your unit and repair this issue before it causes excessive damage.  

  • What are mini-split advantages?

    Just as the name implies, a “mini-split” system is a “split system” however available in smaller capacities, for single room to whole house conditioning. Mini-split systems may range from as small as 9,000 BTUh per hour, comparable to say, a small window AC unit, for individual room use, up to 4 and 5 ton capacities for “Room By Room” (also known as “Zoning”) and whole house conditioning. With near universal design, mini-splits are “heat pumps” which provide both heating and cooling for a home. Here are key advantages when compared to traditional split systems:

    Efficiency- Mini-splits are highly engineered systems which offer attractive operating efficiencies, in many instances, eligible for utility company rebates.
    Heat Pump- Most mini-split systems are heat pumps, providing year-round comfort.
    Solar friendly- Due to very low power requirements, mini-splits are an ideal complement to “Net Zero Energy” homes, or any home using renewable power.
    Carbon footprint- Mini-splits are 100% electric, with zero operating emissions of any type.
    Zoning- Most mini-split manufacturers offer systems capable of room-by-room “zoning”, to account for peak demands of a room based upon construction type, exposure orientation and usage.
    Variable capacity- Mini-splits are typically DC inverter driven. That is, a variable speed compressor which modulates in proportion to instantaneous demand. Most conventional split systems, by comparison, operate with an ON-OFF strategy. (Would you use an ON-OFF switch as the accelerator in your vehicle?)
    Location, Location, Location!- Mini-split outdoor units are compact; they can be located far away from noise-sensitive areas, such as bedrooms and home offices. Mini-split indoor units have the ability to be installed where conventional systems cannot.
    They’re perfect for additions and remodels where access to current HVAC system is difficult to access.
    Modern mini-split systems are remarkably quiet; in fact, many times their operation is unnoticed by the end user.

  • Furnace is blowing cold air in Winter?

    This can be due to Ignition lockout, sometimes could be resolved by resetting the power  and if this does not resolve the issue you should contact a certified gas technician from A-Plus Quality to get this problem resolved!

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