HVAC Engineering Near North Side Chicago, IL2018-10-12T19:41:42+00:00

What Can Our HVAC Engineers in Near North Side Chicago Do For You?

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When you re looking for a competent HVAC Engineering in Chicago? Your best bet is to reach out to is NY-Engineers.Com. Not only for HVAC Firms in Chicago but also Architectural Engineering and Sprinkler System Engineering in or near Near North Side Chicago. Contact us at (+1) (312) 767-6877

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For over 10 years a great number of developers throughout Ossining, New York already know that New York Engineers is the engineering firm to call when you are searching for Electrical Engineering in New York City. What a lot local real estate investors have not realized is the New York Engineers is also your best choice if you are searching for HVAC Engineering services in Near North Side Chicago, Illinois. If you need to understand more about what Near North Side Chicago HVAC design engineers do? This really is an exclusive trade with an a detailed listing of duties. An HVAC design contractor will be asked to go through numerous concundrums to solve the basic issue. This career requires distinct expertise, competence, and the capability to manage time cleverly.

After an HVAC personel is certified to operate, they will likely join up with an engineering firm and begin to operate many heating, cooling, and refrigeration systems. Their role is to design new and replacement options depending on their customer’s requests. Every single customer will have a distinctive set of wants whether or not it is related to developing codes or individual performance anticipations. Making use of this data, the engineer goes on a ride towards making something that is energy-efficient, eco-friendly and ideal for the location it is going to be utilized in – (residential/commercial/industrial). They are generally in charge of the primary creations and managing the specific installation.

Generally, an HVAC engineer in Near North Side Chicago will probably be seen working at a design business or perhaps in a consulting firm according to their many years of expertise. Many engineers shift to a consulting job as they become older and achieve a better understanding of what is required of them.

Comparison: HVAC Technician Versus HVAC Engineer

HVAC Engineer and HVAC Technician tend to be confused with each other. Nevertheless, they have got different tasks in terms of working with HVAC systems. It’s crucial that you know the variance both as being a client as well as a specialist

An HVAC technician in Near North Side Chicago is a more hands-on job, which suggests they are usually seen heading to a client’s house to look at their current system. They often times take care of the repairs, installations, and overall keep that’s needed ever so often. The majority of their jobs are done together with the buyer, which means they should learn how to communicate with people in the right way.

With an HVAC engineer, they are responsible for creating a fresh HVAC system and ensuring it meets just what a customer needs. It has to fit what the home owner needs if it has to do with their setup, property, or anything else linked to new system. They are also introduced to talk on HVAC creations to make sure everything is in step with the highest standards. For this reason they may find themselves hanging out in consulting assignments or at local engineering businesses. This is the difference between these vocation choices; HVAC Engineer Versus HVAC Technician. Even with all of this information you would like more information about the HVAC Engineering services in Near North Side Chicago, Illinois by New York Engineers you should check out at our Near North Side Chicago Sprinkler Engineering blog.

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An HVAC Engineering Professional Explains Types of Compressors Used in Chillers

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The compressor performs a fundamental role in the operation of a chiller, making it possible to remove heat from indoor spaces or from industrial processes via HVAC engineering. Once the refrigerant in a chiller absorbs the heat from a building or process it becomes a gas, but it is incapable of releasing the heat right away in this form. However, after the compressor raises the pressure and temperature of the gasified refrigerant, the heat can be expelled. Air-cooled chillers release heat directly outdoors, while water-cooled chillers release it into a stream of water that is then pumped to a cooling tower.

There are many types of compressors, each with advantages and disadvantages. This article will provide an overview of the three types most commonly used in large commercial chillers. HVAC engineers can determine the best option for your building based on load characteristics.

  • Reciprocating compressor
  • Centrifugal compressor
  • Rotary-screw compressor

In commercial space cooling systems, the compressor is typically the component with the highest electricity consumption. Therefore, it is important to have a well-sized unit, and of a type that is suitable for the application at hand.

Reciprocating Compressors

The reciprocating compressor has a shape similar to that of a car engine cylinder, and it is also known as piston compressor for this reason. Refrigerant that has evaporated after absorbing heat is fed into the cylinder through suction valves, and compressed by the piston before being sent to the condenser.

For a given cooling capacity, reciprocating compressors have a lower upfront cost than centrifugal and rotary-screw compressors in HVAC engineering. They also offer design flexibility, allowing multiple units to be installed together to serve variable cooling loads – individual units are activated or deactivated as needed.

The main limitations of reciprocating compressors are their lower energy efficiency and their demanding maintenance, compared with other types of compressors. Also, although these compressors can achieve good capacity control when multiple units are used, there are few options to modulate the capacity of an individual unit. The two most common options are:

  • ON/OFF Control: Operating the unit intermittently (reduced duty cycle) when its full capacity is not required.
  • Cylinder Unloading: The compressor cylinder can be equipped with additional suction valves or a clearance valve. These valves remain closed when the unit operates at 100% capacity, but may be opened in several combinations to achieve reduced capacity.

Centrifugal Compressors

If a reciprocating compressor can be compared to a car engine, this type is comparable to a water pump because it also uses an impeller, with the difference that it operates with refrigerant. These compressors are also available in hermetic and open models, where the open construction offers higher efficiency.

At rated load, centrifugal compressors are more efficient than both reciprocating and rotary-screw compressors. They also offer a compact construction and are available in a wide range of cooling capacities. Capacity control is normally achieved with inlet vanes that increase or decrease the flow of refrigerant into the impeller.

Despite their superior efficiency at full load, centrifugal compressors suffer from a drastic loss of efficiency at part-load. At very low cooling loads they are rendered unable to operate, due to a phenomenon called surging: refrigerant that is already compressed flows back into the impeller, disrupting its operation.

Centrifugal compressors have the least number of moving parts among the three main compressor types, which means there are less components to service.

However, in most cases the impeller must be factory-ordered if fails; suppliers rarely keep stock because it’s a highly specialized component. Balancing and vibration must also be checked frequently to avoid loss of performance and premature component failure.

Rotary-Screw Compressors

This type of compressor uses two helical screws that are designed to mesh with one another seamlessly while rotating at high speed. They are manufactured with high precision to create a clearance between them, which serves as the compression chamber. These compressors are available in hermetic and open versions like the two previous types described, and capacity control is achieved with a special valve that varies the internal volume ratio.

Although centrifugal compressors are more efficient at full load, rotary-screw compressors offer the best performance during part-load operation. Since the cooling load on a building varies throughout the year, rotary-screw compressors tend to achieve the lowest operating cost overall, even if centrifugal compressors are more efficient at full load.

The main limiting factor of rotary-screw compressors is their high price. If the application does not provide opportunities to take advantage of their capacity control and their superior part-load efficiency, another type of compressor can be considered.

HVAC Engineering: Choosing the right Compressors

High-rise commercial buildings, like those found in many major cities, can generally achieve the best results with a space cooling chiller that uses a rotary-screw compressor. Despite being the most expensive option, it offers the best performance under the variable cooling load that characterizes buildings, while being the simplest system to service – consider that maintenance activities can be quite disruptive in a busy commercial property.

Working with qualified HVAC engineering experts ensures that your property gets a space cooling system that delivers high performance at an optimal energy cost. Chiller selection is a key element, but it is also important to specify adequate complementary systems: air handling units, hydronic piping, cooling towers, HVAC controls, etc.

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