HVAC Dearborn Park Chicago2018-12-04T07:11:58+00:00

HVAC Dearborn Park Chicago | Expert Energy Efficient System Designs

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Don’t be misled by our NY Engineers is the top choice if you need a Full Service Air Conditioning, Heating & Cooling (HVAC) Engineering Firm in Chicago Illinois. We are not only an HVAC Companies in or near Chicago but also a leading provider of Electrical Engineering Engineering services throughout Dearborn Park Chicago. Call 312 767.6877

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Recently huge crowds have been taking a look at our site in search of HVAC Engineering in or near the Chicago area. That is due because of the following we have develop in this kind of work. With that said, a lot of general contractors from Carpentersville to North Chicago, Illinois, do not know that New York Engineers is also the ideal choice for anyone searching for HVAC Chicago

The pursuit of cost effective buildings involves power efficient HVAC system design. This can include systems for HVAC, lighting, architectural enclosure, domestic water heating, and vertical transportation. The loads for that HVAC systems will come primarily from five different places including lighting (cooling), the building envelope (cooling and heating), ventilation (cooling and heating), equipment for program use (cooling) and occupancy (cooling).
The ventilation load will be a function of either the machines needed in order to introduce it right into a space and control contaminant concentration or the number of people that will use the place. In virtually all climates within the eastern and southwestern areas of america, to reduce outside air flow helps save energy whenever the outer air is either humid and warm or very cold.
Controlling the ventilation rate is going to be based on occupancy which is called a type of demand control ventilation. This is a everyday sort of energy conservation strategy which is used for buildings with occasional or heavy occupancy. Having heating and cooling loads dropped to a minimum can be achieved by utilizing a higher performance building envelope, occupancy sensors, and performance lighting that uses daylight response of lighting controls.

Chicago HVAC Engineers versus HVAC Techs

If you have ever wondered about the difference between a HVAC Technician versus HVAC Engineers, then keep reading:

Chicago HVAC engineers would be the people that supervise the installation of air cooling systems for residential and commercial buildings. They spend a great deal of their time in offices doing advanced level management and preparation of installations nonetheless they do also stop by job sites every now and then.

In contrast, HVAC technicians in Chicago usually do more of the hands-on work  that deals with maintenance and repair. A HVAC technician may work together with an engineer to perform some of the installation task, particularly for smaller jobs. Generally speaking HVAC technicians do a lot more travel and might spend lots of time changing filters, identifying leaks, doing recharges or getting rid of old and outdated systems that use old refrigerants.

HVAC engineers may have a chance to make more decisions about systems that are employed, and so they would be the folks that would offer advice about one of the most sensible refrigerants and which systems would work best with a greater building. In the industry, there is some competition between ‘the suits’ and ‘the ones that will get their hands dirty’, but the two jobs require a good knowledge of how air-con really works. As of late many Internet users have been reading the NY Engineers website looking for HVAC Contractors Chicago Area. Nevertheless, the focus of our company is to be the number one choice for anyone looking for a HVAC Chicago and or any of our other services including Value Engineering Engineering services. We ask that those searching for additional information about our Heating & Air Conditioning (HVAC) Engineering Firm in Chicago Illinois stops by at our blog!

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A Plumbing Engineering Expert’s Guide to Variable Refrigerant Flow (VRF) Systems

Fire Protection Engineering UMD

A Comprehensive Guide to Variable Refrigerant Flow (VRF) Systems

Functions: Heating and Cooling

VRF systems use refrigerant as the heat-carrying medium instead of water, as implied by their name. A pump is controlled by a variable-speed drive to adjust the flow of refrigerant, depending on current load. These plumbing engineering systems are easy to install once contractors get familiarized with them, while also providing flexible operation and a remarkable energy efficiency. Another advantage of VRF systems is their modular design, which makes them a great option for projects that will be built in stages.

The most basic version of a VRF system uses an outside condenser unit that can be used for either heating or cooling. There are two refrigerant lines, one for supply and one for return, and they are shared by various indoor fan-coils. Although this basic VRF configuration does not allow simultaneous heating and cooling for different building areas, there are two ways in which the system can be modified to accomplish this.

Plumbing Engineering: Explaining Different Pipe Systems

Two-Pipe System

When VRF systems only use only one supply line and one return line, it is possible for plumbing engineering professionals to deploy a branch controller for simultaneous heating and cooling of different building areas. The branch controller is installed between the condenser unit and the piping network delivering refrigerant to the indoor fan-coil units.

  • Areas that require cooling are supplied with refrigerant in liquid form (subcooled), and areas that require heating are supplied with refrigerant in gas form (superheated).
  • Basically, the heat extracted from cooled areas is delivered to heated areas, and the condenser only provides the output difference required to balance heating and cooling.
  • Two-pipe VRF systems with a branch controller are recommended when the capacity will be expanded in the future. Since the controller provides hub to which all indoor units connect, there is no need to modify existing refrigerant lines during an expansion.

Simultaneous heating and cooling are only possible in a two-pipe system if a branch controller is deployed. Alternatively, a three-pipe system can be used for buildings with simultaneous heating and cooling needs.

Three-Pipe System

This VRF system configuration uses three lines connected to the condenser unit: one for heating, one for cooling and a common return line. The basic operating principle of a three-pipe VRF system is the following:

  • Instead of using a branch controller to deliver either liquid or gaseous refrigerant, this function is built into the outdoor condenser unit.
  • The three lines (liquid, gas and return) are connected to all indoor fan-coils, and each unit is equipped with a branch selector that switches the supply depending on the specified operating mode – heating or cooling.
  • The return is common for all fan-coils, regardless of their operating mode.

A three-pipe system generally provides a higher heat recovery efficiency than a two-pipe system with a branch controller, but the system provides reduced flexibility for future expansions – the existing refrigerant lines must be modified by someone knowledgeable in plumbing engineering to add more fan-coils.

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