HVAC Evergreen Park Chicago2018-11-15T06:23:49+00:00

HVAC Evergreen Park Chicago | Expert Energy Efficient System Designs

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Don’t be misled by our NY Engineers is your best bet if you are looking for Full Service Heating Cooling Air Conditioning Furnace (HVAC) Engineering Firm in Chicago Illinois. We are not only an HVAC Companies in Chicago but also a leading provider of Sprinkler Design Engineering services in or near Evergreen Park Chicago. Call us at 312 767.6877

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As of late huge crowds have been visiting the New York Engineers site in search of MEP Engineering in or near Chicago. That is due primarily due to the reputation we have built in this types of projects. With that said, many building owners from Des Plaines to Palatine, IL, do not know that NY Engineers is also the ideal choice for anyone in search of HVAC Firm in or near Chicago

The quest for energy efficient buildings involves power efficient HVAC system design. This will likely include systems for architectural enclosure, domestic water heating, lighting, HVAC, and vertical transportation. The loads for the HVAC systems can come primarily from five different places including lighting (cooling), the construction envelope (cooling and heating), ventilation (cooling and heating), equipment for program use (cooling) and occupancy (cooling).
The ventilation load is a function of either the devices necessary in an attempt to introduce it in to a space and control contaminant concentration or the number of individuals which will use the room. In nearly all climates within the southwestern and eastern regions of the US, to reduce outter ventilation helps you to save energy whenever the outer air is either warm and humid or very cold.
Governing the ventilation rate will be based on occupancy which is known as a variety of demand control ventilation. This is a everyday sort of energy conservation plan that is utilized for homes with irregular or crowded occupancy. Having heating and cooling loads dropped as low as possible can be carried out by making use of an increased performance building envelope, occupancy sensors, and performance lighting that exploits daylight response of lighting controls.

Chicago HVAC Engineering services versus HVAC Techs

If you’ve ever considered the distinction between a HVAC Technician versus HVAC Engineers, then continue reading:

Chicago HVAC engineers would be the people who manage installing of air conditioner systems for both residential and commercial buildings. They spend a great deal of their day in offices doing higher level organization and planning of installations nonetheless they do also see job sites from time to time.

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

HVAC engineers may have the chance to make more decisions about systems that are employed, and so they are the folks that would offer assistance with one of the most sensible refrigerants and which systems would best suit a much bigger building. In the industry, there is certainly some challenge between ‘the suits’ and ‘the ones that get their hands dirty’, but both jobs require a good familiarity with how air-con does work. In recent times huge crowds have been browsing our website looking for HVAC Supply Chicago. However, the focus of our firm is to become the top option for anyone seeking a HVAC Contractor near Chicago and or any of our other services including Protection Engineering services. We ask that everyone searching for additional details 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

Mechanical Engineering Information

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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