HVAC Harvey2018-12-07T21:02:13+00:00

HVAC Harvey | Expert Energy Efficient System Designs

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Do not be fooled by our NY Engineers is your best option if you are looking for Full Service Heating Cooling Air Conditioning Furnace (HVAC) Engineering Firm in Chicago Illinois. We’re not only an HVAC Chicago but also a leading provider of Value Engineering Engineering services throughout Harvey. Call us at 312 767.6877

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As of late Hundreds of people have been browsing our website searching for Value Engineering in Chicago. That is due primarily due to the following we have built in this types of projects. However, a lot of building managers from Des Plaines to Niles, are not aware that NY-Engineers.Com is also the ideal choice for anyone looking for HVAC Company in Chicago

The search for energy-efficient buildings involves energy-efficient HVAC system design. This may include systems for lighting, architectural enclosure, domestic water heating, HVAC, and vertical transportation. The loads for your HVAC systems can come primarily from 5 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 might be a function of either the mechanisms necessary in order to introduce it into a space and control contaminant concentration or the quantity of folks that can occupy the area. In the vast majority of climates in the eastern and southwestern parts of the usa, to minimize outter air movement will save energy whenever the outer air is either warm and humid or very cold.
Managing the ventilation rate will probably be based on occupancy which is known as a form of demand control ventilation. This can be a common type of energy conservation plan which is used for homes with intermittent or crowded occupancy. Having cooling and heating loads dropped to a minimum can be carried out through the use of a very high performance building envelope, occupancy sensors, and performance lighting that employs daylight response of lighting controls.

Chicago HVAC Engineers vs HVAC Techs

If you’ve ever wondered about the difference between a HVAC Engineers versus HVAC Technicians, then keep reading:

HVAC engineers are definitely the individuals who manage setting up of air cooling systems for commercial and residential buildings. They spend lots of their day in offices doing higher level management and arranging of installations nonetheless they do also visit job sites every once in awhile.

On the other hand, HVAC technicians in Chicago often do a lot of hands-on work with repair and maintenance. A HVAC technician may work with or for an engineer to do several of the installation task, specifically for smaller jobs. On the whole HVAC technicians do far more travel and could spend considerable time changing filters, identifying leaks, doing recharges or decommissioning old and outdated systems which use old refrigerants.

HVAC engineers could possibly have the chance to make more decisions about systems that are used, and so they would be the folks that would offer assistance with one of the most sensible refrigerants and which systems would work best with a bigger building. In the industry, there may be some challenge between ‘the suits’ and ‘the ones that get their hands dirty’, but the two jobs do require a good expertise in how air conditioner really works. Nowadays a lot of people have been browsing the New York Engineers site looking for things like HVAC Chicago Repair. With that said, the goal of our company is to be the number one choice for anyone looking for a HVAC Contractor in Chicago and or any of our other services including Sprinkler Engineering services. Furthermore everyone searching for additional information about our Air Conditioning, Heating & Cooling (HVAC) Engineering Firm in Chicago Illinois checks out at our blog.

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

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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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