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Heating Ventilation and Air Conditioning Full Course - HVAC Course (Part 49)


  In this part of Full HVAC Course, We will learn about Value Engineering (VE) in HVAC..

Value Engineering in HVAC (VE)

Value Engineering in HVAC is designed to create efficient mechanical systems and greater benefits for the customer by improving product, material and manufacturing process. Typically, the engineering staff uses existing parts, materials and processes in an effort to maximize their value. In many cases, companies use value engineering to find parts, suppliers and manufacturing processes that will produce lower labor and capital costs.

In the HVAC industry, Value Engineering can also be used for improving products with consistency and quality. Making these changes often allows the HVAC company to achieve higher unit margins and increase overall profitability.

It is also important to use value engineering for existing systems. Utilizing value engineering methods, a customer can achieve high productivity while maintaining a high level of quality.

How Value Engineering Works

Tools for Value Engineering in HVAC can be quite different, depending on the type of HVAC equipment being modified.

Some systems require new parts, which means an entirely new design is needed. From this new design, materials and manufacturing process, new parts can be designed that minimize costs and increase quality. Newer HVAC systems can utilize a number of different parts to meet specific performance standards and standards.

Once an HVAC company designs and builds the needed parts, it is important to test them to ensure there is a good fit between the parts and the equipment. This is known as fit testing. The overall process of fit testing has a number of stages, which is divided into critical and non-critical tests.

A critical test determines if a HVAC system will work without problem. Any electrical, mechanical or hydraulic failure will require the parts to be replaced before continued use. An HVAC engineer may perform such a test for the parts and systems that will be used in a future project.

A non-critical test determines if the HVAC system will work. Many times, the equipment will need to be converted to another system for the system to function. This will allow the HVAC engineer to test and determine the required parts for each system.

Properties of the Components

Properties and properties of each HVAC system can be determined through a number of methods, but an important one is fit testing. Fit testing is conducted by engineering staff in the form of test failures. The testing can be limited to the end to end, either between components or the process of the entire HVAC system. The testing may also test the inside of a certain HVAC system, such as the mechanical components and materials.

Most of the HVAC engineers will perform and report on fit testing. The purpose of the fit test is to determine the required parts for the HVAC systems that are to be designed and manufactured. By comparing the existing components to the requirements of the future systems, the HVAC engineer can decide which of the existing HVAC components are best to utilize.

Fit testing should only be done on components that will be used in a future project. As an example, a fitting test can determine which type of doors to use. If the doors will be used for the same HVAC systems in the future, then the design parameters will not be different.

Fit testing is not a means to eliminate all that is wrong with a part. Fit testing should be used only in a later phase, when the current HVAC system and components are to be modified. It is often easier to make modifications and make changes to existing HVAC system than to design and fabricate a whole new system.

The Electrical Requirements

The electrical requirements for all HVAC systems are determined by the following parameters:

Heat Transfer Capacities (for fans, blowers and pumps)

Working Voltage (primary and secondary power)

Reliability (defect levels)

Minimum Air Pressure Requirements

Run Time

Vertical and Horizontal Loads

Manual and Automated Failure Modes

Human Operated Failures

Existence of Emergency Shutdown Modes

Fittings, Components and Parts that are currently in place may also be considered in the system specifications. In addition, an HVAC system can be designed to include one or more new systems. New HVAC systems will not be required until an expansion occurs in an existing system.

If a system is to be equipped with a whole new heating or cooling system, then this will be the responsibility of the new system designer. These types of systems are a source of continual improvements.

Value Engineering in HVAC Pumps

The customization of HVAC pumps to suit individual needs is called as Value Engineering. This process includes the evaluation of equipment and the market for associated aftermarket sales, and then the optimization of HVAC pumps. These pumps are produced on demand based on the various needs and specifications. This decision is done by assessing the market trends for each product and driving the commercial business to generate revenue and sell more in the market.

Value Engineering in Air Conditioning

Value Engineering in Air Conditioning is a Search for an Ideal Air Conditioning Product to Maximize Customer Satisfaction

Air conditioning is one of the most essential appliances of modern life. An air conditioner is used to provide cool air in an area where people usually need a cooling temperature. It is installed at the entrance or on the window. This air conditioner plays a significant role in the daily life of the person. However, its efficiency is a very vital feature of air conditioning units. An air conditioner is designed to provide cooling in the quantity that is required. It has to be efficient in terms of cost, size, and energy consumption. When they are made efficiently, there is no need for any maintenance and they can run continuously. For this, the experts choose an ideal air conditioner.

How do you select the ideal air conditioner?

A Good Air Conditioner is a Needed for the Entire House

Based on the size, efficiency, energy, and location requirements of the people in the house, they need to decide on the ideal air conditioner. They need to find a more or less powerful unit with high efficiency and thus, they need to ensure that it has an efficient filter, an efficient condenser, and a properly designed fan. They need to ensure that the main components of the air conditioner are well made to provide continuous cooling.

To buy an ideal air conditioner, you have to be very cautious. You should look for a reliable air conditioner manufacturer who has an ample experience in the field of product development and technicalities. This company is reputed for designing, designing, and manufacturing high quality air conditioners and air conditioning products. It has a team of highly qualified engineers and technical specialists who know a lot about product design and manufacturing. The professionals know how to deliver excellent quality and reliable products to the customers. So, before buying an air conditioner, you should opt for the company which provides extensive range of air conditioners and products.

It should be Compatible with Other Products

You need to find an air conditioner that has a perfect match for other products in the house.

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Heat Load Calculation Guide 1

Heat Load Calculation Guide 2

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How to Calculate External Static Pressure (ESP) with worked Example

How to Calculate Area of Sand Trap Louver with worked Example and detailed steps

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