HVAC Engineering New City Chicago, IL 2018-10-02T05:25:47+00:00

What Can Our HVAC Engineers in New City Chicago Do For You?

Architectural Engineers

Over the last decade a lot of developers throughout Yonkers, NY already know that NY-Engineers.Com is the engineering company to contact when you’re searching for MEP Engineering in New York City. What many local real estate investors have not realized is the NY-Engineers.Com is also your best choice if you’re looking for HVAC Engineering services in New City Chicago, IL. Those who need to understand more about what New City Chicago HVAC design engineers do? This really is an exclusive career that has a detailed listing of duties. An HVAC design contractor will be asked to go through several concundrums to eliminate the core issue. This job requires special talent, professionalism, and the opportunity to deal with time wisely.

Once an HVAC contractor is certified to work, they are going to be hired by an engineering business and begin to work on various heating, cooling, and refrigeration systems. Their role would be to create new and/or replacement options based on their customer’s requests. Every single customer is going to have an exclusive set of needs whether it concerns constructing codes or personal performance prospects. Using all of this info, the engineer sets off on a journey towards making something that’s energy-efficient, eco-friendly and ideal for the place it is going to be placed in – (industrial, commercial or residential. They usually are responsible for the primary drawings and managing the specific installation.

Generally, an HVAC design engineer in New City Chicago will likely be seen working at a design business or maybe in a consulting firm depending on their numerous years of skill. A great deal of engineers shift into a consulting job because they mature and achieve a better understanding of what is required of them.

Comparing HVAC Technician Versus HVAC Engineer

HVAC Engineer and HVAC Technician are often confused with one another. However, they have different tasks with regards to managing HVAC systems. It is essential to know the difference both as a parton and as a professional

An HVAC technician in New City Chicago is a more direct job, meaning they are generally seen heading to a owner’s house to check out their current system. They generally take care of the repairs, installations, and over-all keep that’s required every once in awhile. The majority of their job is done alongside the client, which implies they should learn how to connect with people in the right way.

With the HVAC engineer, they are responsible for designing a fresh HVAC system and making sure it fits what a client wants. It needs to fit precisely what the home owner wants whether or not this involves their setup, property, or everything linked to new system. Also, they are introduced to consult on HVAC creations to be certain everything is in step with the highest standards. This is why they can find themselves spending time in consulting firms or at local engineering businesses. That is basically the distinction between these two occupation; HVAC Engineer Versus HVAC Technician. There is a great possibility you would like more information about the HVAC Engineering services in New City Chicago, Illinois by NY Engineers we invite you to check out at our New City Chicago Construction Administration blog.

New New City Chicago HVAC Engineering Related Blog

A Plumbing Engineering Expert Explains Storage and Demand-Type Water Heaters

What Do Architectural Engineers Do

Water heaters are household appliances that normally use natural gas or electricity to produce heat, and often include a tank to store hot water. These plumbing engineering systems provide a very important service for modern society, especially in locations with cold winters. Water heaters represent a significant portion of building energy expenses, so an optimal design is very important to achieve low-cost operation.

The following summarizes the main types of water heaters:

Traditional tank-type water heaters work with either gas or electricity. They offer a large volume of hot water that can be dispersed throughout your entire home, and typically keep the stored water at a temperature near 120°F at all times. Oil-fired models are also available but have a higher running cost than gas heaters and pollute more than other plumbing engineering solutions for water heaters.

Heat pumps also use a storage tank but differ from conventional electric heaters in the method used to raise water temperature. While conventional heaters apply voltage to an electric resistance, heat pumps are like a refrigerator operating in reverse: they cool the surrounding air to heat the water inside.

Tankless or demand-type water heaters do not store hot water, but rather heat it quickly on demand. These are also available in both gas-fired and electric versions.

How to Select a Water Heater

The selection process for a water heater depends on the specific subtype. For example, tankless heaters must be sized to provide rapid heating in short bursts, while storage heaters can provide a steadier and less intense heat output. Regardless of the type of heater chosen, consider that saving water also saves energy, since there are less gallons to heat per day.

1)   Tankless or Demand-Type Water Heater

The first step is to identify the required flowrate in gallons per minute (GPM). To provide an example, consider the following figures from 2010 plumbing standards:

  • Bath lavatory sink = 0.5 GPM
  • Standard shower = 2 to 2.5 GPM
  • Total demand = 3 GPM.

The next step is to determine the temperature rise needed, from the difference between the required water temperature and the incoming water temperature. In this example, if the required temperature is 110°F and the incoming temperature is 57°F, the temperature rise is:

  • Temperature rise = 110°F – 57°F = 53°F

In this application, it would be necessary to select a water heater that runs at 3 GPM with a 53°F heat rise. This is very different from conserving water at 110°F inside a tank, since the demand-type heater must achieve the full temperature rise the moment water flows through.

2) Storage-Type Water Heater

The design approach here is different, since this type of heater keeps a reservoir for when hot water is needed. Hot water demand is typically analyzed in gallons per hour (GPH) instead of gallons per minute (GPM). Normally, GPH values come from local plumbing codes, while demand factors and storage factors for commercial and residential occupancies are mentioned in ASHRAE Codes.

Consider the following example:

  • Hot water demand = 492 GPH
  • Demand factor = 0.3 (for private residences per ASHRAE)
  • Storage factor = 0.7 (for private residences per ASHRAE)
  • Temperature rise (ΔT) = 100°F

The first step is to determine the required recovery rate, which describes how many gallons of water must be handled by the heater per hour. This value is obtained by multiplying the total hot water demand and the demand factor:

  • Recovery rate = 492 GPH x 0.3 = 147.6 GPH

The actual heat input is calculated as follows:

  • Heat input (BTU/H) = Recovery Rate (GPH) x ΔT (°F) x Specific Heat (BTU/gal °F)
  • Heat input (BTU/H) = 147.6 GPH x 100°F x 8.33 BTU/gal °F = 122,950.8 BTU/H
  • Heat input (BTU/H) = 123 MBTU/H (thousand BTU per hour)

The required capacity of the tank is determined by the storage factor:

  • Tank capacity = Recovery Rate x Storage Factor
  • Tank capacity (gal) = 147.6 GPH x 0.7 = 103 gal

In this application, the water heater must have a capacity of 123 MBTU/H at 100°F temperature rise and a recovery rate of 147.6 GPH.

Advantages and Disadvantages of Each Heater Type in Plumbing Engineering

Like with any engineering decision, water heaters come with distinct advantages and disadvantages. This section summarizes the strong points of each technology, as well as the limitations.

Storage-type Water Heater

Advantages:

  • Lower initial cost – A traditional water heater can cost half as much as a tankless water heater.
  • Easy and inexpensive to replace – A simpler installation means there’s less that can go wrong. Maintenance and reparations have a lower cost.

Disadvantages:

  • Higher utility bill – Water is heated and reheated at a preset temperature regardless of your hot water needs. This increases your utility bill, especially during the winter.
  • Space requirements – They occupy more room and can’t be placed outside.
  • Can run out of hot water – Ever been the last in your family to get the shower? It’s a chilling experience. This problem can be avoided by purchasing a larger tank, but this also leads to more energy costs because a larger volume of water must be kept hot.
  • Shorter service life – This type of heater lasts 10-15 years. As a result you have to buy them twice as often as tankless water heaters.

Tankless Water Heater

Advantages:

  • Saves money in the long run – For homes that use below 41 gallons of hot water per day, demand-type water heaters can be 24–34% more energy efficient than conventional storage heaters.
  • Compact and versatile – They are small and can be installed in more places compared with storage heaters, even outside a wall.
  • Longer service life – Last 20 years or more, almost doubling a traditional water heater’s service life.
  • Deliver hot water on demand – Tankless heaters provide two to three gallons of hot water per minute on demand. This can up to 5 GPM with gas-fired heaters.

Disadvantages:

  • Higher initial cost – Cost between $2800 to $4500 installed, depending on the model and supplier.
  • Retrofitting adds to upfront cost – Replacing a traditional water heater with a tankless system is more complicated, since the capacity of the electric or gas service entrance must be increased in most cases.

Which Are The Best Applications for Each Type of Heater?

Storage-type water heaters tend to work best when demand for hot water is constant and fluctuating, where low-demand periods can be used to replenish the tank. Some examples of suitable applications are restaurants, commercial areas, residential apartments and hotels.

Tankless water heaters are better suited for applications where the demand of hot water is well-known and occurs occasionally in short bursts. Some suitable applications are remote bathrooms and hot tubs. These heaters are also useful as boosters for dishwashers, clothes washers and other similar appliances. They can also complement solar water heaters that are unable to meet hot water demand by themselves.

If you are considering a new domestic hot water system, the best recommendation is to get professional assistance. A plumbing engineering professional will help ensure the DHW system will be adequate for the needs of your building.

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