HVAC Polish Village Chicago2018-12-03T09:12:07+00:00

HVAC Polish Village Chicago | Expert Energy Efficient System Designs

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Don’t be confused by our New York Engineers is your best bet if you are looking for Full Service Heating & Air Conditioning (HVAC) Engineering Firm in Chicago Illinois. We are not only an HVAC Contractor in or near Chicago but also a leading provider of Architectural Engineering Engineering services throughout Polish Village Chicago. Call (+1) (312) 767.6877

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Recently Many individuals have been taking a look at our website searching for Mechanical Engineering in or near Chicago. This is due primarily due to the reputation we have built in this kind of work. Nevertheless, many building owners from Hickory Hills to Champaign, are not aware that New York Engineers is also the ideal choice for anyone in search of HVAC Chicago, IL.

The quest for energy efficient buildings involves energy-efficient HVAC system design. This may include systems for domestic water heating, architectural enclosure, HVAC, lighting, and vertical transportation. The loads for the HVAC systems may come primarily from 5 different bases including lighting (cooling), your building 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 machines needed in an attempt to introduce it in to a space and control contaminant concentration or the number of folks who will fill the room. In virtually all climates inside the southwestern and eastern areas of america, to reduce outter ventilation can save energy whenever the

outside air is either warm and humid or very cold.
Manipulating the ventilation rate will likely be determined by occupancy which is called a kind of demand control ventilation. This really is a common type of energy conservation plan that is used for rooms with irregular or heavy occupancy. Having heating and cooling loads dropped to a minimum can be achieved through the use of a higher performance building envelope, occupancy sensors, and high performance lighting that uses daylight response of lighting controls.

Chicago HVAC Engineers vs HVAC Technicians

When you have ever thought about the distinction between a HVAC Technician vs HVAC Engineers, then continue reading:

Chicago HVAC engineers would be the individuals who run the installation of air-con systems both for commercial and residential buildings. They spend lots of their work in offices doing higher level management and arranging of installations however they do also see job sites every now and then.

In contrast, HVAC technicians often do more of the hands-on work with maintenance and repair. A HVAC technician may work with or for an engineer to do a few of the installation task, specifically on smaller jobs. In general HVAC technicians do considerably more travel and may even spend lots of time changing filters, identifying leaks, doing recharges or getting rid of old and outdated systems which use old refrigerants.

HVAC engineers might have a chance to make more decisions about systems that are employed, and they also are definitely the people that would offer assistance with probably the most sensible refrigerants and which systems would be perfect for a much bigger building. In the industry, there is some challenge between ‘the suits’ and ‘the ones that get their hands dirty’, but the two jobs require an excellent understanding of how air cooling does work. In recent times many Internet users have been reading the NY-Engineers.Com website searching for things like HVAC Contractors Chicago. Nevertheless, the focus of our company is to become the number one choice for anyone looking for a HVAC Chicago and or any of our other services including Electrical Engineering Engineering services. We ask that anyone searching for more info about our Air Conditioning, Heating & Cooling (HVAC) Engineering Firm in Chicago Illinois stops by at our blog.

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MEP Engineering in Upgrading Space Cooling Systems for Multifamily Buildings

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Most space cooling systems are powered by electricity, but some of the larger buildings also use absorption chillers powered by natural gas or district steam. Only space heating, plug loads and lighting consume more energy than space cooling in NYC.

There is a significant opportunity for MEP engineering to improve cooling efficiency in the multifamily residential sector, where almost half of all buildings use inefficient air conditioning systems:

  • Window-type air conditioners
  • Through-the-wall air conditioners
  • Packaged terminal air conditioners (PTAC)

These three types of space cooling systems have the same disadvantage: they require openings in the building envelope, which increase heat gain during the summer and heat loss during the winter. As a result, these AC units are not only inefficient themselves, but they also increase the load on space heating systems.

Space cooling systems in office buildings are generally more efficient, since the most common technologies used are direct expansion (DX) units and electric chillers, both of which are much more efficient MEP engineering solutions than window-type, through-the-wall and PTAC units.

Upgrading Space Cooling Systems in Individual Dwellings

Deploying centralized space cooling systems in existing multifamily buildings can prove challenging, since the upgrade can be highly disruptive for tenants and the allocation of space cooling expenses also becomes more complex. The cost of running a central AC system cannot be split equally because usage varies by tenant, and space cooling electricity cannot be metered individually if the system distributes chilled water or cool air.

However, there are also individual space cooling systems that offer a much better efficiency than window-type, through-the-wall and PTAC units.  Two of the most promising options are mini-split air conditioners and heat pumps.

A mini-split air conditioner gets its name from how the system is configured. An internal evaporator unit cools indoor air and circulates it with a built-in fan, while an external condenser unit rejects heat. The two components are just connected with insulated refrigerant lines, which eliminate the large opening required in older system configurations.

Mini-split heat pumps are also available, offering reversible operation to deliver space cooling in the summer and space heating in the winter. A heat pump consolidates two pieces of equipment as one unit, making it an attractive upgrade for dwellings that use inefficient space heating systems such as electric resistance heaters.

The cooling efficiency of split-type air conditioners and heat pumps is normally indicated by the Seasonal Energy Efficiency Ratio (SEER), a ratio of cooling output in British Thermal Units to electricity input in watt-hours. The SEER can be compared with the MPG value of a car (miles per gallon), where a higher value translates into a lower operating cost.

There is also an efficiency metric called the Energy Efficiency Ratio (EER), which has the same units. The difference is that the SEER considers the entire cooling season, while the EER is for test conditions defined by the Air-Conditioning, Heating and Refrigeration Institute (AHRI). In the case of heat pumps there is also a Heating Seasonal Performance Factor (HSPF), which is the ratio of heating output in British Thermal Units to electricity input in watt-hours.

Mini-split systems have  a remarkable efficiency advantage when compared with conventional electric heating and cooling options. Assume a window-type air conditioner and a resistance heater are replaced with a heat pump, having a SEER of 18 and HSPF of 9. In this case, space cooling savings of 50% or more can be expected, while heating savings exceed 60%.

Rebates for Air Conditioning Upgrades

In addition to delivering superior cooling efficiency, mini-split systems may be eligible for cash rebates from your utility company. Rebates improve the financial performance of air-conditioning upgrades. Since the upfront cost of the upgrade is reduced, the return on each dollar spent is increased.

MEP Engineering Recommendations Before Upgrading Space Cooling Systems

When an AC unit that crosses a wall or window is replaced with a mini-split unit that does not, the cooling load is reduced because a large gap in the building envelope is closed. The upgrade is also a good chance to check if there are no other leaks, especially around windows and doors. This increases the energy savings from a space cooling upgrade, since the new unit is not only more efficient, but is also subject to a reduced load.

In dwellings that use incandescent lighting, it is also possible to reduce the cooling load by upgrading to LED lamps. Consider that a 60-watt incandescent bulb can normally be replaced with a 10-watt LED bulb. If 10 of them are replaced, there are 500 watts less of heat to handle, equivalent to slightly above 1,700 BTU per hour.

Window-type, through-the-wall and PTAC units only have one advantage in terms of performance: they provide a constant supply of fresh outdoor air.

Mini-split units are unable to provide ventilation due to their system configuration, so it is important to verify that the existing ventilation system is sufficient after removing the previous AC unit. Ventilation systems are normally designed to be self-sufficient, but getting a professional opinion is recommended nevertheless; poor ventilation leads to various health issues.

Conclusion

Window-type, through-the wall and PTAC space cooling systems are among the least efficient, but still the most commonly used in multi-family buildings. Mini-split systems can reduce cooling expenses by 50% or more, while Con Edison incentives make them more affordable. However, like with any upgrade to building systems, an assessment from an engineering professional is recommended to achieve the best results. Even a high-efficiency space cooling system will perform poorly if it does not match the intended application. Ensuring that the new equipment is eligible for rebates is also important, so MEP engineering professionals should make this a priority.

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