HVAC Wicker Park Chicago2018-11-16T02:36:53+00:00

HVAC Wicker Park Chicago | Expert Power Efficient System Designs

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Don’t be fooled by the name NY Engineers is your best option if you need a Full Service Air Conditioning, Heating & Cooling (HVAC) Engineering Firm in Chicago Illinois. We are not only an HVAC Chicago but also a leading provider of Electrical Engineering Engineering services in or near Wicker Park Chicago. Call us at 312 767.6877

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In recent times Many people have been taking a look at the NY Engineers site in search of Fire Protection Engineering in Chicago. This is due primarily due to the following we have built in this types of projects. Nevertheless, many general contractors from Lombard to Worth, do not know that NY Engineers is also a top choice for anyone searching for HVAC Firm in Chicago, Illinois.

The search for power efficient buildings involves cost effective HVAC system design. This can include systems for HVAC, lighting, architectural enclosure, domestic water heating, and vertical transportation. The loads for the HVAC systems can 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 will be a purpose of either the devices needed in an attempt to introduce it in to a space and control contaminant concentration or the amount of people that may be in the room. In the vast majority of climates within the southwestern and eastern parts of the usa, to reduce outter air movement will save energy whenever the

outside air is either warm and humid or very cold.
Controlling the ventilation rate is going to be dependant on occupancy which is known as a variety of demand control ventilation. This can be a everyday sort of energy conservation tatic that is utilized for homes with irregular or crowded occupancy. Having cooling and heating loads reduced as low as possible can be carried out by using an increased performance building envelope, occupancy sensors, and performance lighting that apply daylight response of lighting controls.

Chicago HVAC Engineering services vs HVAC Techs

If you’ve ever considered the difference between a HVAC Technician versus HVAC Engineers, then read on:

Chicago HVAC engineers would be the individuals who supervise installing of air conditioning systems for both commercial and residential buildings. They spend plenty of their day in offices doing advanced level management and planning of installations however they do also see job sites every once in awhile.

In contrast, HVAC technicians in Chicago usually do a lot of hands-on work  that deals with repair and maintenance. A HVAC tech may assist an engineer to accomplish a number of the installation work, particularly for smaller jobs. On the whole HVAC technicians do much more travel and may spend a lot of time changing filters, identifying leaks, doing recharges or decommissioning old and outdated systems that utilize old refrigerants.

HVAC engineers may have the ability to make more decisions about systems that are used, and they also are the people who would offer advice about probably the most sensible refrigerants and which systems would be perfect for a bigger building. In the trade, there may be some challenge between ‘the suits’ and ‘the ones that will get their hands dirty’, but both jobs require a great understanding of how air conditioning works. Lately a lot of people have been checking out the NY Engineers website looking for HVAC Parts 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 Protection Engineering services. We ask that anybody looking for additional information about our Air Conditioning, Heating & Cooling (HVAC) Engineering Firm in Chicago Illinois takes a look at our blog…

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MEP Engineering in Upgrading Space Cooling Systems for Multifamily Buildings

Architectural Engineering Vs Architecture

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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