HVAC Loyola Chicago2018-12-01T07:10:08+00:00

HVAC Loyola Chicago | Expert Power Efficient System Designs

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Don’t be fooled by the name NY-Engineers.Com is your best option if you are searching for Full Service Heating & Air Conditioning (HVAC) Engineering Firm in Chicago Illinois. We’re not only an HVAC Company in Chicago but also a leading provider of Protection Engineering services throughout Loyola Chicago. Contact us at 312 767-6877

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Lately huge crowds have been browsing our site searching for Value Engineering near the Chicago area. This is due because of the following we have develop in this kind of work. However, a lot of builders from Glencoe to Oakbrook Terrace, are not aware that NY-Engineers.Com is also a top contender for anyone searching for HVAC Firm in Chicago, IL

The pursuit of cost effective buildings involves cost effective HVAC system design. This may include systems for HVAC, lighting, architectural enclosure, domestic water heating, and vertical transportation. The loads for the HVAC systems should come primarily from 5 different bases 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 purpose of either the machines necessary to be able to introduce it into a space and control contaminant concentration or the quantity of folks which will be in the area. In the majority of climates from the southwestern and eastern regions of the US, to lower outter air-flow can save energy whenever the exterior air is either warm and humid or very cold.
Manipulating the ventilation rate will probably be determined by occupancy which is called a variety of demand control ventilation. It is a everyday sort of energy conservation tatic that is used for rooms with intermittent or dense occupancy. Having heating and cooling loads dropped as low as possible can be carried out by making use of a high performance building envelope, occupancy sensors, and high performance lighting that uses daylight response of lighting controls.

Chicago HVAC Engineers versus HVAC Techs

When you’ve ever thought about the difference between a HVAC Engineers versus HVAC Technicians, then continue reading:

HVAC engineers will be the individuals who oversee setting up of air conditioning systems for both commercial and residential buildings. They spend plenty of their time in offices doing more impressive range organization and preparation of installations however they do also stop by job sites every once in awhile.

In contrast, HVAC technicians in Chicago tend to do more of the hands-on work  that deals with repair and maintenance. A HVAC technician may work together with an engineer to do a few of the installation work, especially on smaller jobs. Generally speaking HVAC techs do far more travel and could spend a lot of time changing filters, identifying leaks, doing recharges or decommissioning old and outdated systems which use old refrigerants.

HVAC engineers could possibly have a chance to make more decisions about systems that are used, and they are the individuals who would offer assistance with by far the most sensible refrigerants and which systems would work best with a larger building. In the industry, there is some rivalry between ‘the suits’ and ‘the ones that will get their hands dirty’, but the two jobs require a great expertise in how air conditioner is proven to work. Nowadays a lot of Internet users have been visiting our sites searching for things like HVAC Chicago Illinois. However, the focus of our company is to be the to go to company for those searching for a HVAC Chicago and or any of our other services including Mechanical Engineering Engineering services. Furthermore anybody searching for additional info about our Heating & Air Conditioning (HVAC) Engineering Firm in Chicago Illinois visits at our blog.

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MEP Engineering in Upgrading Space Cooling Systems for Multifamily Buildings

MEP Engineering Denver

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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