HVAC Lockport2018-11-22T23:25:20+00:00

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Don’t be fooled by the name New York Engineers is the top choice if you need a Full Service Heating & Air Conditioning (HVAC) Engineering Firm in Chicago Illinois. We’re not only an HVAC Contractor in or near Chicago but also a leading provider of Architectural Engineering Engineering services in or near Lockport. Call 312 767-6877

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As of late huge crowds have been browsing our website looking for Mechanical Engineering in or near the Chicago area. That is due because of the following we have develop in this types of projects. However, a lot of building managers from Lincolnshire to Park Ridge, do not know that New York Engineers is also a top choice for anyone in search of HVAC Companies in or near Chicago, IL.

The quest for cost effective buildings involves energy-efficient HVAC system design. This can include systems for HVAC, lighting, architectural enclosure, domestic water heating, and vertical transportation. The loads for that HVAC systems may 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 is a purpose of either the devices required in an attempt to introduce it right into a space and control contaminant concentration or the number of persons who will fill the space. In virtually all climates inside the eastern and southwestern parts of the usa, to minimize outside air movement can save energy whenever the outer air is either humid and warm or very cold.
Controlling the ventilation rate will likely be determined by occupancy which is referred to as a variety of demand control ventilation. This really is a everyday sort of energy conservation tatic that is used for buildings with irregular or crowded occupancy. Having heating and cooling loads dropped to a minimum can be accomplished by utilizing an increased performance building envelope, occupancy sensors, and performance lighting that apply daylight response of lighting controls.

Chicago HVAC Engineers versus HVAC Technicians

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

HVAC engineers will be the people who watch over setting up of air-con systems for both commercial and residential buildings. They spend lots of their day in offices doing advanced level management and preparation of installations nonetheless they do also see job sites every once in awhile.

But, HVAC technicians in Chicago usually do more of the hands-on work  that deals with maintenance and repair. A HVAC technician may work together with an engineer to do some of the installation task, specifically on smaller jobs. Generally speaking HVAC techs do a lot more travel and might spend time and effort changing filters, identifying leaks, doing recharges or getting rid of old and outdated systems that utilize old refrigerants.

HVAC engineers may have the ability to make more decisions about systems that are being used, and they are definitely the folks that would offer advice about by far the most sensible refrigerants and which systems would work best with a greater building. In the trade, there exists some competition between ‘the suits’ and ‘the ones which get their hands dirty’, but both jobs do require an effective expertise in how air conditioning does work. Lately many individuals have been getting to the New York Engineers site looking for things like HVAC Contractors Chicago. Nevertheless, the goal of our company is to be the top option for anyone seeking a HVAC Chicago and or any of our other services including Sprinkler Design Engineering services. We ask that anybody searching for additional details about our Heating Cooling Air Conditioning Furnace (HVAC) Engineering Firm in Chicago Illinois stops by at our blog.

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Construction Engineers Present Tips from the Passive House Institute US

MEP Consulting Engineers

The Passive House Institute US (PHIUS) is an organization that promotes passive building standards and best practices for construction engineers and others. They also offer certification programs for buildings and products, as well as professional certifications for architects and engineers. This article will provide an overview of some their main guidelines for passive house construction. It is important to note that, although the word “house” is used, these concepts apply for high-rise multifamily buildings and commercial facilities as well.

The PHIUS summarizes its building philosophy as “maximize your gains, minimize your losses”, focusing on achieving synergy between energy efficiency and comfort. The five main principles to consider for passive building are the following:

  1. High-performance insulation
  2. Airtight building envelope
  3. High-performance windows
  4. Using heat and moisture recovery to minimize HVAC expenses
  5. Managing solar heat gain, promoting it during the winter and reducing it during the summer

According to PHIUS, a passive building is around 5% to 10% more expensive than a conventional one, but this is compensated many times during the building lifetime through energy savings. In addition, passive buildings are more comfortable, since they eliminate two main issues affecting conventional buildings: air drafts and temperature fluctuation. In commercial settings, comfort can also lead to increase profits, by stimulating employees to be more productive.

1)   High-Performance Insulation

The main benefit of high-performance insulation is that space heating and cooling loads are reduced. As a result, HVAC systems can be sized smaller, compared with a building that uses the minimum insulation required by construction codes. A smaller HVAC system can be installed with less capital and also has a lower operating cost.

The PHIUS emphasizes the importance of avoiding thermal bridges, which are concentrated spots in the building envelope where insulation is deficient compared with the surroundings. Heat transfer tends to concentrate in thermal bridges, causing unwanted heat gain in the summer and heat loss in the winter.

Current building codes are limited when addressing thermal bridges, since their specifications are based on U-values for insulation and one-dimensional modeling of thermal envelopes. Thermal bridges are a complex three-dimensional phenomenon that can be addressed more effectively with the building modeling software utilized by knowledgeable construction engineers.

2) Airtightness

Air leaks can be just as detrimental as poor insulation when it comes to building envelope performance. Any air exchange between conditioned and unconditioned spaces causes heating and cooling equipment to work harder. Air leakage tends to be more common around windows, doors, plumbing fixtures and electrical fixtures.

In existing constructions, air leakage can be addressed effectively with caulking and weatherstripping. Both have the same purpose, which is blocking spaces where air leakage occurs. The main difference is that caulking is designed for fixed elements like plumbing and electrical fixtures, while weatherstripping is designed to tolerate friction in moving elements like doors and windows. However, caulking should be used for the external edges of door and window frames, which are not subject to relative motion. In new constructions, airtightness can be built into the envelope during the project construction phase.

3) High-Performance Windows

Significant heat transfer occurs through windows, even when the surrounding walls are well insulated. High-performance windows are one of those energy efficiency upgrades that can be deployed in existing constructions, but which is much more cost-effective in new buildings.

  • In an existing building, the upgrade cost is the full price of the window plus the associated labor cost.
  • In new constructions, there is a baseline window and labor cost that is unavoidable, and only the price premium of a high-performance window is considered for financial analysis.

The most energy-efficient windows in the market currently use a triple pane, inert gas to fill the two resulting spaces, a fiberglass frame and low-emissivity coating for the glass. Double pane windows apply the same concept, giving up on part of the energy efficiency to achieve a lower price. However, both triple-pane and double-pane windows are much more efficient than conventional models with single uncoated sheets of glass and metallic frames. A double-pane window is around 50% more efficient than a conventional one, while a triple-pane window provides an efficiency boost of 20-30% compared with a double-pane one.

4) Heat and Moisture Recovery

Since HVAC systems have the goal of controlling temperature and humidity, a higher efficiency can be achieved if the exhaust air is used to precondition the intake air. Heat-recovery ventilation (HRV) only exchanges heat between the supply and exhaust airstreams, while energy-recovery ventilation (ERV) exchanges heat and moisture. The operating principle is reversed for summer and winter conditions:

  • Outdoor air tends to be warmer and more humid during the summer. Therefore, the exhaust air can be used to remove some of its heat and moisture. This reduces the HVAC load and improves energy efficiency.
  • Outdoor air is cool and dry during the winter, so the exhaust air can be used to preheat and humidify it before reaching the HVAC system. This also achieves a load reduction.

5) Solar Heat Gain Optimization

Managing solar heat gain can be tricky. It is beneficial during the winter since it reduces the load on space heating systems; however, during the summer it increases cooling load and must, therefore, be minimized. Also, solar glare should be avoided regardless of the time of the year – it causes discomfort and distraction while having the potential to damage human vision.

Window shades are a simple and effective measure to control solar heat gain. The sun is higher in the sky during the summer, and shades block a larger portion of its radiation. The sun’s altitude drops as winter approaches, and more radiation enters the building, reducing space heating loads. In some locations in the northern hemisphere, is important to note that south-facing windows get the most sunshine throughout the year, and north-facing windows get the least. East-facing windows receive plenty of sunshine during the morning and west-facing windows during the afternoon. Windows should be arranged so that the sun itself is not in direct line-of-sight for occupants. Greater control is possible with optimal building orientation, window shades, and well-placed vegetation.

Construction Engineers Make These Final Recommendations

Developers interested in a passive building can achieve the best results by working with certified design professionals. For example, the Passive House Institute US has the Certified Passive House Consultant (CPHC) program. There are more than 1,300 CPHCs in the USA, and they have been extensively trained in energy modeling software and passive building while considering the variety of climate zones in the USA. The US Green Building Council also offers the LEED certification for construction engineers and other professionals, where many topics covered deal with energy-efficient construction.

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