HVAC Justice2018-11-11T12:59:48+00:00

HVAC Justice | Expert Energy Efficient System Designs

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Don’t be confused by the name NY Engineers is your best bet if you are looking for Full Service Heating & Air Conditioning (HVAC) Engineering Firm in Chicago Illinois. We’re not only an HVAC Firm in or near Chicago but also a leading provider of MEP Engineering Engineering services throughout Justice. Call us at (+1) 312 767.6877

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Recently Many individuals have been browsing the New York Engineers website looking for Construction Engineering in or near Chicago. This is due because of the following we have built in this types of projects. With that said, a lot of building owners from Hickory Hills to Park Ridge, IL, are not aware that NY-Engineers.Com is also a top contender for anyone searching for HVAC Chicago

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 your HVAC systems should come primarily from five different sources including lighting (cooling), the construction envelope (cooling and heating), ventilation (cooling and heating), equipment for program use (cooling) and occupancy (cooling).
The ventilation load will certainly be a function of either the instruments required in order to introduce it into a space and control contaminant concentration or the number of people that will be in the room. In nearly all climates inside the southwestern and eastern areas of the united states, to reduce outter air-flow helps you to save energy whenever the exterior air is either humid and warm or very cold.
Governing the ventilation rate will probably be based on occupancy which is called a form of demand control ventilation. It is a everyday sort of energy conservation plan which is used for homes with occasional or crowded occupancy. Having heating and cooling loads reduced to a minimum can be achieved by making use of a high performance building envelope, occupancy sensors, and performance lighting that employs daylight response of lighting controls.

Chicago HVAC Engineering services vs HVAC Technicians

If you’ve ever thought about the difference between a HVAC Technician vs HVAC Technicians, then read on:

HVAC engineers would be the individuals who oversee the installation of air cooling systems both for residential and commercial buildings. They spend lots of their time in offices doing advanced level organization and preparation of installations however they do also visit job sites every now and then.

On the other hand, HVAC technicians usually do a lot of hands-on work  that deals with repair and maintenance. A HVAC technician may deal with an engineer to perform a few of the installation work, particularly for smaller jobs. On the whole HVAC technicians do considerably more travel and might spend time and effort changing filters, identifying leaks, doing recharges or decommissioning old and outdated systems which use old refrigerants.

HVAC engineers might have a chance to make more decisions about systems that are being used, and they will be the people that would offer assistance with by far the most sensible refrigerants and which systems would work best with a greater building. In the industry, there may be some challenge between ‘the suits’ and ‘the ones which get their hands dirty’, but both jobs do require a great expertise in how air-con works. Lately huge crowds have been crawling the NY Engineers site searching for HVAC Chicago Repair. Nevertheless, the goal of our organization is to be the top option for anyone seeking a HVAC Firm in Chicago and or any of our other services including Sprinkler System 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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Indoor Air Quality: 7 Pollutants Architectural Engineers Want you to Watch Out For

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When property owners are considering upgrades for their HVAC systems, plenty of attention is given to energy savings. However, providing healthy conditions for occupants is also very important to architectural engineers and other engineering professionals. There is a common misconception that indoor air quality costs extra energy, but you can achieve both efficiency and air quality with the right design choices.

Although there are many types of air pollutants, the US Environmental Protection Agency gives special attention to seven: carbon monoxide, lead, nitrogen dioxide, ozone, coarse particulate matter, fine particulate matter and sulfur dioxide. This article will provide a brief overview of each pollutant, focusing on their main sources and effects.

Architectural Engineers Want you to be On Alert for These 7 Pollutants

All the pollutants described in this article are actively monitored by the US EPA, but this only applies for outdoor air. If you are a property owner, you are responsible for keeping indoor pollutant levels under control, but there should be no major issues of your ventilation systems and combustion appliances are designed properly.

Carbon Monoxide

Carbon monoxide (CO) is a combustion product, and it should not be confused with carbon dioxide (CO2), which is much less dangerous. While CO2 only becomes lethal for humans at concentrations close to 100,000 ppm (10%), CO causes instant loss of consciousness and death within minutes at only 10,000 ppm (1%), and any concentration above 1,000 ppm (0.1%) is lethal in just a few hours. What makes carbon monoxide so dangerous is its lack of color, smell or taste, making it impossible for humans to detect. However, at low concentrations it produces less severe reactions like headache and nausea, so you must react fast if several people experience these symptoms at once.

Thankfully, CO monitors are affordable. Also consider that combustion is the main source, so you can minimize the risk of exposure by making sure all combustion appliances are properly vented. The Occupational Safety and Health Administration (OSHA) limits CO exposure to 35 ppm for a typical 8-hour workday.

Lead

Lead (Pb) is an extremely harmful substance for humans, affecting several major organs in the human body, and causing developmental issues for children. Architectural engineers must remain mindful of lead and its ill effects. Its main sources in urban settings are paint and gasoline, but stringent legislation has been effective in reducing its levels. However, waste incineration, mining, and battery manufacturing are still significant sources of lead pollution.

Nitrogen Dioxide

Nitrogen dioxide (NO2) is a combustion product characterized by its pungent odor and reddish coloration. It main effect is respiratory system irritation, and long-term exposure can lead to asthma, or worsen its symptoms in individuals already suffering from the condition.

Motor vehicles are among the main sources of NO2 in urban settings, so make sure that enclosed parking areas have adequate ventilation to minimize exposure. Another simple measure to keep this gas out of indoor spaces is closing the windows during high traffic. The US EPA monitors outdoor air quality for mayor cities and provides live data in their site, where you can check the condition of outdoor air before opening the windows.

Other than vehicles, backup generators are the main source of NO2 in building interiors, hence the importance of adequate flue design.

Ozone

Ozone is beneficial for humans when located high above in the atmosphere, since it helps block harmful radiation from outer space. However, the story is different when ozone is found at ground level, where it has negative health effects. Exposure to ozone causes severe irritation of the respiratory system, with symptoms such as chest pain, shortness of breath, coughing and inflammation. Patients with asthma or bronchitis can experience a worsening of their symptoms upon exposure to ozone.

Be especially careful when selecting air filters: some models use ionization to capture and remove pollutants from indoor air, but also create and release ozone in the process. In other words, they replace one harmful substance with another, so other options are preferable.

Coarse and Fine Particulate Matter

Particulate matter (PM) is a broad term that describes suspended particles and droplets, which have a series of negative health effects. For example, smoke and soot are both considered PM.

Coarse particulate matter is that with a maximum diameter of 10 microns (PM10), while fine particulate matter has a diameter below 2.5 microns (PM2.5). Both types can be inhaled by humans, bringing respiratory and cardiovascular health issues, but fine particulate matter is the most harmful due to its small diameter.

Particulate matter can be generated directly, often as a product of fuel combustion or waste incineration, but it can also form from chemical reactions involving other pollutants – ozone, sulfur dioxide and nitrogen dioxide have all be identified as PM precursors.

Sulfur Dioxide

Sulfur dioxide (SO2) is a pungent and colorless gas, capable of damaging the human respiratory system in a short time upon exposure. It is a combustion product like carbon monoxide, so the best way prevent exposure is by ensuring that combustion appliances are properly designed, vented and maintained. Since motor vehicles are a main source of SO2 in urban settings, the measures used prevent NO2 exposure also apply here.

Bonus: Volatile Organic Compounds

Although the US EPA does not monitor them actively, volatile organic compounds (VOCs) are among the main indoor air pollutants. These compounds are found in several cleaning products, cosmetics and construction materials, causing respiratory irritation with short-term exposure and more severe health conditions with prolonged exposure. Some VOCs are also generated as combustion products. Monitoring individual VOC concentrations is impractical because there are thousands of them, so their total concentration is generally measured.

VOC concentrations can be kept low by avoiding synthetic fragrances and using natural cleaning products while ensuring your combustion appliances are well vented, say architectural engineers. According to NASA, indoor plants are also effective for controlling VOCs – many plant species are capable of metabolizing them, while releasing oxygen.

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