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air filtration
19, Apr 2019
Residential vs. Commercial Air Filtration (HEPA and UV filters)
Presently, many are considering the air quality of their surrounding with the growing concern about climate change and pollution and its effect on human health. People are getting informed about the importance of their indoor air. Healthier indoor air quality not only refers to the air quality at home but also to all indoor spaces, like public and commercial buildings. As a business owner or an employee, you want your home as well as your office to be an area of fresh air. So, it is important to know that the air purifiers for indoor air quality solutions are for both residential and commercial buildings. Now, it is time to think about commercial air filtration systems as a priority.

Difference between Residential and Commercial Air Filtration

There are several differences between residential and commercial air filters in terms of size, capacity, and type which impact the air filtration of the building differently.

Filter Size

Commercial spaces are larger than residential establishments. Due to their size, commercial buildings need more air filtration by larger air filters and more system filters than residential buildings to filter all of this air.


Commercial buildings require air filters with a higher MERV rating than residential buildings for improved indoor air quality. This is because commercial buildings have more occupants than residential buildings, and the former is typically located in industrial areas that experience air pollution of a higher volume. Buildings, offices, and commercial spaces need HVAC systems that can accommodate higher-rated filters like HEPA filters.

Disposable vs. Washable

In residential buildings, both disposable and washable air filters can be used. But commercial buildings get better served by disposable air filters. Washable filters have a low MERV rating and can get molded when installed because they take time to get fully dry after a wash. Commercial buildings need the replacement of air filters more frequently than residential ones. So, disposable air filters are the better choice.

HEPA and UV filters

HEPA, or high-efficiency particulate air filter, is a type of pleated mechanical air filter that can theoretically remove at least 99.97% trapped dust particles of any size with higher efficiency. On the other hand, UV air filters or purifiers use UV light technology to capture air and pass it through a filter. The air then gets exposed to UV-C light. However, a UV air filter does not effectively remove volatile organic compounds (VOCs) from the air.

HEPA vs. UV air filters

Air filtration is important for maintaining a healthy home or commercial environment. HEPA and UV filters are two of the most commonly used air filtration system on the market today, and they are designed to remove dust, pollen, pet dander, and other airborne contaminants from the air. While both HEPA and UV filters or air purifiers are effective at trapping and removing airborne particles, there are some key differences between the two that make them better suited for certain environments.
HEPA filters are high-efficiency particulate air filters that trap and remove up to 99.97% of particles that are 0.3 microns or larger. This includes dust, pollen, and pet dander, as well as smoke and other toxins. HEPA filters are most commonly used as residential air filters, as they are highly effective at removing a wide range of particles from the air. UV filters, on the other hand, are designed to kill or inactivate bacteria, viruses, and other microorganisms that are present in the air. UV filters use ultraviolet light to break down the DNA of microorganisms, which prevents them from replicating and eliminates them from the air. UV filters are most commonly used in commercial air filtration. UV light is specifically designed to target and kill airborne pathogens, making them particularly effective in areas where there is a risk of infection or disease.
When it comes to energy efficiency, HEPA filters are often the more energy-efficient option. HEPA filters use mechanical filters to capture and remove particles from the air, which requires less energy than UV lights. In addition, HEPA filters can be washed and reused, making them an economical and eco-friendly option. UV filters, on the other hand, require a lot of energy to run. This is because the UV lights need to be constantly on to be effective. However, the energy used to operate UV filters is typically offset by the fact that they don’t need to be replaced as often as HEPA filters.
When it comes to cost, HEPA filters tend to be the more affordable option. This is because they are relatively easy to manufacture and are highly efficient at trapping and removing particles from the air. UV filters, on the other hand, tend to be more expensive due to the cost of the UV lights and the energy needed to run them.
Overall, both HEPA and UV filters are effective at removing particles and microorganisms from the air. However, the type of filter that is best suited for your home or commercial environment depends on your specific needs. HEPA filters are generally more energy efficient and cost-effective, making them the better option for residential air filtration. UV filters, on the other hand, are more effective at killing and inactivating airborne pathogens, making them the better option for commercial air filtration.


In conclusion, HEPA and UV filters are two of the most commonly used air filtration systems or air purifiers on the market today, and they are both effective at removing particles and microorganisms from the air. However, they each have their own strengths and weaknesses, and the type of filter that is best suited for your environment depends on your specific needs. No matter which type of air filtration system you choose, it’s important to maintain it and change the filters regularly to ensure that it continues to effectively remove particles and microorganisms from the air. Doing so will help create a healthier environment for everyone in your home or business.
19, Apr 2019
Why Plumbing should be Left up to the Professionals
Homeowners may be led to believe, as a result of the proliferation of “how to” videos available on social media platforms, that it is possible for them to save money by forgoing the services of a qualified expert. In point of fact, plumbing repairs are not the kind of thing that should be done as a Do It Yourself job; they should instead be delegated to experts in the industry who have received extensive training in the relevant techniques.

Damage That Is Getting Worse

If you try to fix something that you have no prior experience with, you run the risk of making the problem much worse than it was before you began. A seemingly insignificant problem with a pipe may quickly lead to floods, the destruction of valuable materials, and further strain on the system that is already under stress. Hiring a professional to do maintenance and repairs for you may save you money in the long run, especially if you don’t know what you’re doing when it comes to DIY projects.

The Plumbing Codes

There are plumbing rules that must be followed in order to protect the residents’ health and the integrity of their pipe systems. The pipes in a house’s plumbing system that carry clean water into the home and unclean water out of the home have a significant impact on the residents’ overall health. When you make an effort to remedy plumbing problems on your own, you run the risk of breaking one or more plumbing regulations. Because of this, there is a potential risk to public health and safety, as well as potential penalties from the city for breaking such rules.

Gas Leak

A gas leak is the first problem that requires the attention of a licensed technician. Around 40 fatalities per year are attributed to fires caused by natural gas leaks, as reported by the National Fire Protection Agency (NFPA) in 2018. Cooktops, electric fireplaces, water heaters, and dryers all make use of gas lines. These gasses are typically harmless, but a sulfur smell is added to them before they are sent to your home. The extreme flammability of these gasses makes it critical that no lights be turned on, no engines be started, and no flames be bought anywhere near them. Open all windows, switch off the gas meter if it is safe to do so, and contact the gas company immediately if you suspect a gas leak. The experts at your gas company will be able to repair the leak without endangering your household in the process.

Unattainable Pipe Repairs

To conclude, homeowners should never try to fix a plumbing issue that is connected to pipes that are out of reach, such as those that are underground or within a wall. It is illegal to dig without a city-issued digging permit in many regions and may result in a hefty punishment if you try to repair broken pipes underground. The homeowner also runs the danger of damaging or cutting into electricity or natural gas lines that are buried underneath. A plumber is familiar with subsurface risks, can get the necessary permits, and will use safe excavation practices.
Problems with internal leakage are similar to those with hidden pipelines. Getting to the pipes within the walls requires cutting through the walls, which exposes the electrical wiring. Once the issue has been resolved, the wall may be reassembled. A plumber can access the wall with little disruption, fix the leak expertly, and organize the re-drywalling of the damaged area.
Doing your first plumbing job on your own is a huge step forward and a fantastic learning experience. However, you may come to realize that you shouldn’t have attempted the task in the first place if you lack the necessary resources or expertise. Repairing a gas leak, installing a water heater, or cleaning up a sewage system are all examples of potentially deadly DIY tasks.
Attempting to fix an inaccessible pipe or install a sump pump might cause costly damage to your house or perhaps get you in legal hot water with the local authorities. In these five situations, it’s best to avoid the DIY temptation and instead contact a professional for your own good and financial savings.
mep mechanical electrical plumbing

Competence Acquired Through Training

The expertise and experience that a plumber has is significantly superior to that of the typical homeowner since it was gained via years of on-the-job experience. Additionally, plumbers are able to go into a project with the capability of problem solving for precisely what demands may occur while working to solve an issue. When it comes to plumbing works, professionals have access to a far wider variety of equipment and supplies than do homeowners who try to do the work themselves. This gives them a significant advantage over do-it-yourself plumbing projects.
‍Because there are so many ways in which plumbing repairs that you do yourself may go wrong, and so very few ways in which they will go correctly, it is preferable to forgo the concept entirely because there are so many ways in which they can go wrong. Instead, you should look at hiring a professional who has spent a significant amount of time improving their positions.

There is no access to tools or equipment

There is no such thing as a one-size-fits-all solution in the world of plumbing. Plumbers have the necessary tools and knowledge to do the work correctly. You don’t want to risk squandering money or damage valuable equipment by attempting to do it yourself. Plumbers employ specialized equipment that are not available at regular home improvement shops. These specialist instruments might also be somewhat costly.
If you decide to take the chance and invest in some high-quality plumbing gear, you’ll need a thorough grasp of how everything works. You’d also need to know what safety measures to take to prevent home mishaps when utilizing these items. It would take time to acquire all of this knowledge and information.
steel structures
2, Mar 2018
Structural Steel Services from The Engineering Design
The Engineering Design provides a wide range of services involving structural steel, all of which are managed by Tekla X-Steel professionals with more than a decade’s worth of expertise in the business between them. The following services are included in this offering:
Extraction of data from the Bill of Materials using advanced technology: In order to bring any project to life, you will need to compile a detailed inventory of the components and materials that are necessary, along with the amounts of each item. By using sophisticated BOM software, the project may be dissected all the way down to the level of its individual components, which makes it possible to ascertain precisely what resources would be required. This not only provides you with the most accurate information about the costs, but it also allows you the greatest amount of control over any additional items that you may wish to acquire (extra bolts to account for ones which may get lost, for example).
Construction blueprints for a variety of mining facilities: Because of the inherent risks of working in subterranean environments, it is imperative that all mining equipment and structures adhere to high safety standards. In turn, the shop drawings of such buildings need exactitude to the nth degree in order to guarantee that the prefab components and system installations provided by a third party are up to the appropriate standards. When you use our fabrication drawing service, high-level industry professionals will use the most accurate software that is currently available. This will ensure that the data that you use to plan will be as exact as possible.
Offering a comprehensive range of different shop drawing services: Everything from stair railings and sheet metal to roof trusses and rebar is included in the scope of our design and planning services. As is the case with all of our other services, the accuracy of our drawings is precise down to the component level, and they may be provided in either a two-dimensional or three-dimensional format (depending on the nature of your needs).
The Engineering Design is able to fulfill all of your structural steel needs and set you on the path to a productive and fruitful project, regardless of what those requirements may be. Get in touch with us about our structural steel services so that we can discuss the many ways in which we may be of assistance to you.

Professionalism in both leadership and management

Your structural steel project will be finished to the highest industry standards if our seasoned leaders and project managers are in charge of it. They bring a wealth of experience to the table. Our expertise will work with you through each stage of the process, beginning with meticulous cooperation and continuing with quality production and installation, in order to achieve the best possible results.

Framing and fabrication using metal studs

The Structural Steel section of PEC provides a diverse selection of solutions for interior or exterior build-outs that are customized to meet the requirements of each individual application. Our steel services include the whole spectrum of structural and non-structural fabrication and installation, ranging from cold-formed to light gauge framing and everything in between.
civil and structural engineer

Design Services Offered in Their Entirety

Our in-house drafters, detailers, ensure that the design and manufacturing process is carried out without a hitch.

Engineering with steel has enabled humanity to actually reach for the stars, making steel one of the most essential materials that humans have made. The time it took to construct a big building was drastically reduced from decades to years when mass steel fabrication became feasible in the late 19th and early 20th centuries.

However, planning a building to make the most of steel’s capabilities is not a simple task. Many people mistakenly classify the design of a steel structure as belonging to the field of architecture.

The fundamentals of structural drafting are universal and can be applied to the design of any building, but an engineer familiar with the special properties of steel is required to fully take advantage of the advanced capability of steel structures, especially in the modern era with the advent of stronger and lighter steel alloys.


In order to accurately depict the strength and properties of a steel structure in a blueprint, the engineer must have a thorough familiarity of that steel’s alloy. A greater volume of steel may be needed for a lighter weight steel, yet the mass may still be reduced. It is unlikely that the engineer and draftsperson will be able to create their ideal design for the building without knowing the steel’s structural capacity.
The use of steel necessitates the use of engineering drawing in the design of the construction. To recognize steel’s intrinsic qualities and then to devise an engineering strategy that maximizes structural capacity while reducing volume and mass attributes is the work of a true engineer.