WHAT'S REQUIRED FOR PAINLESS EMERGENCY PLUMBER SYSTEMS

What's Required For Painless Emergency plumber Systems

What's Required For Painless Emergency plumber Systems

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Here Is Simple HVAC Advice Not Found Elsewhere Online




If you have ever found yourself sweating on a hot, summer day because your air conditioner konked out, or spent a night shivering due to a furnace failure, you know how important HVAC contractors can be. But, you may not know how to hire the best professionals to serve your needs. Continue reading for a wealth of useful advice.

Although most people are thinking of their heating systems during the winter months, air conditioning is also important. When installing a new furnace or heating system, make sure the air ducts are also set up to work with your air condition system. Using the ducts for both heating and cooling is the most economical choice.

If you must hire someone to help you out with your HVAC system, be sure to learn about all of the requirements your state has legislated regarding licencing and insurance. You need to be able to ask anyone you plan to hire if they meet these requirements before you hire them.

Ask for references and be sure to call them as well. You are dealing with a high ticket item here, so you'll want to do your due diligence to make sure you are getting the best for your money. Ask for references, but don't stop there. Call each reference to check. A lot of people don't take that important last step.

When your contractor comes to fix your unit or install a new one, he should walk around your home and investigate what's going on with your current set-up. They should be looking for how much insulation you have, where your windows are and what quality they are and more.

As you compare new HVAC system, be sure to look at the energy ratings for each unit. The higher they are, the better they will be. Efficiency will not only get your home comfortable faster, but it will save you on your energy bills when you are running your new unit.

If you have oil ports as part of the fan condenser, annual lubrication is key. These are usually covered with rubber or metal caps. Use a lightweight, detergent-free SAE 20 oil, putting 10 drops in each port.

Consider how long a given HVAC company has been in existence before giving them your business. Companies that have been around for longer have a proven track record that you can use to decide if they are worth the time and money. Hiring a new company will be riskier.

Change your filter on a regular basis. This is one of the easiest HVAC tips that you can do yourself. It is also one of the least expensive things that you can do to ensure that your system is running efficiently. Clogged and dirty filters can make your unit work 5-10% harder.

If you are uncertain about which HVAC contractor to call when you experience an equipment failure, take the time to ask friends and family for personal recommendations. By doing this, you will be able to feel more confident about the choice you make, because you will have gotten the opinions of people you already know to be trustworthy.

To keep your home feeling comfortable it is very important that your HVAC system is working the right way. The tips and information from above hopefully have showed you what it needed to make the HVAC last Emergency Plumbing a very long time. Remember what you learned here, and use it to ensure you have a home that has a comfortable living space.

Can the AC filter in your home, office or local mall protect you from Covid-19?


When New York Governor Andrew Cuomo announced last week that malls in New York could not reopen until they installed high-efficiency particulate air filters capable of trapping the virus that causes Covid-19, Harvard environmental health researcher Joseph Gardner Allen was thrilled.



"I've been writing consistently since early February about how healthy buildings should be the first line of defense against the novel coronavirus," said Allen, who directs the Healthy Buildings program at the Harvard T.H. Chan School of Public Health.



"I'm really grateful that we have a leader in the country -- somewhere -- who was finally talking about healthy buildings, ventilation and filtration," Allen said. "That hasn't happened before. It just hasn't happened."



A push to action



Allen was one of 239 scientists who wrote an open letter to the World Health Organization, the US Centers for Disease Control and Prevention and other health agencies, asking for a change in their guidance to the public on how the novel coronavirus, or SARS-CoV-2, can spread.



Current guidance only focuses on "hand washing, maintaining social distancing, and droplet precautions," according to the letter, published Monday in the journal Clinical Infectious Diseases.



The health agencies are ignoring the tiny droplets of virus that sputter and spray from our mouths, become aerosolized and then float away into the air, the scientists said, as a likely means of transmission.



"They don't want to talk about airborne transmission because that is going to make people afraid," co-author Donald Milton, a professor of environmental health at the University of Maryland, told CNN in a prior interview.



"The best vaccine against fear is knowledge and empowering people to take care of themselves," Milton said. "Why wearing a mask is important is because it blocks the aerosols at their source, when it is easy to block them."



MERV ratings



In his edict to New York mall owners, Cuomo was talking about HEPA filters, which have the highest MERV ratings, between 17 and 20.



What's MERV? It stands for "minimum efficiency reporting value," and it's how filters are rated in their ability to trap tiny particles. The MERV ratings go from one to 20: Filters with higher MERV ratings are more effective than filters with lower ratings.



At the highest end, HEPA filters are used by hospitals to create sterile rooms for surgeries and to control infectious diseases, and are able to remove 99.97% of dust, pollen, mold, bacteria and other airborne particles with a size as small as 0.3 microns. For comparison, Covid-19 is thought to be between 0.06 to 1.4 microns.



"Filters are rated at their worst performance, so 99.97% is the worst it will do," Allen said. "And that's rated for a particle size of 0.3 microns, but smaller and larger it actually does better. So the point is that it's capturing nearly all particles."



Unfortunately, most businesses and home owners may find it difficult to retrofit their existing system to accommodate a HEPA filter, or any filter higher than the rating recommended by the system's manufacturer.



Doing so can actually impair the system's performance: Smaller pores in HEPA air filters make it more difficult for it to push air. Using denser filters can affect the efficiency of the unit and strain the fan, while decreasing indoor air quality -- the opposite of what you desire.



"HEPA filtration is not always going to be feasible or practical," Allen said. "But there are other filters that can do the job. What is recommended now by the standard setting body for HVAC is a MERV 13 filter."



High-efficiency filters in the 13-to-16 MERV range are often used in hospitals, nursing homes, research labs and other places where filtration is important.






https://docs.google.com/presentation/d/1lsY92_nmCH1u72gjMYI4ZChOCJLeKAXLe9ieG5qDeR4/edit?usp=sharing

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