Uncovered Ideas About Level-Headed Methods For plumbing heating and cooling


Ample Ideas For HVAC Around The Nation




When HVAC is something you want to learn about, you're going to need some solid advice on the subject. It's not hard to learn about if you're able to get the right kind of information. That's what this article will provide you with, so when you're ready you should read along.

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.

Before you hire anyone to do any work on your HVAC, be sure to get a written estimate which has itemized costs listed on it. This will ensure that comparing one contractor to another will be simple as you can see what one offers that another doesn't, or what price they're charging for the same items.

Clean the coils and blades in your condenser at the beginning of summer. Be safe and turn off the power supply before working on your HVAC unit. Additionally, remove leaves and any other debris from the outside condenser unit.

If you are looking to save money with your HVAC system, consider turning down the air conditioner in the summer and turning the heat down in the winter. Putting on a sweater on a cold day can save you a ton of money on your utility bill, as can enjoying a cold drink instead of heavy air conditioning use.

You should have your HVAC system inspected at least once, but preferably twice, per year. Make sure the person takes a look at the motor and examines the levels of freon. These few simple things will help your system to run at its peak performance.

The correct HVAC system should have sealed air ducts to minimize heating or cooling loss as air travels to different rooms. The heating or cooling requirements of different rooms in the home should be taken into consideration. There is no reason to increase energy usage by controlling the temperature in rooms that are used very little.

If your evaporator coil, found inside your home, becomes dirty, your unit will lose efficiency. Just pop off the front panel of the furnace and check to see that the coil is dry. Using a brush attachment on a vacuum, gently clean the coil of any dust or other debris.

If you are a homeowner, or if you can get permission from your landlord, install double-paned windows in place of any single panes in your home. Double-pane windows keep inside air click here cooler, allowing you to reduce AC usage in the summertime. They help in the winter, too, keeping the heat in.

Make sure things don't get too hot or cold where your thermostat is. Any electronics or heat sources like lamps or televisions nearby can trick the thermostat into thinking the home is warmer than it actually is. This just means it runs your air conditioning longer than necessary, wasting energy and money.

After reading the above article, you should now know that your HVAC system should be properly maintained. If you let it go, you will only end up with major problems in the future. The last thing you want is to come home one day and realize you have no air coming through your vents. To prevent this from happening, study the tips that you just read to ensure the HVAC in your home lasts a very long time.

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.





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