Tuesday, April 28, 2009
Dryer Vents
mind. Check with your insurance agent because I know here in BC Canada if a fire is traced back
to your dryer and you are still using a plastic flex hose for exhaust your insurance will not cover your loses. The code now is an aluminum flex hose which runs under $20 and can be picked up at any hardware store. With the plastic flex hose the condensation was building up inside them,
trapping the lint and causing build ups inside the hose. This would cause the dryers to over heat resulting in dryer fires or element burn outs. When you are choosing a new aluminum flex hose please make sure that the one you choose is the bendable type. You do not want the rigid types because there is no give at all in them. If you try to bend them too much they will break.
Do not use duct tape to attach the hoses. We are dealing with heat, which will dry the glue on the
duct tape.Make sure you use a foil tape which is made for heat.
You should look at having your dryer vent cleaned every other year if it is less then 25 feet in
length, any thing longer should be cleaned every year and you might want to look at having this
re-plumbed to a shorter distance. Typically a dryer vent starts to clog up at the furthest point
away from the dryer. The last 4 - 6 feet is usually the problem but in longer systems the dryers
just don't have the power to blow the lint to the end so it starts building up way before the end
of the system. I have seen vents so long that dryer lint wasn't the problem. Water was! Because
it was so long the dryer couldn't even get rid of the condensation inside the pipe and it just kept
building up. If you’re dryer vent is this long (more then 40 feet) then seriously think of
re-plumbing it. Your Power-Vac company can take care of this chore for you.
An absolute no-no with dryer vents is to not put a screen on the vent outside your home. It
takes no time at all for these screens to clog up and then you've got problems with drying.
Another issue is birds. They love to nest inside dryer vents. Make sure you have a flap on yours
at the very least. Pest guards are available at any hardware store and this is what I would
suggest using. No blockage and peace of mind knowing no birds can get into your vent.
How will you know you need to clean out your dryer vent? If you are constantly replacing
heating elements, if a load of wash is taking more then one drying cycle to dry or if you see a lot
of lint on your roof or sidewalk underneath your vent then you should start thinking about
having it cleaned out.
Sunday, April 26, 2009
FILTERS
Flat paneled filters are generally the filters installed by the manufacturers and backed up by the service/cleaning specialists. There are a few more out there you'll have to watch for. Any flat faced filter that when you hold it up to the light and can clearly see through is not a filter that will protect your furnace very well. They are disposable and should be changed every 3 months although they won't look very dirty after this time period. They cost the manufacturers pennies and as far as protecting your furnace, they don't. They remove between 6% - 12 % of the dust and allergens in your heating system.You will hear all sorts of reasons as to why you should run these filters. The final word is yours but I hope I can convince you NOT to run these types of filters. They are not in your best interest at all.
Now I would like to talk about the disposable Pleated filter (MY FAVE).These filters remove 70% - 99% of dust and allergens. These filters again should be changed every 3 months and they will be dirty. No worries at all about restricting air flow in the system (using the low end pleated filters) although servicemen will try to tell you different. As homeowners these types of filters are our best defense against dust and allergens. Pleated filters come in an array of choices from charcoal backing to wire mesh backings. The secret to Pleated filters to stay at the low end of the price scale. The 70-80% Pleated filters will cost around $14 - $20 and you can sometimes find a 2 for 1 sale. As far as brand names go. Filtrette and 3M are amongst the best. Where we must be careful with filters is when we start to run the high end filters. The filters that remove 90% and more of dust and allergens. Here we have to be aware of the fact that these types of filters MAY restrict air flow to our furnaces. If you want to run these types of filters there are a couple of inexpensive changes you must make. In these circumstances the best thing to do is to E-mail me and I can direct individual cases appropriately. If you have been running a poor quality filter until now and you are going to up grade to a pleated style filter please remember this. When, in three months, you go to change the pleated filter it is more then likely going to be extremely dirty. If you had your furnace and ducts cleaned before the installation of the filter this doesn’t mean that the cleaners didn’t do a good job. The filter is removing 70% - 80% of the dust and allergens in the air now. It is recycling the air in the home and this is why it will be so dirty. After the second filter you should notice fewer allergies in the home and cleaner filters come change time.
HEPA filters are regarded as the best form of air filtration devices available today. HEPA stands for High-Efficiency Particulate Arrestance. According to U.S. Military Standard MIL-STD-282, HEPA filters are defined as air-cleaning devices that have a proven minimum removal efficiency of 99.97% of particles in the air equal to 0.3 um (microns) in diameter with higher efficiency for both larger and smaller particle sizes. The reason 0.3 microns is used in the definition is because it’s the particle size in which all mechanical filters are LEAST efficient in capturing and removing from the air. A micron is a measure of length: 1 micron equals 1 millionth of a meter. A particle size of 10 microns or less is not visible to the naked eye.
Undesirable contaminants that the HEPA filter will help block include; smoke, mold, hair, dust, dirt, pet dander, bacteria, viruses and fungi. Please note that “HEPA-Type” filters may look like a certified HEPA filter however their performance may not match that of a true HEPA filter. No filter, including a true HEPA filter, can trap 100% of all contaminants. However, in terms of efficiency and performance, HEPA filters are the highest performing air filtration devices currently available. Two additional features of HEPA filters that add to their value is that unless the air entering the filter is humidified, bacteria and viruses that are trapped in the filter will dry out and die. The second feature is that the filter becomes more efficient over time because as the filter gets filled with trapped particles, it becomes more difficult for matter to pass through the filter. Depending on use and level of contaminate exposure, HEPA filters, like a regular filter need to be changed based on the manufacturer’s recommendation.
Now that we have discussed disposable filters let us turn our attention to the permanent filter. These types of filters are appealing because they can be cleaned and then put right back into the furnace. They should be cleaned every 3 months and again they will be dirty. My advice on permanent filters; if a permanent filter is what you really want, then don’t go cheap. In my experience the old adage, you get what you pay for applies here. I have seen customers fork out $150 for a permanent filter that only removes 50% of dust and allergens from their system. Why pay that much when for less then $20 you can pick up a disposable that will remove 80%. When looking into permanent filters you should be ready and willing to pay $250 or more for a filter. Most filters at this price will come with a life time warranty (the furnaces life time not yours) meaning it will be the last filter you buy for your furnace and will remove 90% and more of the dust and allergens. On average these filters should pay for themselves in about 2 - 3 years. If you are going to run a permanent filter I suggest having a pleated filter to replace it during cleaning and drying time (never put a wet filter back into your system).
Understanding MERV Ratings
MERV ratings are used to rate the ability of a furnace filter to remove dust from the air as it passes through the filter. MERV is a standard used to measure the overall efficiency of a filter. Higher MERV ratings mean fewer dust particles and other airborne contaminants pass through the filter.
MERV ratings range from 1 - 16 and measurements are in microns. Some of the common particles related to MERV ratings are pet dander, insecticide dust, smog, dust, viruses, wood, tobacco smoke, spores, bacteria and pollen.
Some of the most common filters found in residential use only have a Merv rating of 1 to 4. These are typically disposable panel type filters and do not do a good job of filtering the air because they will not stop particles smaller than 10 microns.
Merv 5 to 8 rated filters are a better choice and are more commonly found in commercial applications. These filters will collect particles as small as 3 microns and are a good choice for home owners also.
Filters with a Merv rating of 9 to 12 are used in commercial and industrial applications and will stop particles in the 1 to 3 micron range. These filters are a great choice for home owners who want the best dust control possible. When using filters with Merv 9 ratings and above it is important to clean or replace them when recommended by the manufacturer because they will have a negative effect on air flow when they become dirty. This can lead to performance problems and decreased operating efficiency.
The most efficient filters have Merv ratings of 13 to 16 and will stop particles as small as .3 microns. These filters are used in hospitals and other super clean environments.
The type of filter you decide to run in your system will depend on a few factors. If there are people in the house suffering allergy symptoms, if your system has continually been breaking down, if it seems you have to dust every other day. There are so many different types of filters to choose from. It will be hard for me to give individual advice on your specific wants and needs but I will try to help you out in here the best I can. If I don't answer your questions I hope you will take the time to email me any questions you may have about your heating system.
Wednesday, April 22, 2009
We Have Rats!
word of mouth
Sunday, April 12, 2009
Indoor Air Quality Awareness
Saturday, April 11, 2009
Are you mad enough yet?
Thursday, April 9, 2009
JJS Comment Policy
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Many thanks to Teli Adlam
Wednesday, April 8, 2009
Prisoners to our Environments
Case in point,yesterday I was out on a call. A very nice home, retired couple, trying to deal with an allergic reaction problem in their home ( IAQ ).The contractor of the sub division they live in has gone to all lengths to help resolve their problem. The couple had nothing bad to say about him.
Their home is a ranch style on a crawl space. The heating system was 95% properly sealed. Their complaint is allergens in their system. First thing I noticed entering their crawl space was the amount of dust in it. It had never been cleaned. They had brought in heating specialists who are trying to convince that what they need is a HEPA-FILTER (top notch filtration system) and a HRV (heat recovery ventilation system). I have no problem with either of these two solutions however in my opinion that's not where they should start. They are talking thousands of dollars to install these two items into their system when i fully believe that they should 1st look at spending a couple hundred dollars on my ideas to see if they rectify the problem. Retired couple,nice home, they gotta have lots of money.RIGHT???
They already run a very effecient filter in their furnace. The problem is the amounts of dust in their crawl space. Spend a couple hundred dollars to get it cleaned out, finish sealing the 5% of the system that wasn't sealed 1st hand and BOBS YOUR UNCLE!
If I'm wrong and I don't think I am then they can go ahead and spend the thousands to up grade the system.
Friday, April 3, 2009
INDOOR AIR Quality ( IAQ )
Indoor Air Quality?Is this something you should be worried about?IAQ is for real.Do you or a family member suffer from itchy eyes,running noses or ahems in the throat?These are all IAQ related.In the late 90's a hotel in Philadelphia,PA was contaminated with Legionaires Desease which was directly linked to the heating duct work(IAQ)killing over 100 people.This was an extreme case but it happened all the same.It's known as Sick Building Syndrome.The biggest problem with IAQ is Sensitivity.
What Is Multiple Chemical Sensitivity?Multiple chemical sensitivity (MCS) is the name given by some to a condition in which various symptoms reportedly appear after a person has been exposed to any of a wide range of chemicals. The exposure may occur as a major event, such as a chemical spill, or from long-term contact with low-levels of chemicals, such as in an office with poor ventilation. As a result of exposure, people with MCS develop sensitivity and have reactions to the chemicals even at levels most people can tolerate.
MCS is rampant in our children and our elderly from over exposure to poor ventilation in our homes,poor IAQ.My EBook deals with the solutions to this.
I was at an IAQ seminar in Vancouver BC and the fellow running it talked about how his son,who was an all around athlete,is now on a puffer.This ,he said was a direct result of poor IAQ in his home and his son was now sensitive to dust and allergens.He went to say how much he wished that he had known what he knows today years ago.You now have the opportunity to learn this before it's too late for the children in your lives.
Clean air is essential for good health, and this is especially true when it comes to indoor air.
As Canadians, we spend close to 90% of our time inside; at home, at work and in recreational environments. Most people, however, are unaware of the effects that poor indoor air quality can have on their health.
All of us have the ability to control the quality of our own indoor air.
Wednesday, April 1, 2009
I am a 47 yr old HVAC cleaner from Vancouver Island British Columbia Canada.I have been in this trade for 6+yrs and have learned tons of valuable information over these yrs.I have helped thousands of customers here at home save the same type of money I am now trying to save you.My book deals with everything from Cleaning to Servicing to Maintaining residential furnace and ducts.
http://www.JJSDREAMPRODUCTS.synthasite.com is my web site.Have a looksee when you get a chance and let me know what you think.
Indoor Air Quality
IAQ Problems
