Posts Tagged ‘Indoor Air Quality’

Pickering HVAC Tip: Seasonal Air Quality Control

Monday, April 23rd, 2012

For people who suffer from seasonal allergies in Pickering, air quality is a key concern. Allergens in the air cause brutal bouts of sneezing, runny nose, itchy eyes and even sinus headaches. Even taking refuge indoors will often not assuage these symptoms, as indoor air is often comparable to outdoor air in terms of allergens and overall quality.

That is, unless you take care to control the seasonal air quality in your home, which can not only help ease the suffering of allergies, but also soothe asthmatics, keep out pollutants and generally promote better overall health.

How do you go about controlling the air quality in your home? To start, try these simple tips:

  1. Vacuum carpets regularly. Use a vacuum with a HEPA filter and invest in some allergen suppressing bags.
  2. Keep your vents clean. This is also a good maintenance practice to lengthen the life of your ventilation equipment.
  3. Dust hard surfaces and wash bed linens weekly.
  4. Install HEPA filters in your ventilation system, such as in air conditioners or other air handler units. Use a higher rated filter to keep out more allergens and pollutants.
  5. Invest in and use an air purifier. Again, make sure to get one with a HEPA filter.
  6. Have your home tested for radon and carbon monoxide. Have smoke, carbon monoxide and radon detectors working properly at all times.
  7. Use a humidifier to keep overly dry air from irritating sinus passages.
  8. Keep doors and windows closed tight, especially during allergy season(s).

By taking charge of the air quality in your home, you also take control of a measure of your family’s health. Some of these measures require at least a bit of an investment – for example, higher rated HEPA air filters are often more expensive and need to be changed more frequently – but the benefits to your well being and that of your family are clearly well worth it.

For more information about how to improve the air in your home, talk to your Pickering indoor air quality experts at Advantage Airtech today!

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Heat Recovery Ventilator – What Is It and When Do You Need It in Uxbridge?

Monday, December 19th, 2011

While the design of modern homes is to retain as much energy as possible while minimizing the cost of heating and cooling, that very design can have a negative impact on your Uxbridge home’s indoor air quality. Because air cannot pass freely between indoor and outdoor environments, you are stuck breathing the same air day after day.

Luckily, there are options that will exchange the heat in your indoor air to the outdoor air as it enters your home. In effect, you can retain all of the heat your home produces each day before it leaves the house. It works equally well in the summer to retain the cooled air your air conditioning units produce.

How Heat Recovery Works

Heat recovery ventilators come in many forms, including simple ventilation, heat exchange, or air exchanging. There are even some indoor heat pumps that will carefully draw heat from the air as it’s removed from your home and recirculate it through your air ducts.

The idea is the same no matter how the system is installed. As air leaves your home through a ventilator, a counter-flow heat exchanger transfers energy between the air leaving and entering your home. So, instead of warm air leaving and cold air entering, the air coming into your home takes the heat from the air leaving your home. Air comes and goes, but heat stays inside.

In the summer, the same system works in reverse to remove heat from the air coming into your home and keep it outside. The one thing to keep in mind with a heat recovery ventilator is that it doesn’t retain the humidity in your home as an energy recovery ventilator would. If you live in an area with very high or very low humidity during summer or winter, an ERV may be a better solution for your needs.

Air Quality Benefits

The goal of a good heat recovery ventilator is not just to retain the heated or cooled air in your home. It is also to ensure you have clean, fresh air to breathe each day. Most people don’t realize, but when you don’t circulate your air and your home is sealed up with enhanced weather-stripping and high quality insulation, unwanted contaminants begin to build up. A heat recovery ventilator makes sure you not only get fresh air, but that it’s properly filtered and the heat or cooling your comfort system produces is retained. No money is lost, energy is saved, and your family stays comfortable and healthy – everyone wins.

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How Do I Reduce Dust in My Home? A Question From Durham

Wednesday, September 28th, 2011

Dust is everywhere in your Durham home. There is no way to stop it from occurring, so instead we turn to cleaning and filtration to keep the amount of dust circulating through the air to a minimum. Luckily, there are quite a few things you can do, even without installing new equipment, to reduce your dust levels.

Duct Cleaning

First on the list is regular duct cleaning. You dust your furniture and your floors, so why not clean out your ductwork? Properly cleaned ductwork is very important because of just how much stuff can build up in there over time. Imagine regular air flow in an enclosed space that never gets cleaned. How much dust and debris do you think could build up over the course of a year? Hint: it’s enough to keep a steady flow of dust in your indoor air.

Professional duct cleaning is important and should be done once every year or two depending on how often you use your home comfort system. However, you should also clean in and around the vents and ducts in your home where you can reach. This can be done weekly and will help immensely to reduce dust.

Filtration

Most air filters equipped with high quality HEPA filters work extremely well to remove dust from the air. Because HEPA filters can capture particles as small as 0.3 microns, they won’t just remove dust, but pollen, pet dander and even mold. Mold especially is a problem that occurs in far greater frequency in homes without filtration.

Simple air filtration is an affordable solution to a lot of different contaminants, so it’s a good fit for any home. However, there are more powerful systems as well that will reduce both dust and pathogens like bacteria – these purifiers use ionization to draw particles from the air electronically.

Humidity

Humidity imbalance can cause dust problems as well. Low humidity leads to more dead skin and dust in the house, while high humidity causes the development of dust mites. Properly regulating your humidity to slightly less than 50% will create a perfect environment in which less dust is created and circulated in your home.

The best way to reduce dust is to take a three pronged approach to indoor air quality. Cleanliness is always first on the list, but after that don’t neglect the value of filtration and proper humidity control. When used properly, these three things will ensure dust never bothers you again.

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IAQ – Ultra Violet Lighting: A Tip From Uxbridge

Friday, September 23rd, 2011

With a state of the art home comfort system in place, complimented by a high tech indoor air cleaner, you may think you’re set to take on climate and contaminant related challenges to the air quality in your Uxbridge home. But you’re probably missing one thing, and that’s the ability to remove living contaminants like bacteria and viruses from your indoor air.

Unlike non-living particulate indoor air contaminants, bacteria and viruses are not easily caught by indoor air filters or ionizers. They often slip through and continue to circulate again and again through your home, greatly increasing the likelihood that you and your family will get sick. They also tend to reproduce, so the longer you go without eliminating these germs, the more of them there will be.

Killing those Germs for Good

Fortunately there is a technological solution to this indoor air quality problem. The inclusion of ultra violet lights into your air purification system not only specifically targets bacteria and viruses; it helps to slow the spread of disease when someone in your home gets sick.

UV germicidal lights are extremely effective at removing all types of living contaminants from your indoor air. Unlike HEPA filters and air ionizers, UV germicidal lights don’t try to remove these contaminants by trapping them. Instead, they kill them outright, making sure that the germs can’t stick around to reproduce or work their way free of the containment system.

Installation and Maintenance

For most indoor air contaminants, you want to have someone test your air first. However, with bacteria and viruses, you can rest assured that they are always in the air around you. It often only takes a smaller number of pathogens to make someone ill.

Most UV germicidal lights are easy to integrate into your existing indoor air cleaning system. They are usually installed just past the filters so they can catch the germs without other indoor air contaminants getting in the way. And best of all, UV germicidal lights require very little attention or maintenance.

Simply put them in place and let them do their work. You should schedule a routine maintenance visit every so often to make sure that no part of your indoor air cleaning system needs to be repaired or replaced. But other than that, installing UV germicidal lights in your home allows you to relax and enjoy a completely contaminant free living environment.

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What is Ductwork and How Do You Maintain It? A Question From Durham

Monday, September 19th, 2011

Most first time Durham homeowners are aware of the importance of their heating and cooling systems. They keep you comfortable throughout the year, pumping heated and cooled air into every nook and cranny of your home. However, there is another system in your home that actually makes it possible for those other two systems to work. And while they are incredibly simple, your ducts must be carefully maintained year after year to avoid heat and cooling loss.

How Ducting Works

Ducts are installed throughout your home to deliver conditioned air from your air handler. The air is pumped into the ducts and directed by your thermostat system to where it is currently needed. Vents are opened or closed to release that heat or cooling and the house is properly tempered. Ductwork is usually made of sheet metal, though some flexible ducting is made with a combination of plastic, thinner metals and fiberglass.

Ideally, ductwork is crafted in such a way that it is air tight and able to deliver large volumes of air to any room of your home for decades to come. However, whether because of improper installation or extreme conditions, sometimes those ducts can come loose or gaps will form. When this happens, maintenance and repair are needed.

How to Maintain Your Ducts

To maintain ductwork, you must first have it cleaned once a year. Sometimes, this may be necessary more frequently depending on how often you use your home comfort system and how big your home is. Effective duct cleaning will remove any excess debris and dust and kill mold that has started to grow. High humidity can be controlled with a dehumidifier in your air handler and is highly recommended for all ductwork systems.

Additionally, you should have your ducts checked for leaks and gaps periodically. This will reduce the chance that your ductwork starts to leak anything out of the house or between rooms. Such leaks cost you money and put undue stress on your HVAC system. Overall, a good ductwork system is one that you never have to think about. Regular maintenance makes that possible.

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Essential Components of a Home Comfort System in Toronto

Wednesday, August 24th, 2011

Indoor comfort is defined by several factors: temperature, humidity, and air quality. If any one of the three is out of the “normal” range it can affect the quality of life for in your Toronto home.

The ultimate goal of any heating & cooling contractor is to ensure that customers are comfortable – meaning that all three factors are addressed when servicing, replacing, or installing new equipment in a home. This equipment includes furnaces and air conditioners but also extends to humidifiers, dehumidifiers, electronic filters, ultraviolet (UV) lighting, infrared heating, etc.

Obviously, the essential component for most U.S. households is a furnace. Air conditioners may not be essential for all parts of the U.S., namely the northern states, but are still considered an integral part of any home comfort system. Add-ons like de-humidifiers and electronic filters are important for controlling the air quality.

Let’s look at the furnace first. There are several choices but most can be found in two different classifications: single-stage or variable speed two-stage. Your choice depends on the indoor square footage, your own comfort needs, and possibly the cost of energy units (gas or electric for example). Forced air is a common method of moving heated air to all parts of the home via an air handling unit and through a duct system. But gaining in popularity is radiant heat (electric), which does not utilize a duct system.

Air conditioners also come in a variety of sizes, including window/room air conditioners or central air conditioning, which is likely a “split” system including an outdoor unit and indoor coil. The size of the air conditioner is determined by square footage, which is part of a load calculation performed by qualified heating & cooling contractors while planning the equipment replacement or new installation. An oversized air conditioner may produce high humidity levels and an undersized unit may not provide enough cooling to all areas of the home. High humidity levels contribute to higher indoor temperatures in the summer, and can also lead to respiratory problems.

If someone in your home has allergies or is sensitive to certain pollutants in the air, it may be important to include extra filtration in your heating & cooling system, such as electronic filtration and UV lighting mounted in the buildings duct system, to kill germs and contaminants.

And speaking of an essential component, duct systems are keys to maximizing efficiency and comfort. Properly sized, insulated, and sealed, the duct system is a key to comfortable, healthy indoor air – and energy efficiency. It is also important to keep your duct system clean, too.

As always, it is best to consult with a qualified and licensed heating and cooling contractor who can offer the best solutions for your home comfort system.

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Staying Safe with Clean Indoor Air: A Warning from Stouffville

Monday, August 22nd, 2011

Millions of homeowners are living in polluted air and don’t even know it. In fact, the quality of air inside homes is a significant factor influencing the health and wellbeing of millions annually. The World Health Organization estimates that 1.6 million people die every year as a result of poor indoor air quality. That makes it the 8th most common risk factor for death in the world and a huge contributor to cancers and other respiratory health problems.

So why is indoor air quality such an issue? Consider for a moment what a home does. At its core, a home is designed to keep you and your family protected from outside threats. It does that with solid walls, tightly sealed windows and a well-built roof over your heads. But the same technology that has made homes better sealed than ever also contributes to safety and health problems for residents of those homes by trapping air pollutants inside.

What’s at Stake?

The most common indoor air pollutants are mere irritants. Things like pollen, dust and dander are uncomfortable but don’t necessarily make anyone deathly ill. However, when a home is sealed up too tightly and the air isn’t filtered and cleaned regularly, the result can be downright dangerous to the occupants. Those seemingly innocuous pollutants suddenly make up a much larger percentage of the air inside.

In some cases, according to the WHO, the amount of smoke and other particles inside the home can be up to 100 times higher than what is considered safe outside. Now consider the other pollutants that can be inside the house. If pollen and dander cannot get out, what about exhaust from your stove, radon gas in your basement or mold spores in your ductwork.

You’re breathing all of it and the result is a significant increase in health risks for diseases like pneumonia, respiratory disease, and asthma – all of which are highly dangerous to anyone, but especially children and the elderly.

Solutions Abound

Luckily, this is not a problem you must deal with indefinitely. Modern HVAC systems integrate advanced ventilation technology, air filtration and air cleaning systems to remove the vast majority of these pollutants. But, first, you need to have them installed. Proper testing can help you determine what aspects of your home’s air supply need to be fixed first and foremost. From there it’s just a matter of finding the right contractor.

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Air Conditioners and Humidity: A Tip From Blackstock

Wednesday, August 17th, 2011

Ever wonder why all of those air conditioners hanging out of people’s windows are constantly dripping water on hot summer days in Blackstock? All they’re actually doing is disposing of the moisture they’ve removed from the indoor air. That’s right – air conditioners are dehumidifiers too.

When you think about it, it makes a lot of sense. After all, you know how much more uncomfortable 90° is when the humidity’s up around 90% than when it’s closer to 60%. Of course, some air conditioners are better at removing moisture from the air than others, so you should definitely consider how well an air conditioner dehumidifies when evaluating your air conditioning options.

Why Humidity Matters

High humidity, even at lower temperatures is uncomfortable. But there are more reasons than simple comfort to want an air conditioner that reduces indoor humidity levels. For instance, high levels of humidity promote the growth and spread of several allergens like dust mites and mold spores. High indoor humidity can also cause problems for the wood fixtures and furnishings in your home.

The Importance of Proper Sizing

Most air conditioners do a decent job of controlling humidity indoors. But depending on the severity of your problem and the typical levels of humidity in your area during the summer months, you may want to pay special attention to each unit’s capabilities when evaluating your options.

An air conditioner’s ability to maintain proper humidity levels indoors has a lot to do with how well it’s matched to the size of your room as well. An air conditioner that’s too small likely won’t get the humidity or the temperature down to a comfortable level. On the other hand, that doesn’t necessarily mean that bigger is better.

In fact, an air conditioner that’s too large for the space you’re using it to cool will have a hard time bringing down the humidity level. Sure, you’ll wind up with a cold room, but that room will remain damp, making it no more comfortable than it was before the air conditioner was turned on.

For all of these reasons, it’s important to carefully evaluate your options when buying an air conditioner and make sure that the unit you buy is the right kind and size for the area you’re cooling. A little extra time spent researching your options will make your home infinitely more comfortable this summer.

If you have more questions about how to maintain your indoor air quality, contact your local HVAC professionals.

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How to Improve Your Indoor Air Quality

Friday, June 24th, 2011

When we think of air pollution we often think of outdoor “smog”, but the air in your home or office may also be polluted, even if it looks clean. Sources of indoor pollution include

  • Mold
  • Pollen
  • Cigarette smoke
  • Household cleaners
  • Household décor and furnishings (like rugs and paint)
  • Household pesticides (like rodent or ant-killers, or plant sprays)
  • Radon
  • Carbon monoxide
  • Building materials (like asbestos and lead)

Indoor air quality is of particular concern in newer, better-insulated homes, or in older homes that have been recently weatherized. The “tightness” of modern houses means that any pollutants that get into the home stay there – and perhaps even increase in concentration over time if the source of the pollution is inside the house.

Indoor air quality problems can cause discomfort and even serious disease, especially in children. The good news, though, is that there are many effective ways to improve indoor air quality.

There are three basic strategies for improving indoor air quality:

  • Air purification. Air cleaners range from small tabletop models to full-house models that are part of the central heating and cooling system. Small air purifiers are typically not very useful, but central air filters can be very effective at removing airborne contaminants. If your heating and cooling system does not include central air filtration, you should consider an upgrade to a new system.

    It is important to note that air purification will not remove gases like carbon monoxide or radon from your home. Gas pollution must be remedied by professionals.

  • Ventilation. Many forced-air heating and cooling systems do not bring outdoor air into the home. Kitchen and bathroom exhaust fans and attic ventilation fans (when weather permits) can be very important in promoting the circulation of air. Also, opening windows is very important, especially when doing short-term activities such as painting that increase the number of pollutants in the air.

    You should also consider upgrading to one of the newer central heating and cooling systems that bring outdoor air into the home.

  • Source control. This is the most important indoor air quality strategy, and in many cases, the simplest one. Source control is definitely the most cost-effective strategy for improving indoor air quality, because purification and ventilation both require a constant use of energy.

    Switch to all-natural household cleaners, buy household furnishings made of natural fibers (instead of synthetic fibers that can “off-gas” volatile organic compounds). When painting, use VOC-free paint. Quit smoking, if you haven’t already.

    In some cases, source control must be done by a certified contractor. Asbestos should be sealed or enclosed (asbestos is not a hazard unless it is disturbed, at which point it can release a dangerous dust). Radon gas should be mitigated whenever possible by sealing cracks in the foundation where the gas enters, or by filtering the water supply if water is the source. Gas stoves can be adjusted to decrease the amount of emissions. Lead paint can be scraped off or covered with modern, lead-free paint (this is not a DIY job and requires EPA training).

    And, don’t forget to install a carbon monoxide detector in your home, ideally next to the sleeping areas.

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