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AC Filters

  • Cut Expenses and Boost Comfort

    Furnace Maintenance


    The cost of keeping one's cool is on the rise. Energy costs, at historic levels in 2015, continue to climb as worldwide need for energy increases and the country recovers from interruptions due to the downward price of oil.

    Heating, ventilation and air-conditioning (HEATING AND COOLING) manufacturers are reacting to the challenges of enhanced energy costs by providing homeowners air-conditioning units that render new energy performance standards and lower your energy use.

    Perhaps it’s time to consider a new, high efficiency air conditioner? Newer units use compressors which feature a two-stage design. When the air conditioning system senses the requirement for maximum cooling, the compressor instantly shifts into two-stage operation. And as the need for cooling decreases, the compressor instantly lowers to a single-stage operation, needing considerably less energy. In truth, this device is as much as 60 percent more effective than a conventional air-conditioning system.

    Here are some additional tips to keep heating and cooling costs in check:

    Examine your furnace filter on a monthly basis to ensure it is clean and devoid of debris, which could block air flow and create a strain on your system, triggering it to work harder and utilize more energy.

    It's recommended that you have a service technician inspect your hvac system annually to catch any issues that could turn into big problems.

    Seal any air leakages, such as those near doors and windows and places where plumbing, ducting or electrical circuitry goes through outside walls.

    These appear to be small simple things to do, but you would be surprised at how much they can reduce your energy expenditures over the entire year. Savings do add up.

  • Contributing Factors: Indoor Air Quality

    Indoor Air Pollution


    Indoor air quality (IAQ) is an important environmental factor to consider. Considering that we spend around ninety percent of our time inside, we have to do everything feasible to enhance the air we breathe. During the power crisis of the seventies, Canadians began to “tightly” close their workplaces and homes in order to save energy. Fast forward today, we often find larger, extended families falling under the same roof. In many cases, the adults are working with much less time to care for the home. Air flow as well as cleanliness play vital parts in maintaining good air quality; although, the indoor atmosphere is impacted by many contributing factors.

    There are many factors that can affect the quality of the interior air in your home. Tobacco smoke, radon, pet dander, mold, as well as cooking smells are some common contributors. Renovations and remodeling, new furniture, new carpet installation, freshly painted walls, air fresheners, or even caulking and adhesives - there are many sources of interior air pollution.  Not to be overlooked, think of all those products used for household cleaning. It’s important to read the labels on the items you bring into your home. When used, you and your family members will be exposed in the confines of your home.

    What this illustrates is that homeowners need take a look at the whole picture. Everyday items we purchase and bring into well-constructed homes, offset VOC’s (Volatile Organic Compounds),  (sometimes referred to as “off-gassing”).

    It is important that your home has adequate ventilation. Your HVAC system plays a vital role in this function.  A quality furnace or air conditioner filter (the same thing) goes a long way in filtrating out airborne particles, debris and smells. Regular maintenance, which includes examining and replacing the filter, when required, is key.

    Home should always be a place of comfort and enjoyment. So be aware of your indoor air quality and take steps to reduce or eliminate factors that could cause potential health issues. Your body will thank you!

  • Home Furnace Filters Size Chart

    Shop Best Furnace Filters & HVAC Filters ,CANADA - Unitedfilter

  • Why Should I Worry about Indoor Pollution?

    When you think of air pollution, you likely picture smog settling in above the world’s biggest cities. You may think of smoke stacks and dust churned about in streets from millions on their way to and from work, school and everything in between. What you likely will not think of when you hear the term “air pollution” is your own home.

    But the truth is, often indoor air is more polluted than outdoor air, major cities included. The Environmental Protection Agency (EPA) estimates that air in homes is generally 2 to 5 times more polluted than air outside. This is alarming, especially because the majority of people spend most of their times indoors, going from home to the office, school or store, then perhaps to a restaurant in the evening.

    Of course, if we're lucky, we get out of the house on a nice day. We go to the park or sip coffee on a patio if we can. However, those who likely have the most difficulty getting out of the house on a whim—the elderly, the very young or the chronically ill—are also those who are most likely to suffer most from consequences of indoor air pollution.

    So where does indoor pollution come from?

    • >> Burning gas, kerosene, incense, oil, wood, coal and cigarettes or other forms of tobacco
    • >> Cleaning and personal hygiene products
    • >> General moisture or things like wet carpets that contribute to mildew, bacteria and mold
    • >> Harmful building materials like asbestos, lead or formaldehyde
    • >> Inefficient or damaged HVAC systems
    • >> Contaminates that come in from outside including outdoor air pollution, radon and pesticides
    • >> Pet dander, insects and dust mites

    Burning fuel, for heating, releases carbon monoxide among other pollutants and the fire in your fireplace comes with its own set of contaminates. Cleaning products you use daily may contain harmful chemicals. For instance, the “air freshener” you use may actually be harming your air rather than cleaning it. Pollution from the outside, including car exhaust from your garage, creeps in through open doors and window or vents.

    How indoor air pollutants will affect you

    Different pollutants will affect your body in different ways and will harm some more than others. At the most basic level, indoor pollutants will cause symptoms that most who suffer from allergies know well: watery eyes, coughing and sneezing and shortness of breath. Over time, minor problems with allergies may turn into major ones when people are repeatedly exposed to the same contaminants over time.

    They may also inspire fever, problems with digestion, and dizziness. Indoor air pollution can cause allergic reactions or spread airborne illnesses like chicken pox or influenza. People who have breathing problems like asthma will be even more susceptible to the effects of indoor air pollutants. Each pollutant contains its own list of side effects, some that can be as severe as death when contaminates like carbon monoxide become highly concentrated within a home.

    What you can do to cut down on indoor air pollution

    • >> Choose to use personal hygiene and cleaning products that do not introduce harmful toxins into your home.
    • >> If you live in an older house, make sure your home is free of asbestos and lead paint, especially when remodeling.
    • >> Do not use pesticides indoors.
    • >> Watch for moisture in areas like your basement. Make sure you don’t leave carpets, curtains or towels wet.
    • >> Choose an air filter with an appropriate MERV rating and change it regularly.
    • >> Smoke outdoors instead of inside your home.
    • >> Check that gas-powered heaters are functioning correctly and make sure their flame is blue.
    • >> Clean your chimney annually.
    • >> Use a HEPA filter in your vacuum cleaner. Replace your air filters & ac filters regularly.
    • >> Grill outside—not inside your garage or home.
    • >> Don’t close your garage door when your car is still running.

    Arming yourself with the knowledge about where indoor air pollution comes from and how you can fight it is the first step in making your indoor air healthier.

  • What Happens When You Forget to Change Your Filter

    So you know you’re supposed to change your air filter regularly, generally every three months or even more frequently. But, life happens and often changing filters is something that we store in the back of our minds as we think about day-to-day life—work, kids and our social lives—and we might just forget.

    So what’s the danger in this? How will forgetting to change your air filter affect you, your family and anyone else who enters your home?

    Problem #1: You’ll experience a poorer quality of air in your home.

    Air filters & AC filters works to trap harmful particles like mold, pet dander and bacteria that would otherwise pollute the air in your home. If a filter isn’t changed in due time, it will simply run out of room to collect more of these contaminants.


    When something is spilled you grab a paper towel and cover the spill. After the first paper towel becomes too saturated to absorb anymore, you throw it away and grab and second one to continue cleaning up the spill. That second paper towel is necessary to keeping your home clean in the same way a new filter is.

    Problem #2 : Your HVAC system will work less efficiently, or not at all.

    In short, when you forget to change your air filter, contaminants like pollen and dust clog the filter and keep it from doing its job—cleaning the air that circulates throughout your home. And preventing your filter from doing the work it was deigned to do, not only keeps your HVAC system from doing the same, but also may harm it. and adds up to indoor air pollution which very harmful.

    Your HVAC system is powered by a fan motor that will have to work harder and harder to push air through a clogged filter. This additional pressure may cause the fan motor to overheat or even break entirely. Replacing a broken HVAC system will cost you—but so will letting an HVAC system run with a dirty filter. More work for the fan motor translates to higher charges on your electric bill. Additionally, a dirty evaporative (cooling) coil can dramatically reduce your airconditioners performance.

    Problem #3: You’ll inadvertently make your home dirtier.

    If your air filter becomes too clogged, the dust and dirt particles that it won’t be able to trap will simply recirculate throughout your home. This means dirt will collect quickly on surfaces within your house. Chances are, if you notice you’re dusting more frequently, it’s time to change your filter. No one wants to live in a dirty home, and cleaning more is certainly a pain, but it’s important to remember that the worst part of having more dirt in your home comes from breathing in that dirt. Failing to change your filter means living in an environment that will negatively affect your family’s health—especially if they have allergies, weak immune systems or other medical conditions.

    Furthermore, failing to change your filter can be negative for the environment as a whole. Remember, how clogged filters make your HVAC system work harder? As they expend more energy, your carbon footprint increases.

    Though changing your air filter may be an easy task to forget, it’s one that is important for your family’s health. You want to make sure the air they breathe is clean, especially if they suffer from allergies or conditions like asthma. If you need help remembering to change your air filter, try setting an alarm on your phone or marking your digital or paper calendar. Or you might align changing your filter with other important events on your calendar. Find one chore that you do every 3 months or more frequently depending on your needs, and plan to change your filter at the same time. If you’re noticing more dust in your home, or having more trouble with allergies than usual, you can take the hint that perhaps it’s time. When in doubt, just take your air filter out and see how dirty it looks. Changing your filter may be hard to remember, but the good news is, it’s a quick and easy way to improve your quality of life.

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