What Is SEER? A Question From Washington DC

August 24th, 2011

If you’ve been looking at air conditioners in Washington, you’ve probably noticed that they all seem to have a SEER rating. But what does this actually mean?

The SEER, which stands for Seasonal Energy Efficiency Ratio, is a measure of how energy efficient a particular air conditioning model is. So when you’re shopping around for the best deal on an air conditioner for your home, this is something you’ll absolutely want to pay attention to.

Interpreting SEER Ratings

The SEER rating system is relatively simple – the higher the SEER, the more energy efficient the product. But because a higher price tag typically comes with a higher SEER rating, it’s important to know just how much more efficient a higher rated unit will be. It helps you decide whether paying significantly more for a higher rated unit is worth it in long term savings. Will it actually save you enough each month to make up for the difference in price?

Evaluating Your Energy Usage

A big factor here is how much you will use your air conditioner. If you live in a place with very hot and humid summers where the air conditioning runs constantly, you’re probably best off with the highest SEER you can find. When you consume that much energy to keep your home cool, you want to get as much as possible out of it, and that’s what a high SEER model can do for you.

On the other hand, if you live in an area that doesn’t have the harshest summers, you may be better off with a slightly less efficient (and therefore cheaper) model. Keep in mind, too, that the actual percentage increase in energy efficiency goes up by smaller and smaller increments the higher in SEER ratings you get. For instance, while a 10 SEER unit may be almost 20% more efficient than an 8 SEER model, a 12 SEER is only about 10% more efficient than that 10 SEER.

Finding the Right Balance

The best way to decide what SEER rating is best for you is to determine the annual cooling costs with your current unit and then calculate your savings in dollars based on the percentage each model would improve your efficiency. If you don’t currently have an air conditioner, this can be a bit tricky, but a professional contractor or air conditioning salesman can help you estimate your total monthly cooling costs with the various units.

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Cleaning Air Conditioners in Washington DC

August 17th, 2011

One of the best things you can do to help maintain high indoor air quality in your Washington DC home is to clean your air conditioning system on a regular basis. While these systems make it possible to endured a long, hot summer with minimal discomfort, they can also become a breeding ground for bacteria, mold and other indoor air contaminants that can make you sick or cause other types of problems.

Improving your indoor air quality isn’t the only reason you should worry about keeping your air conditioning system clean. A properly maintained air conditioner will function more efficiently for a longer period of time.

Air Filters

Changing or cleaning out your air filters regularly is one of the easiest and most important parts of air conditioner maintenance. These air filters are your number one line of defense against all manner of indoor air pollutants, but if they become saturated, they can no longer do their job. Fortunately, changing out these filters is a quick and easy job. Just mark the date on your calendar so you don’t forget.

Ducts

Without the system of air ducts that run through your home, your air conditioner wouldn’t be able to circulate all that cool air. But they’re also a very attractive place for dust, pollen, mold and other indoor air contaminants to collect. Unfortunately, the majority of your ductwork occupies space behind walls, beneath floors and in other equally inaccessible areas of your home.

For that reason, it’s generally necessary to have a professional with specialized equipment come out and clean your ducts once a year. By keeping up with maintenance, you can be sure that your air ducts aren’t harboring dangerous contaminants that your air conditioning system can then spread throughout your home.

Cooling Coils

The cooling coil is another part of your air conditioning system that needs to be cleaned on a regular basis. If your cooling coil is dirty, it won’t actually affect your indoor air quality, but it will impede your air conditioner’s ability to function effectively. The more sediment and debris allowed to build up on your air conditioner’s cooling coil, the less efficiently it will cool the air that passes over it. And if it can’t cool the air properly, your air conditioner will have to work overtime to maintain a comfortable temperature inside your home.

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Breakdowns – How to Handle an Overloaded AC in Washington DC

August 10th, 2011

The last thing you need on a hot summer day in Washington is for your air conditioner to suddenly cut out. Without the cooling power it provides, your house will get uncomfortable quickly. Fortunately, once you know why this happens, there are several things you can do about it.

Why Air Conditioners Cut Out

The most common reason for air conditioner failure is an overabundance of pressure in the unit. This happens because the coil gets too hot, causing the pressure to rise in the entire device. As the pressure rises past a certain point, an automatic safety shutoff system is engaged. If you can stop the coil from heating up to this point, you can keep your air conditioner running.

How to Keep Them Running

Of course, this is easier said than done. Since your condenser unit with the coil inside is located outside in the heat, it’s only natural for it to get hot during the day – especially an extra hot day when you’re using your air conditioner a lot. You also need to be careful not to put anything over or up against your outdoor condenser unit.

While this may block the sunlight, it will also keep heat in the system and prevent the air conditioner from removing exhaust naturally. So in order to keep your air conditioner as cool as possible, make sure there is nothing up against the vents or impeding air flow in any way. Once you’ve done this, try and find a way to provide shade for you air conditioner without placing objects near the device. Blocking out direct sunlight is the best way to keep your air conditioner cool as long as you can do it without interfering with the system’s natural air flow.

Getting it Back On

If your unit does cut out on you, don’t despair. The best thing to do is to wait about a half hour to give your unit a chance to cool off on its own. Then, spray the coil and other overheated areas with a fine mist of cool water. This should lower the temperature enough that the system can come back on without any further complications.

If the problem persists despite the work you’ve done to keep it cool, you may want to call in a professional to take a look and make sure nothing is broken or worn inside to cause the overloads. Most of the time a little maintenance will take care of the problem, but if not, you’ll want to get repairs done quickly to avoid a full breakdown.

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Is it Cost Effective to Use a Ceiling Fan and AC at the Same Time? A Question From Washington

August 3rd, 2011

There are a lot of ways to keep your Washington DC house cool in the summer, and chances are you’ve incorporated more than one of them into your home already. For instance, ceiling fans are great and can really keep you comfortable in moderately hot weather. But when the heat and humidity really start to pick up during the dog days of August, you need something a little more powerful to take the edge off, and that’s usually some type of air conditioner.

One or the Other?

If you’re like most people, you switch off your ceiling fan when the AC comes on. After all, the air conditioner is powerful enough to cool the house on its own. So is it really worth it to expend energy running another, secondary cooling device?

In fact, it is. Ceiling fans in particular use very little energy. Yet they’re quite effective at making your home feel cool and comfortable. So there’s really no reason not to take advantage of their benefits while running your AC.

Cutting Costs

You might be surprised to learn that far from being a waste of energy, using your ceiling fan and AC at the same time can actually save you money. That’s because the cooling power of the fan allows you to turn up the thermostat on your AC unit a couple of degrees without compromising your comfort levels.

And turning up the thermostat on the AC just that small amount will translate into pretty substantial savings on your monthly energy bills. That savings will more than pay for the cost of running the ceiling fan, and you save money.

Better Air Circulation

Running the ceiling fan with the AC on or off is always helpful in terms of promoting good air circulation throughout your house. And the more air circulates, the more comfortable your indoor environment will be. Good air circulation is also important because it helps to minimize the number of air contaminants that build up inside.

More Efficient Heating

The benefits of ceiling fans don’t stop with cooling either. In fact, you can run them in reverse to help maintain even heating in the winter. Essentially, there are few investments you can make that will serve you better throughout the year than a ceiling fan regardless of the other home heating and cooling systems you have in place.

If you want more information about which system is right for your home, contact your local air conditioning professional.

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Freon and Load Capacity – How Are They Linked?

July 27th, 2011

If you’re like most people, you probably don’t think too much about how your air conditioning system works. All you really need to know is that when you switch on the system, your house gets cooler. But if you’re looking to purchase a new air conditioner for your home, it’s a good idea to know how to select the right one to fit the space you’re trying to cool.

Air Conditioning Basics

Air conditioners use Freon as a coolant to remove heat from indoor air and transfer that heat outside. To do this, they cycle the Freon through a closed loop of coils. When the cold Freon enters the cooling coil of the air conditioner, it absorbs heat from the air passing by, thereby lowering the temperature of the air. That cooled air can then be transferred into your home and more warm air can be cycled past the cooling coils.

Air Conditioner Sizing

The more air your air conditioner can cool at once, the larger its load capacity. In order to keep a particular space cool, an AC unit has to have a large enough load capacity to accommodate that type of air volume. A unit that’s too small will obviously never be able to keep your room cool enough, but one that’s too big will have a similar problem.

The truth is that when it comes to air conditioner sizing, bigger is not better. It’s best to simply get as good an estimate as you can of what type of load capacity is ideal for the space you’re trying to cool and stick as close to that as you can.

Load Capacity and Freon

Of course, if you want your air conditioner to cool more air at a time, you’ll need more coolant. But simply increasing the amount of Freon in your air conditioner won’t make it cool any better. Freon is simply one of many elements that contribute to effective cooling. And the larger the entire system is, the more Freon is needed.

So more Freon technically contributes to greater cooling capacity, but it’s not enough to accomplish that all on its own. There is really nothing you can do to increase the load capacity of your air conditioner once it’s in place. So for best results, make sure you pick out an appropriately sized unit the first time around.

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Window AC Units – When Are They Appropriate?

July 20th, 2011

In the blazing summer months – or all year round in hot climates – nothing can match the feeling of relief you get from air conditioning. As the mercury rises, the cool, dry air churned out by that humming compressor can feel just like heaven.

While there are a few different options for cooling your home, the most convenient method for most people is a window air conditioner (A/C) unit. They are affordable, effective, and relatively easy to install. However, they are not necessarily appropriate for every situation, and it is important to consider certain factors before settling on a window A/C unit as the best choice.

Space and Capacity

First, consider the area you want to cool. If you are only looking to cool a room or two, then a window unit is a good choice. Aside from just having a window in it, the room must be of appropriate size so that a window A/C unit can keep it cool. You also want to measure the room, or at least make a good estimate, in order to choose the right size unit.

Most manufacturers stamp the packaging with an estimate of the area that the unit is able to cool. A general rule of thumb is that a 5000 BTU A/C unit can cool about 150 square feet. For large areas, consider using multiple units or getting one that is more powerful. Rooms that are usually occupied by several people at a time require a more powerful air conditioner to keep cool, as do kitchens, in order to offset oven heat.

Installation

Second, you want to make sure the window can accommodate the A/C unit safely. Adjustable installation hardware is usually included with the unit, but for windows that are unusually shaped, damaged, or otherwise cannot support the body of the unit, a window air conditioner may not be a safe choice. Proper installation is important not only for safety, but to ensure cooled air is not lost.

If the room is of an appropriate size and has a window that can accommodate one, than this type of A/C unit is a good option for keeping cool. However, if you need to cool a large area, such as a whole house or a windowless room, you should explore other options like as a portable A/C unit or central air conditioning. When deciding on a cooling solution for your home, it’s important to take all these things into account in order to choose the most appropriate option.

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My HVAC System Has a 10 Year Warranty – Why Do I Need a Maintenance Agreement?

July 13th, 2011

While every new system sold comes with a limited warranty for the unit and parts, it is a good idea to supplement your warranty with a more complete maintenance agreement with your HVAC provider. Why pay for a secondary maintenance plan when you already have a warranty?

For the most part, the limited warranty provided by the manufacturer is meant to cover things like faulty parts, abnormal breakdowns or recalls. However, systems need regular maintenance, such as cleaning and replacing filters, cleaning condensate drains and traps, and if that is neglected, it won’t be covered by your manufacturer’s warranty. Neglected equipment wastes energy, and in extreme cases, can become unsafe to operate.

Help Your System Last Longer

Another benefit of a maintenance agreement for your HVAC system is that the system lasts longer when it is regularly maintained.  Neglected equipment breaks down more often and requires replacement sooner than properly maintained equipment.  Check out our maintenance programs page to read the inspections and services performed in regular checkups.  This service will help your HVAC system last significantly longer than if you were forced to wait until you could afford an extra visit from your repair man.

Imagine how much money you’ll save if your furnace or air conditioner lasts for 20+ years instead of just 10. Any breakdowns after the 10 year mark would require hefty repairs or replacement since your warranty is expired. So, it’s in your best interest to keep your system running smoothly throughout its lifespan.

Ultimately, an HVAC system is only as good as what you put into it. If you’re careful about your investments and are willing to spend a little extra now, you’ll stand to benefit far more in the future from a smoothly operating, efficient heating system.

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Control Your Home’s Moisture – Humidity Is Key

July 6th, 2011

Most people don’t give a second thought to humidity until it is either much too high or uncomfortably low. And if you have a state of the art home comfort system, you’re probably comfortable inside all year long anyway. But there are several reasons to pay attention to the humidity level in your home and take action if you realize that it isn’t providing the comfort level you’ve come to expect.

Many problems arise from excess or inadequate indoor humidity levels. For instance, a lack of humidity causes your skin and nasal passages to dry and crack, which is obviously pretty unpleasant. But air that’s too dry can also make the symptoms of allergies, asthma and colds worse. Anyone in your home suffering from these conditions will be much more comfortable when the right level of humidity is restored. Another great benefit is that the indoor air quality will no longer contribute to longer and more severe colds and flu in the winter.

Too much humidity is a problem too, though. It promotes the growth of mold, which is a big contributor to indoor air pollution. Mold spores are a big time allergen. The more moisture there is in your home, the more mold there’s likely to be. High indoor humidity levels also promote the growth of dust mites, another major indoor air contaminant and allergen.

Of course, you probably have a great indoor air cleaner in place to get all of those contaminants out of your home’s air supply. But if the air inside your home is too moist or too dry, it can actually make it harder for the air cleaner to remove all types of contaminants. Not only are you putting a greater strain on your body and immune system, you’re asking your air cleaners to work much harder, which can cost you money in repairs and filter replacements.

For all of these reasons, it’s important to put in a humidification system to maintain the overall quality of your indoor air. Plus, a properly humidified environment is simply more comfortable to live in. A humidifier can easily be integrated into your current home heating and cooling system, so you don’t have to worry about high installation costs or equipment compatibility. All you have to do is sit back, relax and breathe in the fresh air that your humidification system makes possible.

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Cooling Your House Naturally

June 29th, 2011

In this day and age, it seems like no matter what type of problem you have, there’s a technological solution for it. But is that solution always the best? For instance, just because you can get a high-tech air conditioning system to keep your home at the same temperature regardless of the weather outside, does that mean that you should rely solely on that system?

Of course, the choice is yours, but before you decide how best to keep your house comfortable during the warm summer months, it’s a good idea to learn a little bit more about what your other options might be.

  • Cross-Ventilation – One of the easiest ways to take the edge off when the temperature starts to rise inside is to open windows on both sides of the house. This allows the breeze to come in one side and pass out the other, taking the stale, warm indoor air with it in the process and cooling off your house naturally.
  • Stack-Ventilation – If you have a two-story home, you may want to try stack-ventilation. This variation on cross-ventilation involves opening the windows on the bottom floor on one side of your home and on the top floor on the other. The differences in pressure from one area to the next cause fresh outdoor air to be sucked in on the ground floor and pushed out on the top floor, thereby creating a strong air current throughout your home.
  • Blocking Out the Sun – The number one reason that the interior of your house gets hot in the summer is exposure to direct sunlight, so anything you can do to diminish the amount of sun that actually makes it into your home, the better off you’ll be. All you really have to do is close the blinds on those windows where sun can come in to keep the majority of that heat from impacting your indoor environment.
  • Stay Away from Dark Colors – The color of the outside of your home can also have an impact on how hot it gets indoors. Dark colors absorb the heat, while light colors reflect it. So if you want to keep the temperature down inside, stick to light colors on the exterior of your home.
  • The Importance of Shade – Any type of shade will also keep the sun’s heat out of your home. Trees are a great source of natural shade. Awnings can provide great cooling power too without blocking out your view.

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Saving Energy with Air Conditioners

June 24th, 2011

Air conditioners can definitely make it easier to get through a particularly hot and sticky summer. But they are also pretty expensive to run, especially if you live in an area with long, hot summers. Fortunately, there are quite a few things you can do to help your air conditioner keep your home cool without running up those astronomical energy bills.

  • Think about Your Thermostat – Most people set their thermostat at one temperature and leave it there. But does it really make sense to pay to keep your home cool all day long when no one’s home? Instead, try turning up the temperature when you leave the house and then again at night before you go to bed. It’s likely you won’t notice the difference and even an adjustment of a couple of degrees can make a big difference.
  • Multiple Climate Zones – When you are home, of course, you want to set your thermostat to a temperature you’ll be comfortable with. But that probably still means you’ll be cooling a lot of empty space. Installing a multi-zone system allows you to set different temperatures for different parts of your home. You can keep the spaces you use regularly cool and comfortable without wasting money paying to cool the unoccupied parts of your home.
  • Ceiling Fans – It might seem silly at first glance to use a ceiling fan at the same time as an air conditioner. But the truth is that using a ceiling fan to compliment your air conditioning system can actually save you a lot of money. Ceiling fans use next to no electricity to operate and they can make the house feel a few degrees cooler. With that added help, you can turn your thermostat up a few degrees without sacrificing indoor comfort and save yourself quite a bit of money – more than enough to cover the cost of running the ceiling fan.
  • Keep Things Sealed – Making sure your house is well sealed and insulated is another important way to keep your energy usage down during the summer. The more cool air that escapes, the harder your system has to work and the more energy it will use.
  • Proper Maintenance – Keeping up with the recommended maintenance for your air conditioning system is the best way to make sure it maintains the highest possible level of energy efficiency. Over time, it will ensure your system stays efficient longer as well – well beyond the initial lifespan estimates.

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