Archive for June, 2011

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Top 10 Mistakes People Make When They Buy HVAC Equipment

Wednesday, June 29th, 2011

Every year millions of homeowners buy a new HVAC system for their home. Whether for heating, cooling or air quality, they make a huge investment in a new system that will be with them for years to come. Unfortunately, many of those people make big mistakes when buying their next system, so to help you avoid doing so, here are some simple things you should not do.

  1. Ignoring Air Quality – Air quality is about more than comfort. It affects the health of everyone in your home equally. Consider it carefully when installing a new system.
  2. Avoiding Even Heating and Cooling – One room being cooler or warmer than another is not okay. It’s bad for your system and bad for your home’s comfort level. Have insulation and ductwork checked before installation of a new HVAC system.
  3. Not Upgrading Your AFUE or SEER – New systems are highly efficient. Take advantage of that by buying one with a higher AFUE or SEER rating.
  4. Not Vetting Your Contractor – Always spend time checking up on your contractor, reading reviews and asking other customers how their experience was.
  5. Skipping the Service Agreement – Service agreements save money and help your system last longer. Don’t skip them.
  6. Buying the Cheapest Option Available – It may be tempting, but a cheap HVAC system is a bad idea if you want it to last and save you money in heating and cooling. Even a midrange system will save you money in only a few years with higher efficiency ratings.
  7. Picking the Same Model You Already Had – New models are stronger and more efficient. When possible, get an upgrade and your bills will reflect the difference.
  8. Waiting too Long to Buy – The longer you wait, the more you pay in heating and cooling bills for an old, worn down system. If you know you’re going to buy a new system, act fast to save the most possible money.
  9. Not Asking Questions – If you have a question, ask it. There is no such thing as a stupid question when looking for a new HVAC system.
  10. Ignoring Maintenance Recommendations – Maintenance recommendations are optional but almost always to your benefit. Research on your own before committing to anything, but don’t ignore the necessity either.

If you do things just right, your new HVAC system will last for years to come and provide steady, comfortable heating or cooling throughout that time. But, if you rush through things, make a hasty decision and neglect to do any research, you may have issues with your system in far less time than you’d like. Be smart and you’ll be rewarded.

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What Information Should I Keep in My Home?

Monday, June 27th, 2011

There are a lot of important documents you receive when you own a home. You have a deed, a title, tax information, service contracts, warranties, and other paperwork needed to maintain your home and protect it against damage or theft. If there is a fire or something breaks you need immediate access to your documents no matter the situation. So, they need to be close at hand.

Specific Documents to Have

Always have your warranty and insurance documents on hand. If something happens to an appliance or piece of equipment, you don’t want to spent time calling customer service to obtain your policy numbers. You want to take action now and that means you need that information on hand immediately. Keep paper copies of your insurance forms, warranties, service contracts and anything else you may need in the case of an emergency. Additionally, it’s good to have a call sheet with all important information and policy numbers typed up for quick access.

Sensitive Document Storage

For special documents you store at home like your deed, mortgage papers or insurance documents, a fire proof safe is a good investment. If something happens, you want that information to be safe and immediately available. Many homeowners create photocopies of these documents for easy reference and put the originals in a safe deposit box somewhere so they cannot be destroyed in case of an emergency.

Digital Copies

There is also a growing trend to scan and store digital copies of your information on a computer hard drive or in an email account. This ensures that no matter what happens you always have a copy of your most important documents. You can then keep your original signed copies in a safe deposit box and have all the pertinent information for your home available via a computer no matter where you are.

Documents are easy to misplace or accidentally destroy when you’re not careful, but those simple pieces of paper are more important than you can imagine. You may not even look at them for years to come, but when the time comes to do so, you want them to be available and in good condition. So, take proper steps to create photocopies and digital copies, and store the originals somewhere safe to protect from fire and other disasters.

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Home Energy Myths

Friday, June 24th, 2011

Measuring and controlling your home’s energy consumption is a little tricky. There are plenty of talking heads and information resources on the Internet that tell you how it’s supposed to work, but in most cases you’ll find that so called common knowledge about your home’s energy use isn’t always true. Here are some of the most common myths and how to differentiate from the truth.

  1. Conservation and Efficiency Are Different – Many people think that by getting an energy efficient appliance, they are conserving energy and helping the environment. To some degree this is true. However, in reality, you are merely reducing how much energy it takes to complete a task. Conservation is finding ways to actually stop using energy for common tasks. Taking baths instead of showers, not watering your lawn, and turning off lights completely are all examples of conservation.
  2. Turning Off an Appliance Saves a Lot of Energy – Regardless of whether an appliance is physically on or not, it still consumes power as long as it is plugged in. The only way to completely stop your energy consumption is to unplug an item completely or use a power strip that blocks access to electricity when the switch is turned to off.
  3. Turning on Items Creates a Power Surge – While turning a computer on and off uses a bit more electricity than simply leaving it on all the time, it isn’t a significant difference. In fact, the longer you leave an appliance on, the more it wears down and the faster it starts to use extra power to remain effective.
  4. Extra Insulation Creates Pressure – If you insulate a certain area of your home, you don’t need to worry about air leaking out. While it’s a good idea to complete all of your insulation at the same time, if you skip the windows or doors for now, it won’t hurt. All insulation is a good investment, no matter how much you install at any given time.
  5. One Energy Source is Cheaper than Another – This depends largely on the type of energy source you have for heating and cooling, the cost of that source and how much heating and cooling you need. A single portable electric heater is cheaper than running your entire oil heating system. But, electric heaters are rarely cheaper if you use them to heat your entire home.

Myths abound when it comes to energy use around your home. Make sure to get all the facts before making decisions that could end up costing you more money in the long run.

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Home Repairs You Don’t Want to Ignore

Wednesday, June 22nd, 2011

There are a lot of things you need to take care of around your home. But, everything costs money so many homeowners will put off certain home repairs for weeks, months or even years until they can afford them. However, there are certain things around the house you simply should not put off. Not only can they cost you more money in the long run, they can put your home and your family at risk if you wait too long.

Dirty Filters

Dirty filters in your air conditioning, heating, or air quality system are a problem. Not only do they force your HVAC system to work harder to maintain a good temperature, they are frequently a major cause of airborne contaminants and pathogens. Imagine it this way; those filters are meant to remove something from your air. If they get dirty and are not replaced or cleaned, they probably aren’t working any longer and you can get sick. Dirty filters are inexpensive and easy to fix. Both you and your HVAC repairperson should see to them regularly.

Dryer Vents

Clogged dryer vents are more than just an inconvenience – they are dangerous. If your home has dirty dryer vents, the exhaust from your dryer isn’t able to escape. When this happens, heat will build up in the ducts. Not only can exhaust backup into your home, the risk of a fire goes up significantly. Have your dryer vents cleaned at least once a year and if you live in a two or three family house, make sure it is more often – closer to every 6 months.

Flexible Gas Connectors

Gas connectors are used to transfer gas from the supply entering your home to various appliances like your stove, water heater and furnace. So, there is a lot of natural gas passing through them each day. If they are not properly cared for, that natural gas can start to leak from the connectors and eventually build up in your home to an unsafe level. You should have a carbon monoxide detector installed on every floor of your home and you should have someone come out and check your system regularly for problems.

Water Leaks

Water leaks are more than just messy – they can cause damage to fixtures and floorboards and over time can lead to the growth of mold and the weakening of your entire home. Especially in concrete or foundational walls, water leaks need to be seen to immediately. Even just a small leak can cost you money and put your home at an increased risk of damage.

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

Monday, June 20th, 2011

While every new furnace sold comes with a limited 10 year 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. If your system simply needs to get a checkup because you use it a lot or there is a clog that isn’t caused by the actual furnace or air conditioner, you will likely end up paying the maintenance cost. So, by paying for an upgraded service plan, you cover all potential breakdowns and you’ll never again need to worry about your system. It’s like getting the upgraded warranty for a new car that covers everything from a busted crankshaft to old windshield wipers.

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. The best maintenance agreements come with unlimited checkups and service visits, any day of the week, any time. So, if you think your system is running poorly, call a professional in to check it out and it won’t cost you anything. The ability to do this will ensure your HVAC system lasts significantly longer than if you were forced to wait until you could afford an extra visit from your repair man.

So, not only do you ensure your system keeps working, you add a lot of valuable years to its lifespan. 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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The Facts about Indoor Air Quality

Friday, June 17th, 2011

One of the least understood aspects of your home’s comfort system is the indoor air quality. Most people assume that once they have a good furnace and air conditioner installed, there’s nothing left to worry about. However, with the push in the last 20 years to reduce energy loss through poor insulation, most homes are sealed up tighter than ever before. This doesn’t just cause stuffy indoor air – it can actually lead to illness.

How Bad Can Indoor Air Quality Get?

Homes built in the 1980s were recommended to have one third of the ventilation of those built before. Today, the standards have returned to their original levels, but for many years, homes were built with poor ventilation and excessive insulation. The result is a space that holds the air in too well. Everyday contaminants and allergens like dust, pollen, pet dander, mold, or smoke cannot get out of your home and as a result, you can get sick.

In fact, some people even suffer from Sick Building Syndrome (SBS). This is when they feel ill constantly, with respiratory symptoms that have no root cause and are hard to diagnose. Often, it is because they simply breathe too many contaminants and too much stale air.

Fixing Air Quality Is Simple

The first thing needed to fix air quality is a good filtration system. Despite what many people think, simple filtration is not that expensive. There are big, powerful purification systems with advanced ionization units and UV lighting to kill bacteria and viruses, but most families are served well with a simple HEPA filter to remove things like dust, pollen and dander.

It’s a good idea to have your indoor air quality tested, however, just to make sure other contaminants are not present. High humidity can lead to mold growth, and poor ventilation can lead to exhaust or gas fumes in your home. A good carbon monoxide detector is recommended for the latter, but testing should be done to make sure nothing else is floating around.

Finally, make sure your home is properly ventilated. Standard ventilation tends to leak heated or cooled air outside, so many homeowners now opt for energy recovery ventilators. These systems have heat exchangers that transfer warm air between indoor and outdoor air.

However you want to fix your indoor air quality issues, know that there are plenty of things you can do with the help of a good filtration device and regular cleanings of your ductwork and vents.

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

Wednesday, June 15th, 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 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 t 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 a Thermostat Works

Monday, June 13th, 2011

Your thermostat is designed to closely monitor and maintain the temperature in your home. When you flip the switch, you want your furnace or air conditioner to respond immediately. So, it’s a good idea to learn how it works so that if there is a problem, not only will you know better what needs to be fixed – you can decide whether to call a professional in for help.

Thermostats shouldn’t need input from you other than to set the initial temperature. From there, they are automatic switches. A thermometer inside the thermostat measures the indoor air temperature. When it gets above or below the limit you’ve specified, it triggers the thermostat to send a message to your home comfort system and keep things nice and comfortable.

Types of Thermostat

Thermostats come in two forms –electromechanical and electronic. An electromechanical thermostat is the simplest and has been used for decades to regulate temperature in homes. It has a simple strip or coil of metal that expands as the temperature rises and contract as it lowers. A mercury thermometer is placed on top of the strip. The coil’s movements cause the vial to tip as the temperature changes. There is a pair of electrical contacts on either end of the vial. The mercury can absorb that electrical current when the electrical contacts touch the thermometer. The mercury then acts as a switch to turn on your comfort system.

An electronic thermostat simply has an electronic sensor that measures the indoor air temperature. You set a temperature for your room and when it changes significantly, the switch inside your electronic thermostat is triggered, causing it to turn on your comfort system.

Ways to Upgrade Your Thermostat

Most homes only need the bare minimum in their thermostats. However, there is some very exciting technology on the market these days that can add quite a bit of value to your system. Not only can you install a programmable thermostat, you can opt for zone control systems that allow multiple thermostats in different rooms of your home.

Programming allows you to set temperatures for certain times of the day. This is especially great if you are gone from the house for long periods of time each day. Why heat or cool a home when it is empty? And if you have multiple people with different temperature needs, zone control temperature control allows you to set specific temperatures for specific rooms in your home – a very enticing option for large families or multi-story homes.

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Evaporative Coolers

Friday, June 10th, 2011

If you’re looking for an effective alternative to a traditional air conditioning system for your home, an evaporative cooler is a great option to investigate. This is not new technology by any means, but evaporative coolers are rapidly gaining popularity these days for several reasons. While these aren’t the perfect solution for every home, they’re definitely worth taking a closer look at if you’re interested in cutting your cooling costs.

Here are some of the benefits of evaporative coolers:

  • Energy Efficiency – Because they cool air through evaporation, evaporative coolers use much less energy than traditional air conditioners to achieve the same results. This will take a big chunk off your energy bills each month.
  • Competitive Pricing – You can buy just about any size evaporative cooler for less than a comparably sized air conditioner. And just like air conditioners, evaporative coolers are available in a wide variety of sizes so you should have no trouble finding one to fit the space you need cooled.
  • Easy Installation – Whether you opt for a smaller window unit or a larger centralized one, evaporative coolers are at least as easy to install as air conditioners if not more so. The smaller units are made to fit into windows just like a comparably sized air conditioner, and central evaporative coolers operate through the same air ducts as your central heating system. They’re easy to integrate into your home and often less labor intensive than a central air conditioner to install.
  • Complete Air Circulation – With an air conditioner, you need to have your windows and doors sealed up tight to keep the cooled air from escaping. But because evaporative coolers work by cooling outdoor air as they bring it into your home, they require other doors and windows in the house to be open to function efficiently. As the evaporative cooler blows cooled air into the house, it pushes hotter air out, leaving you with a comfortable environment and a constant supply of fresh air.

Of course, evaporative coolers aren’t the right choice for every situation. They work extremely well in areas with hot, dry climates, but they have a harder time cooling your home when the air outside is hot and humid. They also require water to keep their cooling pads moist, and if you live in an area where drought conditions are common, it may be difficult to keep up with their water consumption.

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Window and Through Wall Units – Benefits and Disadvantages

Wednesday, June 8th, 2011

When you’re trying to decide what type of air conditioner to get for your home, you’ll first have to determine whether a central air conditioning system or smaller individual unit is best for you. These smaller air conditioners are generally installed either in a window or through the wall of your home, and they can provide excellent cooling under the proper conditions.

If you’re still on the fence about what type of air conditioner is right for your home, here are a few items to consider:

  • Ducts – If your home already has ductwork installed for a central forced air heating system, it should be relatively easy to hook up a central air conditioner. But if there are no ducts currently in place, your installation costs will be a lot lower with window or wall mounted units.
  • Portability – Most window units are designed to be removed and stored at the end of the summer, so you can have your windows back and not have to look at that unit all winter long. Through wall units aren’t generally removable, but because they don’t take up window space and provide a more thorough seal against the elements, that’s not as much of a concern.
  • Aesthetics – With both window and through wall units, you’ll have something protruding into your room at least a few inches. These types of units are hard to hide, particularly when compared to the simple air ducts that central air conditioning systems use.
  • Flexible Sizing – No matter how big or small your room is, you should have no trouble finding a window or through wall unit to match it. A central air conditioning system needs to be sized to fit the entire house. If you’re only inclined to use air conditioning in two or three rooms during the hottest months of the year, you may not want to pay to cool the entire house all of the time. Smaller units provide that type of flexibility.
  • Affordability – Installing a central air conditioning system, even if you already have ducts in place, is a large undertaking and likely to cost you several thousand dollars up front. On the other hand, small window and through wall air conditioners are available for as little as $200 and you can buy more whenever you’re ready to spend that extra money. You can also usually install a window unit yourself, and the cost of having a through wall unit installed is minimal compared to that of a central AC unit.

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