Design Comfort Blog: Posts Tagged ‘Salt Lake City’

Top 10 Mistakes People Make When They Buy HVAC Equipment

Wednesday, August 10th, 2011

Every year millions of Salt Lake City 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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Window and Through Wall Units – Benefits and Disadvantages

Wednesday, August 3rd, 2011

When you’re trying to decide what type of air conditioner to get for your Salt Lake City 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.

If you have any questions about which air conditioning system is right for you, contact your local air conditioning professional.

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Whole House Fans vs. Attic Fans

Wednesday, July 20th, 2011

Air temperature in your home is a big issue in the summer. The cost of maintaining your air conditioner as it runs nonstop for hours at a time can be very high – as much as $4,000 for a single year of cooling. That’s why a lot of families turn to fan solutions to reduce how much they spend on their AC units each year.

How Fans Work

A fan draws in outdoor air to your home. That outdoor air will cool your home when the outside temperature is cooler than the indoor temperature. If the weather outside gets much warmer than 80°F, you will probably still need to use your air conditioner at least a little, but if it’s in the 70°F-80°F range, the temperature inside can be maintained simply by blowing cooler outdoor air into your home.

A whole house fan solves this problem by pumping fresh air into your home through the ductwork you already have in place. When the temperature outside is low enough, you’ll enjoy a much steadier, more comfortable level of cooling and save a lot of money.

However, for those that don’t want to install a completely new system for their entire house, attic fans offer a good chunk of savings as well.

Why Attic Fans Work

The idea behind an attic fan is simple. During the summer, all the heat in your home rises. Even with your air conditioning working at full capacity, heat will build up in the attic, especially if you don’t use that space and therefore don’t have any cooling ducts up there.

In some cases, attic temperatures can rise to 140°F or higher, which then raises the temperature of the rest of your home and forces your AC unit to work that much harder.

An attic fan is good because it takes the air from outside, almost assuredly cooler than 120°F and cycles it into your attic to keep the temperature lower. That simple fan can reduce indoor air temperature by as much as 40°F or 50°F and significantly reduce your air conditioner’s work load.

Which is Better?

Neither of these is better than the other. If you have low cooling costs and want to keep your attic from adding to them, an attic fan is perfect. However, if you want to cut into your cooling costs for all but the warmest months of the summer, a whole house fan may be the right option.

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How Can I Be Sure My Home’s Air is Safe?

Wednesday, July 13th, 2011

There are many ways to ensure your home’s air is safe to breathe, but the easiest is to have it tested regularly and to use proper filtration and ventilation. However, there are a lot of different filtration methods, so here are a few known to work best.

Air Filtration

If you have pets or a lot of plants, air filters are a great idea because they remove most of the larger particles that get into our air supply. This includes things like pet dander, pollen, mold, and other particles like dust. If you have allergies or someone in your home has asthma of any kind, this is the best way to be sure they don’t breathe anything they shouldn’t.

Air filtration is also very simple to install and inexpensive to maintain. Just be sure you opt for HEPA air filters. They are the best on the market and are certified to capture much smaller particles than any other filters, plus they tend to last quite a bit longer.

Air Purification

For big time air cleaning, you want to go with an electronic air purifier. These machines will actually ionize the air in your home to separate out smaller particles such as gas, smoke, or pathogens like bacteria and viruses. They can also capture some larger particles like mold and dust mites. The key to effective air purification is to use it in conjunction with a good air filter.

Also, consider the use of a good UV filter with your air purifier. UV filtration can be installed in your air ducts or vents to kill any unwanted pathogens as the air is circulated.

Testing and Cleaning

The final step is to make sure your air stays clean. Get detectors for big time contaminants like radon and carbon monoxide but also have your air quality tested every year or two to check for high levels of other contaminants.

If you have filters and ductwork, make sure they are cleaned regularly. Filters must be changed on schedule or they simply won’t work as intended. You should also maintain a powerful ventilation system that will keep a steady supply of fresh air coming into and out of your home. An energy recovery model is best to minimize heat and cooling loss from your comfort system.

Overall, your air quality can be maintained year round with a close eye to the maintenance of your equipment and regular testing.

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Who Invented Air Conditioning?

Friday, July 1st, 2011

For hundreds of years, people have been trying to figure out how to stay cool in the heat of the summer. But it wasn’t until 1902 that the first modern air conditioner was put into service in Brooklyn, NY. Since then, many adjustments and improvements have been made to make air conditioning available and convenient for people to use in their homes and cars. But through it all, the basic principles used in that first air conditioner have remained constant.

The Sackett-Wilhelms Lithographing and Publishing Company

The heat and humidity in New York in the summer isn’t something to be taken lightly, but it posed particular problems for the owner of the Sackett-Wilhelms Lithographing and Publishing Company. The conditions inside his facility were such that the paper used was warping and the dimensions fluctuating, causing the printing to constantly come out misaligned.

To try and solve this problem, he hired the Buffalo Forge Company, which itself had just hired Willis Haviland Carrier, a recent recipient of a Master’s Degree in Engineering from Cornell University. Carrier approached this problem by trying to find a way to cool air by passing it over cold coils in the same way air was heated in those days by passing it over hot coils.

As it turned out, this process worked to reduce both the temperature and the humidity in the area and Carrier’s first air conditioner began running at Sackett-Wilhelms in July of 1902.

The Next Steps

As the potential for this new technology became more and more apparent, demand for Carrier’s device grew in all sectors of the economy. Employers were delighted by the way air conditioners increased the productivity of their workers during the hottest months of the year, and in order to keep up with demand, Carrier eventually founded the Carrier Air Conditioning Company which still exists today.

The coolants used in the earliest air conditioners were generally either highly flammable or toxic, and often both. In order to make air conditioning safer and easier to use, a safer coolant needed to be introduced, which was what drove Thomas Midgley, Jr. to develop Freon in 1928. Freon was initially made up of chlorofluorocarbons (CFCs), but as the disastrous environmental impacts of those chemicals became apparent, usage shifted first to hydrogenated chlorofluorocarbons (HCFCs) and then to the hydrofluorocarbons (HFCs) that are predominantly used today.

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Inverter vs Conventional Models

Wednesday, June 29th, 2011

When trying to pick out the right air conditioner for your home, you’ll probably stumble across mention of inverter technology. Air conditioners using inverter technology are quite similar to conventional air conditioners in many respects, but they have some distinct advantages under certain circumstances.

What’s the Difference?

A conventional air conditioner is set up to switch on when the indoor temperature reaches a particular level. When it comes on, it introduces cool air at a constant speed until the desired temperature is reached and then it shuts off completely. Your indoor environment remains more or less the same temperature, but you will be blasted periodically with a lot of cold air. While the air conditioner is off, the air in the room gradually warms up until the temperature gets high enough to trigger the air conditioning system to come on again.

An inverter, on the other hand, comes on powerfully at first to achieve the desired temperature, and then reduces its fan speed gradually to maintain that temperature without shutting off completely. This method of cooling maintains the desired temperature more consistently than a conventional system can. It also requires a lot of careful measurements, not only for how much cooling power is needed in your room, but for the speed at which the cool air will dissipate from that room.

Initial Installation

One big reason that more people didn’t opt for an inverter air conditioning system in the past was that the initial installation cost was often considerably higher than that of a conventional system. However, advances in the technology have made inverter air conditioners much more affordable in recent years. Digital programming, more accurate measurements and efficiency in every aspect of the field are responsible for the drop in price.

Savings over Time

While inverter air conditioning systems are still typically more expensive than their conventional counterparts when it comes to initial cost, they provide excellent savings over time that can more than make up for the difference in purchase price. This is particularly true in areas where air conditioners are not running at full blast constantly.

When they are both maxed out, a conventional air conditioner is more efficient than an inverter. But when the temperature is such that a conventional model would switch on and off all of the time, an inverter will easily outstrip it in terms of energy efficiency.

To ensure you get the right model for your home, carefully calculate the difference in installation costs, the amount of cooling your home needs and the current efficiency of your cooling system. If everything lines up perfectly, an inverter system may be right for you.

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How to Use AC Most Efficiently

Monday, June 27th, 2011

Air conditioning is definitely something most of us wouldn’t want to try and get through the summer without. And for a lot of people, because of medical or other conditions, it’s an absolute necessity. But just because you need to run your AC unit all summer doesn’t mean you need to suffer under the weight of astronomical cooling costs.

So if you’re interested in ways to save on cooling without sacrificing comfort, here are a few tips to get you started:

  • Get a Programmable Thermostat – When you come home at the end of a long day, you want your home to be cool and comfortable. But if you only have a basic thermostat, you would have to leave your air conditioning on all day in order to make this possible. Paying to cool an empty house is probably the last thing you want to do. But what is the alternative?Programmable thermostats offer the best solution in a case like this. These devices can be easily integrated into just about any home air conditioning system and they allow you to set different temperatures for different times of the day. That means you can have your air conditioning off while you’re not home and set it to come on a half hour or so before you get there. This way, you get the pleasure of walking into a cool, comfortable house without paying extra to keep it that way when you’re not home.
  • Incorporate Passive Cooling – The design of your home and how you use it can also have an effect on how hard your air conditioning system needs to work. Taking steps as simple as closing the blinds to block out the afternoon sun, putting up awnings and making sure that the exterior of your home is painted a lighter color to reflect sunlight rather than a darker one that will absorb it are all excellent ways to reduce the load on your air conditioner.
  • Supplement Your System – You can also take a good chunk out of your cooling bills by using things like ceiling fans in conjunction with your air conditioner. A ceiling fan can effectively lower the indoor temperature several degrees on its own, allowing you to set your thermostat a little higher.

Air conditioning is a major expense that most of us are resigned to paying, but there’s no reason to pay more than necessary with so many strategies available to save money.

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How Do I Find the Right Size Unit for My Room?

Friday, June 24th, 2011

When buying an air conditioner, there are a lot of things you need to take into account. One of the most important is the size and power of the unit you choose. Air conditioners come in many different sizes, so if you really want to get the most out of your purchase, you need to do your research and pick one that fits your home like a glove.

Square Feet and BTUs

The best way to determine how large of an air conditioner you need is to match the number of BTUs the unit has to the square footage of the room you want to use it in. That means you need to know what room you’re buying it for before you make your purchase.

The number of BTUs needed goes up proportionately with the room size, so even if you don’t have exact measurements or if your room is oddly shaped, you can get a good idea of how large an air conditioner you need. For instance, a 400 to 550 square foot room is best served by an air conditioner with between 8,000 and 11,000 BTUs, while a room that’s only 250 square feet would probably be fine with a 6,000 BTU unit.

Bigger Isn’t Always Better

One of the most common mistakes people make when buying an air conditioner is to assume that the bigger the unit the better it will work. The truth is that buying an air conditioner that’s too big for your room is just as much of a waste as buying one that’s too small.

A larger air conditioner will cost more, and it will probably make the room too cold. It will also cycle on and off more frequently than a properly sized unit and it won’t be able to properly control the humidity level, leaving you with a cold, damp environment. That’s not very comfortable.

Other Factors

The square footage is definitely the most important piece of data you’ll need before buying a new air conditioner for any room in your house. But don’t forget to take some other factors into account as well. For instance, if the room has particularly high ceilings or receives a lot of direct sunlight, you’ll probably need a slightly more powerful unit than the straight square footage would indicate.

If you’re not sure how certain features of your home will impact your buying decision, call a professional who can help you get a more exact idea of what it will take to stay cool.

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What Features Should I Look for When Buying an Air Conditioner?

Wednesday, June 22nd, 2011

There are so many different types and styles of air conditioners on the market these days, it can be difficult to figure out what features are worth paying attention to when it comes time to buy one for yourself.

Of course, the most important thing to do is make sure you get an air conditioner that’s appropriately sized for the space you’re trying to cool. But what should you look for beyond that? Here are a few features you might like to have on the unit you purchase:

  • Energy Efficiency – The more energy efficient your air conditioner is, the less your cooling costs will be. It’s as simple as that. So when you’re evaluating devices, remember that it’s worth paying a little bit more up front for a more energy efficient unit. It will save you money in the long run and you’ll be doing your part to help the environment.
  • Dehumidification – Just about every air conditioner controls humidity to a certain extent in addition to cooling. But some do this better than others. There are also air conditioners with separate dehumidification settings for those days that are more humid than hot. Even when you need both cooling and dehumidification, it’s nice to have control of each of these independently.
  • Timer – Being able to program your air conditioner to switch on and off at different times of day is more than just convenient; it will save you money. You don’t want to leave your air conditioner running all day when you’re not home, but it sure is nice to come home to the comfort of an air conditioned space. If your air conditioner has a timer, you can have both. Just set the unit to come on a half hour or so before you get home and you’ll enjoy cool, refreshing indoor comfort right when you get home without paying through the nose to keep your home cool when no one is there.
  • Easy-to-Use Controls – As simple as this one seems, you might be surprised at how inconvenient the controls on some air conditioners can be. So when you’re evaluating your options, make sure you research how easy each unit is to operate. This can definitely save you from plenty of frustration in the long run.

Air conditioners come in many different shapes and sizes. To make sure your decision works best in your home, do your research well in advance. When the summer heat kicks in, you’ll be glad you did.

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Do I Need Surge Protection for My HVAC?

Monday, June 20th, 2011

You probably know that to keep your HVAC system in good working order you need to keep up with regular maintenance. This includes things like changing air filters, cleaning out air ducts and clearing debris from both inside and outside the system. Surge protection for your system may not be something you think of immediately, but like those maintenance tasks, it’s an important part of keeping your equipment functioning properly over time.

How Surge Protection Works

Surge protection essentially shuts off your system in the event that power levels in the system rise suddenly and unacceptably. When a sudden increase in electricity occurs, any electronic device is at risk. But, unlike your stereo, your HVAC system costs thousands of dollars – no one wants to lose something so valuable to a surge that could have been prevented. That’s why a surge protector is so vital for your system.

The surge protector monitors the levels of electricity coming into your HVAC system. In the event that a surge occurs for any reason (faulty wiring, a lightning strike, etc.), the surge protector will immediately cut off power to the HVAC unit and shut all of the equipment down.

A Sizeable Investment

Your HVAC system was not an impulse buy. This is a collection of equipment that you probably spent a good deal of money on and that you rely on to keep your family comfortable throughout the year. When you look at it that way, it’s easy to see why it’s worth doing anything you can to protect your investment. Installing a surge protector is a relatively minor expense compared to the money and inconvenience it could save you by preventing serious damage to your HVAC equipment.

Proper Restart

Once a surge protector shuts off your HVAC system, you’ll need to restart it properly. The best thing to do is talk to the contractor who installs your system. They can walk you through the restart process step by step to ensure you know exactly what to do. After going through all that trouble installing a surge protector, the last thing you want is to make a mistake when turning it back on.

If you don’t already have a surge protector in place, call an HVAC professional today and learn what your system needs to be fully protected. It’s a small expense and a quick installation, so there’s no reason to put it off any longer.

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