Air On Demand Blog: Archive for July, 2012

Miami Air Conditioning Tip: Why Ducts are Important to AC Efficiency

Monday, July 30th, 2012

Duct systems are one of the key elements to many central air conditioning systems in Miami.  They play a vital role in maintaining AC efficiency.  Air on Demand works with both air ducts and complete air conditioning systems and can help you understand why ducts are important to AC efficiency.

The Importance of Ducts to Air Conditioner Efficiency

Our air conditioning systems can use as much as half of our monthly energy usage, so addressing all aspects of these highly used systems is important to our budget and to our comfort indoors.

Care for an air conditioning system includes scheduling routine maintenance, using programmable thermostats when possible, changing or cleaning air filters on a regular basis, using high-efficiency air conditioners, and having a fully functioning ductwork system that operates as efficiently as possible.

The condition of the air duct system contributes to overall efficiency of the air conditioning system. If not properly maintained, they can cause air leaks through cracks, holes, or places where the joints have shifted or become disjointed. These leaks send air into unused spaces, which wastes the energy used to create it.  When not properly cared for, ductwork can be a big energy waster, reducing the overall air conditioning system’s efficiency by as much as 20%.

With proper duct system maintenance, air duct leaks will be identified, and resolved by having the ducts sealed, repaired or replaced, and the entire system brought back up to par with how it was originally designed.  Ensuring that your duct system is working properly will bring your AC efficiency back up to normal levels, allowing you to save money while using your air conditioning system, rather than wasting money on air sent to unused spaces.

Air on Demand is a professional air conditioning company that supplies quality air conditioning services in Miami Florida.  Contact Air on Demand and be confident that your ductwork system is properly sealed and works as efficiently as possible.

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Ductwork and Your Pinecrest Air Conditioner

Monday, July 23rd, 2012

When temperatures start to soar central air conditioning makes our homes much more comfortable. Unfortunately, the system of ductwork that it these systems use can be responsible for a lot of efficiency loss. There are a few ways in which your ductwork may be wasting cooling power generated by your Pinecrest air conditioner. Here’s a list of some of the worst offenders.

  • Leakage on the return or supply sides of your ducts is a serious problem. Your home may still be cool but there is a lot of energy being wasted. Properly sealed ducts are a must if you want an efficiently operating cooling system.
  • Improper sizing of ducts is also a serious detriment to the efficiency of your cooling system. Remember, it is important to purchase an air conditioner that is appropriately sized for your home, but improperly sized ducts are just as inefficient. Be sure that you are working with a contractor to ensure that your ducts are properly sized and connected.
  • An undersized or restrictive register or return grill can also cost you money when you run your air conditioner. There’s no point in cooling air if it can’t get through the ductwork to your rooms. A restrictive register or return grill will trap and waste your cooled air.
  • Sizing and air flow aren’t the only issues that your ductwork may have. Efficiency can also be adversely affected by poor layout of your ducts. Any dead ends or narrow turns are going to affect the distribution of your air. If your ductwork was installed hastily and was not meticulously planned out, it’s more than likely that there are a few spots wasting energy.
  • Finally, a little insulation on your ducts can go a long way. If your ducts are not properly insulated and they are too warm then the cool air intended for your home will wind up cooling your ducts instead. Have a professional inspect the insulation on your ducts, and see if you can get a better performance out of them.

Hopefully this list has given you an idea of the importance that lies behind your Pinecrest air conditioner’s ductwork. When properly installed, insulated and maintained, forced air duct systems deliver strong cooling power and good efficiency. However, when the job is rushed and improperly done, your ductwork can account for a huge amount of lost energy. When you want air conditioning installed, or if you want to improve on your existing system, call Air On Demand. We’ll make sure that you’re getting the most out of your system, ducts and all.

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Check Out These Great Customer Reviews!

Friday, July 20th, 2012

Customer Reviews | Miami | Air On DemandAt Air On Demand we love hearing feedback from our customers, especially when they are as happy as the ones below! We strive to provide the best customer service and professional technical service in the Miami-Dade and Monroe County areas. We provide air conditioning, air filtration, and ductwork services to name just a few. Take advantage of our $59 31 point AC Maintenance System check special.

“Great People, Great Product, Great Service. Enough said.”

“Just wanted to drop a note for the south Florida / homestead office and tell them how completely satisfied I am with the recently installed mini-split for my sunroom. Your technician and electrician were very nice and very helpful. The cleanup at the end of the job was excellent. Also, Shannon was very helpful in jumping through the admin hoops for the install  She made it as painless as it could be  Thank you and I look forward to many years of excellent service from you.”

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Richmond Heights AC Tip: Matched HVAC Systems

Monday, July 16th, 2012

Interchangeable parts have made fixing many appliances and machines much easier. From your car to your vacuum cleaner, you can replace broken parts with new components from a variety of different manufacturers. And while this very convenient for a lot of different kinds of machinery, when it comes to your Richmond Heights HVAC system, it is not necessarily a good thing. In fact, your heating and cooling system will work much better if the components are matched.

What is a Matched System?

A matched HVAC system is one in which the parts are designed to work together. For instance, an air conditioner and a furnace made by the same company can be matched, as can a heat pump and a furnace. Usually, the outdoor components, such as the air conditioner or the heat pump, are designed to work best with specific models of indoor components, such as the air handler or furnace.

Increased Efficiency

While a matched system might seem to limit your HVAC options, it more than makes up for any loss of variety with increased efficiency. Because all the parts with designed and made by the same manufacturer to work together, the system is able to perform at peak effectiveness. And while you can replace one part of a matched system without impairing overall function, you will often lose energy efficiency.

For these reasons, it is a good idea to make use of a matched system in your home if possible. If you are installing a new air conditioning system in your Richmond Heights home, this means you might want to consider replacing your furnace at the same time. You should also try to replace any broken components with ones that match your current setup.

To learn more about matched systems or to have one installed in your Richmond Heights home, give Air On Demand a call today!

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Miami AC Tip: Sizing Ductless Air Conditioning Systems

Monday, July 9th, 2012

Proper sizing of your Miami air conditioning system is one of the most important factors affecting its operation. A system that is too small won’t be able to keep up, while one that is too large can lead to short cycling and excess humidity.

This applies not just to central air conditioning systems, but also to ductless systems. The main difference is that with ductless systems, not all systems have to have air handler units installed, so you don’t need to take every room into account. To get an estimate on what size ductless system you need, follow these 4 steps:

 1.       Measure each room

To start with, you need to know the area in square feet of each room room that will be cooled by the ductless system. To do this, measure the length and width of each room. For some oddly shaped rooms, you may need to divide it up into two or more rectangles and then add the square footage of each rectangle together to get the total area of the room. Exclude closets from your calculations.

2.       Convert area to BTUs

For each room, convert the area you just calculated into how much energy will be needed to cool them, which we measure in British Thermal Units (BTUs). As a rule of thumb, multiplying square footage by 25 will yield the approximate number of BTUs needed for that space. So, a 200 square foot room needs about 5000 BTUs for proper cooling.

3.       Consider the variables

There are other factors aside from square footage that determine a particular room’s heating needs. These variables include the local climate, the number of people usually in the room at one time, the number of appliances operating in that room and how well the room is insulated. A good general rule is to add 4,000 BTUs to the total for a kitchen and 1,000 for a bathroom.

4.       Add it all up

Once you have the BTUs for each room, add them all up to find the whole house BTUs, which is generally how split systems are rated and labeled.

Keep in mind that this only yields an estimate, and that there are plenty of variables to consider when sizing an AC system. Hiring a Miami AC professional to do a load calculation is the best way to get an accurate assessment of your home’s cooling needs. Call Air On Demand today if you are interested in having a ductless system installed in your home!

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Tips for Upgrading Your Miami Central Air Conditioning System

Monday, July 2nd, 2012

Has that old central AC system finally kicked the bucket? Is it time to upgrade an older air conditioner to a newer, cleaner, (hopefully) better model? Whatever the reason you may be considering an AC replacement in Miami, consider these helpful hints before proceeding.

 1.       Look at efficiency

Energy efficiency is a key feature to consider when buying any new appliance, including an air conditioner. In fact, increased efficiency on its own can be enough motivation for some people to seek out a newer model. When shopping for your new central AC in Miami, pay attention to the SEER ratings for each unit. This numbers are a federal standard that indicates energy efficiency. Higher SEER rating = more efficient AC.

2.       Get the right size

You need an air conditioner with the proper capacity. One that is too small won’t be able to cool the whole house, and one that is too large will leave too much humidity in the air. Have a professional do a load calculation to properly gauge what size AC unit you need.

3.       Have ducts inspected

Take this opportunity to have the air ducts in your home professionally inspected. As long as you are upgrading to a new, tip top AC unit, you may as well be sure that your ducts are in tip top shape as well. This will help the new air conditioner to perform as well as you are dreaming it will.

4.       Replace everything at once

Much like your car’s tires, it makes sense to replace both the indoor and outdoor units of your central air system at once. That way they are both in operation from the same time and will work more efficiently together than two components from different eras. To optimize efficiency even more, consider a package system.

Of course, you will want to consult with a professional like Air On Demand throughout the process to ensure you get the right air conditioner for your needs and that it is properly installed. Although that point is mentioned in some of these tips, it bears repeating, because it is just that important to keep in mind.

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