When it comes to AC, you have a lot of options. You should consider a number of factors, such as cost, energy efficiency, and installation.
These factors will help you make a decision that is right for you.
However, it is important to keep in mind that not every AC system is created equal and not every machine has been installed correctly.
1. Energy Efficiency
AC systems are major energy users. Their use can increase the operating costs of a home by as much as 50%. They also account for a significant portion of the peak power demands in many countries of the OECD.
These peaks in demand are costly for utilities to meet. Therefore, the higher the SEER rating, the more energy-efficient the AC system will be.
There are several programs that aim to improve the energy efficiency of AC systems. These include the Energy Star Program in the US, the Energy Conservation Act in India, and the Top Runner program in Japan.
In China, the government began a similar labeling program in 2005. It classifies appliances according to their energy efficiency rating (EER).
The government also provides subsidies to those who want to increase the energy efficiency of their AC. In the near future, China expects the EER of AC to increase to 3.2 from 2.6 in 2005.
This increase is equivalent to a 5.3% annual improvement. Meanwhile, Japan’s Top Runner program has been credited for improving air conditioner energy efficiency by 3.7% per year.
The program has led to a more profitable market for AC systems. Another metric to measure cooling efficiency is the seasonal energy efficiency ratio (SEER).
This measure is based on the amount of energy a cooling system removes for each BTU of power that it consumes. The higher the SEER, the more energy-efficient the AC system.
2. Installation
Before you start the installation of AC, you will need to determine the type of system you want. Some units are more expensive to install than others.
The installation of a total AC system must be done in compliance with the manufacturer’s installation instructions. The system must also comply with all applicable governing authority codes and guidelines.
It should be done by a qualified tradesperson or company. If air conditioning contractors do not meet these standards, the Owners Corporation will be responsible for making good on any damages caused during installation.
The Owners Corporation is not responsible for emergency maintenance or electrical supply.
One of the most popular styles is side back-to-back installation. This method is used for apartments and is usually the easiest to install. For this style of installation, the external unit is located on the balcony or other outside wall.
It must be installed at least 20 cm away from the walls of the apartment. The pipes running to the external unit must run along the side of the unit.
3. Maintenance
Regular maintenance of your AC system is essential if you want to make sure that it is in top working condition.
This process will help you avoid emergency breakdowns of your system and keep it efficient, thus reducing your energy bills. In addition, it helps you keep a clean environment and lower your carbon footprint.
AC maintenance includes inspection of various components, including filters and cooling coils. It also involves checking pipework and lagging.
In addition to checking these components, you should inspect the area around the AC unit. You should also check fan guards and anti-vibe mounts.
Additionally, you should calibrate alarm set points, fan scrolls, and three port valves to ensure they are working properly.
You must always ensure that the engineers handling the maintenance of your AC unit are certified.
These companies must hold a Stationary Equipment Qualification Company Certificate issued by Refcom, the Department for Environment, Food, and Rural Affairs.
This certificate identifies their competence in providing maintenance and servicing of AC systems.
4. Cost
Adding AC to your home can be expensive. Installation costs can run from $3,979 to $11,180, depending on the system you choose, the number of units you need, and the overall efficiency of the system.
The size of your home will also play a role in the cost of your AC system.
The first step in choosing an air conditioner is to determine how much space it will need to cool.
In many cases, a smaller unit will work. Getting an energy audit done is a smart move, too. This service will help identify where you’re losing energy and plan solutions to cut costs.
For about $145 to $420, an energy audit can save you money on your AC installation. The price of central AC depends on a few factors, including the size of your home.
Bigger homes typically require larger central AC units. Also, the age of your home is important. If you live in an older home with outdated ductwork, you may have to invest in repairs to make your air conditioner work properly.
Another option is to use a ductless mini split system, which doesn’t require any ductwork.
5. Environmental Impact
AC provides much-needed relief from hot weather, but it uses vast amounts of electricity. According to this article, the average room air conditioner uses 10 to 20 times more electricity than a ceiling fan.
This increased demand will lead to billions of dollars in infrastructure investments and tons of carbon dioxide emissions.
First of all, AC systems emit harmful gasses, including hydro-chlorofluorocarbons (HCFCs). These gasses trap heat and contribute to ozone depletion.
Although the Montreal Protocol has banned these glasses, they could still have an impact on global warming. By the year 2050, AC emissions will account for 27% of global warming.
Refrigerant leakage is another way that AC systems can affect the environment. Refrigerants are man-made chemicals that facilitate heat transfer.
However, when leaks occur, all refrigerants have a negative effect on the environment. In particular, the R410A refrigerant is particularly problematic because it has a 2088x greater global warming effect than carbon dioxide.
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