4 ways 100% copper AC helps you save money


Cost is always a major factor while purchasing any machinery or electronic item. While the upfront cost plays a major deciding factor, it is important to keep the long-term operational, maintenance and replacement costs in mind.

Whenever you look to buy an air-conditioner, you should consider a 100% copper unit, where the indoor evaporator unit, outdoor condenser unit and all connecting pipes and tubes are made of copper.

Here are four reasons why a 100% cooper unit trumps all other options:

1. Lowers maintenance cost

The maintenance cost of any machinery can have a long-term impact on your pocket. A through and through copper unit can be easily cleaned with jet pressured water, removing any dust or impurities. Other alloy metals need harsher pressure cleaning, which would result in leakage and damage; hence, cost of replacement.

The other major advantage of having a 100% copper unit is that it works perfectly fine in just two full services in a year as compared to four required by other non-copper units. A copper condenser too lasts twice as long as seven years and more, whereas a non-copper condenser will have to be replaced about every three years. Over the lifespan of the unit, a 100% copper choice could help you save tens of thousands.

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2. Maintains star rating efficiency for longer

All air-conditioners are star rated with the Indian Seasonal Energy Efficiency Ratio (ISEER). The higher the star rating, the better the performance and lesser the energy consumption. Over a period of time, the performance of all cooling units depreciate; however, a 100% copper unit is able to withstand damage due to usage, environmental factors, etc. and retains star rating efficiency for a longer period of time. In fact, based on salt spray test to simulate life span of an AC, it was found that copper unit offers 15% more energy efficiency as compared to other alloy or non-copper cooling units in the long run, significantly reducing your power bills.

3. Lasts longer

Copper is a strong metal and extremely pliable, which means that copper especially used in connecting pipes and outdoor condenser units will last longer than other metals. Copper ACs are reliable and durable, helping you save on potential long-term repair costs. During installation, it can get around nooks and corners easily without damage, reducing cost on account of wastage.

Apart from the inherent ductile capabilities, copper is corrosion resistance. It can withstand weathering from humid and saline conditions, dust and pollution. While other metals are subject to corrosion that lead to leakages, copper does not get impacted by the environmental impurities. Hence, it offers a longer shelf life to your air conditioners coils.

4. Easy to repair


Any kind of damage to copper components, which is rare, can be easily repaired on site and re-used. Other metal alloys almost always have to be replaced. The recurring cost of buying and installing these components every now and then will significantly add to the operating cost of your unit as compared to using 100% copper units. Not to mention, you will be left without any cooling options every time there is a downtime.

Armed with this information, talk to the salesman and understand the best options for your needs when you go shopping for your next air-conditioner and remember to look for the 100% Cu sticker on the unit.


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India’s burgeoning middle class and affordable options for buying electronics means air conditioners (ACs) are now accessible to provide relief from the sweltering heat for most. Once the AC is bought, it is important to take a few steps to ensure its longevity and efficiency.

Here are six ways you can maintain your AC:

1.Clean your AC filters regularly

This is a simple, but highly effective tip. Outdoor units are prone to dust and dirt accumulation, especially in metro cities where pollution levels are high. This is especially critical for people suffering from allergies or asthma as dirty filters circulate dust in the house. Cleaning the filters can improve cooling as well as air quality drastically. It can also reduce compressor running time, while consuming less energy.


2. Keep thermostat away from heat:

Place your thermostat in such a way that is not subjected to direct heat from light fixtures, refrigerators or sunlight. As the thermostat senses heat, it will affect the cooling of the room. You will end up using the AC for a longer time than required. Regulate your thermostat range to ensure optimal usage. The ideal thermostat range for comfort cooling is between 24 degree Celsius and 26 degree Celsius. A change of 1 degree Celsius in the thermostat setting can impact your energy bill by three to five percent.

3. Shut the doors and windows

Keeping the cold air contained is crucial for the effectiveness of the AC. It will not overload the machine and minimize energy consumption. You can do this by shutting the windows and doors firmly and sealing up any gaps. Get blinds and thick curtains to keep the heat out. Keeping doors open and increasing the cooling area puts a strain on the compressor meant for a specific room size.

4. Invest in a 100% copper low maintenance AC

The benefits of a 100% copper AC are many. Did you know that in addition to ensuring efficiency and safety, 100% copper ACs are also very easy to maintain? A copper tube condenser can be very easily cleaned with just water pressure. This is not the case in alternative alloy condensers. The design of alloy condenser is such that there is very little gap between the tubes and fins. Hence, cleaning the dust, impurities and pollutants accumulated requires very high pressure. This leads to the leakage of alloy condensers, which need replacement in a span of three years. In comparison, copper condensers do not develop gas leakage as frequently. The accumulated impurities also hamper the heat transfer capability of alloy condensers and thus decreases its energy efficiency.

5. Use fans to circulate cool air

Using a ceiling fan along with the AC is another way to get the best cooling. It helps distribute cool air in all parts of the room and reduces the load on the AC. You will have your room cool faster without having to work the AC overtime, thus reducing electricity bill and the unit’s wear and tear.

6. Get your AC periodically serviced by professionals

Get an annual contract to get your AC serviced by professionals. Your AC will run well without giving any trouble for years to come. Here, again a copper AC will prove to be cost effective. On an average, a 100% copper AC requires only two regular service calls in a year, compared to non-copper ACs that need three to four services. In the long run, you will end up saving a substantial amount on servicing.

7. Install the AC unit in a shaded, spacious area

Protecting your outside unit from direct sunlight is important for the overall performance of your AC. Your unit should be installed where there is adequate space for cleaning and maintenance. Installing the AC in cramped spaces will provide little access to the outside unit, thus making maintenance difficult.

Follow these tips and enjoy a cool Indian summer!


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Basic Parts of Split Room Air Conditioners


The main function of air conditioner is to maintain comfortable indoor environment. Air conditioners deliver comfortable indoor environment by delivering the following three functions:

  • Maintaining comfortable room temperature
  • Maintaining humidity levels
  • Evenly distributing air across the room
  • Delivering filtered pure air inside the room.

Air conditioners rely on the fundamental property of gases to cool the surrounding air. As the pressure on the gases decreases, they expand and cool; increasing the pressure makes the temperature rise. These changes can also be called as evaporation and condensation. Thus, the two components of split air conditioners are known as evaporator unit (indoor unit) and condenser unit (outdoor unit).



The outdoor unit of split room air conditioners contains the most important parts of split room air conditioners such as condenser, condenser fan and compressor amongst others.

Function of a compressor in air conditioners is very similar to a human heart. It compresses the refrigerant by increasing its temperature and pressure before sending it to the condenser.

Condenser Coil
The high temperature and high pressure refrigerant from the compressor comes in the condenser where it has to give up the heat. Condenser coils typically made of copper or other metals that easily transfer heat. Your air conditioner runs more efficiently when excess heat leaves the system quickly, so keeping the coils clean will lower your utility bills and lengthen the lifespan of your air conditioners. Outside units are susceptible to collecting dust, pollen and other debris, but they are easier to clean than interior coils. Keeping the coils clean is vital to proper heat exchange. When dust and debris collect on coils, the particles form an insulating layer that prevents refrigerant to condense. It is very important to note that it is very easy to clean condenser coils made of copper tube and aluminium fin due to its design. On the other hand, cleaning a coil made up of alternate materiel is really difficult and this leads to dust choking, gas leakage and drop in efficiency and thus affects the life of the room air conditioners, increases your electricity and maintenance bill.

Condenser Cooling Fan
The heat generated within the compressor has to be thrown out else the compressor will get too hot in the long run and its motor coils will burn leading to complete breakdown of the compressor and the whole air conditioner. Further, the refrigerant within the condenser coil has to be cooled so that its temperature becomes low enough to convert the gas into liquid form.


The connecting piping which connects the indoor and the outdoor unit is made of copper tubing. The refrigerant at low temperature and low pressure leaves the capillary tube enters the evaporator or the cooling coil at the other end.

The connecting tubing is made up of copper since it is highly ductile and malleable element. The copper tubing can be easily bent as they are flexible enough so they can turn into angles and connected easily. The copper tubing used for condenser and evaporator facilitate high rate of heat conduction.



Functioning of the indoor unit results into cooling effect inside the room. The connecting tube supplies liquid refrigerant to the evaporator coil through expansion device called capillary tube. The hot air from the room passes through the evaporator coils leading cooling effects. The evaporator coil is a copper coil made of number turns of the copper tubing with one or more rows depending on the capacity of the air conditioning system. The cooling coil is covered with the aluminium fins so that the maximum amount of heat transfer takes place and room is delivered with cooled air. Your AMC service provider cleans evaporator and condenser coils and thus enabling it to perform at its best.


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8 ways 100% copper helps your AC perform better


In the urban jungle, an air-conditioner is a necessity. There are many factors to be considered while zeroing in on the perfect cooling unit for your needs. While the tonnage, price and star ratings are common pointers on any check list, the lifespan and long-term performance of your AC depends on two key parameters – the star rating and the choice of metal used in the cooling system.

While all air-conditioners use copper tubes for indoor components, there are alternatives available for outdoor units. When purchasing an AC look for the ones with 100% copper, where all three – indoor unit, outdoor unit and all connecting tubes are copper based.

Here are eight ways how copper can amplify the performance of your air-conditioner.


1. Heat transfer properties

Transfer of heat takes place in the air-conditioning coils; hence, it imperative the metal has good thermal conductivity. Copper has an electrical conductivity and heat transfer co-efficient that is superior to most alloy metals, registered at almost eight times than that of other common metals used for condensing coils.

2. Corrosion resistance

Corrosion can damage the non-copper coils, which negatively affects the heat exchange process and can cause leakages as well, in turn drastically shortening the lifespan of your air-conditioner. Humid, saline air, dust and pollution can further aggravate the process. Copper is far more resistant to deterioration than most alternative alloys used in air-conditioning.

3. Reliability

Copper is considered a semi-precious, nonferrous metal that offers great strength, while being extremely light and malleable. Not only does it provide robust durability to your air-conditioning system, it also make it much easier to make repairs on-site. In comparison, other alloys will need to be replaced in the eventuality of a malfunction.

4. Efficiency

All air-conditioners are graded by the Bureau of Energy Efficiency (BEE) and display an energy efficiency rating basis the number of stars. The higher the number of stars (up to a maximum of 5), the better the energy efficiency of the unit. With standard wear and tear, the efficiency of a unit drops for obvious reasons. However, lab tests have proven that a copper-based unit continues to remain far more productive than non-copper units. After a slat spray of 1,000 hours (equivalent to 3 years), the performance of a copper-based 5 Star AC drops to a 3 Star, while a non-copper unit drops all the way down to 1 Star!

5. Ease of maintenance

Condenser units are usually placed outdoors, prone to dirt and dust accumulation, changing weather conditions, and other vagaries such as debris and nesting birds. With the advantage of being durable, a simple jet of pressurised water can easily clean copper coils, which other alternative alloy condensers may not be able to withstand.

6. Low cost of maintenance

All of the reasons above make copper ACs a far more steelier and cost effective option. While alternative alloy or non-copper ACs require  four services in a year, a copper unit gets the job done in two, halving your standard cost of maintenance and time spent. Similarly, the condenser for a non- copper AC needs to be replaced in about two to three years, whereas a copper AC runs effortlessly for over five to seven years.


7. Environment friendly

Using copper tubes not only enhances operational efficacy, it also reduces harmful emissions from the AC unit. Non-copper based units are prone to leakages every couple of years, with the possibility of releasing refrigerants such as R22 and R410A in the atmosphere, which can have a hazardous impact on the environment. On the other hand, leakages issues in Copper-based units are minimal and thus these units are at a far lesser risk of impact the environment with leakage of harmful refrigerants.

       8.Safe and clean air

The U.S. Environmental Protection Agency (EPA) has validated that copper has antimicrobial properties. Copper has the ability to inactivate airborne pathogens in HVAC (heating, ventilating and air-conditioning) surroundings. The metal’s ability to neutralise various water and air borne bacteria does not deteriorate with usage. Our elders have, however, known this for centuries, ergo the copper based drinking vessels still found in most Indian households.

An air-conditioner is a long-term investment. The next time you go looking for one, choose a 100% copper unit that will deliver efficient performance over the long-term, be easy on the pocket when it comes to maintenance and power bills, and provide a clean and healthy solution for your family and the planet.


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7 things to check while buying an AC


Air conditioners are amongst the hottest selling items (pun intended) in the home appliance segment. With rapid advancement in technology, air-conditioners today do a lot more than just throw cool air. Tens of brands have hundreds of different variants to choose from. While we are spoilt for choice, it is essential to measure certain parameters before you zero in on the unit. Keep this checklist handy the next time you set out in a quest for a new air-conditioner.


The cooling requirement of the space determines the tonnage for efficient cooling and long-term performance. As a rule of thumb, you will need an AC of 1 tonne for an area of 100-120 sq ft., 1.5 tonnes for anything between 150 and 180 sq ft. And up to 2 tonnes for rooms as big as 240 sq ft. Heat load in the room also plays an important role in deciding the right tonnage for your room. Heat load is impacted by the number of electrical appliances in the room, exposure of the room to direct sunlight for major part of the day, average occupancy of the room in terms of number of people, and the number of doors and windows in the room.

AC 4

2. Window unit or split AC

Window ACs, as the name suggests, have the unit with all the components, connecting pipes and tubes bundled in a single box installable on a room’s window. A split AC, on the other hand, has two separate units. While the indoor unit has the cooling coils, blower and air filter, the outdoor unit houses the compressor, condenser coils and other capillary tubing.

While a window AC is usually cheaper and easier to install, split units are aesthetically pleasing, provide more cooling options, and are efficient and much quieter.

3. Star rating

Look for the energy star rating offered by the Bureau of Energy Efficiency (BEE) on the model you intend to purchase. The ever increasing cost of power can make the operating cost of the unit a lot more expensive over the lifespan of the AC. It is recommended to opt for a four or five star rated AC. The higher the BEE star the unit has, the lesser electricity it will consume.

4. 100% copper advantage

The choice of metal used in the condenser unit, evaporator coils and connecting tubes impact the long-term functioning and operating cost of your unit. 100% copper units offer a superior cooling experience as copper is a great thermal conductor, helping save on power cost.

The durability that copper offers ensures that all components can easily be cleaned with a water spray and perform optimally with just two services a year as compared to four services required by other non-copper units. Copper condensers are also known to have a lifespan almost double than that of other alloy/ non-copper condensers.

Over a five-year lifecycle, 100% copper ACs are about 17% to 20% cheaper to run than other ACs.

5. Inverter or fixed speed ACs

It is important to first understand how inverter and fixed speed ACs work. In a fixed speed AC, the compressor motors run either at full speed or minimum speed. In simple words, the compressor of fixed speed with run at full speed till the room temperature goes little below the set temperature of the AC and then switch off. As the room temperature goes above the set temperature, the compressor again will start at full speed and this cycle continues. On the other hand, the compressor of inverter AC runs at variable speed depending on the cooling requirement of the room. In simple words, when the inverter AC starts to cool the room at set temperature, it starts at full speed. Post that depending on the cooling of the room and its heat load, the speed will keep adjusting. Inverter ACs consume less power as the compressor runs at an optimal speed. With a fixed AC, the compressor runs at full throttle till switched off. The constant process of switching on and off gobbles a lot of power.

Most of the 5 Star and 4 Star ACs offered in the market in India are based on inverter technology and 3 Star and below ACs are dominated by fixed speed ACs. The selection of inverter or fixed speed ACs is dependent on the total number of hours of usage in a typical day. Ideally, for higher number of hours, inverter ACs are advisable.

6. Installation and maintenance

Look for options that are convenient to install and easy to maintain. The greater the distance between the blowing unit and the condenser, the more your installation cost is going to be. The average cost goes up by Rs 200-300 per sq ft. for additional tubing and electrical wiring.

If you are looking for low maintenance ACs, opt for 100% Copper Advantage ACs. Copper ACs are resistance to corrosion and hence have very low failure rate in terms of gas leakages. Second advantage of copper ACs is they are easy to clean during regular service. A simple spray of water on the outdoor unit can get rid of major impurities settled on the condenser coil. These impurities, if not cleaned, hamper the cooling efficiency of the ACs. On the other hand, condenser coil of non-copper ACs are prone of corrosion and hence, have half the life as compared copper condensers. They are also difficult to clean due to their design, which has a minute gap between fins. Hence, the impurities are not cleaned fully, resulting in failure and damage.

7. Brand and price

A multitude of websites and blogs across digital platforms now allow us to see specifications of the unit, performance, user review and feedback on after sales service along with the option to compare models. Do your due diligence online by comparing various available models and make a decision based on your requirement and budget.


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