Sunlight turns into heat after it enters your room, and having direct sunlight on you can make matters much worse. If you need to purchase a 9,000 BTU air conditioner for a 350-400 square foot room, you might be able to buy a 10,000 BTU or 12,000 BTU air conditioner instead under certain circumstances (please contact a professional to advise you on this), as these will cool your room quicker. That would cost: $27.36 at an electricity rate of $0.12/kWh (this is the average electricity rate in the U.S.). Arduino Tutorial: Controlling Arduino GPIO Pins, Introduction To PWM: How Pulse Width Modulation Works, Sample Code: MSP430 PWM Example (For The MSP430G2553), Sample Code: Build A PWM LED Dimmer For $12 (Using An MSP430), EFM8 Timer Tutorial: EFM8 Busy Bee Timer Example. Miguel Mores worked for 5 years as a member of the product management team for a home appliance company in the Philippines. People with smaller units may not want to turn them off because they might take too long to cool back off when they return. In some cases, very large units have a slightly lower EER (this means that they use more energy) than the average unit. Almost all new household air conditioners use R410A, so theyare easy to find. There are uncommon air conditioner sizes in the 12,000 to 18,000 BTU range, including 13,000 BTU, 14,000 BTU, 15,000 BTU, and room size calculations sometimes yield results that dont match any unit (or extremely rare units) on the market (such as 16,000 BTU). The Capacity Btu/h rating is just the air conditioners cooling capacity, measured in BTUs. Look for the unit size that corresponds to the room that you are cooling below (for example: if your room is 500 square feet and is located in the United States, you would skip to the 12,000 BTU section). We can now conclude that the EER of this unit is 9.47 by dividing the BTU/h rating (18,000) by the standard power input rating (1900). Calculating aircon power consumption is quite simple, and some basic arithmetic will suffice. Furthermore, factors such as the size of your air conditioner, the Energy Efficiency Ratio, the size of your room, the units running condition, and the type of AC unit you are using all impact the overall power usage. We will also assume that you will use your aircon for 8 hours every day. Insulation operates by impeding the transfer of heat into or out of the house. You spend more than 8 hours per day at home. Keep in mind though that window type aircons differ in wattage depending on their capacity. Therefore, using your aircon for 12 hours a day adds up to an additional 4138.2 Php per month in your power bill! Also Read: Heater Power Consumption, Ordered By Unit Size. By Nicholas Brown Follow me on Twitter. It wont draw this much current for more than a few seconds, and is therefore irrelevant to your electric bill. 1) Horsepower How much is needed? You can buy 12,000 BTU air conditioners, or just browse them ordered by energy usage with the help of our air conditioner finder. The cost of ownership is determined by how much power the air conditioner uses over time, so this is the cumulative power consumption. Neither unit is a reliable measure of an air conditioners cooling power, though,, 1 hp(E) = 746 W = 0.746 kW. Horsepower. You can determine and average the power consumption of your air conditioner using a Kill A Watt or similar energy use monitor and compare its energy usage to that of modern units, as well as the figures provided herein. What Is An Automatic Voltage Regulator (AVR)? What is Social Security tax withheld on W2? How much power does a 1HP air conditioner use per hour? For the following data, we will be using this list from the Department of Energy (DOE). This can significantly reduce the load on your air conditioner, hence lowering your electric bill. 1 hp = 745.7 watts. Needless to say, it will have a big impact on yourelectricity bill. The 318-wattaverage mentioned (source: U.S. DOE) adds up to 228 kWh per month. Example scenarios in which you should buy inverter air conditioners, and in which they are most likely to pay for themselves in a reasonable time period. So, if you have a 1 HP air conditioner, multiply 746 Watts by the number of hours you use it per day x [your energy providers rate], then add 12 percent VAT x 30 days. The key one is the size of the room youre cooling, and the unit size is dependent on your room size. Based on this calculation, you may determine if the cost is reasonable or if you need to reduce your air conditioning consumption. Inverter air conditioners are more efficient than standard models. For a room 20m2 to 30m2, a 3.5kW unit should cool the room; For a room 30m2 to 45m2, a 5-6kW unit should cool the room; and. How To Recover Data From A Formatted Drive, Run A Program On Startup On A Raspberry Pi, Stores That Accept Bitcoin As A Payment Method, What Is QuickSwap? Otherwise, you might waste time trying. The EER is the ratio of an A/C units cooling capacity to its wattage. The power consumption of air conditioners is determined by two factors: Runtime, or compressor speed. For example: If you have minimal lighting (one bulb per room with no recessed lighting), then lighting should account for a lower percentage of your energy usage. In the United States, the power consumption of 24,000 BTU household air conditioner units averages 228 kWh/month (according to the Department Of Energy), and these units are recommended for rooms ranging from 1,400-1,500 square feet, but that isnt a requirement. The energy usageof the fans in the range I recommended is usually 50-100 watts. Thermostat temperatures above 25 C are assumed. Check the horsepower of your machine and convert it to Watts (1 HP = 746 Watts). All cost figures on this page refer to electricity cost unless otherwise stated. As mentioned, this varies depending on several factors. A sturdyawning installation can block quite a bit of sunlight, which would otherwise heat up your house quite a bit. INPUT CONSUMPTION is the initial startup power consumption. For that reason, they are still a good option (not that you have much of a choice, as some rooms require units of this size). It indicates that this is an 18,000 BTU unit. Knowing how to do this is useful because, at the end of the day, you can only improve that which you can measure. Bitcoin Miner Power Consumption: How Much Energy Do Bitcoin Miners Consume? 5 Types of Aircon: Which One Should You Get? Air conditioner installation. Room size is also an important factor, but generally more rooms translates to a higher HVAC bill. The condenser compresses the refrigerant and circulates it through a series of coils. You can also purchase the air conditioners using the links provided. The power consumption of 9,000 BTU air conditioner units ranges from 800-900 watts (if a 9,000 BTU A/C unit consumes more than900 watts, it is inefficient and you should look for a better model). The difference between 11 and 12 isnt particularly significant, though, so be sure to get a unit that is offered with solid support (this entails buying it from a reputable store that offers free repairs within a reasonable warranty period). The power consumption of inverter air conditioners can be controlledin real time because increasing the thermostat temperature decreases compressor speed, thereby reducing power consumption immediately. Are Air Conditioners Expensive To Operate? How much horsepower do I need for my air conditioner? However, if you have several high-wattage incandescent light bulbs per room, that could quickly add up to a massive electric bill. Due to the limitations of the data set, only non-inverter models are presented here. Top Aircon Brands in the Philippines and Where to Buy Them, These trusted appliances do far more than just keep your room cool. You can reduce energy usage by only turning on the AC in the room that youre going to spend most of your time in for the day (that could be your home office or bedroom, for example). Bear in mind that you should not purchase an oversized unit, as this may compromise the air conditioners performance and even promote mold growth due to excessive humidity. That is the units wattage. 1 hp = 745.7 watts. If your house is heavily shaded, you may reduce the capacity by 10%. The current rating of 24,000 BTU air conditioners is often in the range of 8.4 amps to 12.7 amps. This means that the energy usage of a 24,000 BTU air conditioner could, in practice, be lower than that of a 12,000 BTU unit (assuming it is used in the same room). How many watts does an air conditioner have? This amounts to an average cost of $27 USD/month. In such cases, your installer might recommend a slightly (or even considerably) larger unit (such as an 18,000 BTU unit) if thats all they can find. For example a 1000 watt AC running for 5 hours will consume 1000 watt x 5 hours = 5000 watt hours = 5 kilowatt hours of electricity = 5 units of electricity. We use cookies to ensure that we give you the best experience on our website. Lost your password? Fortunately, room air conditioners come with an EER rating. Are Microwave Ovens Safe? Installing insulation can dramatically reduce air conditioner power consumption by keeping heat out. Understanding Android Permissions: An Android Security Guide. Air Conditioner Condensing Units. He now works in the digital marketing field and manages a small online bookstore on the side. You can set your thermostat temperature, so they will cycle on and off as needed to maintain that temperature. 1. Therefore, the average cost per hour of an inverter aircon may fall between just Php 4.13 to Php 8.60. Lets use the metropolitan rate PHP 13.7580/kWh. Inversely, household insulation can also reduce heater energy usage during winter by keeping the cold air outside from leeching the heat out of your house. If youre only air conditioning one room, the cost of operating an air conditioner would be dramatically lower than if you were air conditioning 3 or more rooms. 5,000 BTU air conditioners are recommended forrooms less than 200square feet (ideally less than 150 square feet). Insulation R-Value: The R-value of insulation is a measure of how effective it is. Converting 1 HP to Watts will give us: 1 HP = 745.7 or 746 Watts to round it up. It indicates that this is an 18,000 BTU unit. Since energy providers use kilowatt-hours (kWh) in their power rate, we need to convert the watt figure to kilowatts (kW) if we want to calculate the estimated power consumption of a certain model. We use cookies to ensure that we give you the best experience on our website. One way to do that is to check the listings for those units on our appliance finder, which sorts units by their electricity consumption, and provides a monthly power cost estimate. These units are typically in the 9-10 EER range, so the wattage of most of 28,000 BTUunits ranges from 2,800 watts to 3,100 watts. Clearing an obstructed evaporator can reduce air conditioner power consumption. The power consumption of air conditioners averages 318 watts (hourly, for a 24,000 BTU unit) in most American households. Disclaimer: The information provided below is not intended for budgetary purposes, it is estimated. Inverter Washing Machine vs. Non-inverter Washing Machine: Is It Worth It? A/C units with an EER of 12 are so common that you wont have any trouble finding them. How much does an inverter aircon cost per hour in the Philippines? This does not include inverter air conditioners. The label of an 18,000 BTU air conditioner. You can also purchase the air conditioners using the links provided. For environmental reasons, ensure that the refrigerant (marked REFRIG on this unit) is R410A, and not R22, as R410A wont cause ozone layer depletion. Please dont buy air conditioners with an EER below 11 (in other words, dont buy anything with a wattage exceeding1,090 Watts) if youre shopping for a 12,000 BTU unit. If you continue to use this site we will assume that you are happy with it. You can also adjust the temperature of the room fairly quickly with inverter units, as the until will turn itself down immediately (but it will take a moment for the room temperature to change). Tower Fan vs. Here are eight more reasons to get yourself one if you havent already. This includes 9-5 jobs, as well as all night shifts, assuming that youre at home in the days. Small units take long to cool off if used in rooms larger than the recommended size, so you may be reluctant to turn them off because you wont want to wait for them to cool back off later (this is a terrible waste of energy). If you have a unit in every room, or central A/C, it may be tempting to keep the house cool, as some would put it, but that is costly. A congested evaporator may freeze, dramatically reducing efficiency and rendering your air conditioner a paperweight. R22 units are also getting more expensive to repair because that refrigerant is being phased out/is increasingly scarce. Inverter units, on the other hand, adjust the speed of their compressors in response to cooling demand using techniques and technologies such as PWM and variable frequency drives (learn about PWM from Kompulsas PWM guide). For large rooms, I would recommend a standing fan which is at least 16,but no morethan 20 to keep noise levels and power consumption down. You can find and buy the most energy-efficient 5,000 BTU air conditioners with the help of, You can buy 9,000 BTU air conditioners, and find the most energy-efficient units ordered by energy usage with the help of, You can find the most efficient 24,000 BTU units (sorted by monthly energy usage). Always go for the best! To cut to the chase, I listed the models with the lowest wattage in its capacity here: Most of these models are available through Lazada, go check them out! Convert this to kWh since thats how electric companies measure electricity in the Philippines: Multiply the amount by the cost per hour according to your provider. This worked incredibly well for me. The amperage of 12,000 BTU units I checked ranged from 3.5 to 5.1 amps (these current ratings were obtained from the specifications of five different 220 volt models, including both inverter and non-inverter air conditioners). With better technology, some machines are able to remove 10,000 BTU/hr of heat with the same capacity. Understanding the Energy Guide Label (EEF and EER Label) Philippines, How to know the wattage of a window type aircon, Wattage and power consumption of window type air conditioners per capacity. Whats the difference between HP and kW in an air conditioner? Despite their relatively-low efficiency, these units are among the most widely used (possibly because they cool rooms very quickly, as well as the popularity of the open floor plans). Well choose PHP 13.7580 for this example because thats what the power provider charges per kWh in the metropolitan area. This includes both inverter and non-inverter units. You should skip to the section that corresponds to the unit size required by your room. You could waste 16% more energy for every degree (Celsius) that you turn down your thermostat temperature below 25C, or 8% more for every degree Fahrenheit you turn it down below 78F. They are usually window units. On a more general note though, heres how you do it: The average cost of aircon consumption per hour in the Philippines is Php 11.495. Image credit: iStock.com/JPWALLET. Whats The Difference Between An SSD And A Hard Drive? Inverter Refrigerator vs. Non-inverter Refrigerator: Is It Worth It? $45.60 (41.87)at a rate of $0.20/kWh. . Convert 10 hp to kW: P (kW) = 0.746 10hp = 7.460 kW . i.e. The EER is normally printed on the yellow energy label, if any. Power consumption is determined by the units runtime in hours multiplied by its wattage. Next, multiply 746 by the total number of hours the air conditioner is in use: How much does aircon cost per hour in the Philippines? There are units with EERs greater than 11 for well under $800 USD. Use it at your own risk. LED Power Consumption: How Much Energy Do LEDs Consume? Ask Teko: Is an Inverter Aircon Worth it? An inverter air conditioner might provide energy savings up to 60%, depending on the circumstances. Because 1 kW = 1,000 watts, 1 hp = 0.7457 kW. Buy a standing fan and point it at yourself. For example, a 1HP ac unit consumes 746 watts. When searching for the suitable aircon unit, you must consider, While no one is keeping you from walking into one of the appliance stores in your area, its always a good idea to do some further research to determine precisely what you need. The best thing you can do efficiency-wise is to find the highest EER for the unit which matches your room best. Due to the exceptionally high power consumption of air conditioners,its ideal to purchase a unit with an EER above 11. 28,000 BTU units are intended to cool rooms up to 1,900 square feet (bear in mind, that this does not include rooms in megathermal/tropical climates). if you want to calculate its power consumption. 12,000 BTU units are recommended for rooms ranging from 450-550 square feet. The power consumption of1.5 ton air conditionerstypically ranges from1,470 watts to 1,614 watts, and have EERs ranging from 11 to a little over 12. For smaller rooms, there are deskfans well under 16 (youll most often see 8 ones), which may be adequate if you use them on your desk (right beside you) as intended, or if your room is just slightly too warm. If you are particularly sensitive to the monthly operating cost of your air conditioner, you must know the wattage of an aircon model before you buy it.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'101appliance_com-medrectangle-3','ezslot_1',139,'0','0'])};if(typeof __ez_fad_position!='undefined'){__ez_fad_position('div-gpt-ad-101appliance_com-medrectangle-3-0')}; Using data that Ive collated and analyzed, the wattage of window type air conditioners is1,118W per hour(or 1.118 kWh)on average. I find these convenient because I can just pick them up and carry them to whichever room im going to. Therefore, a 24,000 BTU[PDF] unit with an EER of 10 draws 2,400 watts (24000 / 2400). Ubuntu Commands: A Cheat Sheet With Examples, How To Run A Command In Ubuntu Without The Terminal, RedHat Linux Cheat Sheet: Common RedHat Commands, Run A Program On Startup (Console On Ubuntu 18.04), Switching To Linux? The optimal management of motor activity provided by Inverter Technology leads to the elimination of unnecessary power usage. Assess the air conditioner horsepower you need based on your rooms floor area. Either youre thinking about buying a new aircon, and youre concerned about its future impact on your expenses, or youve had one for a while, and now youre staring at your electric bill, wondering how much of that is caused by that particular appliance. A 2.5 HP aircon will use about 2,700 watts, while an aircon unit with 0.5 HP will use 600 watts. You will receive mail with link to set new password. These are easy to find. Some inverter air conditioners have variable speed fans which utilize the same PWM motor control technology. Metric horsepower to kilowatts. Are you wondering about your aircons power consumption? In general, an inverter air conditionerwill pay for itself most quickly if you normally use your air conditioner for extended time periods. It wont draw this much current for more than a few seconds, and is therefore irrelevant to your electric bill. TIP 1: Match your aircon horsepower (HP) to the size of your room. What percentage your air conditioners power usage of your overall household energy usage is determined by what kind of appliances you have. Heres a quick guide: Floor Area (in square meters) / AC Unit Size (Horsepower) 10.5sqm: 0.5 hp; 11 to 14sqm: 0.75 hp; 15 to 21sqm: 1.0 hp. NB: The air conditioner sizing data below does not apply to megathermal climates and assumes 24 hours/day usage. 12,000 BTU air conditioner units consume 991 (EER: 12.1) to 1,333 watts (EER: 9, which is a bit low for these units, by todays standards). If the room has direct sunlight, it might need bigger HP to bring the temperature down. An example of a window-type aircon electricity calculation is shown below. Please enter your email address. Kilowatts (kW) and horsepower (hp) are both measures of power, and converting one to the other is a matter of multiplying by a conversion factor. This data was obtained from the labels of six 220 volt units of the following brands: Pioneer, Senville, General Electric, Friederich, Haier, and LG. Assess the air conditioner horsepower you need based on your rooms floor area. The average energy usage of the common 24,000 BTU air conditioners is slightly higher because they provide fewer BTUs of cooling capacity per watt of energy consumed. Save my name, email, and website in this browser for the next time I comment. Of all the electrical ratings printed on the label above, the only one relevant to your electric bill is the one marked STD INPUT POWER. After seeing the power consumption data above, you may be concerned about the high energy usageof air conditioners, but dont worry This can be reduced substantially with the following tips (which are intended specifically for residential air conditioners, although they may be helpful in other cases). If possible, pointing the A/C vent at yourself is a way to take advantage of the energy-efficient evaporative cooling effect that fans provide, and the A/C unit will dedicate a greater percentageof its capacity to cooling you, rather than wasting it on the furniture in the room. Well convert 8952 Watt-hour to KiloWatt-Hour (kWh) because we live in the Philippines, and thats how power gets measured here: The next step is to determine how much your electricity providers cost is. To determine the average power consumption of your own air conditioner, you can plug it into an energy use meter. Normally, 1.0hp should be sufficient for a standard room and 1.5hp for a standard size living hall for apartments or landed terraced houses. Image obtained with thanks from chooyutshing on Flickr. 9,000 BTU A/C units are recommended for rooms that are 350-400 square feet (this average applies to both window and split units). Teko is a technology startup innovating the mobile and appliance service industry. The power draw of a unit that size ranges from 1,800 to 2,500 watts in most cases. Proper usage habits and regular maintenance will determine whether your electricity bill will be high or low. $0.20 is a common ratein Europe (many European countries are in the range of $0.19 to $0.25/kWh). Only turn on the fan if you are going to compensate for its power consumption by turning up the thermostat temperature. Or when in doubt, consult your air conditioner dealer. How To Determine Air Conditioner Efficiency. PWM enables them to operate at low speeds (which results in low power consumption, and low noise levels) when cooling demand is low, and they dont have to operate at full speed all the time. Or when in doubt, consult your air conditioner dealer. Air conditioner power consumption trumps that of most appliances. (1 kWh of electricity = 1 unit of electricity) Electricity Tariff Electricity tariff is the amount the electricity provider charges you for one unit (kWh) of electricity. He started 101appliance to answer the most common customer questions that he has encountered during his time in the industry. Reduced, Summer is on its way, and many are preparing to buy air conditioners for their homes. However, smaller air conditioners may end up costing you more due to common habits. So if you have 1 HP AC then, 746 Watts X Number of Hours Used X [Your electricity provider rate] X 12% VAT X 30 Days. As is the case with the 24,000 BTU, the EER of these units is not the best, but larger units do tend to have lower EER ratings than the smaller ones. The Capacity Btu/h rating is just the air conditioners cooling capacity, measured in BTUs. One horsepower is equal to 0.7457 kW, and one kilowatt equals 1.337 hp. As the temperature goes up, the need for cooling equipment becomes more apparent. Always remember that this isnt the units cumulative power consumption, this is the wattage (if they are operating at their maximum settings. How To Stop Your Washing Machine From Shaking, 13 Air Conditioner Energy Saving Tips [INFOGRAPHIC]. If you continue to use this site we will assume that you are happy with it. People often buy 5,000 BTU air conditioners for college dormitories and small apartments. Standard air conditioners switch on at full speed (resulting in higher noise levels), cool the air, and then shut themselves off. 0.8 Ton Split AC 0.8 kW per hour (Approx 0.8 unit per hour) 1.0 Ton Split AC 1.09 kW per hour (Approx 1.0 unit per hour) 1.5 Ton Split AC 1.56 kW per hour (Approx 1.6 unit per hour) 2.0 Ton Split AC 1.93 kW per hour (Approx 1.9 unit per hour). Your wallet will thank you later. Turning up your air conditioner thermostat temperature (substantially) will help you cool down using the evaporative cooling effect that fans provide. Heres a quick guide: Floor Area (in square meters) / AC Unit Size (Horsepower) 10.5sqm: 0.5 hp; 11 to 14sqm: 0.75 hp; 15 to 21sqm: 1.0 hp; 22 to 25sqm: 1.5 hp; 26 to 28sqm: 2.0 hp. Remember, a higher EER is better! One metric horsepower is equal to 0.73549875 kilowatts: 1 hp(M) = 735.49875 W = 0.73549875 kW. Multiply the air conditioners size in tons by 12,000 to convert its cooling capacity to British Thermal Units per hour. Over the years, weve seen how air conditioners have helped peoples lives. However, keep in mind that these are just estimations. The condenser and evaporator are not user serviceable, so its highly recommended that you call a contractor to clean them for you. EERs in the 12 range arent too hard to find, so buy air conditioners with an EER exceeding 12, if possible. The same applies to the filters. So the power conversion of horsepower to kilowatts is given by: P (kW) = 0.746 P (hp) Example. The room size recommendations below were obtained from the U.S. Department of Energy. Scenarios in which you should buy standard air conditioners. You came to the right place. Energy efficiency is one of the most important factors that consumers are taking into account when buying a new window type aircon. The basic rule of thumb is the bigger the room is, the higher the cooling capacity is required. 1 BTU/hr is the heat energy needed to increase 1 pound of water by 1F. In the case of a non-inverter/single speed unit, the compressor speed remains the same at all times and the unit shuts off when the desired temperature is achieved. The operational cost of an air conditioner is dependent on multiple factors. difference between inverter and non-inverter air conditioners. This is common, but not the best. The KwH consumption of air conditioners is dependent on the HP. This definition gives rise to the conversion factor between the horsepower and the watt. Inverter air conditioners provide a more convenient temperature control option that enables you to turn the unit up or down quickly without it cycling on and off all the time. What is the lowest wattage model in each capacity? Remember, a higher EER is better! When choosing an air conditioner, usually a 1 HP (horse power) equipment is able to remove 9,000 BTU/hr of heat. It can also be used to calculate fuel requirements for a trip and your MPG. An air conditioner consists of a condenser, a system of coils and a refrigerant. You live on a plane. Regular Electric Fan: Whats the Difference? The condenser compresses the refrigerant and circulates it through a series of coils. It also provides a (rough) monthly electricity cost estimate. How much electricity does a air conditioner use per hour? Try your best to turn on the A/C only in the room that youre currently in, and dont turn it on if youll only be in the room for a few minutes, because all that energy that went into cooling it off would go to waste. Here Are 5 Great Linux Apps For The Office, Quick Commands For If Youre Lost In An Arch Linux Installation, Refrigerator Power Consumption: Deciphering The Label, Washer Power Consumption: Deciphering The Label, Phone Specifications: Samsung Galaxy A20s, Air Conditioner Power Consumption: Deciphering. They typically draw 2,500 to 2,823 watts. Convert your aircons HP rating to watts. If you dont like having a fan blow on you all the time, set it to oscillate. This makes them more than worthwhilein regions with extremely high electricity prices exceeding $0.20/kWh, while savings are more modest (but still high) in regions with electricity prices below $0.10/kWh). 24,000 BTU A/C units are a littleless efficient than their smaller counterparts, with an EER range of 8.5 to12.5for new units (this applies to both split and window units). their lowest temperature setting and highest fan setting). We can now conclude that the EER of this unit is 9.47 by dividing the BTU/h rating (18,000) by the standard power input rating (1900). The lower it is, the longer the unit has to stay on to maintain that temperature. How many watts does a 1HP air conditioner use? You virtually (or actually) live at work. The average is only 318 watts because air conditioning units automatically cycle their compressors on/off as needed throughout the day. Some people travel so frequently that theyonly go home once in a while. We also used Meralcos power rate of 9.744 per kWh, which is the average rate of all residential Meralco customers[2]. You can also use the browser-based version of it. It also provides a (rough) monthly electricity cost estimate. 2022 Teko All Rights Reserved Privacy|Terms. Bear in mind that this article is not intended to help you to choose a unit size based on the average efficiency of that size unit. This means that if your room needs 28,000 BTU, you should still get a 28,000 BTU unit, but just find the most efficient 28,000 BTU unit you can. If you rarely use or need your air conditioner, you wont recuperate the extra fundsspent on an inverter unit easily, if at all. In this article, we will give you the average wattage of each capacity of window type aircon, how to calculate its power consumption per month, and what you can do to lower your aircons contribution to your electricity bill.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'101appliance_com-medrectangle-4','ezslot_3',152,'0','0'])};if(typeof __ez_fad_position!='undefined'){__ez_fad_position('div-gpt-ad-101appliance_com-medrectangle-4-0')}; You should know a particular models wattage.
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