Ice air conditioner - Follow simple steps to assemble: bond the modules to the heat sink, connect the wires, and test with a 12V power supply. Ideal for personalized cooling, this project combines practicality with the thrill of DIY, offering a satisfying and cost-effective solution to beat the heat. 23. DIY Air Conditioner Under $100.

 
Here's a problem you likely never thought you would experience: Ice on your HVAC in the middle of the summer heat. Don't worry though, it's actually much .... Galaxy watch 4 vs 6

AIR CONDITIONER INSTALLATION MELBOURNE. Air & Ice Pty Ltd is a family run Air Conditioning service and Refrigeration Installation business. We are based in ...0132 330 6162. Ice & Air are a loca, independent air conditioning Eastbourne based team of experts who have years of experience within the trade.At ICE Air Conditioning and Plumbing, we understand the importance of proper installation for your AC system. Our team of experienced technicians is well-versed in the best installation practices and takes every precaution to ensure that your AC system is installed correctly, according to the manufacturer’s specifications. ...May 5, 2021 · Causes Of An A/C Icing Up. Air conditioners ice up because the temperature in the condenser’s evaporator coil has dropped too low. Air conditioner ice up when the flow of hot air has stopped. Instead of removing hot air from your home, the coils are transferring air that is too cold. At this point, ice forms, and the unit starts dripping when ... The watts required to operate an air conditioner can vary based on many factors, including the type of cooling system, the cooling output and the frequency of maintenance.Chances are, the indoor unit's evaporator coil is frozen solid and cold liquid refrigerant is flowing to the outside unit through the refrigerant line (which is ...Jul 13, 2020 ... Low airflow: If your air conditioning system isn't getting the proper airflow to allow it to do its job, it means that it is going to create a ... Ice Box Air Conditioner Review: Limited Time 50% Off Discount! Easy To Order Online Offer Today. Great For Kid’s Bedrooms, Dorms. Keeps Air Cold And Purified All Day. Works All Night Long For You, Too. Easy To Use – Put In Water & Go! Click Any Image To Try This NOW! Jul 11, 2022 ... Ice on your AC unit outside may be caused by colder-than-usual refrigerant liquid. Turning the thermostat off will stop your air conditioner ...Beat the heat wherever you are with the IcyBreeze portable air conditioner. It's an ice cooler and portable air conditioner all in one. Assembled in the USA.Problems Ice Causes. A frozen evaporator coil can’t siphon heat from the air, so your air conditioner won’t be able to cool your home properly. Liquid refrigerant might be able to escape the coil under these circumstances, making it to the compressor and causing it to break down. Eventually the entire system could break down because …About this item . Personal Air Cooler for Indoor & Outdoor Spaces: Switch to an eco-friendly solution with Ontel Arctic Air Pure Chill 2.0. Featuring Hydro-Chill Technology and cooling control with dual cooling jets, it helps cool and humidify the air around you..Voltage : 120 voltsSay it is powered by 1000 W. Using the above calculation, EER is equal to 12. EER rating = 12,000 BTU / 1000 W = 12. An EER rating of 12 tells us that for every watt of energy we provide to the air conditioner, the air conditioner will provide 12 BTU of cooling effect. 12 is a good EER rating for an air conditioner.After multiple runs using 8 to 12 pounds of three different forms of ice—cubes, reusable ice packs, and a frozen gallon jug of water—the homemade air conditioner was able to lower the ...2. Low Refrigerant Levels. Another common cause of freezing is the refrigerant level being too low. A common sign that this is your problem is that your air conditioner’s refrigerant line is covered in ice. Freon is another name for the refrigerant used to cool the evaporator coils in your AC.4.5. Cooling Ability. 4.7. Value For Money. 4.2. For those who need true air conditioning for their vehicles, Zero Breeze Mark 2 comes to the rescue. This portable and relatively affordable AC is the best solution for real climate control. Rated for 2,300 BTU, the Zero Breeze 2 has great cooling performance.When it comes to purchasing a new air conditioner, one of the most important considerations is the price. Trane is a well-known and reputable brand in the HVAC industry, but their ...Station 1: Warm indoor air is sucked into the return vent, through a filter, and blows over the evaporator coil. The heat is absorbed into the cold refrigerant, turning it from liquid to gas. The air, which is now cool, is blown back into the home to areas that your thermostat, i.e. you, has decided. How AC cools air.Take control of your heating and cooling with Ice Air thermostats. Ice Air’s controls are designed for ease-of-use and efficiency. Choose from thermostats in many different styles from simple to complex, allowing you the most control over energy use and comfort levels. Some even offer remote operation by smart device or Internet. Plus, programmable thermostatsHOMCOM Portable Evaporative Air Cooler, 3-In-1 Ice Cooling Fan Humidifier Air Conditioner with Timer, Oscillating, and 1.6 Gal Water Tank, White. $265.99. ... Newair Portable Air Conditioner and Heater, 14,000 BTUs (8,500 BTU, DOE), Cools 525 sq. ft., Easy Setup Window Venting Kit and Remote Control. 5 stars. 41 % 4 stars. 15 % 3 stars. …Apr 25, 2023 ... I'm going to add a small amount of water. to the fill line, then add the icy block. and then top off with as much ice as you want. You can add ...Cons. Pricey. Most wearable "air conditioners" are more like overhyped miniature neck fans. Torras’ Coolify Portable Air Conditioner Neck Fan is a rare exception, and the closest thing we’ve ...simple DIY AC! couldn't be simpler. good for small space cooling. so i've seen these fans with "ice-cube filled" bottles tied to the back - and wanted to see...Homemade AC air cooler! The "Copper Coil" Air Cooler! how to make a non-compressor based DIY air conditioner using a box fan and copper coil. details: copper...simple DIY AC! couldn't be simpler. good for small space cooling. so i've seen these fans with "ice-cube filled" bottles tied to the back - and wanted to see...Here are some of the most common reasons: Dirty Air Filter: A dirty air filter can restrict airflow to your air conditioner, causing the evaporator coil to freeze and the pipe outside to ice over. It’s essential to regularly clean or replace your air filter to avoid this issue. Low Refrigerant: Low refrigerant levels can cause the …By Brenda Woods Updated 02/03/2024. A portable air conditioner is an efficient and cost-effective way to cool a room during the hot summer months. It works by pulling warm air from the room, cooling it, and then releasing the cooled air back into the room. Although not a replacement for a traditional climate control system, portable air ...The system then runs as needed, in order to keep the correct temperature as set by your thermostat. Ice can form on your air conditioner when the temperature in the condenser evaporator coil falls below freezing. This often happens because of low refrigerant, or a refrigerant leak. It can also happen due to dirty coils, a broken fan, faulty ...Sep 8, 2020 · In this sense, it could be called the world’s first “hybrid” air conditioner! The main difference between the “Ice Cub” and a standard air conditioner is that it has a water tank next to the A/C compressor, and it uses excess electricity from the system to freeze the water into a big block of ice. That’s what we call energy-efficient! Chances are, the indoor unit's evaporator coil is frozen solid and cold liquid refrigerant is flowing to the outside unit through the refrigerant line (which is ...BEST FOR SMALL ROOMS: Whynter Elite ARC-122DS Portable Air Conditioner. BEST QUIET: Honeywell Smart Wi-Fi Portable Air Conditioner. BEST FOR HUMIDITY: Honeywell HW4CEDAWW0 Air Conditioner ...Ice can form outside of an air conditioner pipe when issues are causing a lack of airflow over the evaporator coils, or the refrigerant levels are too low. When this occurs, it’s important to allow the ice to thaw before rerunning the A/C unit fully. The good news is, you don’t need to have any technician experience to …Jun 20, 2022 ... One of the most common causes of an icy AC is insufficient airflow. When there is insufficient airflow, the evaporator coils can get too cold.Jul 19, 2022 · Smart features are now available on almost every type of air conditioner, including affordable window and portable air conditioners, as well as more expensive whole-home central air conditioners. This wide variety of products means that the price of a smart air conditioner can range significantly from about $200 to $8,000, depending on the type. simple DIY AC! couldn't be simpler. good for small space cooling. so i've seen these fans with "ice-cube filled" bottles tied to the back - and wanted to see...2. Easy Plastic Soda Bottle DIY AC. In this alternative homemade aircon build, small soda bottles are strapped to the back of a fan using cable ties. These bottles have been perforated with holes using a soldering iron, and hold the ice. Air is drawn through the bottles by the fan, cooled by the ice.The system then runs as needed, in order to keep the correct temperature as set by your thermostat. Ice can form on your air conditioner when the temperature in the condenser evaporator coil falls below freezing. This often happens because of low refrigerant, or a refrigerant leak. It can also happen due to dirty coils, a broken fan, faulty ...Jun 28, 2018 ... After the ice has thawed, the first thing to do is to check is your air filter. Sometimes ice can form on air conditioners when there is poor ...The other main cause of an air conditioner freezing up is improper airflow. This basically means that your air conditioner is suffocating and not getting enough air to operate properly. Insufficient airflow causes the coils to drop below freezing. The humidity in the air then collects on the coils, creating an even greater buildup of ice on ...90 Phút TV là kênh trực tiếp bóng đá hàng đầu Việt Nam hiện nay. Chúng tôi mang đến cho người hâm mộ toàn bộ các giải đấu trên thế giới hoàn toàn miễn phí.After multiple runs using 8 to 12 pounds of three different forms of ice—cubes, reusable ice packs, and a frozen gallon jug of water—the homemade air conditioner was able to lower the ...Aug 4, 2015 ... As the ice melts, the cold air will hit the fan and be pushed around the room. Sit back and relax as a cool breeze comes your way. AC Fan Trick ... Portable Air Conditioners Rechargeable, 5200mAh Mini Air Conditioner, Personal Air Cooler with 3 Speeds, Small Desk Air Conditioner for Bedroom, Office, Outdoor 4.4 out of 5 stars 31 1 offer from $29.99 Get free shipping on qualified Air Conditioner Evaporative Coolers products or Buy Online Pick Up in Store today in the Heating, Venting & Cooling Department. ... Evaporative Air Cooler 1400 CFM 84° Oscillating Swamp Cooler with 3 Speeds 5 Gal. Portable Air Cooler for 550 Sq.ft. Add to Cart. Compare $ 97. 84 $ 102.99. Save $ 5.15 (5 %)Beat the heat wherever you are with the IcyBreeze portable air conditioner. It's an ice cooler and portable air conditioner all in one. Assembled in the USA.The AirX Climate Solutions Brand of Industrial Climate Engineering (ICE) is a leading manufacturer of specialty heating and air conditioning products for industrial and commercial uses. Our products are used in a variety of industries, including energy storage, data centers, and petrochemical facilities. ICE manufactures exterior wall mount air ... Best HVAC. & Plumbing. Company. of Las Vegas. Whether you need maintenance, repairs, or a new home comfort system, we will help bring comfort to your home. Get a free estimate now! Call Now! (702) 820-2184. Follow simple steps to assemble: bond the modules to the heat sink, connect the wires, and test with a 12V power supply. Ideal for personalized cooling, this project combines practicality with the thrill of DIY, offering a satisfying and cost-effective solution to beat the heat. 23. DIY Air Conditioner Under $100.While the main function of an air conditioner is to provide a cold environment, if an air-conditioning system is producing ice it can actually be detrimental to the unit. As ironic as it seems, a unit freezing over could break the entire system and can actually turn your ice-cold day into a sweltering hot, AC-free one.Apr 25, 2023 ... I'm going to add a small amount of water. to the fill line, then add the icy block. and then top off with as much ice as you want. You can add ...HOMCOM Portable Evaporative Air Cooler, 3-In-1 Ice Cooling Fan Humidifier Air Conditioner with Timer, Oscillating, and 1.6 Gal Water Tank, White. $265.99. ... Newair Portable Air Conditioner and Heater, 14,000 BTUs (8,500 BTU, DOE), Cools 525 sq. ft., Easy Setup Window Venting Kit and Remote Control. 5 stars. 41 % 4 stars. 15 % 3 stars. …SHOP THE STORY. ROLLICOOL Smart Portable Air Conditioner. $449.99. Midea 3-in-1 Portable Air Conditioner. Ontel Arctic Air Pure Chill Evaporative Cooler. $39.88. Vivibyan Personal Air Cooler. ELETOL Personal Air Conditioner and Humidifying Misting Fan. COMFYHOME Bladeless 2-in-1 Air Cooler.Causes of Ice or Frost Build-up on the Evaporator Coil or Refrigerant Suction Line on an Air Conditioner or Heat Pump System. Discussed in this article: Frost or ice build-up on evaporator coils and its effect on …The AirX Climate Solutions Brand of Industrial Climate Engineering (ICE) is a leading manufacturer of specialty heating and air conditioning products for industrial and commercial uses. Our products are used in a variety of industries, including energy storage, data centers, and petrochemical facilities. ICE manufactures exterior wall mount air ...From the thermostat panel, switch the AC from “cooling” or “auto” to fan mode. Setting your AC in fan mode will help the system receive warm air to help the frozen AC line or coil defrost. While the system thaws, which can take up to 24 hours depending on the severity of your AC coils freezing, you can work on finding the …Mr. Ice. The goal of the Mr. Ice Project was to achieve the lowest air conditioning cooling temperatures obtainable with R134a refrigerant in a Porsche 911 air conditioning system. At best a stock Porsche 911 (years 78 through 1989 with factory air & front and rear condensers) converted from R12 to R134a refrigerant …One of the most common is low refrigerant. If an AC unit hasn't been serviced in some time or has a leak in the coolant reservoir, it can result in lowered ...Causes Of An A/C Icing Up. Air conditioners ice up because the temperature in the condenser’s evaporator coil has dropped too low. Air conditioner ice up when the flow of hot air has stopped. …The ice will build-up over your evaporator if the air flowing over it is impeded by a dirty or clogged air filter. The thick dust from the filter can trap cold air over the evaporator coils, and if the air is humid enough, it can form ice inside your air conditioner. Eventually, the ice gets spitted out when it defrosts, giving you an ...ICE Auto Air - aftermarket automotive air conditioning systems! Auto A/C kits replacement parts are available in Kits and Parts for BMW, Volkswagen, VW, Porsche and most other makes and models including Chevy, Dodge, Ford, Honda, Isuzu, Jeep, Nissan, Toyota, Beetle, Super Beetle, BMW Model 2002 '69-'76, BMW, Karmann Ghia, Porsche 911, VW …Currys Offers portable air conditioners ranging from around £200 to £600. Listed brands include Dyson, Logik and Staycool. Homebase Sells a small selection of Arlec air conditioners, with prices between £300 and £500. John Lewis Stocks portable air conditioners from AEG and Meaco – expect to spend £300 to £600.Manufacturer of enclosure cooling for NEMA type electronic enclosures, Ice Qube keeps electronics cool with air conditioners, heat exchangers and filtered ...Send us a message or give us a call on 07 3812 3344. 19 Quindus Street. Wacol Qld 4076. Monday to Friday. 8.00am - 5.00pm. 07 3812 3344. info@ icepack.com.au. Name. Email.FAMILIAR BY DESIGN. Easy to use. Complete control of all system functions. Control multiple thermostats. Simple scheduling. Notifications for temperature and …Feb 15, 2022 ... IcyBreeze can keep a small space cool for up to 6 hours on a single charge. Just need to use the cooler? Ice lasts up to 7 days at > 90 ...If an air conditioner is not cooling as well as it once was, it may need Freon. Some signs of this include the air conditioner being turned up to the highest setting, but barely pr...Parts & Equipment Service. Ice Air manufactures a full line of parts, which are either stored at our main facility in Mount Vernon, NY or stocked with our distributors and regional sales reps. Within the New York metro area, please contact our New York Aftermarket Distributor, Brothers Supply: Call 718-392-1200 or visit www.brotherssupply.com ...Aug 15, 2019 ... There's a Refrigerant Leak. Low refrigerant is a common cause of ice on your air conditioner. If your system doesn't have enough refrigerant ...Whynter Dual Hose Portable Air Conditioner. Now 12% Off. $530 at Amazon $693 at Walmart $560 at Wayfair. Credit: Whynter. Pros. Provides powerful cooling over large areas. Operates as a heater and ...Left to right: Frigidaire GHPC132AB1, Midea MAP12S1TBL, and Whynter ARC-1230WN portable air conditioners. Photo: Consumer Reports, Midea. Although they deliver only mediocre performance in our ...The ICE Solair solar air conditioning system saves you up to approximately 30 – 50%* of energy relative to a comparable inverter air conditioning system. The ICE Solair solar air conditioning system is manufactured to a very high standard and has an internationally recognised quality assurance …Des – Maintenance Manager – Plastics Manufacture. “We have held an air conditioning and refrigeration maintenance contract with ICE Ltd for over 10 years. They provide a callout service for out of hours emergency breakdowns and always respond in a timely manner. They look after all our F Gas compliance and respond to breakdown on the same ... · A large share of peak electricity demand in the energy grid is driven by air conditioning, especially in hot climates, set to become a top driver for global …ICE BEAR INC: A premier HVAC, Air Conditioning, Refrigeration, Chillers, Compressed Air Dryers & Cooling Towers repair and installation company. We have been in business since 1994, serving Los Angeles, Los Angeles County, Orange County and Inland empire and the surrounding areas . Our service request response time is about three hours or less ...May 5, 2021 · Causes Of An A/C Icing Up. Air conditioners ice up because the temperature in the condenser’s evaporator coil has dropped too low. Air conditioner ice up when the flow of hot air has stopped. Instead of removing hot air from your home, the coils are transferring air that is too cold. At this point, ice forms, and the unit starts dripping when ... Licensed and Insured – Mr. Ice’s Heating and Air Conditioning – FL. Lic. #CAC051497 RESIDENTIAL HEATING & AIR CONDITIONING DIAGNOSTIC SERVICE FEE $100 & COMMERCIAL FEE IS $150 We are a family-owned company, offering air conditioning services for over 30 years.May 25, 2016 · After multiple runs using 8 to 12 pounds of three different forms of ice—cubes, reusable ice packs, and a frozen gallon jug of water—the homemade air conditioner was able to lower the ... 3 days ago · Building Cooling Load Profile. Adding ice storage to an HVAC system can reduce the utility costs associated with cooling by shifting the operation of the …About this item . Personal Air Cooler for Indoor & Outdoor Spaces: Switch to an eco-friendly solution with Ontel Arctic Air Pure Chill 2.0. Featuring Hydro-Chill Technology and cooling control with dual cooling jets, it helps cool and humidify the air around you..Voltage : 120 volts Portable Air Conditioners Rechargeable, 5200mAh Mini Air Conditioner, Personal Air Cooler with 3 Speeds, Small Desk Air Conditioner for Bedroom, Office, Outdoor 4.4 out of 5 stars 31 1 offer from $29.99 Nostromo’s Icebrick technology for ice thermal energy storage. This is the premise behind start-up Nostromo’s ‘Icebrick’ technology, which promises to cut the environmental and financial cost of air conditioning for large commercial buildings. The idea is simple: the Icebrick converts water to ice using electricity at times of low ...Cons. Pricey. Most wearable "air conditioners" are more like overhyped miniature neck fans. Torras’ Coolify Portable Air Conditioner Neck Fan is a rare exception, and the closest thing we’ve ...conditioning of your living environment. ICE AIR PTAC units are built to a high standard of quality and reliability, employing commercial grade components and heavy duty, galvanized sheet metal casings. With proper maintenance and usage, ICE AIR PTACs should provide many years of efficient, quiet and trouble-free …Dirty air filters account as the cause of the majority of common air conditioner issues, including a frozen AC unit, or ice buildup in the air conditioner. The debris buildup in the filter cakes on a layer of dust that restricts air circulation, thereby effectively trapping the cooled air inside your air conditioner. Midea Duo 12000-BTU DOE (115-Volt) Black Vented Wi-Fi enabled Portable Air Conditioner with Heater with Remote Cools 550-sq ft. The Midea Ultra Quiet DUO Smart 14,000 BTU (12,000 BTU SACC) portable air conditioner with heat can cool, dehumidify, circulate, or heat up to 550 square feet with a unique hose-in-hose design that delivers 20% better cooling. Feb 7, 2023 · Evaporative Air Cooler, 3-IN-1 70° Oscillation Air Conditioner Portable for Room w/ 4 Modes & 3 Speed, 12H Timer, 1 Gal Detachable Water Tank, 4 Ice Packs, Remote for Bedroom Indoor Brand: SKYICE 3.2 3.2 out of 5 stars 194 ratings 5,000 BTU 115-Volt Portable Air Conditioner for 150 sq. ft. Rooms with Dehumidifier and Remote in White. Add to Cart. Compare $ 545. 89 (1124) Whynter. 9,200 BTU Portable Air Conditioner Cools 500 Sq. Ft. with Dehumidifier, Remote and Carbon Filter in Black. Add to Cart. Compare $ 359. 10 (586) LG.5,000 BTU 115-Volt Portable Air Conditioner for 150 sq. ft. Rooms with Dehumidifier and Remote in White. Add to Cart. Compare $ 545. 89 (1124) Whynter. 9,200 BTU Portable Air Conditioner Cools 500 Sq. Ft. with Dehumidifier, Remote and Carbon Filter in Black. Add to Cart. Compare $ 359. 10 (586) LG.Apr 25, 2023 ... I'm going to add a small amount of water. to the fill line, then add the icy block. and then top off with as much ice as you want. You can add ...Specialties: At Polar Ice Air we are dedicated to providing exceptional residential HVAC services built upon a foundation of transparency, integrity, and honesty. Our mission is to create comfortable living environments while prioritizing the trust and satisfaction of our valued customers. Through our reliable expertise, personalized solutions, and a commitment to open …

At the time the theory that bad air — mal-aria — caused diseases was a prevalent hypothesis, and based on this theory, he urged draining the swamps and the cooling of sickrooms. For this he cooled rooms with ice in a basin suspended from the ceiling. Cool air, being heavier, flowed down across the patient and through an opening near the floor.. Mediterranean cuisine vegetarian recipes

ice air conditioner

First, fill two or three plastic water or soda bottles with water, and pour three tablespoons of salt (51g) into each. Replace the caps on before shaking each bottle to ensure the salt is ...At ICE Air Conditioning and Plumbing, we understand the importance of proper installation for your AC system. Our team of experienced technicians is well-versed in the best installation practices and takes every precaution to ensure that your AC system is installed correctly, according to the manufacturer’s specifications. ...Jul 11, 2022 · Ice on your AC unit outside may be caused by colder-than-usual refrigerant liquid. Turning the thermostat off will stop your air conditioner from sending cold refrigerant to your outside unit. After removing the ice, you can diagnose and troubleshoot more easily. The most common reasons for ice on your AC are: Dirty air filter. Dirty evaporator ... RCA 14,000 BTU Wifi Enabled Portable Air Conditioner with Remote - White. Model: RACP1440-WF-6COM. SKU: 6516209. ( 5 from Sampling program) $399.99. Price Drop. Was $519.99. Chances are, the indoor unit's evaporator coil is frozen solid and cold liquid refrigerant is flowing to the outside unit through the refrigerant line (which is ...Follow simple steps to assemble: bond the modules to the heat sink, connect the wires, and test with a 12V power supply. Ideal for personalized cooling, this project combines practicality with the thrill of DIY, offering a satisfying and cost-effective solution to beat the heat. 23. DIY Air Conditioner Under $100. Ice Box Air Conditioner Review: Limited Time 50% Off Discount! Easy To Order Online Offer Today. Great For Kid’s Bedrooms, Dorms. Keeps Air Cold And Purified All Day. Works All Night Long For You, Too. Easy To Use – Put In Water & Go! Click Any Image To Try This NOW! At ICE Air Conditioning and Plumbing, we understand the importance of proper installation for your AC system. Our team of experienced technicians is well-versed in the best installation practices and takes every precaution to ensure that your AC system is installed correctly, according to the manufacturer’s specifications. ...Stay Cool With Air Conditioners and Fans From Lowe’s. When the temperature starts climbing, we have everything you need to beat the heat. From air conditioning systems to table fans, find the perfect option to keep your space cool and comfortable year-round. At Lowe’s, you’ll find a variety of air conditioners for sale from top brands.Dec 8, 2022 · Portable Air Conditioners, Evaporative Air Cooler & Air Conditioner for Room w/3 Speeds & Cooling Mode, 52° Oscillation, 12H Timer, Remote, Portable AC Swamp Cooler for Room Home Office 339 $119.99 $ 119 . 99 The ice will build-up over your evaporator if the air flowing over it is impeded by a dirty or clogged air filter. The thick dust from the filter can trap cold air over the evaporator coils, and if the air is humid enough, it can form ice inside your air conditioner. Eventually, the ice gets spitted out when it defrosts, giving you an ...Garrison air conditioners are produced by Garrison Heating and Cooling Products. The company also produces heat pumps and gas and electric water heaters for home and industrial use...The watts required to operate an air conditioner can vary based on many factors, including the type of cooling system, the cooling output and the frequency of maintenance..

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