230V AC Units

The LG 23,000 BTU 230V window-mounted air conditioner with 11,600 BTU supplemental heat function gives you everything you love about an air conditioner and more! Whether it’s cold in April or hot in October, this unit has you covered so you can always feel comfortable at home. In addition to cooling, this versatile unit offers supplemental heating, providing you with an additional heat source to your main heat source when outdoor temperatures are above 45 degrees Fahrenheit. PLEASE NOTE: This unit requires a special 230V electrical outlet and will not operate with a standard 115V household electrical outlet..Energy Efficiency Ratio (EER): 9.8 (cooling).Slide in-out chassis air conditioner for window-mounted installation.Special 230V electrical outlet required (Unit will not work with a standard 115V outlet).Supplemental heat capability provides an additional heat source to your main heat source when outdoor temperatures are above 45 degrees F.22,500/23,000 BTU cooling for rooms up to 1420 sq. ft..9,400/11,600 BTU supplemental heating for approx. 500 sq. ft..Dehumidification up to 6.5 pints per hour.Full-function remote controls unit from across the room.Thermistor thermostat maintains the selected temperature.2 cooling speeds / 2 heating speeds / 2 fan speeds.24-hour on/off timer accomodates your schedule.Energy saver function conserves energy and saves you money.Auto restart saves your settings when the power goes out.4-way air deflection directs cool air where you want it.Easy-clean mesh filter with "clean filter" alert.Noise level: 64 dBA indoor / 69 dBA outdoor.4 ft. long power cord.Safety: UL/cUL listed.Easy to use installation kit included.⚠ WARNING: This product can expose you to chemicals including Carbon black, which is known to the State of California to cause cancer, and Bisphenol A (BPA), which is known to the State of California to cause birth defects or other reproductive harm.  For more information, go to www.P65Warnings.ca.gov.

The Whirlpool 23,200 BTU window air conditioner is easy to install and operate in your home. Designed for cooling and dehumidifying a room up to 1500 square feet, this unit features on-board electronic controls with many options for customized comfort. Three cooling speeds, supplemental heating, Eco mode, and Sleep mode all give you the flexibility you need to keep you and your loved ones cool and comfortable. A 24-hour programmable timer lets you decide exactly when you want cooling so your room will be comfortable by the time you get home from work or school without wasted energy. The included remote control allows you to adjust the settings from across the room. The filter on this window air conditioner helps keep the air free of dust, debris, and contaminants, so it will get dirty. With easy access, the filter can easily be removed and washed to help keep your AC running at its highest level. At Whirlpool, we take comfort and caring to the next level..23200/22700 BTU window air conditioner.10600/8600 BTU supplemental heat.Special 230V electrical outlet required (Unit will not work with a standard 115V outlet).Cools a room up to 1500-sq. ft. with up to 3.7 pints per hour dehumidification.On-board electronic control panel with digital display.Remote control with LCD display allows you to control the unit from across the room.3 fan speeds plus Auto option for cooling flexibility.Eco mode uses less energy for savings on your utility bill.Sleep mode gradually increases room temperature after being activated.Programmable 24-hour on/off timer cools on your schedule.After a power failure, unit automatically restarts when power is restored.8-way directional air louvers directs the air where you need it.Removable and washable air filter with a 'clean filter' alert for convenient maintenance.Easy to install window mounting kit included

The LG LW2524RD is a reliable and high-performance air conditioner specially designed to provide efficient cooling for medium to large rooms up to 1,560 sq. ft. With 3 cooling and fan speeds, along with a 24-hour timer, this window unit offers the flexibility to create a personalized cooling schedule, tailored to your preferences. The 4-way air deflection feature allows you to direct the airflow precisely where it's needed most— whether for cooling, dehumidifying, or simply circulating the air. To ensure continuous and uninterrupted comfort, the auto restart feature automatically turns the unit back on when power is restored after a power outage. The LG LW2524RD also comes with several user-friendly features, including a remote control, a window installation kit for simplified setup, a removable and washable filter for easy maintenance, and a check filter alert to remind you when it's time to clean the filter. In conclusion, with a powerful cooling and dehumidification system, advanced features, and user-friendly controls, the LG LW2524RD provides an exceptional solution for cooling and maintaining the perfect indoor environment for medium to large rooms up to 1,560 sq. ft. Optimize your comfort today with the LG LW2524RD window ac and enjoy an efficient cooling experience..Window-mounted air conditioner cools rooms up to 1,560 sq. ft..24,500 BTUs.Uses 230V plug.Product dimensions: 28.57" L x 26" W x 17.66" H.Product weight: 130 lbs..1-Year Limited Warranty.3 cooling and fan speeds.Auto Cool mode.Auto restart will automatically turn the unit back on when power is restored after an outage.24 hour timer.4-way air deflection.Remote control included.Slide out washable filter with Check Filter alert.The LG LW2524RD is a reliable and high-performance air conditioner specially designed to provide efficient cooling for medium to large rooms up to 1,560 sq. ft.

The Whirlpool 12,000 BTU window air conditioner is easy to install and operate in your home. Designed for cooling and dehumidifying a room up to 550 square feet, this unit features on-board electronic controls with many options for customized comfort. Three cooling speeds, supplemental heating, Eco mode, and Sleep mode all give you the flexibility you need to keep you and your loved ones cool and comfortable. A 24-hour programmable timer lets you decide exactly when you want cooling so your room will be comfortable by the time you get home from work or school without wasted energy. The included remote control allows you to adjust the settings from across the room. The filter on this window air conditioner helps keep the air free of dust, debris, and contaminants, so it will get dirty. With easy access, the filter can easily be removed and washed to help keep your AC running at its highest level. At Whirlpool, we take comfort and caring to the next level..12000/11600 BTU window air conditioner.11000/9000 BTU supplemental heat.Cools a room up to 550-sq. ft. with up to 1.7 pints per hour dehumidification.Special 230V electrical outlet required (Unit will not work with a standard 115V outlet).On-board electronic control panel with digital display.Remote control with LCD display allows you to control the unit from across the room.3 fan speeds plus Auto option for cooling flexibility.Eco mode uses less energy for savings on your utility bill.Sleep mode gradually increases room temperature after being activated.Programmable 24-hour on/off timer cools on your schedule.After a power failure, unit automatically restarts when power is restored.8-way directional air louvers directs the air where you need it.Removable and washable air filter with a 'clean filter' alert for convenient maintenance.Easy to install window mounting kit included

Eaton Metered Input ePDUs provide remote monitoring of the current draw of individual sections via network communication. This capability, combined with state-of-the-art software allows you to aggregate the information from many ePDUs in one location. A local display is also available for phase balancing and for easy start-up and provisioning of servers. New ePDU G3 Metered Input models feature best-in-class technologies, including ±1% billing grade accuracy, an advanced LCD pixel display, a hot-swap meter and the ability to daisy chain four ePDUs to share the same network connection and IP address..Network (RJ-45): Yes.Input Voltage: 230 V AC.Output Voltage: 230 V AC

The LG 11,500 BTU 230V through-the-wall air conditioner is perfect for cooling a room up to 530 square feet. Keep your cool with this stylish and powerful wall unit. With the full-function remote, you can control the temperature from across the room. PLEASE NOTE: This unit is designed for through-the-wall installation and is not designed for standard window installation. It has a universal fit for existing, standard 26-inch wall sleeves (new wall sleeve sold separately). This unit also requires a special 230V electrical outlet and will not operate with a standard 115V household electrical outlet..Energy Star: 10.6 Energy Efficiency Ratio (EER).Through-the-wall installation (Not suitable for window installation).Universal fit for existing, standard 26-inch wall sleeves (new wall sleeve sold separately).Special 230V electrical outlet required (Unit will not work with a standard 115V outlet).11,500/11,800 BTUs cools a room up to 530 sq. ft..Dehumidification up to 3.9 pints per hour.Full-function remote controls unit from across the room.Thermistor thermostat maintains the selected temperature.3 cooling speeds / 3 fan speeds for more cooling flexibility.24-hour on/off timer cools on your schedule.Energy saver function conserves energy and saves you money.Auto restart saves your settings when the power goes out.4-way air deflection directs cool air where you want it.Easy-clean mesh filter with "clean filter" alert.Noise level: 59 dBA indoor / 65 dBA outdoor.6 ft. long power cord (cUL listed).Trim kit included.⚠ WARNING: This product can expose you to chemicals including Carbon black, which is known to the State of California to cause cancer, and Bisphenol A (BPA), which is known to the State of California to cause birth defects or other reproductive harm.  For more information, go to www.P65Warnings.ca.gov.

Enter the realm of cool comfort! Easy to install and operate, the Whirlpool 18,000 BTU window-mounted air conditioner quickly cools and dehumidifies a room up to 1,000 square feet. Equipped with a programmable 24-hour on/off timer, you can customize cooling time to fit your schedule for immediate comfort when you get home..Energy Star compliant: 11.9 EER.18,000 BTU air conditioner for window-mounted installation.Special 230V electrical outlet required (Unit will not work with a standard 115V outlet).Cools a room up to 1,000 sq. ft. with up to 4.75 pints per hour dehumidification.On-board electronic control panel with digital display.Remote control with LCD display allows you to control the unit from across the room.3 cooling speeds plus Auto option for cooling flexibility.Eco mode uses less energy for savings on your utility bill.Sleep mode gradually increases room temperature after being activated.Programmable 24-hour on/off timer cools on your schedule.After a power failure, unit automatically restarts when power is restored.8-way directional air louvers directs the air where you need it.⚠ WARNING: California Proposition 65 Warning. This product can expose you to chemicals including lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.govSafety Data Sheet

The Whirlpool 18,000 BTU window air conditioner is easy to install and operate in your home. Designed for cooling and dehumidifying a room up to 1000 square feet, this unit features on-board electronic controls with many options for customized comfort. Three cooling speeds, supplemental heating, Eco mode, and Sleep mode all give you the flexibility you need to keep you and your loved ones cool and comfortable. A 24-hour programmable timer lets you decide exactly when you want cooling so your room will be comfortable by the time you get home from work or school without wasted energy. The included remote control allows you to adjust the settings from across the room. The filter on this window air conditioner helps keep the air free of dust, debris, and contaminants, so it will get dirty. With easy access, the filter can easily be removed and washed to help keep your AC running at its highest level. At Whirlpool, we take comfort and caring to the next level..18000/17600 BTU window air conditioner.10600/8600 BTU supplemental heat.Cools a room up to 1000-sq. ft. with up to 2.5 pints per hour dehumidification.Special 230V electrical outlet required (Unit will not work with a standard 115V outlet).On-board electronic control panel with digital display.Remote control with LCD display allows you to control the unit from across the room.3 fan speeds plus Auto option for cooling flexibility.Eco mode uses less energy for savings on your utility bill.Sleep mode gradually increases room temperature after being activated.Programmable 24-hour on/off timer cools on your schedule.After a power failure, unit automatically restarts when power is restored.8-way directional air louvers directs the air where you need it.Removable and washable air filter with a 'clean filter' alert for convenient maintenance.Easy to install window mounting kit included

Keystone prioritizes your family's comfort, and our budget-friendly heat/cool 230V window air conditioner is designed to meet your needs. This versatile AC unit offers both efficient cooling and supplemental heat capability, serving as an additional heat source for outdoor temperatures above 23 degrees Fahrenheit. The heat mode is supplemental and cannot replace your primary heat source. Please note that this unit requires a special 230-volt/20-amp electrical outlet and will not operate with a standard 115V household electrical outlet. Enjoy ultimate cost savings with the energy saver mode, sleep mode, and programmable 24-hour timer. These features allow you to customize your heating and cooling preferences based on your schedule, lowering energy usage and costs. The Follow Me LCD remote control adds to the convenience of this unit, ensuring everyone can relax in comfort. Invest in our heat/cool 230V window air conditioner and enjoy year-round comfort for your family. With Keystone, your family's comfort starts here..Window-mounted air conditioner cools with heating function covers up to 550 sq. ft. with dehumidification up to 2.5 pints per hour.12,000/11,600 BTU cooling capacity / 11,000 BTU supplemental heating capacity.Special 230-volt/20-amp electrical outlet required (Unit will not work with a standard 115V outlet).Dimensions are 18.98" W x 14.65" H x 21.46" D.6.5 ft. cord length.Weighs 71.65 lbs..Warranty: 1-Year Parts & Labor / 4-Year Sealed System.Supplemental heat capability provides an additional heat source to your main heat source when outdoor temperatures are above 23°F.Heating mode is supplemental and NOT meant as primary heat source.Indoor Noise Level dBA (Hi/Med/Lo): 61/58/55.Electronic controls with LED display allows you to easily select options with the touch of a button.Temperature sensing LCD remote control allows you control the temperature from across the room.Auto-restart saves your settings for when power is restored to the unit.Adjustable 4-way air flow direction allows you to easily control the direction of the cool air.3 cooling speeds, 3 fan speeds, and 1 heat speed for multi-seasonal use.Programmable 24-hour on/off timer cools on your schedule.Energy Saver function conserves energy and saves you money.Sleep function gradually increases room temperature after being activated.Easy-clean, tilt-out mesh filter with Check Filter alert on the unit.6.5-ft. LCDI power cord with NEMA 6-20P plug makes extension cords unnecessary.Adjustable, pleated window mounting kit included for window installation.Minimum window height: 16.5 inches.Window width dimensions: 26.8" minimum / 36" maximum.Keystone prioritizes your family's comfort, and our budget-friendly heat/cool 230V window air conditioner is designed to meet your needs.

The LG 9,500/9,800 BTU 230V through-the-wall air conditioner is perfect for cooling a room up to 440 square feet. Keep your cool with this stylish and powerful wall unit. With the full-function remote, you can control the temperature from across the room. PLEASE NOTE: This unit is designed for through-the-wall installation and is not designed for standard window installation. It has a universal fit for existing, standard 26-inch wall sleeves (new wall sleeve sold separately). This unit also requires a special 230V electrical outlet and will not operate with a standard 115V household electrical outlet..Energy Star: 10.7 Energy Efficiency Ratio (EER).Through-the-wall installation (Not suitable for window installation).Universal fit for existing, standard 26-inch wall sleeves (new wall sleeve sold separately).Special 230V electrical outlet required (Unit will not work with a standard 115V outlet).9,500/9,800 BTUs cools a room up to 440 sq. ft..Dehumidification up to 2.9 pints per hour.Full-function remote controls unit from across the room.Thermistor thermostat maintains the selected temperature.3 cooling speeds / 3 fan speeds for more cooling flexibility.24-hour on/off timer cools on your schedule.Energy saver function conserves energy and saves you money.Auto restart saves your settings when the power goes out.4-way air deflection directs cool air where you want it.Easy-clean mesh filter with "clean filter" alert.Noise level: 56 dBA indoor / 65 dBA outdoor.6 ft. long power cord (cUL listed).Trim kit included.⚠ WARNING: This product can expose you to chemicals including Carbon black, which is known to the State of California to cause cancer, and Bisphenol A (BPA), which is known to the State of California to cause birth defects or other reproductive harm.  For more information, go to www.P65Warnings.ca.gov.

The LG Dual Inverter air conditioners are the best in cooling innovation. This ultra quiet unit operates at 44 dB in sleep mode, almost as quiet as a library. In addition, the DUAL Inverter technology allows the unit to operate efficiently saving you as much as 25% on energy costs..Beat the heat while remaining cool and happy on hot summer days.With 5275.28 W cooling power, maintain the temperature of a given space.With up to 1000 Sq. ft. cooling coverage, it helps you keep your home cool and cozy during hot summer months.Have more control over air flow with 4 fan speeds.LoDecibel™ Quiet Operation down to 44 dB.Up to 25% Energy Savings.ENERGY STAR® Certified.DUAL Inverter technology - Variable speed compressor.3 in 1 operation: Cool/Fan/Dry.User friendly digital control panel and LCD remote control.Fits window openings: 29'-41"W x 19"H.4 cooling and fan speeds with auto cool.4-way air deflection.24-hour on/off timer.Power failure auto restart.Removable, washable filter.Filter check reminder light.Window Installation kit included.230/208-Volt LCDI Plug (NEMA 6 - 15).Product (W x H x D): 25.98 in. x 17.72 in. x 26.22 in..⚠ WARNING: California Proposition 65 Warning. This product can expose you to chemicals including lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.govSafety Data Sheet

This 10,000 BTU unit is ideal for cooling medium size rooms up to 440 sq. ft. It has 2 cooling/heating and fan speeds to customize your comfort..Fits all existing wall openings, thus saving you from the trouble of hauling an air conditioner back and forth every year.Stay cool and calm even on extremely hot days with 2930.71 W cooling power.Maintain a cool and cozy indoor temperature with the capacity to cool rooms of up to 450 Sq. ft. area.Have more control over air flow with 2 fan speeds.4-way air deflection.User friendly digital control panel and remote control.24-hour on/off timer.Power failure auto restart.4 in 1 operation: Cool/Heat/Fan/Dry.Removable, washable filter.Filter light reminder.Thermostat can be set between 60°F and 86°F (i.e. 16°C and 30°C).Trim kit included.230/208V LCDI Plug (NEMA 6 - 20).Power cord length: 52".Through-the-Wall (TTW) wall sleeve sold separately.Product Dimensions (W x H x D) 24 in. x 14-13/32 in. x 20-3/32 in..⚠ WARNING: California Proposition 65 Warning. This product can expose you to chemicals including lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.govSafety Data Sheet

This 11,800 BTU unit is ideal for cooling medium size rooms up to 520 sq. ft. It has 2 cooling/heating and fan speeds to customize your comfort..Fits all existing wall openings, thus saving you from the trouble of hauling an air conditioner back and forth every year.Stay comfortable, even when it's hot outside with 3282.40 W cooling power.Stay comfortable with this air conditioner, which effectively cools rooms up to 520 Sq. ft..Provides enough cooling in your room with 2 fan speeds.4-way air deflection.User friendly digital control panel and remote control.24-hour on/off timer.Power failure auto restart.4 in 1 operation: Cool/Heat/Fan/Dry.Removable, washable filter.Filter light reminder.Thermostat can be set between 60°F and 86°F (i.e. 16°C and 30°C).Trim kit included.230/208V LCDI Plug (NEMA 6 - 20).Power cord length: 52".Through-the-Wall (TTW) wall sleeve sold separately.Product Dimensions (W x H x D) 24 in. x 14-13/32 in. x 20-3/32 in..⚠ WARNING: California Proposition 65 Warning. This product can expose you to chemicals including lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.govSafety Data Sheet

With a high-quality compressor offering 18,000 chilling BTUs, you can circulate air with the fan only function or cool your home up to 1,000 square feet. Allowing for window or through-the-wall installation, this versatile home air conditioner comes with both accordion style side panels and a 23.62" x 24" x 17.9" chassis/sleeve for installation. Our room air conditioners feature 3 cool settings plus auto-mode and fan only function as well as a dry mode for dehumidification. Also features up to 24-hour timer function and sleep mode. This window unit uses R32 refrigerant which has zero impact on the ozone layer, so you can stay comfortable indoors without harming the planet. Enjoy the electronic digital display and a handy remote control, so you don't have to get up from the couch in humid, sweltering weather. Removable, washable filter for easy maintenance..Window or Through-The-Wall Air Conditioner with Slide-out Chassis For Up To 1,000 Square Feet.18,000 BTU.230V/60Hz.Measures 23.62" x 25.4" x 17.9".11.8 CEER.Weighs 116.82 lbs..CSA safety certified.1 year limited warranty.3-in-1 air conditioner, dehumidifier and fan.Full function remote control.Energy Saver feature.3 cooling and fan speed only function.R32 refrigerant.Bedrooms, living rooms, home offices and ideal for apartments, this air conditioner window unit is a perfect addition when the warm weather months roll in

With reliable, window and wall-mounted air conditioning, Keystone produces consistent cooling to keep you comfortable, even on the hottest days. This 25,000 BTU window-mounted air conditioner can effectively cool rooms up to 1500 square feet with dehumidification up to 5.7 pints per hour to remove moisture from the air. Perfect for large living spaces like apartments, bedrooms, living rooms, and much more. The unit features a unique remote with a thermostat built in to sense the temperature of where you are in the room and adjusts as needed automatically. Money saving features include energy saver mode, sleep mode, and a programmable 24-hour timer. You'll know when it's time to easily remove and clean the mesh filter with the Check Filter alert. Keystone not only provides a 1-year warranty but ensures that you stay cool and comfortable at a cost-conscious price..25,000/24,700 BTU air conditioner with removable chassis for window and wall installation.Special 230-volt/20-amp electrical outlet required (Unit will not work with a standard 115V outlet).Cools a room up to 1500 sq. ft. with dehumidification up to 5.7 pints per hour.Indoor Noise Level dBA (Hi/Med/Lo): 62.7 / 62.3 / 61.7.⚠ WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.

With reliable, window and wall-mounted air conditioning, Keystone produces consistent cooling to keep you comfortable, even on the hottest days. This 18,000 BTU window-mounted air conditioner can effectively cool rooms up to 1000 square feet with dehumidification up to 3.8 pints per hour to remove moisture from the air. Perfect for large living spaces like apartments, bedrooms, living rooms, and much more. The unit features a unique remote with a thermostat built in to sense the temperature of where you are in the room and adjusts as needed automatically. Money saving features include energy saver mode, sleep mode, and a programmable 24-hour timer. You'll know when it's time to easily remove and clean the mesh filter with the Check Filter alert. Keystone not only provides a 1-year warranty but ensures that you stay cool and comfortable at a cost-conscious price..18,000/17,700 BTU air conditioner with removable chassis for window and wall installation.Special 230-volt/20-amp electrical outlet required (Unit will not work with a standard 115V outlet).Cools a room up to 1000 sq. ft. with dehumidification up to 3.8 pints per hour.Indoor Noise Level dBA (Hi/Med/Lo): 60 / 57 / 54.⚠ WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.

Enter the realm of cool comfort! Easy to install and operate, the Whirlpool 24,000 BTU window-mounted air conditioner quickly cools and dehumidifies a room up to 1,500 square feet..Energy Star compliant: 10.4 EER.24,000 BTU air conditioner for window-mounted installation.Special 230V electrical outlet required (Unit will not work with a standard 115V outlet).Cools a room up to 1,500 sq. ft. with up to 6.5 pints per hour dehumidification.On-board electronic control panel with digital display.Remote control with LCD display allows you to control the unit from across the room.3 cooling speeds plus Auto option for cooling flexibility.Eco mode uses less energy for savings on your utility bill.Sleep mode gradually increases room temperature after being activated.Programmable 24-hour on/off timer cools on your schedule.After a power failure, unit automatically restarts when power is restored.8-way directional air louvers directs the air where you need it.⚠ WARNING: California Proposition 65 Warning. This product can expose you to chemicals including lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.govSafety Data Sheet

The APC BR1500GI is a reliable line-interactive UPS designed to provide robust power protection for your critical devices with a capacity of 1500 VA and 865 watts. It features ten outlets, including five that offer battery backup with surge protection and five with surge protection only, ensuring comprehensive device safety during power interruptions or surges. Equipped with a maintenance-free lead-acid battery and an intuitive LCD display, this UPS offers real-time system information and status monitoring. Its wide input voltage range and auto-sensing frequency make it adaptable to varying power conditions. The unit also supports user-replaceable batteries and includes PowerChute software for efficient UPS management. Backed by a 2-year limited warranty, the BR1500GI is ideal for protecting home offices, small business equipment, and network devices..The UPS provides 10 outlets, with 5 offering battery backup and surge protection, ideal for protecting home office and small business equipment..It has a power capacity of 1500 VA and an output power capacity of 865 watts to support multiple devices during outages..The unit offers surge protection with a joule rating designed to safeguard connected equipment from power spikes..USB connectivity is included for seamless monitoring and management via PowerChute software..The power cord length is approximately 6 feet, providing flexible placement options..The typical battery recharge time is 8 hours to ensure readiness for the next power outage..It outputs a stable 230V AC voltage to connected devices..The UPS features a tower form factor that fits comfortably in office or workspace environments..It uses a maintenance-free lead-acid battery that is user-replaceable to extend the UPS lifespan..Safety features include surge protection, overload protection, and compliance with RoHS standards..The product is backed by a 2-year limited warranty to guarantee reliable support and service.