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Care and Maintenance

  • Air cooling + heating
  • Air quality
  • Water heating
  • Alternative energy
  • Residential

    Where can an AC be installed?

    Residential AC units can be installed in a suitable position for correct function and maintenance. Both indoor and outdoor units should be placed within reach for easy access.

    For detailed installation guidelines, please refer to the manual available on our website.

    To ensure a full warranty, we recommend having the unit installed by a BT-approved installer.

    How can I calculate the BTU?

    Calculate the BTU capacity you need for your space using our BTU calculator.

    Is copper piping included in the installation?

    Yes, up to 4 metres of copper is included in the installation.

     

    Why and how often should I clean the filters?

    Regular filter cleaning is essential for maintaining the efficiency and indoor air quality of your GREE residential air conditioning. We recommend cleaning the filters every 3–4 weeks to ensure proper airflow and to keep your air conditioning free from dust, allergens, and germs. Depending on the type of filter you have, you may need filter replacements. Frequent filter cleaning can help prevent common issues and reduce the risk of serious breakdowns.

    How often should I book a service?

    For optimal performance, we recommend that air conditioners are fully serviced in low seasons once every year by a qualified technician.

    Contact us and set an appointment today.

    Is there anything I should check before I call after-sales for a repair?

    Before calling our after-sales team, we recommend that:

    • Filters are clean
    • Mode is set to desired mode (heating, cooling, dry)
    • If you have an error just on your remote control, it means you need to replace the batteries
    • Take note of any error codes that are displayed on the indoor unit and any strange noises before reporting them to our after-sales department.
    • Take note of the model number of your AC because the after-sales team will ask you for it.

    Indoor Unit Error Code Guide

    When the air conditioner status is abnormal, the temperature indicator on the indoor unit will blink to display the corresponding error code.

    For more details visit out Troubleshooting area on our website.

    Why does my AC emit a bad odour?

    Possible causes of bad odour from Air conditioners:

    Dirty evaporator coils, clogged condensate drain pans, and stagnant water can cause the smell of dirty socks. Usually, a professional cleaning will do the trick.

    Setting your AC temperature equal to ambient temperature can also result in a very bad odour.

    Why is my outdoor unit dripping water?

    When using ac on heating it is normal that water condensate comes out of the outdoor unit.

    What is the Copper Preparation Policy

    As per our copper policy, payment for all works (raw materials) done on the copper preparation day must be made on the same day. When we perform installations on existing copper pipes, a deduction of €50 for the copper material cost will be applied to each AC unit. However, if copper cleaning is required on existing copper pipes, which also costs €50, the deduction will be adjusted to cover the copper cleaning charges.

    Commercial

    Which indoor units can be used with Multi VRF?

    Are you wondering which indoor units can be used with our Multi VRF systems? Visit our website to find detailed information about compatible indoor units and make the right choice for your commercial space.

    What is the difference between VRF and split AC?

    When comparing VRF systems to traditional split AC units, it’s important to note that VRF (Variable Refrigerant Flow) systems are designed for commercial use and can efficiently handle differentiated loads. They dynamically adjust the refrigerant flow to each indoor unit to provide both heating and cooling, unlike multi-split or split AC units.

    What is a VRF system and how it works?

    VRF systems, short for Variable Refrigerant Flow, utilize heat pumps or heat recovery systems to deliver powerful heating and cooling to all indoor and outdoor units in your building. In a VRF system, multiple indoor units are serviced by a single outdoor condensing unit, whether with a heat pump or heat recovery system (HR).

    Can the VRF system heat and cool at the same time?

    VRF heat-recovery systems provide simultaneous cooling and heating as well as heat recovery. This means energy can be transferred from cooling zones to heating zones within your building.

    What regular maintenance does the AC system need?

    Regular maintenance is essential for optimal performance. Regularly checking and cleaning filters can help prevent common issues and reduce the risk of major breakdowns. This alone can eliminate many of the most common problems that need fixing and can significantly reduce the possibility of a serious breakdown. We recommend that your heating and cooling system be checked and serviced once every two years; ideally a spring and autumn tune-up.

    Why do I need to clean filters regularly?

    Regular filter cleaning helps your heating and cooling system operate at peak levels and improves indoor air quality. It is important to clean filters regularly to ensure proper airflow and to keep your home free from dust, allergens and germs. Depending on the type of filter you have, you may require filter replacements.

  • Air purifiers

    How often should I replace the filter in my air purifier?

    It’s recommended to replace the filter every 6 to 12 months, depending on usage and the specific model. Check the user manual for the exact replacement schedule.

    What types of filters are used in air purifiers?

    Air purifiers commonly use HEPA filters, activated carbon filters, and pre-filters to remove various airborne particles, odours, and pollutants.

    Can air purifiers help with allergies?

    Yes, air purifiers can help reduce allergens such as dust, pollen, and pet dander, making the air cleaner and more comfortable for allergy sufferers.

     

    How large of an area can an air purifier cover?

    The coverage area varies by model, but most air purifiers specify the square footage they can effectively purify. Always choose a unit suitable for your room size.

    Do air purifiers help remove odors?

    Yes, air purifiers with activated carbon filters are effective at absorbing and neutralising odours from smoke, cooking, pets, and more.

    Are air purifiers noisy?

    Most air purifiers operate quietly, but noise levels can vary by model and fan speed setting. Many units offer a low or silent mode for nighttime use.

     

    How do I maintain my air purifier?

    Regular maintenance includes cleaning or replacing filters, wiping down the exterior, and ensuring the unit is free from dust and debris. Always refer to the user manual for specific instructions.

    Can air purifiers remove viruses and bacteria?

    Some air purifiers with HEPA filters and UV-C light technology can reduce airborne bacteria and viruses, but they should not be relied upon solely for disinfection.

    Air curtains

    What is an air curtain and how does it work?

    An air curtain is a device that creates an invisible barrier of air at a doorway, separating different temperature zones and preventing outside air, insects, and dust from entering a space.

    Where can air curtains be installed?

    Air curtains can be installed in various locations, including commercial entrances, warehouses, cold storage rooms, and food service areas, to maintain indoor climate and hygiene.

     

    Do air curtains save energy?

    Yes, air curtains help maintain indoor temperature by reducing the loss of heated or cooled air, leading to lower energy consumption and cost savings.

    How loud are air curtains during operation?

    Noise levels vary depending on the model and airflow rate. Many air curtains are designed to operate quietly, making them suitable for environments where noise is a concern.

    Can air curtains be used with doors that frequently open and close?

    Yes, air curtains are ideal for doors that frequently open and close, as they help maintain a consistent indoor environment even with regular door activity.

     

    What maintenance is required for air curtains?

    Routine maintenance includes cleaning the air intake and discharge grills, checking the motor and fan for dust buildup, and ensuring the unit is functioning properly. Refer to the user manual for specific maintenance instructions.

    Can air curtains help with pest control?

    Yes, air curtains can create a barrier that deters flying insects and pests from entering a space, which is particularly beneficial for food service and healthcare facilities.

    Are air curtains easy to install?

    Air curtains are generally easy to install and can be mounted above the door using brackets. However, professional installation is recommended to ensure proper placement and functionality.

    Dehumidifiers

    How does a dehumidifier work?

    A dehumidifier removes excess moisture from the air by drawing in humid air, cooling it to condense water, and then releasing dry air back into the room.

    What size dehumidifier do I need for my space?

    The size you need depends on the room’s square footage and humidity level. Larger spaces or areas with high humidity may require a higher capacity unit.

    How often do I need to empty the water tank?

    The frequency depends on the humidity level and the dehumidifier’s capacity. Many models also have a continuous drain option to eliminate the need for manual emptying.

    Can I use a dehumidifier in a cold room?

    Dehumidifiers are most efficient at temperatures above 15°C (59°F). In colder conditions, consider a unit designed for low temperatures to prevent freezing and maintain performance.

    How do I maintain my dehumidifier?

    Regular maintenance includes cleaning the air filter, wiping down the exterior, and checking the water tank or drainage system. Always refer to the user manual for detailed care instructions.

    How long should I run my dehumidifier each day?

    This depends on the humidity level in your space. Many units have an automatic humidity control feature that adjusts operation to maintain the desired humidity level.

    Can dehumidifiers help with allergies?

    Yes, dehumidifiers can reduce the moisture that fosters mold and dust mites, thereby improving air quality and potentially alleviating allergy symptoms.

    Do dehumidifiers consume a lot of energy?

    Modern dehumidifiers are designed to be energy-efficient. The energy consumption varies depending on the model’s capacity and features. Look for units with energy-saving settings for better efficiency.

    Ventilation

    What is an Energy Recovery Ventilator (ERV) and how does it work?

    An ERV exchanges stale indoor air with fresh outdoor air while recovering energy from the outgoing air, which helps to maintain indoor temperature and humidity levels efficiently.

     

    How does an ERV with a DX Coil differ from a standard ERV?

    An ERV with a DX Coil includes an additional coil that can provide cooling or heating to the incoming air, enhancing comfort and energy efficiency.

    What is an Air Handling Unit (AHU) Kit, and what is it used for?

    An AHU Kit is a modular system used in larger buildings to regulate and circulate air as part of the HVAC system. It can include components for filtering, heating, cooling, humidifying, and ventilating.

    Can these systems improve indoor air quality?

    Yes, all these systems help improve indoor air quality by providing fresh air, reducing humidity, and filtering out pollutants and contaminants.

    Are these ventilation systems energy-efficient?

    Yes, ERVs and systems with DX Coils are designed to recover energy and reduce heating and cooling loads, while AHU Kits can be customized for high energy efficiency.

    How do I maintain a ventilation system?

    Regular maintenance includes cleaning or replacing filters, checking and cleaning heat exchangers, and inspecting all components for proper operation. Refer to the specific product manual for detailed maintenance instructions.

    What factors should I consider when choosing a ventilation system?

    Consider the size of the space, the desired air exchange rate, the specific climate conditions, and energy efficiency requirements.

    Can these systems be integrated with existing HVAC systems?

    Yes, ERVs, ERVs with DX Coils, and AHU Kits can often be integrated with existing HVAC systems to enhance ventilation, heating, and cooling performance.

    Fans

    How do I choose the right stand fan for my space?

    Consider the size of the room, desired airflow, and any additional features such as oscillation or remote control. Larger rooms may require a fan with higher power or larger blade size.

    How do I adjust the height of my stand fan?

    Most stand fans have an adjustable height mechanism. Simply locate the height adjustment lever or knob, and adjust to the desired height while ensuring the fan is turned off.

    How often should I clean my stand fan?

    It’s recommended to clean your stand fan every 1-2 months. Dust the blades and grille regularly, and wipe them down with a damp cloth. Ensure the fan is unplugged before cleaning.

    Can stand fans be used outdoors?

    Stand fans are generally designed for indoor use. If used outdoors, ensure they are protected from moisture and extreme weather conditions to avoid damage.

    How do I control the fan speed and oscillation?

    Most stand fans have a control panel or remote control that allows you to adjust the fan speed and enable or disable oscillation. Follow the user manual for specific instructions on operating these features.

     

    Are stand fans energy-efficient?

    Yes, stand fans are generally energy-efficient compared to air conditioning units. They use less power while providing effective air circulation to cool a space.

    What should I do if my stand fan stops working?

    Check if the fan is properly plugged in and if there is a functioning power source. Inspect for any visible damage or blockages. If the fan still doesn’t work, consult the troubleshooting section of the manual or contact our after-sales team.

    Can I use a stand fan while sleeping?

    Yes, stand fans are suitable for use while sleeping. Many models have a quiet operation mode and adjustable settings that can be tailored for comfort during the night.

  • Electric water heaters

    How do I set the temperature on my Bosch electric water heater?

    Temperature settings are usually controlled via a dial or digital control panel on the unit. Consult the user manual for specific instructions on adjusting the temperature.

    How often should I flush my Bosch electric water heater?

    It is recommended to flush the tank annually to remove sediment buildup. Regular maintenance helps ensure efficient operation and extends the lifespan of the heater.

    What is the warranty period for Bosch electric water heaters?

    Warranty periods vary by installation type. We offer a warranty of 5 years parts and labour on the electrical components and inside holding tank if the product is connected to a gravity water supply, otherwise warranty is of 2 years.

    How can I troubleshoot if my water heater isn’t heating properly?

    First, check if the unit is properly powered and the thermostat is set to the desired temperature. If the issue persists, inspect for any error codes or malfunctions and refer to the troubleshooting section of the manual or contact our after-sales team.

    Are Bosch electric water heaters energy-efficient?

    Yes, Bosch electric water heaters are designed to be energy-efficient, often featuring advanced insulation and heating technology to reduce energy consumption and operating costs.

    Can I install a Bosch electric water heater myself?

    While some models can be installed by DIY enthusiasts, it is recommended to have a licensed plumber or electrician handle the installation to ensure safety and compliance with local codes.

    How do I maintain my Bosch electric water heater?

    Regular maintenance includes checking the anode rod, inspecting the tank for leaks, and ensuring the thermostat is functioning correctly. Refer to the user manual for detailed maintenance instructions.

    What should I do if my water heater is leaking?

    If you notice a leak, turn off the power supply and water source immediately. Inspect the area to identify the source of the leak and contact a professional plumber or technician for repair.

    Residential heatpumps

    How does a heat pump water heater work?

    A heat pump water heater extracts heat from the air and uses it to heat the water in the tank. It operates efficiently by transferring heat rather than generating it directly.

    What is the ideal location for installing a heat pump water heater?

    Install the heat pump water heater in a well-ventilated space with consistent air temperature, such as a basement, garage, or utility room, to maximize efficiency and performance.

    How often should I perform maintenance on my heat pump water heater?

    Regular maintenance includes checking and cleaning the air filters, inspecting the condenser coils, and ensuring the unit is free from debris. An annual check-up by a professional is also recommended.

    What temperature should I set on my heat pump water heater?

    A common recommendation is to set the thermostat to 49°C for a balance of energy efficiency and comfortable hot water. Adjustments can be made based on personal needs and preferences.

    Are heat pump water heaters energy-efficient?

    Yes, heat pump water heaters are highly energy-efficient compared to traditional electric water heaters, as they use ambient air to heat water, reducing electricity consumption.

     

    Can a heat pump water heater operate in cold climates?

    Heat pump water heaters are designed to operate in a range of temperatures. However, their efficiency may decrease in very cold climates. Some models have a backup electric element for colder conditions.

     

    How long is the typical lifespan of a heat pump water heater?

    The average lifespan of a heat pump water heater is around 10 to 15 years, depending on usage, maintenance, and water quality.

     

    What should I do if my heat pump water heater isn’t producing hot water?

    Check if the unit is receiving power and if the thermostat is set correctly. Ensure the air filters and coils are clean. If the issue persists, consult the troubleshooting guide or contact our after-sales team to schedule an appointment with one of our professional technicians.

    Commercial heatpumps

    What is a commercial heat pump water heater, and how does it work?

    A commercial heat pump water heater uses electricity to move heat from the air or ground to heat water, rather than generating heat directly. This process is highly efficient and can reduce energy consumption compared to traditional water heaters. Our Gree Versati heat pumps are designed for large-scale applications, providing reliable and cost-effective water heating.

    What are the benefits of using the Gree Versati heat pump for my commercial needs?

    The Gree Versati heat pump offers several benefits, including high energy efficiency, reduced operating costs, and environmental friendliness. It features advanced technology for reliable performance, easy installation, and versatility for various commercial applications.

    How does a swimming pool heat pump differ from a commercial water heater heat pump?

    A swimming pool heat pump is specifically designed to heat pool water and maintain a comfortable temperature for swimming. It operates efficiently in outdoor conditions and is optimized for pool water volumes. In contrast, commercial water heater heat pumps, like the Gree Versati, are designed for larger-scale water heating needs in facilities such as hotels or businesses.

    What maintenance is required for Gree Versati heat pumps and swimming pool heat pumps?

    Regular maintenance for both types of heat pumps includes checking and cleaning filters, inspecting coils, and ensuring proper water and air flow. For swimming pool heat pumps, it’s also important to monitor pool chemical levels and ensure the heat pump is protected from debris. Scheduled professional maintenance can help extend the lifespan and efficiency of the units.

    How long does it typically take to install a commercial heat pump water heater?

    Installation time can vary depending on the complexity of the system and the specific requirements of your commercial facility. On average, installation of a commercial heat pump water heater can take from one to several days. Our team will provide a detailed estimate based on your project needs.

    What is the expected lifespan of a Gree Versati heat pump?

    The Gree Versati heat pump is designed for durability and long-term performance. With proper maintenance, you can expect a lifespan of around 10 to 15 years. Regular servicing and timely repairs can help maximize its operational life.

    How does the energy efficiency of heat pump water heaters compare to traditional water heaters?

    Heat pump water heaters, such as the Gree Versati, are significantly more energy-efficient compared to traditional electric or gas water heaters. They can achieve energy savings of up to 50% due to their ability to transfer heat rather than generate it directly.

    What size heat pump do I need for my commercial application?

    The size of the heat pump required depends on factors such as the size of the facility, the volume of water to be heated, and the specific heating demands. Our experts can conduct a thorough assessment to determine the appropriate size and model for your commercial application.

  • Solar panel systems

    What are Solar Panels (PV Panels)?

    Solar Panels, or Photovoltaic (PV) Panels, are devices that convert sunlight into electricity. They are designed to work for about 360 days a year, providing energy for approximately 8 daylight hours, depending on sun exposure. People install solar panels to live sustainably, reduce electricity bills, and potentially create revenue.

    How do I choose the right PV system for my needs?

    When selecting a PV system, focus on durability and reliability to ensure a good return on your investment. Key factors include the place of manufacture, the size and efficiency of the panels, warranty details, and after-sales support.

    Why is the place of manufacture important for a PV system?

    Choosing a PV system manufactured with care for a greener world and a cleaner environment is crucial for a healthier future. The place of manufacture can impact the system’s quality and environmental impact.

    Does the size of a solar panel matter?

    Not necessarily. A larger solar panel does not always mean more energy generation. The efficiency of the panel, measured in watts per square meter, along with its overall quality, is more important for effective energy production.

    What is the difference between product and performance warranties?

    Most solar panel manufacturers offer a performance warranty, which guarantees the panel’s ability to produce energy over time. However, this may not cover the product itself for the same duration. It’s important to choose a manufacturer that offers a reliable product warranty and robust after-sales service.

    What should I consider for maintaining my solar panels?

    Regular maintenance is essential to ensure the longevity and efficiency of your solar panels. This includes cleaning the panels, checking for shadows from leaves or bird droppings, and scheduling regular inspections for the system’s structure, inverter output, and connections. Using a monitoring system can help identify issues early.

    Should I consider hail resistance when choosing a PV system?

    Yes, given the increasing frequency of severe weather conditions, it’s wise to choose solar panels that are certified for hail resistance. Most panels are tested according to the IEC 61215 standard, which includes a hail test with 25 mm hailstones to ensure durability.

    How can I control my electrical consumption to improve solar panel performance?

    To maximize the benefits of your solar panels, consider reducing your overall electrical consumption. This might involve switching to more efficient water heaters or other energy-saving measures. BT Commercial offers solutions to help you achieve these goals.

    How can I generate income from my PV system?

    The income potential of your PV system depends on the number of panels, their efficiency, and available roof space. If you have ample roof space, you might generate excess electricity that can be sold back to the grid, creating an additional source of income. BT Commercial can help you find the best solution for your specific needs.

    What if my roof has shaded areas?

    Shaded areas can affect the performance of your PV system. To optimize energy output in these conditions, consider using inverters with power optimizers, which track the maximum power point of each panel individually. This technology can help maintain high efficiency even in partially shaded areas.

    What are the main components of a PV system?

    A PV system typically consists of three main parts:

    1. Panels: Available in monocrystalline or polycrystalline types. Monocrystalline panels are more efficient but usually more expensive.
    2. Mounting Structure: Supports the panels and must be durable enough to withstand local weather conditions.
    3. Inverter: Converts the direct current (DC) produced by the panels into alternating current (AC) used by your home and the grid.

    How does the inverter optimize performance for shaded panels?

    An inverter converts the DC power from the panels into AC power for use in your home and the grid. Inverters with optimizers can enhance performance by managing power output even if some panels are shaded. This technology helps maximize the overall energy production of your PV system.

    Do you support government schemes and green loans?

    Yes, we support the current government scheme which offers a grant of up to €3,000 for a solar panel system and up to €10,200 for a system with a hybrid inverter and battery. Additionally, a feed-in tariff of 10c5 per unit is available and guaranteed for 20 years.