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Energy Efficient Heat Pump Technology Heating systems that are powered by clean electricity (such as wind, solar or a less polluting gas source) can cut down on CO2 emissions from heating by as much as 75 percent. New models are more efficient today, thanks to innovations in refrigerant gas as well as other components. And they're getting smaller and sleeker to blend in more seamlessly with the home. Energy Efficiency Heat pumps are more efficient in energy use than electric resistance or other furnaces since they use ambient heat from the air to warm homes, instead of producing their own heat through burning fuel. Their efficiency in energy is measured by the coefficient of performance or COP. A high COP indicates that a single unit of electricity can produce multiple kilowatt hours of heat. In general, the current heat pumps have COPs that are approximately four, which means that a single kWh of electricity could produce four kWh of heat. The use of heat pumps can cut carbon emissions by heating buildings even in cold climates. But to truly reduce emissions, it is essential to ensure that the electricity used by heat pumps comes generated from renewable sources like solar and wind. This will increase the efficiency of energy used by heat pumps which will allow them to operate with less fossil fuels. The effectiveness of a heat pump is determined by the temperature of its two reservoirs: the indoor and the outdoor storage tanks. In cooling mode the heat pump makes use of its refrigerant and pulls air heat to move it between storage tanks. When the system shifts to heating, it reverses this flow. The outside coil is now the evaporator, while the inside coil is now the condenser. The reversing valving reverses the direction of electrical current flowing through the fluid, which is now acting as a compressor. The increased electrical power causes the working fluid to expand, pushing up the warm air inside the house. With the right conditions the heat pump can generate up to seven kilowatt hours of electricity for every kilowatt-hour energy consumed. The higher the COP the more energy efficient it is. As technology advances new models are being designed to accommodate a wider variety of climates. tumble dryer with heat pump are made to withstand freezing temperatures, while others are equipped with furnaces for use in the harshest conditions. Some governments and utilities provide incentives, such as discounts or special rates on electricity for homeowners who choose to switch to heat pumps. Some are also testing ways to make use of these appliances' flexibility by utilizing them to store and absorb renewable energy, or by rewarding consumers who help shift peak demand away from fossil fuels. Efficiency Ratings Heat pump efficiency ratings are a crucial consideration for buyers. These ratings can be a great way to evaluate heat pumps and ensure that you're getting the most efficient equipment. The most popular ratings are SEER and the HSPF. These ratings show how well a heatpump performs during the heating and cooling seasons. Other ratings that are helpful include ERP, EER, SCOP IPLV, NPLV and EER. The EER rating of a heat pump is an indication of how effectively it makes use of electricity for cooling energy. This is determined by the ratio of its cooling output to its electrical input and higher ratings mean higher efficiency. A good place to start when shopping for a new heat pump is to select one with an EER rating of high. It's worth it even though the minimum SEER rating allowed currently is 13. This will result in lower energy costs and energy consumption over time. Generation X were born in the midst of the oil crisis, and have been the driving force behind the push for more efficient appliances. Since 1992, the U.S. Department of Energy established minimum standards for heat pump that have HSF and SEER ratings. While SEER is commonly used to determine cooling ratings however, you should also search for heat pumps with an HSPF rating that is high. Heat pumps with an HSPF rating of high will be more expensive initially, but they'll eventually pay for themselves in the form of significant energy savings over time. They also reduce greenhouse gases and improve the environment. Many factors can influence the energy efficiency of a heat pump in relation to its size, as well as where it is installed within the home. A buffer tank, for instance one that allows warmer return water to mix in with cooler supply water can reduce efficiency. This is particularly relevant if it doesn't include an automatic mixing valve. The design and insulation of the ductwork on the heat pump is a different factor to consider. The heat pump will need to perform more efficiently in the event that the ducts fail to perform as they should or are not properly insulated. In some instances, the technician may be able correct this problem by cleaning the evaporator or altering the refrigerant charge. Installation A heat pump is an heating and air conditioning system that can cool your home, similar to an air conditioner. It replaces the traditional heating methods, including gas furnaces. A Carrier expert can assist you to select the right heat pump for your home and the climate. The main benefit of a heat pump is that it can work effectively in moderate climates, unlike other heating systems. The heat pump makes use of ambient air to warm the room. This air can be drawn from the ground, inside your home, or even air outside, based on the type of heat pump is selected. The primary function of a heat pump is that it can pull the same energy from the air inside your house which it uses to cool your home. This is achieved by utilizing a reversing valve to alter the direction in which refrigerant flows. Air is blown over an evaporator coil, which transfers the heat from the air to the refrigerant. The reversing switch then changes the flow direction and transforms it into condenser. This transfer the heat to the indoor air and the cycle repeats. If you're thinking of installing a heat pump for your home, you should consider obtaining a few in-home consultations from various companies that install the system. Then, compare the prices and energy efficiency ratings each one offers. This will give you a good idea of the cost, benefits, and long-term reliability of each heat pump installation. Your local Carrier expert will assist you to install a new heat-pump by properly sizing it and arranging it for optimal performance. They can evaluate the specific needs of cooling and heating in your space, as well as the size and condition of your ductwork. This allows them to select the most suitable heat pump for your needs and budget. A HVAC professional can assist you to improve your home to improve its energy efficiency. This can help you get even more energy savings from your new system. For example, upgrading your insulation or fixing air leaks can help your heat pump run more through winter by permitting it to draw in air from the colder outside. Maintenance Similar to your car, heat pumps need regular tune-ups to ensure their performance is at its best. Two maintenance visits per year, one in spring and the other in the fall, will make your system function properly during the heating season. If your heat pump fails to work correctly will likely need to use more energy to maintain the same comfort level as a well-maintained system leading to higher utility bills each month. There are a number of home maintenance tasks to improve the effectiveness of your heat pump and extend its life. Cleaning your indoor air filters monthly (or replacing them with reused ones) will improve the indoor air quality, and the heat pump will use less energy to circulate the air. Keep outdoor units free of debris, foliage, and wildlife to prevent airflow obstructions. This will also improve the efficiency of your heat pump. Another simple step to remember is to regularly inspect a heat pump for tripped circuit breakers or fuses as well as fuse blows, which could be caused by an electrical overload or ignition problem that requires expert attention. It's also important to test the thermostat frequently to ensure it's functioning at the right temperature and is not causing the system to overdrive. If you notice strange sounds emanating from your heat pump It's usually a sign that the air ducts are blocked or the blower fan is dirty. This may require professional help. It's also a good idea to clean your evaporator coils, which can reduce dust build-up and enhance airflow. Finally, ensuring the condensate drain is clear of obstructions will help prevent water leaks, blockages and fire hazards. Maintenance and repair costs differ according to the type of system you have as well as its age and how easily it can be accessed to technicians. Repairing smaller systems that only heat and cool a single room is less costly than larger units that supply cooling for the entire house. The location of a heat pump in a crawlspace can affect repair and maintenance costs.