Similarly, split-system central air conditioners installed in the Southwestern Region must be a minimum 14 SEER and 12.2 EER beginning on January 1, 2015. Where Is My SEER Rating? The higher the SEER rating on the pump, the better the efficiency of that pump is. On the customer bill, the electric utility states the amount of electric energy, in kilowatt-hours (kWh), that the customer used since the last bill, and the cost of the energy pe… This would mean that an HVAC unit with a SEER rating of SEER-14 would have an equivalent rating of SEER-12 in Santa Clarita. The higher the SEER, the more efficient the unit. SEER  stands for Seasonal Energy Efficiency Ratio. If you are not buying a Trane in the United States of America please click here. ENERGY STAR qualified Central Air Conditioners must have a SEER of at least 14.5. Based on these numbers, we can calculate that 18 SEER vs 16 SEER difference is $197.85 – $175.87 = $21,98/year. The minimum standard SEER rating is 13 for air conditioners. To obtain that certified efficiency rating, though, it is important that a contractor install a system properly. 93 – 83 = 10 +10 = 2 SEER points; SEER-14 rating – 2 SEER points = SEER-12 rating, or the equivalent SEER rating calculated for your climate area. Both ratings are useful when choosing products, but the same rating must be used for comparisons. This is because a space heater can convert only the input electrical energy directly to output heat energy, while a heat pump also transfers heat from outdoors. The highest Seer Rating is 25, though anything above the minimum rating is considered good. T A 13 or 14 SEER rating doesn’t necessarily mean a unit is inefficient. Traditional AC systems with ducts have maximum SEER ratings slightly below these levels. There’s no magic SEER number. {\displaystyle T_{H}} A SEER rating tells consumers how energy efficient a home's cooling unit is. Currently, the minimum SEER and HSPF that you can buy are: SEER 13; HSPF 7.7; If you buy an air source heat pump with a higher SEER rating, it will usually have a higher HSPF rating, too, but make sure you focus on the latter number if your heating load is higher than your cooling load. Starting January 1, 2015, split-system central air conditioners installed in the Southeastern Region of the United States of America must be at least 14 SEER. For most applications, the minimum or near-minimum SEER units are most cost effective, but the longer the cooling seasons, the higher the electricity costs, and the longer the purchasers will own the systems, the more that incrementally higher SEER units are justified. If you have more questions about SEER or want to invest in a new cooling system, a local Trane Comfort Specialist can work with you to find an energy saving option that’s the perfect fit for your current home or when your building your new energy efficient dream home. Electric energy is usually measured in kilowatt-hours (kWh). Estimating the annual savings between 14 and 17 SEER. Your A/C needs to run for a long period of time to remove humidity from your home’s air. It stands for Seasonal Energy Efficiency Ratio. In heating mode, the coefficient of performance is the ratio of heat provided to the energy used by the unit. Your licensed professional HVAC dealer can assist you in determining which heat pump and HSPF rating are right for your home and budget. Typical EER for residential central cooling units = 0.875 × SEER. Modern air conditioners have a SEER value ranging from 13 or 14 SEER as a minimum (depending on your state’s requirements), to a maximum of 21 or 25 SEER (based on modern technology limitations). Greater Indoor Comfort It’s tough to give a quick answer here, because a good SEER rating depends on what you’re looking for in a heating and cooling system. SEER Energy Savings Calculator. The amount of heat to be removed is called “tonnage.” Measured in BTUs, the heat tonnage is divided by the watts of energy needed to remove it. A heat pump with a higher SEER rating for cooling mode would also usually be more efficient in heating mode, rated using HSPF. One of the most confusing parts of buying a new air conditioner is understanding the SEER. Keep in mind that SEER ratio is a maximum efficiency rating, like the miles per gallon for your car. This measurement is calculated by the total cooling output of your system divided by the total electric energy input, or Watt-Hours, required. Higher Energy Efficiency A higher SEER rating provides greater energy efficiency in certain conditions. The same goes for your air conditioner. $197.85 per year if the SEER rating is 16. The higher the EER, the more efficient the system. In 10 years, that would be almost $220 difference. This means they’ll frequently turn on and off during mild weather and you’ll experience uneven cooling or hot and cold spots. SEER ratings are variable, which means that HVAC units with the highest SEER values may not save you money in the future or “pay for themselves.” If equipment rated at 21 SEER performs at an average of 15 SEER, it may be wiser to save money and purchase an A/C with a lower SEER rating. But don’t forget — this rating is a maximum. The SEER is thus calculated with the same indoor temperature, but over a range of outside temperatures from 65 °F (18 °C) to 104 °F (40 °C), with a certain specified percentage of time in each of 8 bins spanning 5 °F (2.8 °C). The COP of an air conditioner using the Carnot cycle is: where The annual cost of electric energy consumed by a 72,000 BTU/h (21 kW) (6 ton) air conditioning unit, operating for 1000 hours per year, with a SEER rating of 10, and an electric energy cost of $0.12 per kilowatt-hour (kWh) is: Example 2. Depending on various circumstances there may be times when it uses more energy. A SEER rating as low as 8 is common for older air conditioning systems. Additionally, there are ground-source residential AC units with SEER ratings up to 75. For the European definition, see, Calculating the annual cost of electric energy for an air conditioner, US Department of Energy Framework Public Meeting for Residential Central Air Conditioners and Heat Pumps (June 12, 2008) at 35– 36 (transcript), European seasonal energy efficiency ratio, Air Conditioning, Heating, and Refrigeration Institute, Learn how and when to remove this template message, "ANSI/AHRI 210/240-2008: 2008 Standard for Performance Rating of Unitary Air-Conditioning & Air-Source Heat Pump Equipment", Air Conditioning, Heating and Refrigeration Institute, "U.S. DOE Building America House Simulation Protocols, Revised October 2010", http://www.eesi.org/papers/view/fact-sheet-air-conditioner-efficiency-standards-seer-13-vs.-seer-12, http://www.mikesheatingandairconditioning.com/13seermandate.htm, "DOE Finalizes New Energy Conservation Standards for Residential HVAC Appliances", "Carrier Launches the Most Efficient Air Conditioner You Can Buy in America", "9,000 BTU 42 SEER Carrier Single Zone Heat Pump System - 230 Volt - High Wall", "Most Energy-efficient Ductless Model on Market Provides Significant Heating Capacity in Extreme Cold Climates", https://www.multivu.com/players/English/8251451-carrier-most-efficient-air-conditioner-ces/, "Inverter Smart Source Unit Just Released up to 62.5 EER that's up to 75 SEER", A new measure for the energy efficiency of heating and cooling devices, Climate Impacts on Heating Seasonal Performance Factor (HSPF) and Seasonal Energy Efficiency Ratio (SEER) for Air Source Heat Pumps, https://en.wikipedia.org/w/index.php?title=Seasonal_energy_efficiency_ratio&oldid=991474573, Heating, ventilation, and air conditioning, Wikipedia articles with style issues from October 2011, Articles with unsourced statements from November 2020, Creative Commons Attribution-ShareAlike License, This page was last edited on 30 November 2020, at 06:55. 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