#Ac unit calculator upgrade#

Even if your home is inspected by a municipal or county inspector, they are not looking for things like static pressure or duct sizing. Things like line-set length/sizing, duct sizing, proper duct installation, static pressure, gas pressure, and filtration systems can all greatly affect your system’s performance. Improper installation of either your air conditioner or ducting system.It would be a much better idea to make sure your home is properly insulated before upgrading your A/C unit. That is equivalent to “Not seeing the forest for the trees”. You wouldn’t necessarily want to only increase the efficiency of your new air conditioner to overcome the insufficient insulation in your home. A poorly insulated home will change the heat load on your home and increase the run time on your unit.You would not want a low-efficiency system trying to meet that extra need. This also means if you are like my wife and like Arctic type conditions in your home during the summer, a high-efficiency system may make more sense due to the longer run times your system is going to experience so that you can turn your home into a meat locker. Any thermostat set above 78 degrees will decrease the costs, and any setting set below 78 degrees will increase your energy consumption. Things that can change this number include setting your temperature extremely low during the summer. The formula above represents a 3 Ton HVAC system running approximately 2200 hours per year, the average here in Las Vegas. This is one reason why a 10 SEER can potentially be operating at the same efficiency of an 8 SEER The higher the amp draw on your motor, the more power that your system uses. An inspection by a qualified HVAC contractor/technician can identify a failing run capacitor that will cause a motor to run at higher amps. A 1/8” of dust on your blower motor can reduce the airflow of your system by up to 30% according to a study done by Texas A&M Keeping your current system clean is probably the number one thing that affects efficiency. Things that can change these numbers (for the better or for the worse) are all things that your HVAC contractor can advise you on. Unfortunately, the math above represents lab conditions and not real-world applications. Real-World Factors Not Taken Into Consideration Using these average parameters the operating costs of each unit is Average hours used for cooling annually is 2200 hoursĮquation : Tonnage X 12000 (btu’s) / SEER Rating / 1000 (to get Kwh) X Hours of use (estimated at 2200 in Las Vegas) X cost per Kwh ($.1215 per NV Energy).Typical Annual Operating Cost of an AC Unit, Based on SEER Rating:Īssumptions made for the calculations below include: Skip to the bottom of this article to see the comprehensive New AC Savings Calculator

#Ac unit calculator upgrade#

When does it make sense financially to upgrade your system? This online calculator is designed to estimate as accurately as possible the actual savings you’ll get from purchasing a new ac unit. A newer system is typically more efficient, and requires less maintenance and repairs, making it less expensive year after year. The decision to repair or replace your AC unit can be difficult.