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             Blower Fan Watt Draw Considerations for ECMs
        
        Blower Fan Watt Draw Considerations for ECMs
        
            
            
    
        
             Does a Motor Draw More or Less at lower Voltage?
        
        Does a Motor Draw More or Less at lower Voltage?
        
            
            
                                                            
                                    
                            
                        
                        
                    
                
                
                     
    
#watts law
Tech Tips:
 
        
            I'd like to give special thanks to Steve Rogers from TEC for helping write this tech tip about ECM blower fan watt draw and sharing some helpful visuals. Thanks, Steve! ACCA Standard 310 introduced a grading protocol for HVAC systems. While HVAC practitioners won’t be the ones carrying out the tasks laid out in Standard […]        
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            Have you ever noticed that a blower motor rated for 120V draws about twice the amperage of the same horsepower motor rated at 240V? That is because motors are rated in watts or horsepower, and according to Watt's law, Watts = Volts x Amps. To keep the wattage output the same at 120V, it draws […]        
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