The horizontal length of the gutter that is attached to the house and where runoff water falls into.
													
																	Roof leng for gutters. 
								
	
		
	
																	6 inch 7 960 square feet. 
																	5 inch 5 520 square feet. 
																	With us average electric price of 0 13 kwh you will be spending 7 25 per day if your system is running full 24 hours. 
																	If a roof s various drainage areas call for different size gutters go for the biggest one k style. 
															
													
								
	
		
	
																	A low slope roof is anywhere from 2 in 12 to 4 in 12. 
																	Therefore this roof should be equipped with 6 inch k style gutters. 
																	A vertical pipe where water goes through from gutters and roof catchments to the drainage. 
																	Multiplying that number by the local maximum rainfall intensity 6 8 inches per hour yields an adjusted square footage of 7 480 square feet. 
															
													
								
	
		
	
																	Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage. 
																	A device that disperses water away from the house. 
																	Then use the information below to see what size gutter you need. 
																	The 6 in 12 pitch factor 1 1 multiplied by 1 000 yields an effective area of 1 100 square feet. 
															
													
								
	
		
	
																	That equals to 2 3kwh per hour or almost 56kwh per day of continuous operation.