Had to have a new well drilled and weâre trying to determine what kind of pump to put in. 340 ft well has plenty of water (25+ gpm). We can use up to 15 to 20 gallons per minute irrigating lawn/pasture and garden. Problem is, the 3 hp pump needed for that cycles on/off when using less water. I should add more pressure tanks to reduce the cycling. My pump man says thereâs a variable speed pump that maintains constant pressure (50 psi) thatâs been used in domestic wells about the past 5 years. It would adjust to the flow needed for different volumes of watering. My concern was that when not irrigating, it would have to come on more often with regular household use (e.g. flushing toilet). He says it comes on every half a psi drop in pressure, but it is a soft start, versus the high amp start of a standard pump. With all the plumbing, trench digging, and new pump and 500 ft of wire, and new pipe down the well, etc, the variable speed system is about $3700 vs $3300 for standard pump system. The variable speed needs smaller wire. It would reduce pressure tank replacement costs down the road. Hopefully it would lengthen pump life by reducing hard start cycling. Iâm wondering if anyone knows of this system and has any comments. The concept sounds good, but is there something Iâm missing? The pump guy says itâs too early to know longevity, but they seem to work. He says he hasnât pushed it too hard because of the extra expense â often a thousand bucks more. My long wire run helps make the cost gap smaller. Pumpman said I could read about it at Franklinelectric.com, which I will, but hoping someone has experience or perspective. Iâve thought of having a storage tank with separate pump for irrigating, supplied by a 1-1/2 hp standard well pump system. But Iâd have to re-plumb to get that water from the tank to where itâs needed. Iâd like to keep things simple. Anyway, thanks for any comments.