A/C Misting System w/ Fluidmaster Valve

thingiverse

This is a mod for a Fluidmaster Flush valve to enable you to connect 1/4 micro-irrigation tubing for whatever you wish OR to make this extended Air-conditioning mister system. I use the 0.4 nozzle for printing but, I tell Cura it's a 0.38 in an attempt to get a better watertight print. The 3mf file included uses 0.15 layer height for speed. I've used it with ABS and get a watertight part at 95% infill. Q: Have you noticed any difference in ac performance and/or cut power costs with a condenser mister? I know it seems like a dumb question but curious if it made a significant enough difference to justify the effort of making and installing. Thanks! A: (Hope my math is right) Performance wise we are able to maintain the house at 75 deg while the outside is 100-115 in Oklahoma this last month. The A/C runs about 1/2 to 2/3s of the day. An amp-probe shows about 10.5 amps without the mister running and 9.3 with the mister on at 105 deg. I believe that's about 11%ish and at 237v, it's a 285 watt savings per hour. Surprised me but, at an average of 12 hours run time per day: 285W X 12hours X 30days = 102.6 KWH X $0.09 (Elect Rate per KW) = $9.23 savings per month. So dollar wise not much, should pay for itself in the first year. I also look at what I believe, is the convenience of more reliability because of the lower head pressure, less run-time to reach the target temperature which is not reflected in the calculation above. This all contributes to less strain on the over-all system. From what I hear, calling for repairs is tough this year and waits are long... https://youtu.be/w1aC9d58dzw