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July 20, 2017 15:10
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| /** | |
| * Whole House Fan II | |
| * | |
| * Copyright 2017 John Culviner | |
| * | |
| * MIT LICENSE | |
| */ | |
| definition( | |
| name: "Whole House Fan II", | |
| namespace: "culviner", | |
| author: "John Culviner", | |
| description: "Makes recommendations to open windows and turn on whole house fan based on indoor/outdoor conditions. Takes actions once you open/close window", | |
| category: "Green Living", | |
| iconUrl: "https://s3.amazonaws.com/smartapp-icons/Developers/whole-house-fan.png", | |
| iconX2Url: "https://s3.amazonaws.com/smartapp-icons/Developers/whole-house-fan%402x.png" | |
| ) | |
| preferences { | |
| section("Outdoor") { | |
| input "outTemp", "capability.temperatureMeasurement", title: "Outdoor Temperature", required: true | |
| input "outHumidity", "capability.relativeHumidityMeasurement", title: "Outdoor Humidity", required: true | |
| } | |
| section("Indoor") { | |
| input "inTemp", "capability.temperatureMeasurement", title: "Indoor Temperature", required: true | |
| input "inHumidity", "capability.relativeHumidityMeasurement", title: "Indoor Humidity", required: true | |
| input "minInTemp", "number", title: "Minimum Indoor Temperature" | |
| input "maxInHumidity", "number", title: "Maximum Indoor Humidity" | |
| input "fan", "capability.switch", title: "Fan Outlet", required: true | |
| } | |
| section("Thermostat") { | |
| input "thermostat", "capability.thermostat", title: "Thermostat" | |
| } | |
| section("Windows/Doors") { | |
| input "contacts", "capability.contactSensor", title: "Fan Window", required: true, multiple: true | |
| } | |
| } | |
| def installed() { | |
| log.debug "Installed with settings: ${settings}" | |
| initialize() | |
| } | |
| def updated() { | |
| log.debug "Updated with settings: ${settings}" | |
| unsubscribe() | |
| initialize() | |
| } | |
| def initialize() { | |
| state.fanRunning = false | |
| subscribe(outTemp, "temperature", "checkThings") | |
| subscribe(inTemp, "temperature", "checkThings") | |
| subscribe(inHumiditiy, "humidity", "checkThings") | |
| subscribe(outHumidity, "humidity", "checkThings") | |
| subscribe(thermostat, "thermostat", "checkThings") | |
| subscribe(contacts, "contact", "checkThings") | |
| } | |
| def checkThings(evt) { | |
| def indoorHumidity = settings.inHumidity.humidity | |
| def outsideTemp = heatIndexCalc(settings.outTemp.currentTemperature, settings.outHumidity.humidity) | |
| def insideTemp = heatIndexCalc(settings.inTemp.currentTemperature, indoorHumidity) | |
| def thermostatMode = settings.thermostat.currentThermostatMode | |
| def windowsOpen = settings.contacts?.find { it.currentContact == 'open' } | |
| log.debug "Inside: $insideTemp, Outside: $outsideTemp, Thermostat: $thermostatMode, Something Open: $windowsOpen" | |
| def reason = "" | |
| def shouldRun = true | |
| if (insideTemp < outsideTemp) { | |
| reason = "insideTemp < outdoorTemp" | |
| shouldRun = false | |
| if (state.fanRunning) { | |
| sendPush("I'm turning off the fan. I recommend you close your windows because ${reason}") | |
| } | |
| } | |
| if (insideTemp < settings.minInTemp) { | |
| reason = "insideTemp < minInTemp" | |
| shouldRun = false | |
| if (state.fanRunning) { | |
| sendPush("I'm turning off the fan because ${reason}") | |
| } | |
| } | |
| if (indoorHumidity > settings.maxInHumidity) { | |
| reason = "Not running due to insideTemp < minInTemp" | |
| shouldRun = false | |
| if (state.fanRunning) { | |
| sendPush("I'm turning off the fan because ${reason}") | |
| } | |
| } | |
| if (shouldRun && !windowsOpen) { | |
| reason = "Please open your window so I can turn on the fan!" | |
| sendPush(reason) | |
| shouldRun = false | |
| } | |
| log.debug(reason) | |
| if (shouldRun && !state.fanRunning) { | |
| fan.on() | |
| state.fanRunning = true | |
| } else if (!shouldRun && state.fanRunning) { | |
| fan.off() | |
| state.fanRunning = false | |
| } | |
| } | |
| def heatIndexCalc(def F, def rh) { | |
| def Hindex | |
| Hindex = -42.379 + 2.04901523 * F + 10.14333127 * rh | |
| Hindex = Hindex - 0.22475541 * F * rh - 6.83783 * Math.pow(10, -3) * F * F | |
| Hindex = Hindex - 5.481717 * Math.pow(10, -2) * rh * rh | |
| Hindex = Hindex + 1.22874 * Math.pow(10, -3) * F * F * rh | |
| Hindex = Hindex + 8.5282 * Math.pow(10, -4) * F * rh * rh | |
| Hindex = Hindex - 1.99 * Math.pow(10, -6) * F * F * rh * rh | |
| DecimalFormat df = new DecimalFormat(RESULT_FORMAT) | |
| df.setRoundingMode(RoundingMode.HALF_UP) | |
| return Double.parseDouble(df.format(Hindex)) | |
| } |
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