/** * Whole House Fan * * Copyright 2014 Brian Steere * * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except * in compliance with the License. You may obtain a copy of the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License * for the specific language governing permissions and limitations under the License. * */ definition( name: "Whole House Fan", namespace: "dianoga", author: "Brian Steere", description: "Toggle a whole house fan (switch) when: Outside is cooler than inside, Inside is above x temp, Thermostat is off", 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 Thermometer", required: true } section("Indoor") { input "inTemp", "capability.temperatureMeasurement", title: "Indoor Thermometer", required: true input "minTemp", "number", title: "Minimum Indoor Temperature" input "fans", "capability.switch", title: "Vent Fan", multiple: true, required: true } section("Thermostat") { input "thermostat", "capability.thermostat", title: "Thermostat" } section("Windows/Doors") { paragraph "[Optional] Only turn on the fan if at least one of these is open" input "checkContacts", "enum", title: "Check windows/doors", options: ['Yes', 'No'], required: true input "contacts", "capability.contactSensor", title: "Windows/Doors", multiple: true, required: false } } 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(thermostat, "thermostatMode", "checkThings"); subscribe(contacts, "contact", "checkThings"); } def checkThings(evt) { def outsideTemp = settings.outTemp.currentTemperature def insideTemp = settings.inTemp.currentTemperature def thermostatMode = settings.thermostat.currentThermostatMode def somethingOpen = settings.checkContacts == 'No' || settings.contacts?.find { it.currentContact == 'open' } log.debug "Inside: $insideTemp, Outside: $outsideTemp, Thermostat: $thermostatMode, Something Open: $somethingOpen" def shouldRun = true; if(thermostatMode != 'off') { log.debug "Not running due to thermostat mode" shouldRun = false; } if(insideTemp < outsideTemp) { log.debug "Not running due to insideTemp > outdoorTemp" shouldRun = false; } if(insideTemp < settings.minTemp) { log.debug "Not running due to insideTemp < minTemp" shouldRun = false; } if(!somethingOpen) { log.debug "Not running due to nothing open" shouldRun = false } if(shouldRun && !state.fanRunning) { fans.on(); state.fanRunning = true; } else if(!shouldRun && state.fanRunning) { fans.off(); state.fanRunning = false; } }