diff --git a/src/main.c b/src/main.c
index f24d293..12a1b91 100644
--- a/src/main.c
+++ b/src/main.c
@@ -7,6 +7,7 @@
 #include <sys/signalfd.h>
 #include <unistd.h>
 
+#include "aio.h"
 #include "cpu.h"
 #include "gpu.h"
 #include "lcd.h"
@@ -35,6 +36,7 @@ struct sensors_t {
 	struct syssensors_t sys;
 	struct cpu_sensors_t cpu;
 	struct gpu_sensors_t gpu;
+	struct aio_t aio;
 	double loadavg[3];
 };
 
@@ -52,6 +54,7 @@ static void *sensors_thread(void *arg) {
 	cpu_detect(&sensors->cpu, cpu_pcidev);
 	gpu_detect(&sensors->gpu, gpu_pcidev);
 	sys_detect(&sensors->sys, "nct6775.656");
+	aio_detect(&sensors->aio);
 
 	/* main sensor loop */
 	applog(LOG_START, "reached sensors main loop");
@@ -68,6 +71,7 @@ static void *sensors_thread(void *arg) {
 			sys_update_sensors(&sensors->sys);
 			cpu_update(&sensors->cpu);
 			gpu_update(&sensors->gpu);
+			aio_update(&sensors->aio);
 		}
 
 		pthread_cond_signal(&control.sensors_ready);
@@ -77,6 +81,7 @@ static void *sensors_thread(void *arg) {
 		clock_nanosleep(CLOCK_REALTIME, TIMER_ABSTIME, &next, NULL);
 	}
 
+	aio_close(&sensors->aio);
 	applog(LOG_WRN, "sensors thread stopped");
 	return NULL;
 }
@@ -115,6 +120,8 @@ static void *display_thread(void *arg) {
 
 		{
 			// prepare some tricky sensors
+			const uint16_t avg_fan_speed = (sensors->aio.fan_speed[0] + sensors->aio.fan_speed[1]) / 2;
+
 			char gpudelta[5];
 			const uint8_t delta = sensors->gpu.temp_hotspot - sensors->gpu.temp_edge;
 			snprintf(gpudelta, sizeof(gpudelta), "%c%d", 1, delta);
@@ -128,13 +135,14 @@ static void *display_thread(void *arg) {
 
 			lcd_writef(&lcd, 0, 1, "%d/%d%c", sensors->cpu.tctl, sensors->cpu.tccd1, 0);
 			lcd_writef(&lcd, 7, 1, "%s", P_BYTES(sensors->ram.used, 0));
+			lcd_writef(&lcd, 13, 1, "%.1f%c", sensors->aio.water_temp, 0);
 			lcd_writef(&lcd, 18, 1, "%3d%c", sensors->sys.t_sensor, 0);
 			lcd_writef(&lcd, 28, 1, "%4s%c", gpudelta, 0);
 			lcd_writef(&lcd, 25 - gpu_pos, 1, "%6s", P_BYTES(sensors->gpu.vram_used, 1));
 			lcd_writef(&lcd, 34, 1, "%d/%d%c", sensors->gpu.temp_edge, sensors->gpu.temp_hotspot, 0);
 
 			lcd_writef(&lcd, 0, 2, "%.0fW", sensors->cpu.ptotal);
-			lcd_writef(&lcd, 5, 2, "%dR", sensors->sys.fan_speed[0]);
+			lcd_writef(&lcd, 5, 2, "%dR", avg_fan_speed);
 			lcd_writef(&lcd, 12, 2, "%c%s %c%s", 3, P_BYTES(sensors->net.upload, 1), 4, P_BYTES(sensors->net.download, 1));
 			lcd_writef(&lcd, 26, 2, "%4dR", sensors->gpu.fan_speed);
 			lcd_writef(&lcd, 32, 2, "%3d/%3dW", sensors->gpu.power_avg, sensors->gpu.power_cap);