diff -r 66d4e137b99d -r 00ca08f5a6f8 thermferm/thermferm.c
--- a/thermferm/thermferm.c	Tue Sep 15 17:29:15 2015 +0200
+++ b/thermferm/thermferm.c	Wed Sep 16 22:05:05 2015 +0200
@@ -811,7 +811,7 @@
 
 int server(void)
 {
-    char                buf[1024], *filename, target[40], heater[40], cooler[40], fan[40], door[40];
+    char                buf[1024], *filename, target_lo[40], target_hi[40], heater[40], cooler[40], fan[40], door[40];
     char		use_heater[40], use_cooler[40], use_fan[40], room_temp[40];
     time_t		now, last = (time_t)0;
     units_list		*unit;
@@ -826,7 +826,7 @@
     long		t = 0;
 #endif
     int			current_step, valid_step, time_until_now;
-    float		previous_target;
+    float		previous_target_lo, previous_target_hi;
 
 
     if (lockprog((char *)"thermferm")) {
@@ -1144,7 +1144,9 @@
 
 			    switch (unit->prof_state) {
 				case PROFILE_OFF:
-						unit->prof_target = profile->inittemp;
+						unit->prof_target_lo = profile->inittemp_lo;
+						unit->prof_target_hi = profile->inittemp_hi;
+						unit->prof_fridge_mode = 0;
 						unit->prof_percent = 0;
 						break;
 				case PROFILE_PAUSE:
@@ -1158,7 +1160,8 @@
 						 * Calculate current profile step and desired temperature.
 						 * When all steps are done, set state to PROFILE_DONE.
 						 */
-						previous_target = profile->inittemp;
+						previous_target_lo = profile->inittemp_lo;
+						previous_target_hi = profile->inittemp_hi;
 						time_until_now = current_step = 0;
 						run_seconds = (int)(now - unit->prof_started - unit->prof_paused);
 						run_minutes = run_seconds / 60;
@@ -1216,24 +1219,31 @@
 							 * This is our current step
 							 */
 							valid_step = TRUE;
+							unit->prof_fridge_mode = step->fridge_mode;
 							if (debug)
-							    fprintf(stdout, "step=%d step_pos=%d step=%d/%d target=%.1f ", 
+							    fprintf(stdout, "step=%d step_pos=%d step=%d/%d target=%.1f..%.1f ", 
 									    current_step, run_hours - time_until_now,
-									    step->steptime, step->resttime, step->target);
+									    step->steptime, step->resttime, step->target_lo, step->target_hi);
 							if ((run_hours - time_until_now) < step->steptime) {
-							    unit->prof_target = previous_target + (((run_minutes - (time_until_now * 60.0)) / (step->steptime * 60.0)) * (step->target - previous_target));
+							    unit->prof_target_lo = previous_target_lo + (((run_minutes - (time_until_now * 60.0)) / (step->steptime * 60.0)) * (step->target_lo - previous_target_lo));
+							    unit->prof_target_hi = previous_target_hi + (((run_minutes - (time_until_now * 60.0)) / (step->steptime * 60.0)) * (step->target_hi - previous_target_hi));
 							    if (debug)
-								fprintf(stdout, "tempshift=%.1f  minutes=%d duration=%d temp_move=%.3f ", 
-										step->target - previous_target, run_minutes - (time_until_now * 60), 
-										step->steptime * 60, unit->prof_target);
+								fprintf(stdout, "tempshift=%.1f..%.1f  minutes=%d duration=%d temp_move=%.3f..%.3f ", 
+										step->target_lo - previous_target_lo,
+										step->target_hi - previous_target_hi,
+										run_minutes - (time_until_now * 60), 
+										step->steptime * 60, unit->prof_target_lo, unit->prof_target_hi);
 							} else {
-							    unit->prof_target = step->target;
-							    fprintf(stdout, "resting target=%.1f ", step->target);
+							    unit->prof_target_lo = step->target_lo;
+							    unit->prof_target_hi = step->target_hi;
+							    if (debug)
+							    	fprintf(stdout, "resting target=%.1f..%.1f ", step->target_lo, step->target_hi);
 							}
 							break;
 						    }
 						    time_until_now += step->steptime + step->resttime;
-						    previous_target = step->target;
+						    previous_target_lo = step->target_lo;
+						    previous_target_hi = step->target_hi;
 						}
 						if (debug)
 						    fprintf(stdout, " %s %02d:%02d\n", valid_step ? "TRUE":"FALSE", minutes, seconds);
@@ -1241,9 +1251,10 @@
 						if (valid_step == TRUE) {
 						    unit->prof_percent = (100 * run_minutes) / tot_minutes;
 						    if (((minutes == 10) || (minutes == 40)) && (seconds == 1)) {
-						    	syslog(LOG_NOTICE, "Profile `%s' running %dd %02d:%02d in step %d, %d%% done, target %.3f degrees", 
+						    	syslog(LOG_NOTICE, "Profile `%s' running %dd %02d:%02d in step %d, %d%% done, target %s %.3f..%.3f degrees", 
 								profile->name, run_hours / 24, run_hours % 24, run_minutes % 60, current_step, 
-								unit->prof_percent, unit->prof_target);
+								unit->prof_percent, unit->prof_fridge_mode ? (char *)"air":(char *)"beer",
+								unit->prof_target_lo, unit->prof_target_hi);
 						    }
 						} else {
 						    /*
@@ -1259,13 +1270,20 @@
 						/*
 						 * Keep this state, set target temperature to the last step.
 						 */
-						previous_target = profile->inittemp;
+						previous_target_lo = profile->inittemp_lo;
+						previous_target_hi = profile->inittemp_hi;
+						unit->prof_fridge_mode = profile->fridge_mode;
 						for (step = profile->steps; step; step = step->next) {
 						    if (step->steptime == 0)
 							break;
-						    previous_target = step->target;
+						    previous_target_lo = step->target_lo;
+						    previous_target_hi = step->target_hi;
+						    unit->prof_fridge_mode = step->fridge_mode;
+
 						}
-						unit->prof_target = previous_target;
+						unit->prof_target_lo = previous_target_lo;
+						unit->prof_target_hi = previous_target_hi;
+						unit->prof_fridge_mode = step->fridge_mode;
 						unit->prof_percent = 100;
 						break;
 			    } /* switch */
@@ -1369,8 +1387,12 @@
 			unit->PID_cool->Input = unit->PID_heat->Input = unit->beer_temperature / 1000.0;
 			unit->PID_cool->Mode = unit->PID_heat->Mode = PID_MODE_AUTO;
 		    } else if (unit->mode == UNITMODE_PROFILE) {
-			unit->PID_cool->SetP = unit->PID_heat->SetP = unit->prof_target;
-			unit->PID_cool->Input = unit->PID_heat->Input = unit->beer_temperature / 1000.0;
+			unit->PID_cool->SetP = unit->prof_target_hi;
+			unit->PID_heat->SetP = unit->prof_target_lo;
+			if (unit->prof_fridge_mode)
+			    unit->PID_cool->Input = unit->PID_heat->Input = unit->air_temperature / 1000.0;
+			else
+			    unit->PID_cool->Input = unit->PID_heat->Input = unit->beer_temperature / 1000.0;
 			unit->PID_cool->Mode = unit->PID_heat->Mode = PID_MODE_AUTO;
 		    }
 
@@ -1517,7 +1539,8 @@
 		for (unit = Config.units; unit; unit = unit->next) {
 		    if (unit->mode != UNITMODE_OFF) {
 
-			snprintf(target, 39, "NA");
+			snprintf(target_lo, 39, "NA");
+			snprintf(target_hi, 39, "NA");
 			snprintf(heater, 39, "NA");
 			snprintf(cooler, 39, "NA");
 			snprintf(fan, 39, "NA");
@@ -1527,12 +1550,16 @@
 			snprintf(use_fan, 39, "NA");
 			snprintf(room_temp, 39, "NA");
 
-			if (unit->mode == UNITMODE_BEER)
-			    snprintf(target, 39, "%.1f", unit->beer_set);
-			else if (unit->mode == UNITMODE_FRIDGE)
-			    snprintf(target, 39, "%.1f", unit->fridge_set);
-			else if (unit->mode == UNITMODE_PROFILE)
-			    snprintf(target, 39, "%.1f", unit->prof_target);
+			if (unit->mode == UNITMODE_BEER) {
+			    snprintf(target_lo, 39, "%.1f", unit->beer_set);
+			    snprintf(target_hi, 39, "%.1f", unit->beer_set);
+			} else if (unit->mode == UNITMODE_FRIDGE) {
+			    snprintf(target_lo, 39, "%.1f", unit->fridge_set);
+			    snprintf(target_hi, 39, "%.1f", unit->fridge_set);
+			} else if (unit->mode == UNITMODE_PROFILE) {
+			    snprintf(target_lo, 39, "%.1f", unit->prof_target_lo);
+			    snprintf(target_hi, 39, "%.1f", unit->prof_target_hi);
+			}
 
 			if (unit->heater_address) {
 			    snprintf(heater, 39, "%d", unit->heater_state);
@@ -1553,9 +1580,10 @@
 			    snprintf(room_temp, 39, "%.3f", Config.temp_value / 1000.0);
 			}
 
-			snprintf(buf, 1023, "%s,%.3f,%.3f,%s,%s,%s,%s,%s,%s,%s,%s,%s", 
+			snprintf(buf, 1023, "%s,%.3f,%.3f,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s", 
 					UNITMODE[unit->mode], unit->air_temperature / 1000.0, 
-					unit->beer_temperature / 1000.0, target, heater, cooler, fan, door, use_heater, use_cooler, use_fan, room_temp);
+					unit->beer_temperature / 1000.0, 
+					target_lo, heater, cooler, fan, door, use_heater, use_cooler, use_fan, room_temp, target_hi);
 			filename = xstrcpy(unit->name);
 			filename = xstrcat(filename, (char *)".log");
 			logger(filename, buf);