diff --git a/README.md b/README.md
index b1ea44d..460cbc2 100755
--- a/README.md
+++ b/README.md
@@ -11,10 +11,6 @@ It can also log to an influxdb database for easy integration into Grafana or sim
 ![grafana integration](https://cube.nethack.net/images/aircon_grafana.png "grafana integration")
 
 
-# Requirements
-
-- [pymyair](https://github.com/smallsam/pymyair)
-
 
 # Features
 
@@ -25,35 +21,40 @@ It can also log to an influxdb database for easy integration into Grafana or sim
 - Turn the entire aircon system on/off as needed to control temperature
 - Turn zones on/off based on ARP table entries for specific MAC addresses (for example, if a TV is turned on or a person's phone is detected)
 - Log temperature measurements to a CSV file or InfluxDB
+- Optional integration with [pymyair](https://github.com/smallsam/pymyair) (but not required)
 
 # Usage
 
 ```text
-root@gridbug:~# scripts/aircon.sh -h
-usage:  scripts/aircon.sh [options]
+usage:  ./aircon.sh [options]
 
-    Modifies aircon based on configured parameters in /root/.airconrc.
+    Modifies aircon based on configured parameters in /Users/rob/.airconrc.
 
-    -h          Show this text.
-    -c          Cron mode.  Only show output if actions were taken.
-    -i x.x.x.x  Specify IP address for aircon (default is 10.99.99.1)
-    -D dbhost   Specify influxdb hostname for -I and -A options (default: localhost)
-    -I db       Log all zone temperatures to given influxdb database, then exit (see -o).
+    -a file     Specify location of arping binary (default: /usr/local/sbin/arping).
+    -b          Rule debug mode.  Show processing of time rules.
     -A db       Log actions to given influxdb database.
+    -c          Cron mode.  Only show output if actions were taken.
+    -D dbhost   Specify influxdb hostname for -I and -A options (default: localhost)
     -f file     Specify an alternate config file.
-    -k file     If file exists, never change aircon settings (default: /root/.aircon_noaction).
+    -h          Show this text.
+    -i x.x.x.x  Specify IP address for aircon (default is 10.99.99.1)
+    -I db       Log all zone temperatures to given influxdb database, then exit (see -o).
+    -k file     If file exists, never change aircon settings (default: /Users/rob/.aircon_noaction).
     -l num      Set number of too hot/cold zones at which to taking action.
     -L          Log all zone temperatures to CSV file, then exit (see -o).
-    -o file     Specify CSV output file.  Default:  /root/acstats.csv
     -m          Generate a config file based on current aircon setup.
+    -o file     Specify CSV output file.  Default:  /Users/rob/acstats.csv
+    -P          Use pymyair instead of direct JSON API calls (also see -x).
     -p          Profiler mode.
     -s          Validate config file then exit.
     -S[H]       Show configured rules in human-readable format
                 (HTML if -H given, otherwise ANSI).
-    -w          List which people are available then exit.
-    -W          List zone-owning devices are available then exit.
     -t num      Specify degrees below min temperature before taking action.
     -T num      Specify degrees above max temperature before taking action.
+    -w          List which people are available then exit.
+    -W          List zone-owning devices are available then exit.
+    -x path     Specify location of 'pymyair' (from https://github.com/smallsam/pymyair)
+                (only used if -P specified)
     -y          Actually run commands/db inserts.  By default, commands are just displayed.
 ```
 
@@ -92,7 +93,6 @@ adj Study Family
 
 person Rob robsphone
 person Beth bethsphone
-person Mel melsphone
 person Brendan brendansphone
 ```
 
@@ -139,7 +139,7 @@ person Brendan brendansphone
     Media           18-22  close   20     21.6   n/a
     Rob&Beth        18-22  close   18     19.5   n/a
     Study           n/a    close   19     20.6   n/a
-    Mel&Rob         18-21  close   18     19.5   n/a
+    Bedroom2        18-21  close   18     19.5   n/a
     Nursery         17-19  open    19     18.9   set_myzone
 
     Analysis:
@@ -163,7 +163,7 @@ person Brendan brendansphone
     Media           18-22  close   20     21.6   n/a
     Rob&Beth        18-22  close   18     19.5   n/a
     Study           n/a    close   19     20.6   n/a
-    Mel&Rob         18-21  close   18     19.5   n/a
+    Bedroom2        18-21  close   18     19.5   n/a
     Nursery         17-19  open    19     18.9   set_myzone
 
     Analysis:
diff --git a/aircon.sh b/aircon.sh
index 4815e6b..6c2ff78 100755
--- a/aircon.sh
+++ b/aircon.sh
@@ -2,7 +2,6 @@
 
 # TODO:  comparison to previous reading
 # TODO:  gnuplot of given time range
-# TODO:  ditch pymyair
 # TODO:  manual controls
 
 DEFAULT_KILLFILE="${HOME}/.aircon_noaction"
@@ -72,6 +71,7 @@ function usage() {
     echo "    -L          Log all zone temperatures to CSV file, then exit (see -o)."
     echo "    -m          Generate a config file based on current aircon setup."
     echo "    -o file     Specify CSV output file.  Default:  $DEFAULT_CSVFILE"
+    echo "    -P          Use pymyair instead of direct JSON API calls (also see -x)."
     echo "    -p          Profiler mode."
     echo "    -s          Validate config file then exit."
     echo "    -S[H]       Show configured rules in human-readable format"
@@ -80,6 +80,8 @@ function usage() {
     echo "    -T num      Specify degrees above max temperature before taking action."
     echo "    -w          List which people are available then exit."
     echo "    -W          List zone-owning devices are available then exit."
+    echo "    -x path     Specify location of 'pymyair' (from https://github.com/smallsam/pymyair)"
+    echo "                (only used if -P specified)"
     echo "    -y          Actually run commands/db inserts.  By default, commands are just displayed."
     echo
 }
@@ -88,6 +90,10 @@ function action() {
     echo -e "$BOLD$GREEN>> Running action: $PLAIN$GREEN$*$PLAIN"
 }
 
+function warn() {
+    echo -e "$BOLD${YELLOW}Warning:  $PLAIN$YELLOW$*$PLAIN" >/dev/stderr
+}
+
 function error() {
     echo -e "$BOLD${RED}ERROR:  $PLAIN$RED$*$PLAIN" >/dev/stderr
 }
@@ -694,7 +700,7 @@ function gen_aircon_command() {
     done
 }
 
-# add_aircon_command zone_idx "comment goes here" "actual pymyair command to run"
+# add_aircon_command zone_idx "comment goes here" " pymyair command to run"
 function add_aircon_command() {
     local x idx otheridx comment db cmd jcmd
 
@@ -1524,18 +1530,18 @@ function get_aircon_info() {
     if [[ $JSONAPI -eq 1 ]]; then
         url="${AIRCON_URL}/getSystemData"
         jsoninfo=$(curl -s "$url" 2>/dev/null)
-        zones=$(echo "$jsoninfo" | jq -r '.aircons.ac1.zones[] | [ .name, .state, .setTemp, .measuredTemp, .number ] | @csv' | tr -d '" ')
-        state=$(echo "$jsoninfo" | jq -r '.aircons.ac1.info.state' | tr -d '" ')
+        zones=$(echo "$jsoninfo" | $JQ -r '.aircons.ac1.zones[] | [ .name, .state, .setTemp, .measuredTemp, .number ] | @csv' | tr -d '" ')
+        state=$(echo "$jsoninfo" | $JQ -r '.aircons.ac1.info.state' | tr -d '" ')
         if [[ $state == "off" ]]; then
             airconmode="off"
         else
-            airconmode=$(echo "$jsoninfo" | jq -r '.aircons.ac1.info.mode' | tr -d '" ')
+            airconmode=$(echo "$jsoninfo" | $JQ -r '.aircons.ac1.info.mode' | tr -d '" ')
         fi
-        airconmyzoneid=$(echo "$jsoninfo" | jq -r '.aircons.ac1.info.myZone ' | tr -d '" ')
+        airconmyzoneid=$(echo "$jsoninfo" | $JQ -r '.aircons.ac1.info.myZone ' | tr -d '" ')
     else
-        zones=$(myair $AIRCON_IP zones | jq -r '.[] | [ .name, .state, .setTemp, .measuredTemp, .number ] | @csv' | tr -d '" ')
-        airconmode=$(myair $AIRCON_IP mode)
-        airconmyzoneid=$(myair $AIRCON_IP myzone)
+        zones=$($MYAIR $AIRCON_IP zones | $JQ -r '.[] | [ .name, .state, .setTemp, .measuredTemp, .number ] | @csv' | tr -d '" ')
+        airconmode=$($MYAIR $AIRCON_IP mode)
+        airconmyzoneid=$($MYAIR $AIRCON_IP myzone)
     fi
     nzones=0
     for line in $zones; do
@@ -1757,7 +1763,7 @@ function combine_commands() {
         combinejq="${combinejq} * .[$((x + 1))]"
     done
 
-    jcmd=$(jq -s "$combinejq" $basefile ${tfile[@]} )
+    jcmd=$($JQ -s "$combinejq" $basefile ${tfile[@]} )
     [[ $? -ne 0 ]] && { error "couldnt merge json command files " >&2; exit 1; }
     [[ -z $jcmd ]] && { error "got empty merged json command" >&2; exit 1; }
     jurl="${AIRCON_URL}/setAircon?json=$jcmd"
@@ -1779,7 +1785,7 @@ function run_commands() {
 
         [[ -n ${airconcomment[$x]} ]] && action "${airconcomment[$x]}"
         if [[ $JSONAPI -eq 1 ]]; then
-            myair $AIRCON_IP ${airconcmd[$x]} >/dev/null 2>&1
+            $MYAIR $AIRCON_IP ${airconcmd[$x]} >/dev/null 2>&1
         fi
         influx_insert "INSERT aircon action=\"${airconcomment[$x]}\",comment=\"${airconproblem[$x]}\""
     done
@@ -1787,7 +1793,7 @@ function run_commands() {
     if [[ $JSONAPI -eq 1 ]]; then
         jurl=$(combine_commands)
         res=$(curl -s -g "$jurl" 3>/dev/null)
-        jqres=$(echo "$res" | jq -r '.ack' 2>/dev/null)
+        jqres=$(echo "$res" | $JQ -r '.ack' 2>/dev/null)
         if [[ $jqres != "true" ]]; then
             error "Myair API call failed:"
             echo -e "$RED   curl -s -g $jurl$PLAIN"
@@ -1896,7 +1902,7 @@ limit=$DEFAULTLIMIT
 profiler=0
 csvfile="$DEFAULT_CSVFILE"
 sanitycheck=0
-JSONAPI=0
+JSONAPI=1
 RULEFORMAT=ansi
 robtest=0
 
@@ -1916,15 +1922,21 @@ fi
 
 ALLARGS="$ALLARGS $*"
 
-optstring="aA:bcD:f:hHi:I:jk:l:Lo:pmRsSt:T:wWx:y"
+optstring="aA:bcD:f:hHi:I:k:l:Lo:pPmRsSt:T:wWx:y"
 while getopts "$optstring" i $ALLARGS; do
     case "$i" in
         a)
             ARPING=${OPTARG}
             ;;
+        A)
+            influxdb="$OPTARG"
+            ;;
         b)
             RULEDB=1
             ;;
+        c)
+            enable_cronmode
+            ;;
         D)
             influxhost="${OPTARG}"
             ;;
@@ -1945,51 +1957,42 @@ while getopts "$optstring" i $ALLARGS; do
             logmode=2
             influxdb="$OPTARG"
             ;;
-        j)
-            JSONAPI=1
-            ;;
-        A)
-            influxdb="$OPTARG"
-            ;;
         k)
             KILLFILE=${OPTARG}
             ;;
         l)
             limit=${OPTARG}
             ;;
-        o)
-            csvfile="$OPTARG"
-            ;;
         L)
             logmode=1
             ;;
-        t)
-            tolerance_l=${OPTARG}
+        m)
+            makeconfig=1
             ;;
-        T)
-            tolerance_h=${OPTARG}
+        o)
+            csvfile="$OPTARG"
+            ;;
+        P)
+            JSONAPI=0
+            ;;
+        p)
+            profiler=1
+            info "Profiler mode enabled"
             ;;
         R)
             robtest=1
             ;;
-        c)
-            enable_cronmode
-            ;;
-        p)
-        profiler=1
-            info "Profiler mode enabled"
-            ;;
-        m)
-            makeconfig=1
-            ;;
         s)
             sanitycheck=1
             ;;
         S)
             sanitycheck=2
             ;;
-        y)
-            DOIT=1
+        t)
+            tolerance_l=${OPTARG}
+            ;;
+        T)
+            tolerance_h=${OPTARG}
             ;;
         w)
             showwho=1
@@ -2000,9 +2003,12 @@ while getopts "$optstring" i $ALLARGS; do
         x)
             MYAIR="${OPTARG}"
             ;;
+        y)
+            DOIT=1
+            ;;
         *)
             usage;
-                        exit 1;
+            exit 1;
             ;;
     esac
 done
@@ -2011,7 +2017,7 @@ shift $((OPTIND - 1))
 AIRCON_URL="http://${AIRCON_IP}:2025"
 
 if [[ ! -e $ARPING ]]; then
-    info "Warning: arping binary '$ARPING' not found, will use ping instead"
+    warn "arping binary '$ARPING' not found, will use ping instead"
 fi
 
 if [[ -n $influxdb ]]; then
@@ -2029,17 +2035,16 @@ if [[ $makeconfig -eq 1 ]]; then
     exit $rv
 fi
 
-
-
-
-
 if [[ $showwho -eq 0 ]]; then
     if [[ $JSONAPI -eq 1 ]]; then
-        JQ=$(which myair 2>/dev/null)
+        JQ=$(which jq 2>/dev/null)
         if [[ $? -ne 0 ]]; then
             error "Can't find jq executable in path."
             exit 1
         fi
+        if [[ -n $MYAIR ]]; then
+            warn "-x option ignored as -P not used."
+        fi
     else
         if [[ -z $MYAIR ]]; then
             MYAIR=$(which myair 2>/dev/null)
@@ -2056,8 +2061,6 @@ if [[ $showwho -eq 0 ]]; then
     fi
 fi
 
-
-
 # Must do this BEFORE parsing the config file, otherwise
 # we can't resolve zone names.
 get_aircon_info