diff --git a/zonewatcher/constants.go b/kn/constants.go
similarity index 98%
rename from zonewatcher/constants.go
rename to kn/constants.go
index 558843b..5ab2fce 100644
--- a/zonewatcher/constants.go
+++ b/kn/constants.go
@@ -1,4 +1,4 @@
-package zonewatcher
+package kn
 
 import "koolnova2mqtt/bimap"
 
diff --git a/kn/zone.go b/kn/zone.go
new file mode 100644
index 0000000..9c94e05
--- /dev/null
+++ b/kn/zone.go
@@ -0,0 +1,139 @@
+package kn
+
+import (
+	"encoding/binary"
+	"log"
+)
+
+type Watcher interface {
+	ReadRegister(address uint16) (value []byte, err error)
+	RegisterCallback(address uint16, callback func(address uint16))
+}
+
+type ZoneConfig struct {
+	ZoneNumber int
+	Watcher    Watcher
+}
+
+type Zone struct {
+	ZoneConfig
+	OnCurrentTempChange func(newTemp float32)
+	OnTargetTempChange  func(newTemp float32)
+	OnFanModeChange     func(newMode FanMode)
+	OnHvacModeChange    func(newMode HvacMode)
+}
+
+func NewZone(config *ZoneConfig) *Zone {
+	z := &Zone{
+		ZoneConfig: *config,
+	}
+	z.RegisterCallback(REG_CURRENT_TEMP, func() {
+		if z.OnCurrentTempChange == nil {
+			return
+		}
+
+		temp, err := z.GetCurrentTemperature()
+		if err != nil {
+			log.Printf("Cannot read current temperature: %s\n", err)
+			return
+		}
+		z.OnCurrentTempChange(temp)
+	})
+	z.RegisterCallback(REG_TARGET_TEMP, func() {
+		if z.OnTargetTempChange == nil {
+			return
+		}
+
+		temp, err := z.GetTargetTemperature()
+		if err != nil {
+			log.Printf("Cannot read target temperature: %s\n", err)
+			return
+		}
+		z.OnTargetTempChange(temp)
+	})
+	z.RegisterCallback(REG_MODE, func() {
+		fanMode, err := z.GetFanMode()
+		if err != nil {
+			log.Printf("Cannot read fan mode: %s\n", err)
+			return
+		}
+		hvacMode, err := z.GetHvacMode()
+		if err != nil {
+			log.Printf("Cannot hvac mode: %s\n", err)
+			return
+		}
+		if z.OnFanModeChange != nil {
+			z.OnFanModeChange(fanMode)
+		}
+		if z.OnHvacModeChange != nil {
+			z.OnHvacModeChange(hvacMode)
+		}
+	})
+	return z
+}
+
+func (z *Zone) RegisterCallback(num int, f func()) {
+	z.Watcher.RegisterCallback(uint16(z.ZoneNumber*REG_PER_ZONE+num), func(address uint16) {
+		f()
+	})
+}
+
+func (z *Zone) ReadRegister(num int) (uint16, error) {
+
+	b, err := z.Watcher.ReadRegister(uint16(z.ZoneNumber*REG_PER_ZONE + num))
+	if err != nil {
+		return 0, err
+	}
+	return binary.BigEndian.Uint16(b), nil
+}
+
+func (z *Zone) IsOn() (bool, error) {
+	r1, err := z.ReadRegister(REG_ENABLED)
+	if err != nil {
+		return false, err
+	}
+
+	return r1&uint16(0x1) != 0, nil
+}
+
+func (z *Zone) IsPresent() (bool, error) {
+	r1, err := z.ReadRegister(REG_ENABLED)
+	if err != nil {
+		return false, err
+	}
+
+	return r1&uint16(0x2) != 0, nil
+}
+
+func (z *Zone) GetCurrentTemperature() (float32, error) {
+	r4, err := z.ReadRegister(REG_CURRENT_TEMP)
+	if err != nil {
+		return 0.0, err
+	}
+
+	return float32(r4) / 2.0, nil
+}
+
+func (z *Zone) GetTargetTemperature() (float32, error) {
+	r3, err := z.ReadRegister(REG_TARGET_TEMP)
+	if err != nil {
+		return 0.0, err
+	}
+	return float32(r3) / 2.0, nil
+}
+
+func (z *Zone) GetFanMode() (FanMode, error) {
+	r2, err := z.ReadRegister(REG_MODE)
+	if err != nil {
+		return 0, err
+	}
+	return (FanMode)(r2 & 0x00F0), nil
+}
+
+func (z *Zone) GetHvacMode() (HvacMode, error) {
+	r2, err := z.ReadRegister(REG_MODE)
+	if err != nil {
+		return 0, err
+	}
+	return (HvacMode)(r2 & 0x000F), nil
+}
diff --git a/main.go b/main.go
index 57b414d..c2cc9c9 100644
--- a/main.go
+++ b/main.go
@@ -4,8 +4,8 @@ import (
 	"crypto/tls"
 	"flag"
 	"fmt"
+	"koolnova2mqtt/kn"
 	"koolnova2mqtt/watcher"
-	"koolnova2mqtt/zonewatcher"
 	"log"
 	"os"
 	"os/signal"
@@ -27,13 +27,13 @@ func buildReader(handler *modbus.RTUClientHandler, client modbus.Client) watcher
 	}
 }
 
-func getActiveZones(w zonewatcher.Watcher) ([]*zonewatcher.ZoneWatcher, error) {
-	var zones []*zonewatcher.ZoneWatcher
+func getActiveZones(w kn.Watcher) ([]*kn.Zone, error) {
+	var zones []*kn.Zone
 
 	for n := 0; n < NUM_ZONES; n++ {
-		zone := zonewatcher.New(&zonewatcher.Config{
-			Zone:    n,
-			Watcher: w,
+		zone := kn.NewZone(&kn.ZoneConfig{
+			ZoneNumber: n,
+			Watcher:    w,
 		})
 		isPresent, err := zone.IsPresent()
 		if err != nil {
@@ -42,7 +42,7 @@ func getActiveZones(w zonewatcher.Watcher) ([]*zonewatcher.ZoneWatcher, error) {
 		if isPresent {
 			zones = append(zones, zone)
 			temp, _ := zone.GetCurrentTemperature()
-			fmt.Printf("Zone %d is present. Temperature %g ºC\n", zone.Zone, temp)
+			fmt.Printf("Zone %d is present. Temperature %g ºC\n", zone.ZoneNumber, temp)
 		}
 	}
 	return zones, nil
@@ -125,24 +125,24 @@ func main() {
 	for _, zone := range zones {
 		zone := zone
 		zone.OnCurrentTempChange = func(currentTemp float32) {
-			mqttClient.Publish(getTopic(zone.Zone, "currentTemperature"), 0, false, fmt.Sprintf("%g", currentTemp))
+			mqttClient.Publish(getTopic(zone.ZoneNumber, "currentTemperature"), 0, false, fmt.Sprintf("%g", currentTemp))
 		}
 		zone.OnTargetTempChange = func(targetTemp float32) {
-			mqttClient.Publish(getTopic(zone.Zone, "targetTemperature"), 0, false, fmt.Sprintf("%g", targetTemp))
+			mqttClient.Publish(getTopic(zone.ZoneNumber, "targetTemperature"), 0, false, fmt.Sprintf("%g", targetTemp))
 		}
-		zone.OnFanModeChange = func(fanMode zonewatcher.FanMode) {
-			fanModeStr, found := zonewatcher.FanModes.GetInverse(fanMode)
+		zone.OnFanModeChange = func(fanMode kn.FanMode) {
+			fanModeStr, found := kn.FanModes.GetInverse(fanMode)
 			if !found {
 				log.Printf("Unknown fan mode %d", fanMode)
 			}
-			mqttClient.Publish(getTopic(zone.Zone, "fanMode"), 0, false, fanModeStr)
+			mqttClient.Publish(getTopic(zone.ZoneNumber, "fanMode"), 0, false, fanModeStr)
 		}
-		zone.OnHvacModeChange = func(hvacMode zonewatcher.HvacMode) {
-			hvacModeStr, found := zonewatcher.HvacModes.GetInverse(hvacMode)
+		zone.OnHvacModeChange = func(hvacMode kn.HvacMode) {
+			hvacModeStr, found := kn.HvacModes.GetInverse(hvacMode)
 			if !found {
 				log.Printf("Unknown hvac mode %d", hvacMode)
 			}
-			mqttClient.Publish(getTopic(zone.Zone, "hvacMode"), 0, false, hvacModeStr)
+			mqttClient.Publish(getTopic(zone.ZoneNumber, "hvacMode"), 0, false, hvacModeStr)
 		}
 	}
 
diff --git a/zonewatcher/zonewatcher.go b/zonewatcher/zonewatcher.go
deleted file mode 100644
index 4277348..0000000
--- a/zonewatcher/zonewatcher.go
+++ /dev/null
@@ -1,139 +0,0 @@
-package zonewatcher
-
-import (
-	"encoding/binary"
-	"log"
-)
-
-type Watcher interface {
-	ReadRegister(address uint16) (value []byte, err error)
-	RegisterCallback(address uint16, callback func(address uint16))
-}
-
-type Config struct {
-	Zone    int
-	Watcher Watcher
-}
-
-type ZoneWatcher struct {
-	Config
-	OnCurrentTempChange func(newTemp float32)
-	OnTargetTempChange  func(newTemp float32)
-	OnFanModeChange     func(newMode FanMode)
-	OnHvacModeChange    func(newMode HvacMode)
-}
-
-func New(config *Config) *ZoneWatcher {
-	zw := &ZoneWatcher{
-		Config: *config,
-	}
-	zw.RegisterCallback(REG_CURRENT_TEMP, func() {
-		if zw.OnCurrentTempChange == nil {
-			return
-		}
-
-		temp, err := zw.GetCurrentTemperature()
-		if err != nil {
-			log.Printf("Cannot read current temperature: %s\n", err)
-			return
-		}
-		zw.OnCurrentTempChange(temp)
-	})
-	zw.RegisterCallback(REG_TARGET_TEMP, func() {
-		if zw.OnTargetTempChange == nil {
-			return
-		}
-
-		temp, err := zw.GetTargetTemperature()
-		if err != nil {
-			log.Printf("Cannot read target temperature: %s\n", err)
-			return
-		}
-		zw.OnTargetTempChange(temp)
-	})
-	zw.RegisterCallback(REG_MODE, func() {
-		fanMode, err := zw.GetFanMode()
-		if err != nil {
-			log.Printf("Cannot read fan mode: %s\n", err)
-			return
-		}
-		hvacMode, err := zw.GetHvacMode()
-		if err != nil {
-			log.Printf("Cannot hvac mode: %s\n", err)
-			return
-		}
-		if zw.OnFanModeChange != nil {
-			zw.OnFanModeChange(fanMode)
-		}
-		if zw.OnHvacModeChange != nil {
-			zw.OnHvacModeChange(hvacMode)
-		}
-	})
-	return zw
-}
-
-func (zw *ZoneWatcher) RegisterCallback(num int, f func()) {
-	zw.Watcher.RegisterCallback(uint16(zw.Zone*REG_PER_ZONE+num), func(address uint16) {
-		f()
-	})
-}
-
-func (zw *ZoneWatcher) ReadRegister(num int) (uint16, error) {
-
-	b, err := zw.Watcher.ReadRegister(uint16(zw.Zone*REG_PER_ZONE + num))
-	if err != nil {
-		return 0, err
-	}
-	return binary.BigEndian.Uint16(b), nil
-}
-
-func (zw *ZoneWatcher) IsOn() (bool, error) {
-	r1, err := zw.ReadRegister(REG_ENABLED)
-	if err != nil {
-		return false, err
-	}
-
-	return r1&uint16(0x1) != 0, nil
-}
-
-func (zw *ZoneWatcher) IsPresent() (bool, error) {
-	r1, err := zw.ReadRegister(REG_ENABLED)
-	if err != nil {
-		return false, err
-	}
-
-	return r1&uint16(0x2) != 0, nil
-}
-
-func (zw *ZoneWatcher) GetCurrentTemperature() (float32, error) {
-	r4, err := zw.ReadRegister(REG_CURRENT_TEMP)
-	if err != nil {
-		return 0.0, err
-	}
-
-	return float32(r4) / 2.0, nil
-}
-
-func (zw *ZoneWatcher) GetTargetTemperature() (float32, error) {
-	r3, err := zw.ReadRegister(REG_TARGET_TEMP)
-	if err != nil {
-		return 0.0, err
-	}
-	return float32(r3) / 2.0, nil
-}
-
-func (zw *ZoneWatcher) GetFanMode() (FanMode, error) {
-	r2, err := zw.ReadRegister(REG_MODE)
-	if err != nil {
-		return 0, err
-	}
-	return (FanMode)(r2 & 0x00F0), nil
-}
-
-func (zw *ZoneWatcher) GetHvacMode() (HvacMode, error) {
-	r2, err := zw.ReadRegister(REG_MODE)
-	if err != nil {
-		return 0, err
-	}
-	return (HvacMode)(r2 & 0x000F), nil
-}