diff --git a/mytest/src/main.rs b/mytest/src/main.rs
index c30bd3d..cf03339 100644
--- a/mytest/src/main.rs
+++ b/mytest/src/main.rs
@@ -18,6 +18,6 @@ fn main() {
     let tp = a.get_tank_parameters().unwrap();
     println!("Tank: {:?}", tp);
 
-    //let hp = a.get_heating_parameters().unwrap();
-    //println!("Heating: {:?}", hp);
+    let hp = a.get_heating_parameters().unwrap();
+    println!("Heating: {:?}", hp);
 }
diff --git a/src/errors.rs b/src/errors.rs
new file mode 100644
index 0000000..6765b88
--- /dev/null
+++ b/src/errors.rs
@@ -0,0 +1,19 @@
+use thiserror::Error;
+
+#[derive(Error, Debug)]
+pub enum DAError {
+    #[error("Communication error")]
+    CommunicationError,
+    #[error("Conversion error")]
+    ConversionError,
+    #[error("Set value error")]
+    SetValueError(String),
+    #[error("No such field")]
+    NoSuchFieldError,
+    #[error("Value conversion error")]
+    ValueConversionError,
+    #[error("Url Parse error")]
+    UrlParseError,
+    #[error("WebSocket Error")]
+    WebSocketError,
+}
diff --git a/src/lib.rs b/src/lib.rs
index 4817701..f1f253a 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,99 +1,21 @@
-use std::{error::Error, fmt::Debug, net::TcpStream};
-use thiserror::Error;
+use std::{fmt::Debug, net::TcpStream};
 use uuid::Uuid;
 
 use serde_json::{json, Value};
 use tungstenite::{connect, stream, Message, WebSocket};
 use url::Url;
 
-#[derive(Error, Debug)]
-pub enum DAError {
-    #[error("Communication error")]
-    CommunicationError,
-    #[error("Conversion error")]
-    ConversionError,
-    #[error("Set value error")]
-    SetValueError(String),
-    #[error("No such field")]
-    NoSuchFieldError,
-    #[error("Value conversion error")]
-    ValueConversionError,
-    #[error("Url Parse error")]
-    UrlParseError,
-    #[error("WebSocket Error")]
-    WebSocketError,
-}
+mod errors;
+mod params;
+mod traits;
+use crate::errors::DAError;
+use crate::params::HeatingParameters;
+use crate::params::TankParameters;
 
 pub struct DaikinAlthermaClient {
     ws_client: WebSocket<stream::MaybeTlsStream<TcpStream>>,
 }
 
-//
-#[derive(Debug)]
-pub struct TankParameters {
-    /// The current temperature of the water tank, in °C
-    pub temperature: f64,
-    /// The setpoint (wanted) temperature of the water tank, in °C
-    pub setpoint_temperature: f64,
-    /// Is the tank heating enabled
-    pub enabled: bool,
-    /// Is it on powerful (quick heating) mode
-    pub powerful: bool,
-}
-
-#[derive(Debug)]
-pub struct HeatingParameters {
-    /// The current indoor temperature, in °C
-    pub indoor_temperature: f64,
-    /// The current outdoor temperature, in °C
-    pub outdoor_temperature: f64,
-    /// The current indoor setpoint (target) temperature, in °C
-    pub indoor_setpoint_temperature: f64,
-    /// The leaving water temperature, in °C
-    pub leaving_water_temperature: f64,
-
-    /// Is the heating enabled
-    pub enabled: bool,
-
-    /// Is the heating on holiday (disabled)
-    pub on_holiday: bool,
-    // Is it on powerful (quick heating) mode
-    //mode: ,
-}
-
-trait FromJsonValue<T>: Sized {
-    fn from_json_value(value: &Value) -> Result<T, DAError>;
-}
-
-// Implement the trait for i64
-impl FromJsonValue<i64> for i64 {
-    fn from_json_value(value: &Value) -> Result<Self, DAError> {
-        value.as_i64().ok_or(DAError::ValueConversionError)
-    }
-}
-
-// Implement the trait for f64
-impl FromJsonValue<f64> for f64 {
-    fn from_json_value(value: &Value) -> Result<Self, DAError> {
-        value.as_f64().ok_or(DAError::ValueConversionError)
-    }
-}
-
-// Implement the trait for String
-impl FromJsonValue<String> for String {
-    fn from_json_value(value: &Value) -> Result<Self, DAError> {
-        let v = value.as_str().ok_or(DAError::ValueConversionError)?;
-        Ok(v.to_string())
-    }
-}
-
-// Implement the trait for bool
-impl FromJsonValue<bool> for bool {
-    fn from_json_value(value: &Value) -> Result<Self, DAError> {
-        value.as_bool().ok_or(DAError::ValueConversionError)
-    }
-}
-
 impl DaikinAlthermaClient {
     /// Creates a new client to a Daikin Altherma LAN adapter.
     pub fn new(adapter_hostname: String) -> Result<Self, DAError> {
@@ -228,7 +150,10 @@ impl DaikinAlthermaClient {
         self.set_value_hp("1/Operation/Power", Some(payload), "/")
     }
 
-    fn request_value_hp_dft<T: FromJsonValue<T>>(&mut self, item: &str) -> Result<T, DAError> {
+    fn request_value_hp_dft<T: traits::FromJsonValue<T>>(
+        &mut self,
+        item: &str,
+    ) -> Result<T, DAError> {
         let hp_item = format!("MNAE/{item}");
         let json_val = self.request_value(hp_item.as_str(), None, "/m2m:rsp/pc/m2m:cin/con")?;
         T::from_json_value(&json_val)
diff --git a/src/params.rs b/src/params.rs
new file mode 100644
index 0000000..0902975
--- /dev/null
+++ b/src/params.rs
@@ -0,0 +1,33 @@
+use std::fmt::Debug;
+
+#[derive(Debug)]
+pub struct TankParameters {
+    /// The current temperature of the water tank, in °C
+    pub temperature: f64,
+    /// The setpoint (wanted) temperature of the water tank, in °C
+    pub setpoint_temperature: f64,
+    /// Is the tank heating enabled
+    pub enabled: bool,
+    /// Is it on powerful (quick heating) mode
+    pub powerful: bool,
+}
+
+#[derive(Debug)]
+pub struct HeatingParameters {
+    /// The current indoor temperature, in °C
+    pub indoor_temperature: f64,
+    /// The current outdoor temperature, in °C
+    pub outdoor_temperature: f64,
+    /// The current indoor setpoint (target) temperature, in °C
+    pub indoor_setpoint_temperature: f64,
+    /// The leaving water temperature, in °C
+    pub leaving_water_temperature: f64,
+
+    /// Is the heating enabled
+    pub enabled: bool,
+
+    /// Is the heating on holiday (disabled)
+    pub on_holiday: bool,
+    // Is it on powerful (quick heating) mode
+    //mode: ,
+}
diff --git a/src/traits.rs b/src/traits.rs
new file mode 100644
index 0000000..4e6fb97
--- /dev/null
+++ b/src/traits.rs
@@ -0,0 +1,35 @@
+use crate::errors::DAError;
+use serde_json::Value;
+
+pub trait FromJsonValue<T>: Sized {
+    fn from_json_value(value: &Value) -> Result<T, DAError>;
+}
+
+// Implement the trait for i64
+impl FromJsonValue<i64> for i64 {
+    fn from_json_value(value: &Value) -> Result<Self, DAError> {
+        value.as_i64().ok_or(DAError::ValueConversionError)
+    }
+}
+
+// Implement the trait for f64
+impl FromJsonValue<f64> for f64 {
+    fn from_json_value(value: &Value) -> Result<Self, DAError> {
+        value.as_f64().ok_or(DAError::ValueConversionError)
+    }
+}
+
+// Implement the trait for String
+impl FromJsonValue<String> for String {
+    fn from_json_value(value: &Value) -> Result<Self, DAError> {
+        let v = value.as_str().ok_or(DAError::ValueConversionError)?;
+        Ok(v.to_string())
+    }
+}
+
+// Implement the trait for bool
+impl FromJsonValue<bool> for bool {
+    fn from_json_value(value: &Value) -> Result<Self, DAError> {
+        value.as_bool().ok_or(DAError::ValueConversionError)
+    }
+}