diff --git a/Cargo.lock b/Cargo.lock
index 435c6b6..8aa6af0 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -453,6 +453,7 @@ dependencies = [
  "strum_macros",
  "tar",
  "tempfile",
+ "thiserror",
  "toml",
  "update-informer",
  "xz2",
diff --git a/Cargo.toml b/Cargo.toml
index 1ae5405..8b9384f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -36,6 +36,7 @@ serde = { version = "1.0.146", features = ["derive"] }
 miette = "5.4.1"
 regex = "1.7.0"
 serde_json = "1.0.87"
+thiserror = "1.0.37"
 update-informer = "0.5.0"
 
 [target.aarch64-unknown-linux-gnu.dependencies]
diff --git a/src/config.rs b/src/config.rs
index 2306e60..08bb98e 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -1,6 +1,6 @@
-use crate::{host_triple::HostTriple, targets::Target, toolchain::rust::XtensaRust};
+use crate::{error::Error, host_triple::HostTriple, targets::Target, toolchain::rust::XtensaRust};
 use directories_next::ProjectDirs;
-use miette::{ErrReport, IntoDiagnostic, Result, WrapErr};
+use miette::{IntoDiagnostic, Result};
 use serde::{Deserialize, Serialize};
 use std::{
     collections::HashSet,
@@ -31,31 +31,34 @@ pub struct Config {
 
 impl Config {
     /// Load the config from config file
-    pub fn load() -> Result<Self> {
+    pub fn load() -> Result<Self, Error> {
         let dirs = ProjectDirs::from("rs", "esp", "espup").unwrap();
         let file = dirs.config_dir().join("espup.toml");
 
-        let config = if let Ok(data) = read(file) {
-            toml::from_slice(&data).into_diagnostic()?
+        let config = if let Ok(data) = read(&file) {
+            toml::from_slice(&data)
+                .into_diagnostic()
+                .map_err(|_| Error::FailedToDeserialize)?
         } else {
-            return Err(ErrReport::msg("No config file found"));
+            return Err(Error::FileNotFound(file.to_string_lossy().into_owned()));
         };
         Ok(config)
     }
 
     /// Save the config to file
-    pub fn save(&self) -> Result<()> {
+    pub fn save(&self) -> Result<(), Error> {
         let dirs = ProjectDirs::from("rs", "esp", "espup").unwrap();
         let file = dirs.config_dir().join("espup.toml");
 
         let serialized = toml::to_string(&self.clone())
             .into_diagnostic()
-            .wrap_err("Failed to serialize config")?;
+            .map_err(|_| Error::FailedToSerialize)?;
         create_dir_all(file.parent().unwrap())
             .into_diagnostic()
-            .wrap_err("Failed to create config directory")?;
+            .map_err(|e| Error::FailedToCreateConfigFile(e.to_string()))?;
         write(&file, serialized)
             .into_diagnostic()
-            .wrap_err_with(|| format!("Failed to write config to {}", file.display()))
+            .map_err(|_| Error::FailedToWrite(file.display().to_string()))?;
+        Ok(())
     }
 }
diff --git a/src/error.rs b/src/error.rs
new file mode 100644
index 0000000..fe0bdf3
--- /dev/null
+++ b/src/error.rs
@@ -0,0 +1,81 @@
+use crate::emoji;
+
+#[derive(Debug, miette::Diagnostic, thiserror::Error)]
+pub enum Error {
+    // Host Triple
+    #[diagnostic(code(espup::host_triple::unsupported_host_triple))]
+    #[error("{} Host triple '{0}' is not supported", emoji::ERROR)]
+    UnsupportedHostTriple(String),
+    // Target
+    #[diagnostic(code(espup::targets::unsupported_target))]
+    #[error("{} Target '{0}' is not supported", emoji::ERROR)]
+    UnsupportedTarget(String),
+    //  Config
+    #[diagnostic(code(espup::config::file_not_found))]
+    #[error("{} No config file found in '{0}'", emoji::ERROR)]
+    FileNotFound(String),
+    #[diagnostic(code(espup::config::failed_to_deserialize))]
+    #[error("{} Failed to deserialize config", emoji::ERROR)]
+    FailedToDeserialize,
+    #[diagnostic(code(espup::config::failed_to_serialize))]
+    #[error("{} Failed to serialize config", emoji::ERROR)]
+    FailedToSerialize,
+    #[diagnostic(code(espup::config::failed_to_create_config_file))]
+    #[error("{} Failed to create config directory", emoji::ERROR)]
+    FailedToCreateConfigFile(String),
+    #[diagnostic(code(espup::config::failed_to_write))]
+    #[error("{} Failed to write config to '{0}'", emoji::ERROR)]
+    FailedToWrite(String),
+    //  Toolchain
+    #[error(transparent)]
+    IoError(#[from] std::io::Error),
+    #[error(transparent)]
+    RewquestError(#[from] reqwest::Error),
+    #[diagnostic(code(espup::toolchain::failed_to_create_directory))]
+    #[error("{} Creating directory '{0}' failed", emoji::ERROR)]
+    FailedToCreateDirectory(String),
+    #[diagnostic(code(espup::toolchain::unsupported_file_extension))]
+    #[error("{} Unsuported file extension: '{0}'", emoji::ERROR)]
+    UnsuportedFileExtension(String),
+    //  Toolchain - Rust
+    #[diagnostic(code(espup::toolchain::rust::failed_to_get_latest_version))]
+    #[error("{} Failed To serialize Json from string.", emoji::ERROR)]
+    FailedToSerializeJson,
+    #[diagnostic(code(espup::toolchain::rust::xtensa_rust_already_installed))]
+    #[error("{} Previous installation of Rust Toolchain exists in: '{0}'. Please, remove the directory before new installation.", emoji::ERROR)]
+    XtensaToolchainAlreadyInstalled(String),
+    #[diagnostic(code(espup::toolchain::rust::invalid_version))]
+    #[error(
+        "{} Invalid toolchain version '{0}', must be in the form of '<major>.<minor>.<patch>.<subpatch>'",
+        emoji::ERROR
+    )]
+    InvalidXtensaToolchanVersion(String),
+    #[diagnostic(code(espup::toolchain::rust::detection_error))]
+    #[error("{} Error detecting rustup: {0}", emoji::ERROR)]
+    RustupDetectionError(String),
+    #[error(transparent)]
+    CmdError(#[from] embuild::cmd::CmdError),
+    // Toolchain - ESP-IDF
+    #[diagnostic(code(espup::toolchain::espidf::failed_to_instatiate_cmake))]
+    #[error("{} Failed to add CMake to ESP-IDF tools", emoji::ERROR)]
+    FailedToInstantiateCmake,
+    #[diagnostic(code(espup::toolchain::espidf::failed_to_create_esp_idf_install_closure))]
+    #[error("{} Failed to create ESP-IDF  install closure", emoji::ERROR)]
+    FailedToCreateEspIdfInstallClosure,
+    #[diagnostic(code(espup::toolchain::espidf::failed_to_install_esp_idf))]
+    #[error("{} Failed to install ESP-IDF", emoji::ERROR)]
+    FailedToInstallEspIdf,
+    //  Main
+    #[diagnostic(code(espup::wrong_windows_arguments))]
+    #[error(
+        "{} When installing esp-idf in Windows, only --targets \"all\" is supported.",
+        emoji::ERROR
+    )]
+    WrongWindowsArguments,
+    #[diagnostic(code(espup::failed_to_remove_directory))]
+    #[error(
+        "{} Failed to remove '{0}' direcretory. Please, manually verify that the directory is  properly removed.",
+        emoji::ERROR
+    )]
+    FailedToRemoveDirectory(String),
+}
diff --git a/src/host_triple.rs b/src/host_triple.rs
index d5e3cdd..8f83084 100644
--- a/src/host_triple.rs
+++ b/src/host_triple.rs
@@ -1,5 +1,4 @@
-use crate::emoji;
-use anyhow::{Context, Result};
+use crate::error::Error;
 use guess_host_triple::guess_host_triple;
 use serde::{Deserialize, Serialize};
 use std::str::FromStr;
@@ -30,17 +29,14 @@ pub enum HostTriple {
 }
 
 /// Parse the host triple if specified, otherwise guess it.
-pub fn get_host_triple(host_triple_arg: Option<String>) -> Result<HostTriple> {
-    if let Some(host_triple_arg) = host_triple_arg {
-        HostTriple::from_str(&host_triple_arg).context(format!(
-            "{} Host triple '{}' is not supported.",
-            emoji::ERROR,
-            host_triple_arg,
-        ))
+pub fn get_host_triple(host_triple_arg: Option<String>) -> Result<HostTriple, Error> {
+    let host_triple = if let Some(host_triple) = &host_triple_arg {
+        host_triple
     } else {
-        HostTriple::from_str(guess_host_triple().unwrap())
-            .context(format!("{} Unable to guess host triple.", emoji::ERROR,))
-    }
+        guess_host_triple().unwrap()
+    };
+
+    HostTriple::from_str(host_triple).map_err(|_| Error::UnsupportedHostTriple(host_triple.into()))
 }
 
 #[cfg(test)]
diff --git a/src/lib.rs b/src/lib.rs
index 4cd83ce..9cc5672 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,5 +1,6 @@
 pub mod config;
 pub mod emoji;
+pub mod error;
 pub mod host_triple;
 pub mod targets;
 pub mod toolchain;
diff --git a/src/main.rs b/src/main.rs
index 36dc284..f467c7d 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,4 +1,3 @@
-use anyhow::{bail, Result};
 use clap::Parser;
 use directories_next::ProjectDirs;
 use dirs::home_dir;
@@ -9,6 +8,7 @@ use embuild::{
 use espup::{
     config::Config,
     emoji,
+    error::Error,
     host_triple::get_host_triple,
     logging::initialize_logger,
     targets::{parse_targets, Target},
@@ -25,6 +25,7 @@ use espup::{
     update::check_for_update,
 };
 use log::{debug, info, warn};
+use miette::Result;
 use std::{
     collections::HashSet,
     fs::{remove_dir_all, remove_file, File},
@@ -128,7 +129,7 @@ pub struct UninstallOpts {
 }
 
 /// Installs the Rust for ESP chips environment
-fn install(args: InstallOpts) -> Result<()> {
+fn install(args: InstallOpts) -> Result<(), Error> {
     initialize_logger(&args.log_level);
     check_for_update(env!("CARGO_PKG_NAME"), env!("CARGO_PKG_VERSION"));
     info!("{} Installing esp-rs", emoji::DISC);
@@ -233,9 +234,7 @@ fn install(args: InstallOpts) -> Result<()> {
         targets,
         xtensa_rust,
     };
-    if let Err(e) = config.save() {
-        bail!("{} Failed to save config {:#}", emoji::ERROR, e);
-    }
+    config.save()?;
 
     info!("{} Installation successfully completed!", emoji::CHECK);
     warn!(
@@ -246,7 +245,7 @@ fn install(args: InstallOpts) -> Result<()> {
 }
 
 /// Uninstalls the Rust for ESP chips environment
-fn uninstall(args: UninstallOpts) -> Result<()> {
+fn uninstall(args: UninstallOpts) -> Result<(), Error> {
     initialize_logger(&args.log_level);
     check_for_update(env!("CARGO_PKG_NAME"), env!("CARGO_PKG_VERSION"));
 
@@ -304,7 +303,7 @@ fn uninstall(args: UninstallOpts) -> Result<()> {
 }
 
 /// Updates Xtensa Rust toolchain.
-fn update(args: UpdateOpts) -> Result<()> {
+fn update(args: UpdateOpts) -> Result<(), Error> {
     initialize_logger(&args.log_level);
     check_for_update(env!("CARGO_PKG_NAME"), env!("CARGO_PKG_VERSION"));
 
@@ -343,15 +342,13 @@ fn update(args: UpdateOpts) -> Result<()> {
         config.xtensa_rust = Some(xtensa_rust);
     }
 
-    if let Err(e) = config.save() {
-        bail!("{} Failed to save config {:#}", emoji::ERROR, e);
-    }
+    config.save()?;
 
     info!("{} Update successfully completed!", emoji::CHECK);
     Ok(())
 }
 
-fn main() -> Result<()> {
+fn main() -> Result<(), Error> {
     match Cli::parse().subcommand {
         SubCommand::Install(args) => install(*args),
         SubCommand::Update(args) => update(args),
@@ -360,7 +357,7 @@ fn main() -> Result<()> {
 }
 
 /// Deletes dist folder.
-fn clear_dist_folder() -> Result<()> {
+fn clear_dist_folder() -> Result<(), Error> {
     let dist_path = PathBuf::from(get_dist_path(""));
     if dist_path.exists() {
         info!("{} Clearing dist folder", emoji::WRENCH);
@@ -370,7 +367,7 @@ fn clear_dist_folder() -> Result<()> {
 }
 
 /// Returns the absolute path to the export file, uses the DEFAULT_EXPORT_FILE if no arg is provided.
-fn get_export_file(export_file: Option<PathBuf>) -> Result<PathBuf> {
+fn get_export_file(export_file: Option<PathBuf>) -> Result<PathBuf, Error> {
     if let Some(export_file) = export_file {
         if export_file.is_absolute() {
             Ok(export_file)
@@ -385,7 +382,7 @@ fn get_export_file(export_file: Option<PathBuf>) -> Result<PathBuf> {
 }
 
 /// Creates the export file with the necessary environment variables.
-fn export_environment(export_file: &PathBuf, exports: &[String]) -> Result<()> {
+fn export_environment(export_file: &PathBuf, exports: &[String]) -> Result<(), Error> {
     info!("{} Creating export file", emoji::WRENCH);
     let mut file = File::create(export_file)?;
     for e in exports.iter() {
@@ -413,17 +410,18 @@ fn export_environment(export_file: &PathBuf, exports: &[String]) -> Result<()> {
 
 #[cfg(windows)]
 /// For Windows, we need to check that we are installing all the targets if we are installing esp-idf.
-pub fn check_arguments(targets: &HashSet<Target>, esp_idf_version: &Option<String>) -> Result<()> {
-    if esp_idf_version.is_some()
+
+pub fn check_arguments(
+    targets: &HashSet<Target>,
+    espidf_version: &Option<String>,
+) -> Result<(), Error> {
+    if espidf_version.is_some()
         && (!targets.contains(&Target::ESP32)
             || !targets.contains(&Target::ESP32C3)
             || !targets.contains(&Target::ESP32S2)
             || !targets.contains(&Target::ESP32S3))
     {
-        bail!(
-            "{} When installing esp-idf in Windows, only --targets \"all\" is supported.",
-            emoji::ERROR
-        );
+        return Err(Error::WrongWindowsArguments);
     }
 
     Ok(())
diff --git a/src/targets.rs b/src/targets.rs
index a2ac389..220b9de 100644
--- a/src/targets.rs
+++ b/src/targets.rs
@@ -1,7 +1,6 @@
 //! ESP32 chip variants support.
 
-use crate::emoji;
-use anyhow::Context;
+use crate::{emoji, error::Error};
 use log::debug;
 use serde::{Deserialize, Serialize};
 use std::{collections::HashSet, str::FromStr};
@@ -26,7 +25,7 @@ pub enum Target {
 }
 
 /// Returns a vector of Chips from a comma or space separated string.
-pub fn parse_targets(targets_str: &str) -> Result<HashSet<Target>, String> {
+pub fn parse_targets(targets_str: &str) -> Result<HashSet<Target>, Error> {
     debug!("{} Parsing targets: {}", emoji::DEBUG, targets_str);
 
     let targets_str = targets_str.to_lowercase();
@@ -35,18 +34,14 @@ pub fn parse_targets(targets_str: &str) -> Result<HashSet<Target>, String> {
     let targets: HashSet<Target> = if targets_str.contains("all") {
         Target::iter().collect()
     } else {
-        targets_str
-            .split([',', ' '])
-            .map(|target| {
-                Target::from_str(target)
-                    .context(format!(
-                        "{} Target '{}' is not supported",
-                        emoji::ERROR,
-                        target
-                    ))
-                    .unwrap()
-            })
-            .collect()
+        let mut targets = HashSet::new();
+        for target in targets_str.split([',', ' ']) {
+            targets.insert(
+                Target::from_str(target).map_err(|_| Error::UnsupportedTarget(target.into()))?,
+            );
+        }
+
+        targets
     };
 
     debug!("{} Parsed targets: {:?}", emoji::DEBUG, targets);
@@ -56,38 +51,33 @@ pub fn parse_targets(targets_str: &str) -> Result<HashSet<Target>, String> {
 #[cfg(test)]
 mod tests {
     use crate::targets::{parse_targets, Target};
+    use std::collections::HashSet;
 
     #[test]
+    #[allow(unused_variables)]
     fn test_parse_targets() {
-        assert_eq!(
-            parse_targets("esp32"),
-            Ok([Target::ESP32].into_iter().collect())
-        );
-        assert_eq!(
-            parse_targets("esp32,esp32s2"),
-            Ok([Target::ESP32, Target::ESP32S2].into_iter().collect())
-        );
-        assert_eq!(
-            parse_targets("esp32s3 esp32"),
-            Ok([Target::ESP32S3, Target::ESP32].into_iter().collect())
-        );
-        assert_eq!(
-            parse_targets("esp32s3,esp32,esp32c3"),
-            Ok([Target::ESP32S3, Target::ESP32, Target::ESP32C3]
-                .into_iter()
-                .collect())
-        );
-        assert_eq!(
-            parse_targets("all"),
-            Ok([
-                Target::ESP32,
-                Target::ESP32S2,
-                Target::ESP32S3,
-                Target::ESP32C2,
-                Target::ESP32C3,
-            ]
+        let targets: HashSet<Target> = [Target::ESP32].into_iter().collect();
+        assert!(matches!(parse_targets("esp32"), Ok(targets)));
+        let targets: HashSet<Target> = [Target::ESP32, Target::ESP32S2].into_iter().collect();
+        assert!(matches!(parse_targets("esp32,esp32s2"), Ok(targets)));
+        let targets: HashSet<Target> = [Target::ESP32S3, Target::ESP32].into_iter().collect();
+        assert!(matches!(parse_targets("esp32s3 esp32"), Ok(targets)));
+        let targets: HashSet<Target> = [Target::ESP32S3, Target::ESP32, Target::ESP32C3]
             .into_iter()
-            .collect())
-        );
+            .collect();
+        assert!(matches!(
+            parse_targets("esp32s3,esp32,esp32c3"),
+            Ok(targets)
+        ));
+        let targets: HashSet<Target> = [
+            Target::ESP32,
+            Target::ESP32S2,
+            Target::ESP32S3,
+            Target::ESP32C2,
+            Target::ESP32C3,
+        ]
+        .into_iter()
+        .collect();
+        assert!(matches!(parse_targets("all"), Ok(targets)));
     }
 }
diff --git a/src/toolchain/espidf.rs b/src/toolchain/espidf.rs
index 1d7b754..5095ced 100644
--- a/src/toolchain/espidf.rs
+++ b/src/toolchain/espidf.rs
@@ -2,18 +2,19 @@
 
 use crate::{
     emoji,
+    error::Error,
     targets::Target,
     toolchain::{
         gcc::{get_toolchain_name, get_ulp_toolchain_name},
         get_home_dir,
     },
 };
-use anyhow::{Context, Result};
 use embuild::{espidf, espidf::EspIdfRemote, git};
 use log::{debug, info};
-use std::collections::HashSet;
+use miette::Result;
 use std::{
     collections::hash_map::DefaultHasher,
+    collections::HashSet,
     env,
     fs::remove_dir_all,
     hash::{Hash, Hasher},
@@ -64,18 +65,22 @@ pub struct EspIdfRepo {
 
 impl EspIdfRepo {
     /// Installs esp-idf.
-    pub fn install(self) -> Result<Vec<String>> {
+    pub fn install(self) -> Result<Vec<String>, Error> {
         let cmake_generator = DEFAULT_CMAKE_GENERATOR;
         let mut exports: Vec<String> = Vec::new();
 
         // A closure to specify which tools `idf-tools.py` should install.
         let make_tools = move |repo: &git::Repository,
-                               version: &Result<espidf::EspIdfVersion>|
-              -> Result<Vec<espidf::Tools>> {
+                               version: &anyhow::Result<espidf::EspIdfVersion>|
+              -> anyhow::Result<Vec<espidf::Tools>> {
+            let version_str = match version {
+                Ok(v) => format!("v{v}"),
+                Err(_) => "(unknown version)".to_string(),
+            };
             info!(
                 "{} Using esp-idf {} at '{}'",
                 emoji::INFO,
-                espidf::EspIdfVersion::format(version),
+                version_str,
                 repo.worktree().display()
             );
 
@@ -99,7 +104,8 @@ impl EspIdfRepo {
                     subtools.push("cmake".to_string())
                 }
                 _ => {
-                    tools.push(espidf::Tools::cmake()?);
+                    tools
+                        .push(espidf::Tools::cmake().map_err(|_| Error::FailedToInstantiateCmake)?);
                 }
             }
             #[cfg(windows)]
@@ -119,13 +125,15 @@ impl EspIdfRepo {
 
             Ok(tools)
         };
-        let install = |esp_idf_origin: espidf::EspIdfOrigin| -> Result<espidf::EspIdf> {
-            espidf::Installer::new(esp_idf_origin)
-                .install_dir(Some(self.install_path.clone()))
-                .with_tools(make_tools)
-                .install()
-                .context("Could not install esp-idf")
-        };
+
+        let install =
+            |esp_idf_origin: espidf::EspIdfOrigin| -> anyhow::Result<espidf::EspIdf, Error> {
+                espidf::Installer::new(esp_idf_origin)
+                    .install_dir(Some(self.install_path.clone()))
+                    .with_tools(make_tools)
+                    .install()
+                    .map_err(|_| Error::FailedToCreateEspIdfInstallClosure)
+            };
 
         let repo = espidf::EspIdfRemote {
             git_ref: espidf::parse_esp_idf_git_ref(&self.version),
@@ -134,7 +142,7 @@ impl EspIdfRepo {
 
         let espidf_origin = espidf::EspIdfOrigin::Managed(repo.clone());
         #[cfg(unix)]
-        let espidf = install(espidf_origin)?;
+        let espidf = install(espidf_origin).map_err(|_| Error::FailedToInstallEspIdf)?;
         #[cfg(windows)]
         install(espidf_origin)?;
         let espidf_dir = get_install_path(repo);
diff --git a/src/toolchain/gcc.rs b/src/toolchain/gcc.rs
index 10abcfc..3b61543 100644
--- a/src/toolchain/gcc.rs
+++ b/src/toolchain/gcc.rs
@@ -2,13 +2,14 @@
 
 use crate::{
     emoji,
+    error::Error,
     host_triple::HostTriple,
     targets::Target,
     toolchain::{download_file, espidf::get_tool_path},
 };
-use anyhow::Result;
 use embuild::espidf::EspIdfVersion;
 use log::{debug, info, warn};
+use miette::Result;
 use std::{
     collections::HashSet,
     path::{Path, PathBuf},
@@ -43,7 +44,7 @@ impl Gcc {
     }
 
     /// Installs the gcc toolchain.
-    pub fn install(&self) -> Result<()> {
+    pub fn install(&self) -> Result<(), Error> {
         let target_dir = format!("{}/{}-{}", self.toolchain_name, self.release, self.version);
         let gcc_path = get_tool_path(&target_dir);
         let extension = get_artifact_extension(&self.host_triple);
@@ -140,7 +141,7 @@ pub fn get_ulp_toolchain_name(target: Target, version: Option<&EspIdfVersion>) -
 pub fn install_gcc_targets(
     targets: &HashSet<Target>,
     host_triple: &HostTriple,
-) -> Result<Vec<String>> {
+) -> Result<Vec<String>, Error> {
     info!("{} Installing gcc for build targets", emoji::WRENCH);
     let mut exports: Vec<String> = Vec::new();
     for target in targets {
diff --git a/src/toolchain/llvm.rs b/src/toolchain/llvm.rs
index ff93385..e0e886a 100644
--- a/src/toolchain/llvm.rs
+++ b/src/toolchain/llvm.rs
@@ -2,11 +2,12 @@
 
 use crate::{
     emoji,
+    error::Error,
     host_triple::HostTriple,
     toolchain::{download_file, espidf::get_tool_path},
 };
-use anyhow::{Ok, Result};
 use log::{info, warn};
+use miette::Result;
 use std::path::{Path, PathBuf};
 
 const DEFAULT_LLVM_REPOSITORY: &str = "https://github.com/espressif/llvm-project/releases/download";
@@ -48,7 +49,7 @@ impl Llvm {
     }
 
     /// Installs the LLVM toolchain.
-    pub fn install(&self) -> Result<Vec<String>> {
+    pub fn install(&self) -> Result<Vec<String>, Error> {
         let mut exports: Vec<String> = Vec::new();
 
         if Path::new(&self.path).exists() {
diff --git a/src/toolchain/mod.rs b/src/toolchain/mod.rs
index fc1e004..fd25b64 100644
--- a/src/toolchain/mod.rs
+++ b/src/toolchain/mod.rs
@@ -1,8 +1,8 @@
-use crate::emoji;
-use anyhow::{bail, Result};
+use crate::{emoji, error::Error};
 use dirs::home_dir;
 use flate2::bufread::GzDecoder;
 use log::info;
+use miette::Result;
 use std::{
     fs::{create_dir_all, File},
     io::{copy, BufReader},
@@ -27,7 +27,7 @@ pub fn download_file(
     file_name: &str,
     output_directory: &str,
     uncompress: bool,
-) -> Result<String> {
+) -> Result<String, Error> {
     let file_path = format!("{}/{}", output_directory, file_name);
     if Path::new(&file_path).exists() {
         info!("{} Using cached file: '{}'", emoji::INFO, file_path);
@@ -39,11 +39,7 @@ pub fn download_file(
             output_directory
         );
         if let Err(_e) = create_dir_all(output_directory) {
-            bail!(
-                "{} Creating directory '{}' failed",
-                emoji::ERROR,
-                output_directory
-            );
+            return Err(Error::FailedToCreateDirectory(output_directory.to_string()));
         }
     }
     info!(
@@ -86,11 +82,7 @@ pub fn download_file(
                 archive.unpack(output_directory).unwrap();
             }
             _ => {
-                bail!(
-                    "{} Unsuported file extension: '{}'",
-                    emoji::ERROR,
-                    extension
-                );
+                return Err(Error::UnsuportedFileExtension(extension.to_string()));
             }
         }
     } else {
diff --git a/src/toolchain/rust.rs b/src/toolchain/rust.rs
index cb6a3ff..dbe9884 100644
--- a/src/toolchain/rust.rs
+++ b/src/toolchain/rust.rs
@@ -2,12 +2,13 @@
 
 use crate::{
     emoji,
+    error::Error,
     host_triple::HostTriple,
     toolchain::{download_file, espidf::get_dist_path, get_home_dir},
 };
-use anyhow::{bail, Result};
 use embuild::cmd;
 use log::{debug, info, warn};
+use miette::Result;
 use regex::Regex;
 use reqwest::header;
 use serde::{Deserialize, Serialize};
@@ -48,7 +49,7 @@ pub struct XtensaRust {
 
 impl XtensaRust {
     /// Get the latest version of Xtensa Rust toolchain.
-    pub fn get_latest_version() -> Result<String> {
+    pub fn get_latest_version() -> Result<String, Error> {
         let mut headers = header::HeaderMap::new();
         headers.insert("Accept", "application/vnd.github.v3+json".parse().unwrap());
 
@@ -62,7 +63,8 @@ impl XtensaRust {
             .headers(headers)
             .send()?
             .text()?;
-        let json: serde_json::Value = serde_json::from_str(&res)?;
+        let json: serde_json::Value =
+            serde_json::from_str(&res).map_err(|_| Error::FailedToSerializeJson)?;
         let mut version = json["tag_name"].to_string();
 
         version.retain(|c| c != 'v' && c != '"');
@@ -72,17 +74,15 @@ impl XtensaRust {
     }
 
     /// Installs the Xtensa Rust toolchain.
-    pub fn install(&self) -> Result<()> {
+    pub fn install(&self) -> Result<(), Error> {
         #[cfg(unix)]
         let toolchain_path = self.toolchain_destination.clone();
         #[cfg(windows)]
         let toolchain_path = self.toolchain_destination.clone().join("esp");
         if toolchain_path.exists() {
-            bail!(
-                "{} The previous installation of Rust Toolchain exists in: '{}'. Please, remove the directory before the new installation.",
-                emoji::WARN,
-                toolchain_path.display()
-            );
+            return Err(Error::XtensaToolchainAlreadyInstalled(
+                toolchain_path.display().to_string(),
+            ));
         }
         info!(
             "{} Installing Xtensa Rust {} toolchain",
@@ -178,20 +178,17 @@ impl XtensaRust {
     }
 
     /// Parses the version of the Xtensa toolchain.
-    pub fn parse_version(arg: &str) -> Result<String> {
+    pub fn parse_version(arg: &str) -> Result<String, Error> {
         debug!("{} Parsing Xtensa Rust version: {}", emoji::DEBUG, arg);
         let re = Regex::new(RE_TOOLCHAIN_VERSION).unwrap();
         if !re.is_match(arg) {
-            bail!(
-                "{} Invalid toolchain version, must be in the form of '<major>.<minor>.<patch>.<subpatch>'",
-                emoji::ERROR
-            );
+            return Err(Error::InvalidXtensaToolchanVersion(arg.to_string()));
         }
         Ok(arg.to_string())
     }
 
     /// Removes the Xtensa Rust toolchain.
-    pub fn uninstall(&self) -> Result<()> {
+    pub fn uninstall(&self) -> Result<(), Error> {
         info!("{} Uninstalling Xtensa Rust toolchain", emoji::WRENCH);
         remove_dir_all(&self.toolchain_destination)?;
         Ok(())
@@ -206,7 +203,7 @@ pub struct Crate {
 
 impl Crate {
     /// Installs a crate.
-    pub fn install(&self) -> Result<()> {
+    pub fn install(&self) -> Result<(), Error> {
         #[cfg(unix)]
         let crate_path = format!("{}/bin/{}", get_cargo_home().display(), self.name);
         #[cfg(windows)]
@@ -233,7 +230,7 @@ impl Crate {
     }
 }
 
-pub fn install_extra_crates(crates: &HashSet<Crate>) -> Result<()> {
+pub fn install_extra_crates(crates: &HashSet<Crate>) -> Result<(), Error> {
     debug!(
         "{} Installing the following crates: {:#?}",
         emoji::DEBUG,
@@ -263,8 +260,8 @@ pub fn get_rustup_home() -> PathBuf {
 }
 
 /// Checks if rustup and the proper nightly version are installed. If rustup is not installed,
-/// it bails. If nigthly version is not installed, proceed to install it.
-pub fn check_rust_installation(nightly_version: &str) -> Result<()> {
+/// it returns an error. If nigthly version is not installed, proceed to install it.
+pub fn check_rust_installation(nightly_version: &str) -> Result<(), Error> {
     info!("{} Checking existing Rust installation", emoji::WRENCH);
 
     match cmd!("rustup", "toolchain", "list")
@@ -284,7 +281,7 @@ pub fn check_rust_installation(nightly_version: &str) -> Result<()> {
                 warn!("{} rustup was not found.", emoji::WARN);
                 install_rustup(nightly_version)?;
             } else {
-                bail!("{} Error detecting rustup: {}", emoji::ERROR, e);
+                return Err(Error::RustupDetectionError(e.to_string()));
             }
         }
     }
@@ -293,7 +290,7 @@ pub fn check_rust_installation(nightly_version: &str) -> Result<()> {
 }
 
 /// Installs rustup
-fn install_rustup(nightly_version: &str) -> Result<()> {
+fn install_rustup(nightly_version: &str) -> Result<(), Error> {
     #[cfg(windows)]
     let rustup_init_path = download_file(
         "https://win.rustup.rs/x86_64".to_string(),
@@ -359,7 +356,7 @@ fn install_rustup(nightly_version: &str) -> Result<()> {
 }
 
 /// Installs the RiscV target.
-pub fn install_riscv_target(nightly_version: &str) -> Result<()> {
+pub fn install_riscv_target(nightly_version: &str) -> Result<(), Error> {
     info!("{} Installing Riscv target", emoji::WRENCH);
     cmd!(
         "rustup",
@@ -383,7 +380,7 @@ pub fn install_riscv_target(nightly_version: &str) -> Result<()> {
 }
 
 /// Installs the desired version of the nightly toolchain.
-fn install_rust_nightly(version: &str) -> Result<()> {
+fn install_rust_nightly(version: &str) -> Result<(), Error> {
     info!("{} Installing {} toolchain", emoji::WRENCH, version);
     cmd!(
         "rustup",