diff --git a/.github/workflows/runexamples.yml b/.github/workflows/runexamples.yml
new file mode 100644
index 0000000..42209ab
--- /dev/null
+++ b/.github/workflows/runexamples.yml
@@ -0,0 +1,29 @@
+name: Run examples
+
+on:
+  push:
+    branches:
+      - main
+    tags: '*'
+  pull_request:
+
+jobs:
+  build:
+    permissions:
+      actions: write
+      contents: write
+      pull-requests: read
+      statuses: write
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: julia-actions/setup-julia@v2
+        with:
+          version: '1.10'
+      - uses: julia-actions/cache@v2
+      - name: Install dependencies
+        run: julia --color=yes test/examples/initialize.jl
+      - name: Run examples
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} 
+        run: julia --color=yes test/examples/run.jl
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
index 397aa50..3035719 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,6 @@
 **/Manifest.toml
 .vscode
 .CondaPkg
-.pb.gz
+**.pb.gz
 /docs/build/*
 __pycache__/
\ No newline at end of file
diff --git a/Project.toml b/Project.toml
index 449e39a..9acbcb5 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "BoreholeNetworksSimulator"
 uuid = "b11dda51-a240-44f0-a43d-fea4e1309b86"
 authors = ["Marc Basquens <marc5@kth.se>", "Alberto Lazzarotto <alberto.lazzarotto84@gmail.com>"]
-version = "0.1.12"
+version = "0.1.13"
 
 [deps]
 Bessels = "0e736298-9ec6-45e8-9647-e4fc86a2fe38"
diff --git a/examples/Braedstrup/main.jl b/examples/Braedstrup/main.jl
index 5c9ae1f..c12f047 100644
--- a/examples/Braedstrup/main.jl
+++ b/examples/Braedstrup/main.jl
@@ -1,12 +1,12 @@
 using BoreholeNetworksSimulator
 using BNSPlots
 using CSV
-using Statistics
 using Colors
 using Parameters
+using WGLMakie
 
 function load_positions_from_file(file)
-    data = CSV.read(file, values, header=true, decimal=',')
+    data = CSV.read(file, values, header=true, decimal=',', delim=';')
     data = reduce(hcat, data)
     [(data[i, 2], data[i, 3]) for i in 1:size(data)[1]]
 end
@@ -48,7 +48,6 @@ options = SimulationOptions(
     borefield = borefield,
     fluid = fluid,
     medium = medium,
-    approximation = MidPointApproximation(),
     Δt = Δt,
     Nt = Nt,
     configurations = configurations
@@ -81,6 +80,6 @@ color_ranges = [(colorant"darkorange", colorant"blue"), (colorant"red", colorant
 borefiled_plot = plot_borefield(network, borehole_positions, distinguished_branches = monitored_branches, colors = color_ranges)
 branch1 = monitor(containers, network.branches[monitored_branches[1]], options.t, display = [:Tfin], color_pair=color_ranges[1])
 
-save("examples/Braedstrup/plots/Braedstrup_borefield.png", borefiled_plot)
-save("examples/Braedstrup/plots/branch1.png", branch1)
+# save("examples/Braedstrup/plots/Braedstrup_borefield.png", borefiled_plot)
+# save("examples/Braedstrup/plots/branch1.png", branch1)
 
diff --git a/examples/Braedstrup/plots/Braedstrup_borefield.png b/examples/Braedstrup/plots/Braedstrup_borefield.png
new file mode 100644
index 0000000..9c2858e
Binary files /dev/null and b/examples/Braedstrup/plots/Braedstrup_borefield.png differ
diff --git a/examples/Braedstrup/plots/branch1.png b/examples/Braedstrup/plots/branch1.png
new file mode 100644
index 0000000..9028115
Binary files /dev/null and b/examples/Braedstrup/plots/branch1.png differ
diff --git a/examples/g-function/main.jl b/examples/g-function/main.jl
index 9ba78e7..ba5d0c6 100644
--- a/examples/g-function/main.jl
+++ b/examples/g-function/main.jl
@@ -62,4 +62,4 @@ make_plot(axis, 0.5*10)
 fig[1, 2] = Legend(fig, axis, "", framevisible = false)
 
 fig
-save("examples/g-function/gfunction.png", fig)
+# save("examples/g-function/gfunction.png", fig)
diff --git a/examples/tekniska/constant_m_week.jl b/examples/tekniska/constant_m.jl
similarity index 79%
rename from examples/tekniska/constant_m_week.jl
rename to examples/tekniska/constant_m.jl
index e12f561..e40b241 100644
--- a/examples/tekniska/constant_m_week.jl
+++ b/examples/tekniska/constant_m.jl
@@ -9,7 +9,7 @@ containers = @time initialize(options)
 
 t_range = (5*8760-24*7):5*8760
 const_m_plot = monitor(containers, [4, 7], options.t, steps = t_range,  color_pair = (colorant"darkgreen", colorant"red")) 
-save("examples/tekniska/plots/const_m.png", const_m_plot)
+# save("examples/tekniska/plots/const_m.png", const_m_plot)
 
 const_m_plot_5_year = monitor(containers, [4, 7], options.t, color_pair = (colorant"darkgreen", colorant"red")) 
-save("examples/tekniska/plots/const_m_5_years.png", const_m_plot_5_year)
\ No newline at end of file
+# save("examples/tekniska/plots/const_m_5_years.png", const_m_plot_5_year)
\ No newline at end of file
diff --git a/examples/tekniska/defs.jl b/examples/tekniska/defs.jl
index d432f7a..ab4c30b 100644
--- a/examples/tekniska/defs.jl
+++ b/examples/tekniska/defs.jl
@@ -90,5 +90,5 @@ end
 weekly = plot_weekly_Q()
 yearly = plot_Q()
 
-#save("examples/tekniska/plots/Q_week.png", weekly)
-#save("examples/tekniska/plots/Q_year.png", yearly)
\ No newline at end of file
+# save("examples/tekniska/plots/Q_week.png", weekly)
+# save("examples/tekniska/plots/Q_year.png", yearly)
\ No newline at end of file
diff --git a/examples/tekniska/prop_m.jl b/examples/tekniska/prop_m.jl
index 697218c..96e6da2 100644
--- a/examples/tekniska/prop_m.jl
+++ b/examples/tekniska/prop_m.jl
@@ -21,4 +21,4 @@ containers = @time initialize(options)
 t_range = (5*8760-24*7):5*8760
 prop_m_plot = monitor(containers, [4, 7], options.t, steps = t_range, color_pair = (colorant"darkgreen", colorant"red")) 
 
-save("examples/tekniska/plots/prop_m.png", prop_m_plot)
+# save("examples/tekniska/plots/prop_m.png", prop_m_plot)
diff --git a/examples/tekniska/toggle.jl b/examples/tekniska/toggle.jl
index 6573774..c4b9095 100644
--- a/examples/tekniska/toggle.jl
+++ b/examples/tekniska/toggle.jl
@@ -49,4 +49,4 @@ containers = @time initialize(options)
 t_range = (5*8760-24*7):5*8760
 toggle_plot = monitor(containers, [4, 7], options.t, steps = t_range, color_pair = (colorant"darkgreen", colorant"red")) 
 
-save("examples/tekniska/plots/toggle.png", toggle_plot)
\ No newline at end of file
+# save("examples/tekniska/plots/toggle.png", toggle_plot)
\ No newline at end of file
diff --git a/profile.pb.gz b/profile.pb.gz
deleted file mode 100644
index 75056e2..0000000
Binary files a/profile.pb.gz and /dev/null differ
diff --git a/src/modular/core/SimpleOperator.jl b/src/modular/operators/SimpleOperator.jl
similarity index 100%
rename from src/modular/core/SimpleOperator.jl
rename to src/modular/operators/SimpleOperator.jl
diff --git a/test/api/api.jl b/test/api/api.jl
new file mode 100644
index 0000000..48484ce
--- /dev/null
+++ b/test/api/api.jl
@@ -0,0 +1,49 @@
+
+@testset "test_Approximations" begin
+    @test MeanApproximation() isa Any
+    #@test MidPointApproximation() isa Any
+end
+
+@testset "test_Boreholes" begin
+    @test SingleUPipeBorehole(H = 100., D = 0.) isa Any
+end
+
+@testset "test_Borefields" begin
+    borehole = SingleUPipeBorehole(H = 100., D = 0.)
+    @test EqualBoreholesBorefield(borehole_prototype=borehole, positions=[(0., 0.)]) isa Any
+end
+
+@testset "test_Boundary_Conditions" begin
+    @test DirichletBoundaryCondition() isa Any
+    @test NoBoundary() isa Any
+end
+
+@testset "test_Constraints" begin
+    Nt = 10
+    Nbr = 10
+
+    @test HeatLoadConstraint(rand(Nbr, Nt)) isa Any
+    @test constant_HeatLoadConstraint(rand(Nbr), Nt) isa Any
+    @test uniform_HeatLoadConstraint(rand(Nt), Nbr) isa Any
+
+    @test InletTempConstraint(rand(Nbr, Nt)) isa Any
+    @test constant_InletTempConstraint(rand(Nbr), Nt) isa Any
+    @test uniform_InletTempConstraint(rand(Nt), Nbr) isa Any
+
+    @test TotalHeatLoadConstraint(rand(Nt)) isa Any    
+end
+
+@testset "test_Fluids" begin
+    @test Water() isa Any
+    @test EthanolMix() isa Any
+end
+
+@testset "test_Mediums" begin
+    @test FlowInPorousMedium() isa Any
+    @test GroundMedium() isa Any
+end
+
+@testset "test_Methods" begin
+    @test ConvolutionMethod() isa Any
+    @test NonHistoryMethod() isa Any
+end
\ No newline at end of file
diff --git a/test/examples/initialize.jl b/test/examples/initialize.jl
new file mode 100644
index 0000000..2c2b544
--- /dev/null
+++ b/test/examples/initialize.jl
@@ -0,0 +1,17 @@
+using Pkg
+
+geothermal_registry = "https://github.com/marcbasquensmunoz/geothermal_registry"
+
+project_directory = joinpath(@__DIR__, "..", "..")
+plots_directory = joinpath(project_directory, "BNSPlots")
+
+cd(project_directory) do
+    Pkg.Registry.add(RegistrySpec(url = geothermal_registry))
+    Pkg.Registry.add("General")
+    Pkg.develop(PackageSpec(path = plots_directory))
+    Pkg.develop(PackageSpec(path = project_directory))
+    Pkg.activate()
+    Pkg.instantiate()
+end
+
+Pkg.add(["CSV", "Colors", "Parameters", "WGLMakie"])
\ No newline at end of file
diff --git a/test/examples/run.jl b/test/examples/run.jl
new file mode 100644
index 0000000..154e908
--- /dev/null
+++ b/test/examples/run.jl
@@ -0,0 +1,11 @@
+
+@info "Running Braedstrup"
+include("../../examples/Braedstrup/main.jl")
+@info "Running g-function"
+include("../../examples/g-function/main.jl")
+@info "Running Tekniska: constant m"
+include("../../examples/tekniska/constant_m.jl")
+@info "Running Tekniska: proportional m"
+include("../../examples/tekniska/prop_m.jl")
+@info "Running Tekniska: toggle"
+include("../../examples/tekniska/toggle.jl")
diff --git a/test/runtests.jl b/test/runtests.jl
index d79538d..2c9668d 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -10,6 +10,9 @@ include("mocks/buffer.jl")
 # Check interface implementations
 include("test_interfaces.jl")
 
+# Run smoke tests
+include("api/api.jl")
+
 # Run unit tests
 include("mediums/test_GroundMedium.jl")
 include("mediums/test_FlowInPorousMedium.jl")
@@ -25,9 +28,7 @@ include("boreholes/test_SingleUPipeBorehole.jl")
 include("methods/test_ConvolutionMethod.jl")
 include("methods/test_NonHistoryMethod.jl")
 
-# Run examples
-#include("$(dirname(pwd()))/examples/Braedstrup/main.jl")
-
 # Run tutorials
-include("$(dirname(pwd()))/docs/src/tutorial.jl")
-include("$(dirname(pwd()))/docs/src/nonhistory.jl")
+project_dir = dirname(pwd())
+include("$project_dir/docs/src/tutorial.jl")
+include("$project_dir/docs/src/nonhistory.jl")