anchor.diff:            <%= hidden_field_tag 'simulation[electric_hot_water][holidays]', '' %>
             <%= check_box_tag 'simulation[electric_hot_water][holidays]', 'true', @simulation_configuration[:electric_hot_water][:holidays] , { class: 'custom-control-input', id: 'simulation_electric_hot_water_holidays_actual' } %>
             <label for="simulation_electric_hot_water_holidays_actual" class="custom-control-label">On in holidays?</label>
  +        </div>
  +      </div>
  +    </div>
  +    <%= render 'form_buttons' %>
  +  </div>
  +<% end %>
  +
  +
  +<%= f.fields_for :boiler_pumps do |ff| %>
  +  <div class="tab-pane collapse fade" id="boiler_pumps" role="tabpanel" aria-labelledby="boiler_pumps-tab">
  +    <div class="form-row">
  +      <div class="col-auto">
  +        <%= ff.label :pump_power %>
  +        <div class="input-group">
  +          <%= ff.text_field :pump_power, class: 'form-control', value: @simulation_configuration[:boiler_pumps][:pump_power] %>
  +          <div class="input-group-append">
  +            <span class="input-group-text">kW</span>
  +          </div>
  +        </div>
  +      </div>
  +      <div class="col-auto">
  +        <%= ff.label :start_time %>
  +        <div class="form-group">
  +          <div class="input-group date timepicker" id="boiler_pump_start_time" data-target-input="nearest">
  +             <%= ff.text_field :start_time, class: 'form-control datetimepicker-input', value: @simulation_configuration[:boiler_pumps][:start_time].strftime('%I:%M %p'), data: { target: "#boiler_pump_start_time" } %>
  +            <div class="input-group-append" data-target="#boiler_pump_start_time" data-toggle="datetimepicker">
  +              <div class="input-group-text"><i class="fa fa-clock-o"></i></div>
  +            </div>
  +          </div>
  +        </div>
  +      </div>
  +      <div class="col-auto">
  +        <%= ff.label :end_time %>
  +        <div class="form-group">
  +          <div class="input-group date timepicker" id="boiler_pump_end_time" data-target-input="nearest">
  +            <%= ff.text_field :end_time, class: 'form-control datetimepicker-input', value: @simulation_configuration[:boiler_pumps][:end_time].strftime('%I:%M %p'), data: { target: "#boiler_pump_end_time" } %>
  +            <div class="input-group-append" data-target="#boiler_pump_end_time" data-toggle="datetimepicker">
  +              <div class="input-group-text"><i class="fa fa-clock-o"></i></div>
  +            </div>
  +          </div>
  +        </div>
  +
  +      </div>
  +      <div class="col-auto">
  +        <div class="custom-control custom-checkbox custom-control-inline">
  +          <%= hidden_field_tag 'simulation[boiler_pumps][weekends]', '' %>
  +          <%= check_box_tag 'simulation[boiler_pumps][weekends]', 'true', @simulation_configuration[:boiler_pumps][:weekends] , { class: 'custom-control-input', id: 'simulation_boiler_pumps_weekends_actual' } %>
  +          <label for="simulation_boiler_pumps_weekends_actual" class="custom-control-label">On at weekends?</label>
  +        </div>
  +        <div class="custom-control custom-checkbox custom-control-inline">
  +          <%= hidden_field_tag 'simulation[boiler_pumps][holidays]', '' %>
  +          <%= check_box_tag 'simulation[boiler_pumps][holidays]', 'true', @simulation_configuration[:boiler_pumps][:holidays] , { class: 'custom-control-input', id: 'simulation_boiler_pumps_holidays_actual' } %>
  +          <label for="simulation_boiler_pumps_holidays_actual" class="custom-control-label">On in holidays?</label>
           </div>
         </div>
       </div>
  
positive.code:         <div class="input-group">
            <%= ff.text_field :ambient_threshold, class: 'form-control', value: @simulation_configuration[:security_lighting][:ambient_threshold] %>
            <div class="input-group-append">
              <span class="input-group-text">lumens per m<sup>2</sup></span>
            </div>
          </div>
        </div>
  
negative.code: <div class="row">
    <h4 class="">Appliance configuration</h4>
    <p>If you know the correct configuration for the various appliances in your school, then enter them here. Click on 'Update simulator' to see if the charts show the simulated energy usage being close to the actual energy usage.</p>
    <p>Once it is showing a similar shape of energy usage, click on 'See results' to see the breakdown of electricity consumption per appliance type at your school.</p>
    <ul class="nav nav-tabs" id="simulator-nav" role="tablist">
      <li class="nav-item">
        <a class="nav-link active" id="introduction-tab" data-toggle="tab" href="#introduction" role="tab" aria-controls="introduction">Introduction</a>
  