diff --git a/cal_and_val/thermal/cal_hev.py b/cal_and_val/thermal/cal_hev.py
index e055966f..cf847802 100644
--- a/cal_and_val/thermal/cal_hev.py
+++ b/cal_and_val/thermal/cal_hev.py
@@ -499,23 +499,23 @@ def get_fc_temp_too_hot(sd_dict):
         (10, 250), # new_cab_htc_to_amb_stop
         (100e3, 350e3), # new_cab_tm
         (1.5, 7), # new_cab_length
-        (5, 50), # new_speed_soc_disch_buffer_meters_per_second
+        (5, 100), # new_speed_soc_disch_buffer_meters_per_second
         (0.25, 5.0), # new_speed_soc_disch_buffer_coeff
         (5, 100), # new_speed_soc_fc_on_buffer_meters_per_second
-        (0.25, 2.0), # new_speed_soc_fc_on_buffer_coeff
-        (5, 30), # new_fc_min_time_on_seconds
+        (0.25, 5.0), # new_speed_soc_fc_on_buffer_coeff
+        (3, 30), # new_fc_min_time_on_seconds
         (0.3, 0.8), # new_frac_pwr_demand_fc_forced_on
         (0.1, 1.0), # new_frac_of_most_eff_pwr_to_run_fc
-        (5, 1000), # new_hvac_p_watts_per_kelvin
+        (5, 1_000), # new_hvac_p_watts_per_kelvin
         (1, 100), # new_hvac_i
-        (0.05, 0.25), # new_hvac_frac_of_ideal_cop
+        (0.05, 0.35), # new_hvac_frac_of_ideal_cop
         (50e3, 300e3), # new_fc_thrml_heat_capacitance_joules_per_kelvin,
-        (0.2, 2), # new_fc_thrml_length_for_convection_meters,
-        (10, 100), # new_fc_thrml_htc_to_amb_stop_watts_per_square_meter_kelvin,
-        (10, 1000), # new_fc_thrml_conductance_from_comb_watts_per_kelvin,
+        (0.2, 3), # new_fc_thrml_length_for_convection_meters,
+        (5, 100), # new_fc_thrml_htc_to_amb_stop_watts_per_square_meter_kelvin,
+        (5, 5_000), # new_fc_thrml_conductance_from_comb_watts_per_kelvin,
         # (), # new_fc_thrml_max_frac_from_comb,
-        (3, 200), # new_fc_thrml_radiator_effectiveness,
-        (220, 300), # new_fc_thrml_fc_eff_model_Exponential_offset,
+        (3, 300), # new_fc_thrml_radiator_effectiveness,
+        (220, 350), # new_fc_thrml_fc_eff_model_Exponential_offset,
         (10, 60), # new_fc_thrml_fc_eff_model_Exponential_lag,
         (0.15, 0.35), # new_fc_thrml_fc_eff_model_Exponential_minimum,
     ),
diff --git a/cal_and_val/thermal/f3-vehicles/2021_Hyundai_Sonata_Hybrid_Blue.yaml b/cal_and_val/thermal/f3-vehicles/2021_Hyundai_Sonata_Hybrid_Blue.yaml
index 01f659cc..3f8ec9cc 100644
--- a/cal_and_val/thermal/f3-vehicles/2021_Hyundai_Sonata_Hybrid_Blue.yaml
+++ b/cal_and_val/thermal/f3-vehicles/2021_Hyundai_Sonata_Hybrid_Blue.yaml
@@ -237,15 +237,15 @@ hvac:
     te_set_kelvin: 295.15
     te_deadband_kelvin: 1.5
     p_watts_per_kelvin: 100.0
-    i: 10.0
+    i: 50.0
     # TODO: bump this up
-    pwr_i_max_watts: 5000.0
+    pwr_i_max_watts: 10000.0
     d: 5.0
-    pwr_thrml_max_watts: 10000.0
+    pwr_thrml_max_watts: 15000.0
     frac_of_ideal_cop: 0.15
     heat_source: FuelConverter
     # TODO: bump this up
-    pwr_aux_for_hvac_max_watts: 5000.0
+    pwr_aux_for_hvac_max_watts: 8000.0
 mass_kilograms: 1508.195
 pwr_aux_base_watts: 500.0
 trans_eff: 0.98
diff --git a/cal_and_val/thermal/val_hev.py b/cal_and_val/thermal/val_hev.py
index 308e9e03..3a030cf4 100644
--- a/cal_and_val/thermal/val_hev.py
+++ b/cal_and_val/thermal/val_hev.py
@@ -19,8 +19,8 @@
     best_row_fuel_energy,
     :len(cal_mod_obj.param_fns)].to_numpy()
 
-res_df['euclidean'] = (
-    res_df.iloc[:, len(cal_mod_obj.param_fns):] ** 2).sum(1).pow(1/2)
+# res_df['euclidean'] = (
+#     res_df.iloc[:, len(cal_mod_obj.param_fns):] ** 2).sum(1).pow(1/2)
 best_row = res_df["euclidean"].argmin()
 best_df = res_df.iloc[best_row, :]
 param_vals_euclidean = res_df.iloc[