diff --git a/ext/CreateParametersExt.jl b/ext/CreateParametersExt.jl
index cb0288a8..38b05024 100644
--- a/ext/CreateParametersExt.jl
+++ b/ext/CreateParametersExt.jl
@@ -3,7 +3,7 @@ module CreateParametersExt
 import Thermodynamics.Parameters.ThermodynamicsParameters
 import CLIMAParameters as CP
 
-ThermodynamicsParameters(::Type{FT}) where {FT <: AbstractFloat} =
+ThermodynamicsParameters(::Type{FT}) where {FT <: Real} =
     ThermodynamicsParameters(CP.create_toml_dict(FT))
 
 function ThermodynamicsParameters(toml_dict::CP.AbstractTOMLDict)
diff --git a/src/TemperatureProfiles.jl b/src/TemperatureProfiles.jl
index f4d13463..951dd279 100644
--- a/src/TemperatureProfiles.jl
+++ b/src/TemperatureProfiles.jl
@@ -25,7 +25,7 @@ abstract type TemperatureProfile{FT} end
 
 """
     IsothermalProfile(param_set, T_virt)
-    IsothermalProfile(param_set, ::Type{FT<:AbstractFloat})
+    IsothermalProfile(param_set, ::Type{FT<:Real})
 
 A uniform virtual temperature profile, which is implemented
 as a special case of [`DecayingTemperatureProfile`](@ref).
diff --git a/src/isentropic.jl b/src/isentropic.jl
index 723281b3..0701efa3 100644
--- a/src/isentropic.jl
+++ b/src/isentropic.jl
@@ -27,7 +27,7 @@ The air pressure for an isentropic process, where
     θ::FT,
     Φ::FT,
     ::DryAdiabaticProcess,
-) where {FT <: AbstractFloat}
+) where {FT <: Real}
     p0::FT = TP.p_ref_theta(param_set)
     _R_d::FT = TP.R_d(param_set)
     _cp_d::FT = TP.cp_d(param_set)
@@ -50,7 +50,7 @@ The air pressure for an isentropic process, where
     T∞::FT,
     p∞::FT,
     ::DryAdiabaticProcess,
-) where {FT <: AbstractFloat}
+) where {FT <: Real}
     _kappa_d::FT = TP.kappa_d(param_set)
     return p∞ * (T / T∞)^(FT(1) / _kappa_d)
 end
@@ -69,7 +69,7 @@ The air temperature for an isentropic process, where
     p::FT,
     θ::FT,
     ::DryAdiabaticProcess,
-) where {FT <: AbstractFloat}
+) where {FT <: Real}
     _R_d::FT = TP.R_d(param_set)
     _cp_d::FT = TP.cp_d(param_set)
     p0::FT = TP.p_ref_theta(param_set)
diff --git a/src/relations.jl b/src/relations.jl
index a1aa188b..34d6cf3e 100644
--- a/src/relations.jl
+++ b/src/relations.jl
@@ -2342,7 +2342,7 @@ The dry potential temperature, given a thermodynamic state `ts`.
     ρ::FT,
     RH::FT,
     ::Type{phase_type},
-) where {FT <: AbstractFloat, phase_type <: ThermodynamicState}
+) where {FT <: Real, phase_type <: ThermodynamicState}
     q_tot = RH * q_vap_saturation(param_set, T, ρ, phase_type)
     q_pt = PhasePartition_equil(param_set, T, ρ, q_tot, phase_type)
     return virtual_temperature(param_set, T, q_pt)
@@ -2366,7 +2366,7 @@ The air temperature and `q_tot` where
     ::Type{phase_type},
     maxiter::Int = 100,
     tol::RS.AbstractTolerance = RS.ResidualTolerance{FT}(sqrt(eps(FT))),
-) where {FT <: AbstractFloat, phase_type <: ThermodynamicState}
+) where {FT <: Real, phase_type <: ThermodynamicState}
 
     _T_min::FT = TP.T_min(param_set)
     _T_max = T_virt