diff --git a/src/fvOptions/fvOptions/fvOption.C b/src/fvOptions/fvOptions/fvOption.C
index 067e0403b5..068a24b356 100644
--- a/src/fvOptions/fvOptions/fvOption.C
+++ b/src/fvOptions/fvOptions/fvOption.C
@@ -86,8 +86,8 @@ void Foam::fv::option::setSelection(const dictionary& dict)
         }
         case smMapRegion:
         {
-            dict_.lookup("secondarySourceName") >> secondarySourceName_;
-            dict_.lookup("mapRegionName") >> mapRegionName_;
+            dict_.lookup("nbrModelName") >> nbrModelName_;
+            dict_.lookup("nbrRegionName") >> nbrRegionName_;
             master_  = readBool(dict_.lookup("master"));
             break;
         }
@@ -128,7 +128,7 @@ void Foam::fv::option::setCellSet()
                 label globalCellI = returnReduce(cellI, maxOp<label>());
                 if (globalCellI < 0)
                 {
-                    WarningIn("option::setCellIds()")
+                    WarningIn("option::setCellSet()")
                         << "Unable to find owner cell for point " << points_[i]
                         << endl;
 
@@ -171,13 +171,13 @@ void Foam::fv::option::setCellSet()
             if (active_)
             {
                 Info<< indent << "- selecting inter region mapping" << endl;
-                const fvMesh& secondaryMesh =
-                    mesh_.time().lookupObject<fvMesh>(mapRegionName_);
+                const fvMesh& nbrMesh =
+                    mesh_.time().lookupObject<fvMesh>(nbrRegionName_);
 
-                boundBox primaryBB(mesh_.points(), false);
-                boundBox secondaryBB(secondaryMesh.points(), false);
+                boundBox BB(mesh_.points(), false);
+                boundBox nbrBB(nbrMesh.points(), false);
 
-                if (secondaryBB.overlaps(primaryBB))
+                if (nbrBB.overlaps(BB))
                 {
                     // Dummy patches
                     wordList cuttingPatches;
@@ -187,7 +187,7 @@ void Foam::fv::option::setCellSet()
                     (
                         new meshToMesh
                         (
-                            secondaryMesh,
+                            nbrMesh,
                             mesh_,
                             patchMap,
                             cuttingPatches
@@ -197,10 +197,9 @@ void Foam::fv::option::setCellSet()
                 else
                 {
                     FatalErrorIn("option::setCellSet()")
-                        << "regions dont overlap "
-                        << secondaryMesh.name()
-                        << " in region " << mesh_.name()
-                        << nl
+                        << "regions do not overlap "
+                        << nbrMesh.name()
+                        << " in region " << mesh_.name() << nl
                         << exit(FatalError);
                 }
             }
@@ -215,7 +214,7 @@ void Foam::fv::option::setCellSet()
         }
         default:
         {
-            FatalErrorIn("option::setCellIds()")
+            FatalErrorIn("option::setCellSet()")
                 << "Unknown selectionMode "
                 << selectionModeTypeNames_[selectionMode_]
                 << ". Valid selectionMode types are" << selectionModeTypeNames_
@@ -264,8 +263,8 @@ Foam::fv::option::option
     cellSetName_("none"),
     V_(0.0),
     secondaryToPrimaryInterpPtr_(),
-    secondarySourceName_("none"),
-    mapRegionName_("none"),
+    nbrModelName_("none"),
+    nbrRegionName_("none"),
     master_(false),
 
     fieldNames_(),
diff --git a/src/fvOptions/fvOptions/fvOption.H b/src/fvOptions/fvOptions/fvOption.H
index b6f2cd9689..8e51e4e3ea 100644
--- a/src/fvOptions/fvOptions/fvOption.H
+++ b/src/fvOptions/fvOptions/fvOption.H
@@ -131,14 +131,14 @@ protected:
 
         // Data for smMapRegion only
 
-            //- Mesh to mesh mapping for map optiom
+            //- Mesh to mesh mapping for map option
             autoPtr<meshToMesh> secondaryToPrimaryInterpPtr_;
 
-            //- Name of the source in the secondary mesh
-            word secondarySourceName_;
+            //- Name of the model in the neighbour mesh
+            word nbrModelName_;
 
-            //- Name of the region to map
-            word mapRegionName_;
+            //- Name of the neighbour region to map
+            word nbrRegionName_;
 
             //- Master or slave region
             bool master_;
@@ -288,16 +288,16 @@ public:
             //- Return const access to the total cell volume
             inline scalar V() const;
 
-            //- Return const access to the secondarySourceName
-            inline const word secondarySourceName() const;
+            //- Return const access to the neighbour model name
+            inline const word& nbrModelName() const;
+
+            //- Return const access to the neighbour region name
+            inline const word& nbrRegionName() const;
 
             //- Return const access to the mapToMap Ptr
             inline const autoPtr<meshToMesh>
                 secondaryToPrimaryInterpPtr() const;
 
-            //- Return const referenc to the mapRegion
-            inline const word mapRegionName() const;
-
             //- Return const access to the cell set
             inline const labelList& cells() const;
 
diff --git a/src/fvOptions/fvOptions/fvOptionI.H b/src/fvOptions/fvOptions/fvOptionI.H
index 1ec819173d..8c3bf59233 100644
--- a/src/fvOptions/fvOptions/fvOptionI.H
+++ b/src/fvOptions/fvOptions/fvOptionI.H
@@ -126,9 +126,15 @@ inline Foam::scalar& Foam::fv::option::duration()
 }
 
 
-inline const Foam::word Foam::fv::option::secondarySourceName() const
+inline const Foam::word& Foam::fv::option::nbrModelName() const
 {
-    return secondarySourceName_;
+    return nbrModelName_;
+}
+
+
+inline const Foam::word& Foam::fv::option::nbrRegionName() const
+{
+    return nbrRegionName_;
 }
 
 
@@ -139,10 +145,4 @@ Foam::fv::option::secondaryToPrimaryInterpPtr() const
 }
 
 
-inline const Foam::word Foam::fv::option::mapRegionName() const
-{
-    return mapRegionName_;
-}
-
-
 // ************************************************************************* //
diff --git a/src/fvOptions/sources/derived/interRegionHeatTransferModel/interRegionHeatTransferModel/interRegionHeatTransferModel.C b/src/fvOptions/sources/derived/interRegionHeatTransferModel/interRegionHeatTransferModel/interRegionHeatTransferModel.C
index 4db71baeee..3a1067bdd7 100644
--- a/src/fvOptions/sources/derived/interRegionHeatTransferModel/interRegionHeatTransferModel/interRegionHeatTransferModel.C
+++ b/src/fvOptions/sources/derived/interRegionHeatTransferModel/interRegionHeatTransferModel/interRegionHeatTransferModel.C
@@ -45,35 +45,30 @@ namespace fv
 
 void Foam::fv::interRegionHeatTransferModel::check()
 {
-    const fvMesh& secondaryMesh =
-        mesh_.time().lookupObject<fvMesh>(mapRegionName_);
+    const fvMesh& nbrMesh = mesh_.time().lookupObject<fvMesh>(nbrRegionName_);
 
-    const optionList& IObsl =
-        secondaryMesh.lookupObject<optionList>("sourcesProperties");
+    const optionList& fvOptions = nbrMesh.lookupObject<optionList>("fvOptions");
 
-    const PtrList<option>& bsl = IObsl;
+    bool nbrModelFound = false;
 
-    bool secSourceFound(false);
-
-    forAll(bsl, i)
+    forAll(fvOptions, i)
     {
-        if (bsl[i].name() == secondarySourceName_)
+        if (fvOptions[i].name() == nbrModelName_)
         {
-            secIrht_ = &const_cast<interRegionHeatTransferModel&>
+            nbrModel_ = &const_cast<interRegionHeatTransferModel&>
             (
-                refCast<const interRegionHeatTransferModel>(bsl[i])
+                refCast<const interRegionHeatTransferModel>(fvOptions[i])
             );
-            secSourceFound = true;
+            nbrModelFound = true;
             break;
         }
     }
 
-    if (!secSourceFound)
+    if (!nbrModelFound)
     {
         FatalErrorIn("interRegionHeatTransferModel::check()")
-            << "Secondary source name not found" << secondarySourceName_
-            << " in region " << secondaryMesh.name()
-            << nl
+            << "Secondary source name not found" << nbrModelName_
+            << " in region " << nbrMesh.name() << nl
             << exit(FatalError);
     }
 }
@@ -90,13 +85,13 @@ Foam::fv::interRegionHeatTransferModel::interRegionHeatTransferModel
 )
 :
     option(name, modelType, dict, mesh),
-    secIrht_(),
+    nbrModel_(),
     firstIter_(true),
     htc_
     (
         IOobject
         (
-            "htc",
+            type() + ".htc",
             mesh.time().timeName(),
             mesh,
             IOobject::NO_READ,
@@ -140,7 +135,6 @@ void Foam::fv::interRegionHeatTransferModel::addSup
     if (!secondaryToPrimaryInterpPtr_.valid())
     {
         return;
-
     }
 
     if (firstIter_)
@@ -157,7 +151,7 @@ void Foam::fv::interRegionHeatTransferModel::addSup
         (
             IOobject
             (
-                mesh_.name() + "::Tmapped",
+                type() + ".Tmapped",
                 mesh_.time().timeName(),
                 mesh_,
                 IOobject::NO_READ,
@@ -170,7 +164,7 @@ void Foam::fv::interRegionHeatTransferModel::addSup
 
     volScalarField& Tmapped = tTmapped();
 
-    const fvMesh& nbrMesh = mesh_.time().lookupObject<fvMesh>(mapRegionName_);
+    const fvMesh& nbrMesh = mesh_.time().lookupObject<fvMesh>(nbrRegionName_);
 
     const volScalarField& Tnbr = nbrMesh.lookupObject<volScalarField>("T");
 
@@ -187,7 +181,7 @@ void Foam::fv::interRegionHeatTransferModel::addSup
         secondaryToPrimaryInterpPtr_->interpolateInternalField
         (
             htc_,
-            secIrht_->calculateHtc(),
+            nbrModel_->calculateHtc(),
             meshToMesh::CELL_VOLUME_WEIGHT,
             eqOp<scalar>()
         );
@@ -195,7 +189,7 @@ void Foam::fv::interRegionHeatTransferModel::addSup
 
     if (debug)
     {
-        Info<< " Volumetric integral of htc : "
+        Info<< "Volumetric integral of htc: "
             << fvc::domainIntegrate(htc_).value()
             << endl;
 
@@ -241,9 +235,9 @@ void Foam::fv::interRegionHeatTransferModel::addSup
 void Foam::fv::interRegionHeatTransferModel::writeData(Ostream& os) const
 {
     os.writeKeyword("name") << this->name() << token::END_STATEMENT << nl;
-    os.writeKeyword("mapRegionName") << mapRegionName_
+    os.writeKeyword("nbrRegionName") << nbrRegionName_
         << token::END_STATEMENT << nl;
-    os.writeKeyword("secondarySourceName") << secondarySourceName_
+    os.writeKeyword("nbrModeleName") << nbrModelName_
         << token::END_STATEMENT << nl;
     os.writeKeyword("master") << master_ << token::END_STATEMENT << nl;
     os.writeKeyword("semiImplicit") << semiImplicit_ << token::END_STATEMENT
diff --git a/src/fvOptions/sources/derived/interRegionHeatTransferModel/interRegionHeatTransferModel/interRegionHeatTransferModel.H b/src/fvOptions/sources/derived/interRegionHeatTransferModel/interRegionHeatTransferModel/interRegionHeatTransferModel.H
index 428b0f2ee5..2ced33cacc 100644
--- a/src/fvOptions/sources/derived/interRegionHeatTransferModel/interRegionHeatTransferModel/interRegionHeatTransferModel.H
+++ b/src/fvOptions/sources/derived/interRegionHeatTransferModel/interRegionHeatTransferModel/interRegionHeatTransferModel.H
@@ -57,8 +57,8 @@ private:
 
     // Private data
 
-        //- Pointer to secondary interRegionHeatTransferModel
-        interRegionHeatTransferModel* secIrht_;
+        //- Pointer to neighbour interRegionHeatTransferModel
+        interRegionHeatTransferModel* nbrModel_;
 
         //- First iteration
         bool firstIter_;
diff --git a/src/fvOptions/sources/derived/interRegionHeatTransferModel/tabulatedHeatTransfer/tabulatedHeatTransfer.C b/src/fvOptions/sources/derived/interRegionHeatTransferModel/tabulatedHeatTransfer/tabulatedHeatTransfer.C
index 6ccd16cad5..9d2707f666 100644
--- a/src/fvOptions/sources/derived/interRegionHeatTransferModel/tabulatedHeatTransfer/tabulatedHeatTransfer.C
+++ b/src/fvOptions/sources/derived/interRegionHeatTransferModel/tabulatedHeatTransfer/tabulatedHeatTransfer.C
@@ -110,7 +110,7 @@ Foam::fv::tabulatedHeatTransfer::~tabulatedHeatTransfer()
 const Foam::tmp<Foam::volScalarField>
 Foam::fv::tabulatedHeatTransfer::calculateHtc()
 {
-    const fvMesh& nbrMesh = mesh_.time().lookupObject<fvMesh>(mapRegionName());
+    const fvMesh& nbrMesh = mesh_.time().lookupObject<fvMesh>(nbrRegionName());
 
     const volVectorField& UNbr = nbrMesh.lookupObject<volVectorField>("U");
 
diff --git a/src/fvOptions/sources/derived/interRegionHeatTransferModel/variableHeatTransfer/variableHeatTransfer.C b/src/fvOptions/sources/derived/interRegionHeatTransferModel/variableHeatTransfer/variableHeatTransfer.C
index 8af49a5726..ad2cf21797 100644
--- a/src/fvOptions/sources/derived/interRegionHeatTransferModel/variableHeatTransfer/variableHeatTransfer.C
+++ b/src/fvOptions/sources/derived/interRegionHeatTransferModel/variableHeatTransfer/variableHeatTransfer.C
@@ -96,12 +96,11 @@ Foam::fv::variableHeatTransfer::~variableHeatTransfer()
 
 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
-
 const Foam::tmp<Foam::volScalarField>
 Foam::fv::variableHeatTransfer::calculateHtc()
 {
     const fvMesh& nbrMesh =
-        mesh_.time().lookupObject<fvMesh>(mapRegionName());
+        mesh_.time().lookupObject<fvMesh>(nbrRegionName());
 
     const compressible::turbulenceModel& nbrTurb =
         nbrMesh.lookupObject<compressible::turbulenceModel>("turbulenceModel");