diff --git a/fhem/contrib/ch.eick/Klimaanlage/MHI_Heavy.txt b/fhem/contrib/ch.eick/Klimaanlage/MHI_Heavy.txt
new file mode 100644
index 000000000..be1750405
--- /dev/null
+++ b/fhem/contrib/ch.eick/Klimaanlage/MHI_Heavy.txt
@@ -0,0 +1,112 @@
+defmod MHI_Heavy HTTPMOD none 0
+attr MHI_Heavy DbLogExclude .*
+attr MHI_Heavy disable 0
+attr MHI_Heavy enableControlSet 0
+attr MHI_Heavy get01-1Name info_apiVer
+attr MHI_Heavy get01-2Name info_command
+attr MHI_Heavy get01-3Name info_deviceId
+attr MHI_Heavy get01-4Name info_result
+attr MHI_Heavy get01-5Name contents_airconId
+attr MHI_Heavy get01-6Name contents_macAddress
+attr MHI_Heavy get01-7Name info_operatorId
+attr MHI_Heavy get01-8Name contents_apMode
+attr MHI_Heavy get01-9Name info_timestamp
+attr MHI_Heavy get01CheckAllReadings 1
+attr MHI_Heavy get01Data {"apiVer":"1.0","command":"getDeviceInfo","deviceId":"e81656185d42","operatorId":"b4220891-e32a-4252-b448-cf3ab2172944","timestamp":1722259820}
+attr MHI_Heavy get01JSON .
+attr MHI_Heavy get01Name 01_getDeviceInfo
+attr MHI_Heavy get01URL http://< IP-Adresse >:51443/beaver/command
+attr MHI_Heavy get02-10Name contents_logStat
+attr MHI_Heavy get02-11Name contents_lowTemp
+attr MHI_Heavy get02-12Name contents_wireless_firmVer
+attr MHI_Heavy get02-13Name contents_numOfAccount
+attr MHI_Heavy get02-14Name contents_remoteList_0
+attr MHI_Heavy get02-15Name contents_remoteList_1
+attr MHI_Heavy get02-16Name contents_remoteList_2
+attr MHI_Heavy get02-17Name contents_remoteList_3
+attr MHI_Heavy get02-18Name contents_timezone
+attr MHI_Heavy get02-19Name contents_updatedBy
+attr MHI_Heavy get02-1Name info_apiVer
+attr MHI_Heavy get02-20Name contents_mcu_firmVer
+attr MHI_Heavy get02-21Name contents_airconId
+attr MHI_Heavy get02-22Name info_operatorId
+attr MHI_Heavy get02-23Name contents_ledStat
+attr MHI_Heavy get02-24Name info_timestamp
+attr MHI_Heavy get02-2Name info_command
+attr MHI_Heavy get02-3Name info_deviceId
+attr MHI_Heavy get02-4Name contents_airconStat
+attr MHI_Heavy get02-5Name contents_autoHeating
+attr MHI_Heavy get02-6Name contents_expires
+attr MHI_Heavy get02-7Name contents_firmType
+attr MHI_Heavy get02-8Name contents_highTemp
+attr MHI_Heavy get02-9Name info_result
+attr MHI_Heavy get02CheckAllReadings 1
+attr MHI_Heavy get02Data {"apiVer":"1.0","command":"getAirconStat","deviceId":"e81656185d42","operatorId":"b4220891-e32a-4252-b448-cf3ab2172944","timestamp":1722259820}
+attr MHI_Heavy get02JSON .
+attr MHI_Heavy get02Name 02_getAirconStat
+attr MHI_Heavy get02URL http://< IP-Adresse >:51443/beaver/command
+attr MHI_Heavy get03CheckAllReadings 1
+attr MHI_Heavy get03Data {"apiVer":"1.0","command":"getAccountInfo","deviceId":"e81656185d42","operatorId":"b4220891-e32a-4252-b448-cf3ab2172944","timestamp":1722259820}
+attr MHI_Heavy get03JSON .
+attr MHI_Heavy get03Name 03_getAccountInfo
+attr MHI_Heavy get03URL http://< IP-Adresse >:51443/beaver/command
+attr MHI_Heavy group PV Eigenverbrauch
+attr MHI_Heavy icon sani_solar
+attr MHI_Heavy replacement01Mode expression
+attr MHI_Heavy replacement01Regex %TIME%
+attr MHI_Heavy replacement01Value {round(time(),0)}
+attr MHI_Heavy replacement02Mode reading
+attr MHI_Heavy replacement02Regex %AIRCONSTAT%
+attr MHI_Heavy replacement02Value contents_airconStat
+attr MHI_Heavy room Neu
+attr MHI_Heavy set02-10Name contents_logStat
+attr MHI_Heavy set02-11Name contents_lowTemp
+attr MHI_Heavy set02-12Name contents_wireless_firmVer
+attr MHI_Heavy set02-13Name contents_numOfAccount
+attr MHI_Heavy set02-14Name contents_remoteList_0
+attr MHI_Heavy set02-15Name contents_remoteList_1
+attr MHI_Heavy set02-16Name contents_remoteList_2
+attr MHI_Heavy set02-17Name contents_remoteList_3
+attr MHI_Heavy set02-18Name contents_timezone
+attr MHI_Heavy set02-19Name contents_updatedBy
+attr MHI_Heavy set02-1Name info_apiVer
+attr MHI_Heavy set02-20Name contents_mcu_firmVer
+attr MHI_Heavy set02-21Name contents_airconId
+attr MHI_Heavy set02-22Name info_operatorId
+attr MHI_Heavy set02-23Name contents_ledStat
+attr MHI_Heavy set02-24Name info_timestamp
+attr MHI_Heavy set02-2Name info_command
+attr MHI_Heavy set02-3Name info_deviceId
+attr MHI_Heavy set02-4Name contents_airconStat
+attr MHI_Heavy set02-5Name contents_autoHeating
+attr MHI_Heavy set02-6Name contents_expires
+attr MHI_Heavy set02-7Name contents_firmType
+attr MHI_Heavy set02-8Name contents_highTemp
+attr MHI_Heavy set02-9Name info_result
+attr MHI_Heavy set02CheckAllReadings 1
+attr MHI_Heavy set02Data {"apiVer":"1.0","command":"setAirconStat","operatorId":"b4220891-e32a-4252-b448-cf3ab2172944","deviceId":"e81656185d42","timestamp":%TIME%,"contents":{"airconId":"e81656185d42","airconStat":"%AIRCONSTAT%"}}
+attr MHI_Heavy set02JSON .
+attr MHI_Heavy set02Name 02_setAirconStat
+attr MHI_Heavy set02NoArg 1
+attr MHI_Heavy set02ParseResponse 1
+attr MHI_Heavy set02URL http://< IP-Adresse >:51443/beaver/command
+attr MHI_Heavy set03-1Name info_apiVer
+attr MHI_Heavy set03-2Name info_command
+attr MHI_Heavy set03-3Name info_deviceId
+attr MHI_Heavy set03-4Name info_operatorId
+attr MHI_Heavy set03-5Name info_result
+attr MHI_Heavy set03-6Name info_timestamp
+attr MHI_Heavy set03CheckAllReadings 1
+attr MHI_Heavy set03Data {"apiVer":"1.0","command":"updateAccountInfo","deviceId":"e81656185d42","operatorId":"b4220891-e32a-4252-b448-cf3ab2172944","timestamp":%TIME%}
+attr MHI_Heavy set03JSON .
+attr MHI_Heavy set03Method PUT
+attr MHI_Heavy set03Name 03_updateAccountInfo
+attr MHI_Heavy set03NoArg 1
+attr MHI_Heavy set03ParseResponse 1
+attr MHI_Heavy set03URL http://< IP-Adresse >:51443/beaver/command
+attr MHI_Heavy showBody 1
+attr MHI_Heavy showError 1
+attr MHI_Heavy sortby 212
+attr MHI_Heavy timeout 7
+attr MHI_Heavy userReadings contents_airconStat_test:contents_airconStat.* { my $airconStat = encode_base64(ReadingsVal("$NAME","contents_airconStat","")) ;; $airconStat =~ s/\n//g ;; $airconStat }
+attr MHI_Heavy verbose 5
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