diff --git a/CODEOWNERS b/CODEOWNERS
index 79b2d0503c..2254ff2caa 100644
--- a/CODEOWNERS
+++ b/CODEOWNERS
@@ -18,8 +18,10 @@ esphome/components/bang_bang/* @OttoWinter
 esphome/components/binary_sensor/* @esphome/core
 esphome/components/captive_portal/* @OttoWinter
 esphome/components/climate/* @esphome/core
+esphome/components/climate_ir/* @glmnet
 esphome/components/cover/* @esphome/core
 esphome/components/debug/* @OttoWinter
+esphome/components/dfplayer/* @glmnet
 esphome/components/dht/* @OttoWinter
 esphome/components/exposure_notifications/* @OttoWinter
 esphome/components/fastled_base/* @OttoWinter
@@ -40,9 +42,11 @@ esphome/components/pid/* @OttoWinter
 esphome/components/pn532/* @OttoWinter
 esphome/components/power_supply/* @esphome/core
 esphome/components/restart/* @esphome/core
+esphome/components/rtttl/* @glmnet
 esphome/components/script/* @esphome/core
 esphome/components/sensor/* @esphome/core
 esphome/components/shutdown/* @esphome/core
+esphome/components/sim800l/* @glmnet
 esphome/components/spi/* @esphome/core
 esphome/components/substitutions/* @esphome/core
 esphome/components/sun/* @OttoWinter
diff --git a/esphome/components/ac_dimmer/output.py b/esphome/components/ac_dimmer/output.py
index 16f04ac984..17dcd8ac26 100644
--- a/esphome/components/ac_dimmer/output.py
+++ b/esphome/components/ac_dimmer/output.py
@@ -4,6 +4,8 @@ from esphome import pins
 from esphome.components import output
 from esphome.const import CONF_ID, CONF_MIN_POWER, CONF_METHOD
 
+CODEOWNERS = ['@glmnet']
+
 ac_dimmer_ns = cg.esphome_ns.namespace('ac_dimmer')
 AcDimmer = ac_dimmer_ns.class_('AcDimmer', output.FloatOutput, cg.Component)
 
diff --git a/esphome/components/climate_ir/__init__.py b/esphome/components/climate_ir/__init__.py
index 1163705faa..40ab3f22e8 100644
--- a/esphome/components/climate_ir/__init__.py
+++ b/esphome/components/climate_ir/__init__.py
@@ -6,6 +6,7 @@ from esphome.const import CONF_SUPPORTS_COOL, CONF_SUPPORTS_HEAT, CONF_SENSOR
 from esphome.core import coroutine
 
 AUTO_LOAD = ['sensor', 'remote_base']
+CODEOWNERS = ['@glmnet']
 
 climate_ir_ns = cg.esphome_ns.namespace('climate_ir')
 ClimateIR = climate_ir_ns.class_('ClimateIR', climate.Climate, cg.Component,
diff --git a/esphome/components/coolix/climate.py b/esphome/components/coolix/climate.py
index 81412bb586..075fad5a4b 100644
--- a/esphome/components/coolix/climate.py
+++ b/esphome/components/coolix/climate.py
@@ -4,6 +4,7 @@ from esphome.components import climate_ir
 from esphome.const import CONF_ID
 
 AUTO_LOAD = ['climate_ir']
+CODEOWNERS = ['@glmnet']
 
 coolix_ns = cg.esphome_ns.namespace('coolix')
 CoolixClimate = coolix_ns.class_('CoolixClimate', climate_ir.ClimateIR)
diff --git a/esphome/components/dfplayer/__init__.py b/esphome/components/dfplayer/__init__.py
index 890c2bede4..680a6b89ec 100644
--- a/esphome/components/dfplayer/__init__.py
+++ b/esphome/components/dfplayer/__init__.py
@@ -5,6 +5,7 @@ from esphome.const import CONF_ID, CONF_TRIGGER_ID, CONF_FILE, CONF_DEVICE
 from esphome.components import uart
 
 DEPENDENCIES = ['uart']
+CODEOWNERS = ['@glmnet']
 
 dfplayer_ns = cg.esphome_ns.namespace('dfplayer')
 DFPlayer = dfplayer_ns.class_('DFPlayer', cg.Component)
diff --git a/esphome/components/rtttl/__init__.py b/esphome/components/rtttl/__init__.py
index df227ab20f..a276f7cb86 100644
--- a/esphome/components/rtttl/__init__.py
+++ b/esphome/components/rtttl/__init__.py
@@ -4,6 +4,7 @@ from esphome import automation
 from esphome.components.output import FloatOutput
 from esphome.const import CONF_ID, CONF_OUTPUT, CONF_TRIGGER_ID
 
+CODEOWNERS = ['@glmnet']
 CONF_RTTTL = 'rtttl'
 CONF_ON_FINISHED_PLAYBACK = 'on_finished_playback'
 
diff --git a/esphome/components/sim800l/__init__.py b/esphome/components/sim800l/__init__.py
index c64112570a..762e045598 100644
--- a/esphome/components/sim800l/__init__.py
+++ b/esphome/components/sim800l/__init__.py
@@ -5,6 +5,8 @@ from esphome.const import CONF_ID, CONF_TRIGGER_ID
 from esphome.components import uart
 
 DEPENDENCIES = ['uart']
+CODEOWNERS = ['@glmnet']
+MULTI_CONF = True
 
 sim800l_ns = cg.esphome_ns.namespace('sim800l')
 Sim800LComponent = sim800l_ns.class_('Sim800LComponent', cg.Component)
@@ -16,8 +18,6 @@ Sim800LReceivedMessageTrigger = sim800l_ns.class_('Sim800LReceivedMessageTrigger
 # Actions
 Sim800LSendSmsAction = sim800l_ns.class_('Sim800LSendSmsAction', automation.Action)
 
-MULTI_CONF = True
-
 CONF_ON_SMS_RECEIVED = 'on_sms_received'
 CONF_RECIPIENT = 'recipient'
 CONF_MESSAGE = 'message'
diff --git a/esphome/components/tcl112/climate.py b/esphome/components/tcl112/climate.py
index 3c94f4a243..11ebdc7be8 100644
--- a/esphome/components/tcl112/climate.py
+++ b/esphome/components/tcl112/climate.py
@@ -4,6 +4,7 @@ from esphome.components import climate_ir
 from esphome.const import CONF_ID
 
 AUTO_LOAD = ['climate_ir']
+CODEOWNERS = ['@glmnet']
 
 tcl112_ns = cg.esphome_ns.namespace('tcl112')
 Tcl112Climate = tcl112_ns.class_('Tcl112Climate', climate_ir.ClimateIR)
diff --git a/esphome/components/tm1637/display.py b/esphome/components/tm1637/display.py
index dcc4b82719..c2692e30de 100644
--- a/esphome/components/tm1637/display.py
+++ b/esphome/components/tm1637/display.py
@@ -4,6 +4,8 @@ from esphome import pins
 from esphome.components import display
 from esphome.const import CONF_CLK_PIN, CONF_DIO_PIN, CONF_ID, CONF_LAMBDA, CONF_INTENSITY
 
+CODEOWNERS = ['@glmnet']
+
 tm1637_ns = cg.esphome_ns.namespace('tm1637')
 TM1637Display = tm1637_ns.class_('TM1637Display', cg.PollingComponent)
 TM1637DisplayRef = TM1637Display.operator('ref')
diff --git a/esphome/components/whirlpool/climate.py b/esphome/components/whirlpool/climate.py
index 1083b86618..1fd62b411a 100644
--- a/esphome/components/whirlpool/climate.py
+++ b/esphome/components/whirlpool/climate.py
@@ -4,6 +4,7 @@ from esphome.components import climate_ir
 from esphome.const import CONF_ID, CONF_MODEL
 
 AUTO_LOAD = ['climate_ir']
+CODEOWNERS = ['@glmnet']
 
 whirlpool_ns = cg.esphome_ns.namespace('whirlpool')
 WhirlpoolClimate = whirlpool_ns.class_('WhirlpoolClimate', climate_ir.ClimateIR)