| JeepHeater Dual Zone vs. Single Zone |
We receive a lot of emails asking about which one to choose, and what the differences are between our Jeep Heater
Grand Cherokee repair kits. We hope this helps! Start by looking at your AC control panel.
Round 1 - Dual Zone
If your HVAC controls look like this, you have a dual zone climate control system. Jeep called this the AZC climate
control system. The benefit of this type of setup is that both the driver and passenger can keep their portion of the
cabin at different temperatures levels.
You have two little doors inside the HVAC box that regulate temperatures. One is for the drivers side, the other is for
the passenger side. Each door has it's own drive motor, and each motor is controlled by one of the two temperature
knobs on your A/C panel.
For those with this setup, you can use either one of our kits! If you use our Dual Zone JeepHeater, you will
retain dual zone control, just like the factory system. Both knobs will still work.
If you choose our Single Zone JeepHeater, you will lose dual zone control. Once our Single Zone kit is installed, the
drivers side knob will adjust full cabin temperature. The passenger side knob will no longer control anything. This
repair is, dollar for dollar, the overall best value.
Some reasons why a Single Zone JeepHeater maybe used in place of a Dual Zone JeepHeater:
- Total Cost (It's cheaper to buy the Single Zone Kit over the Dual Zone)
- Rear drive actuator is damaged or non functioning
- Rear drive connector is broken or damaged
Round 2 - Single Zone
If your HVAC controls look like this, then you have a single zone climate control system. Jeep called this the MTC
temperature control system. Most Grand Cherokee Laredo models had this as the only OEM option. One temperature
knob means one cabin temperature. You can only use our Single Zone JeepHeater for this version.
- If you have a single zone system, you can not use the dual zone kit.
Grand Cherokee repair kits. We hope this helps! Start by looking at your AC control panel.
Round 1 - Dual Zone
If your HVAC controls look like this, you have a dual zone climate control system. Jeep called this the AZC climate
control system. The benefit of this type of setup is that both the driver and passenger can keep their portion of the
cabin at different temperatures levels.
You have two little doors inside the HVAC box that regulate temperatures. One is for the drivers side, the other is for
the passenger side. Each door has it's own drive motor, and each motor is controlled by one of the two temperature
knobs on your A/C panel.
For those with this setup, you can use either one of our kits! If you use our Dual Zone JeepHeater, you will
retain dual zone control, just like the factory system. Both knobs will still work.
If you choose our Single Zone JeepHeater, you will lose dual zone control. Once our Single Zone kit is installed, the
drivers side knob will adjust full cabin temperature. The passenger side knob will no longer control anything. This
repair is, dollar for dollar, the overall best value.
Some reasons why a Single Zone JeepHeater maybe used in place of a Dual Zone JeepHeater:
- Total Cost (It's cheaper to buy the Single Zone Kit over the Dual Zone)
- Rear drive actuator is damaged or non functioning
- Rear drive connector is broken or damaged
Round 2 - Single Zone
If your HVAC controls look like this, then you have a single zone climate control system. Jeep called this the MTC
temperature control system. Most Grand Cherokee Laredo models had this as the only OEM option. One temperature
knob means one cabin temperature. You can only use our Single Zone JeepHeater for this version.
- If you have a single zone system, you can not use the dual zone kit.
Our single zone JeepHeater can be installed in a dual zone
setup using the front facing drive motor to move both blend
doors up and down together.
The rear drive motors pin is used as a pivot point for the solid
axle JeepHeater. In the picture below you can see how both
doors are now always in alignment with one another and no
longer operate independently.
setup using the front facing drive motor to move both blend
doors up and down together.
The rear drive motors pin is used as a pivot point for the solid
axle JeepHeater. In the picture below you can see how both
doors are now always in alignment with one another and no
longer operate independently.
| The results for tonights heavy weight championship are in: DRAW Although both product have their differences, only you can decide who the winner is. |
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