You will still need to add a foam underlayment beneath the laminate.
Can you put carpet over laminate.
I am not sure how significant the heat loss will be but keep in mind you are added more layers in which the heat needs to penetrate.
Remember that laminate flooring like swiss krono usa s laminate wood flooring is a floating floor it will expand and contract as temperature and other conditions change.
It might seem like a good idea to install laminate over the carpet but this could lead to serious issues in the future.
As long as it is flat and in good condition your laminate will install well on top.
Think of carpet you would see in most hotel rooms bus and airplane aisle ways and other commercial spaces.
Adhering carpet to laminate flooring.
If you are working with sturdy low pile carpeting you can install laminate on top of it.
In most circumstances it can be installed over wood concrete tile vinyl sheet and even carpeting as long as it is less than one quarter inch thick is set on.
No underlayment is needed in this type of installation.
If you decide to install carpet over laminate flooring make sure to use a quality gripper to prevent the carpet from shifting or moving over the laminate flooring as this can cause unfortunate wrinkles and rips in the carpet.
As don said you will be 1 4 1 2 typically higher with the carpet at transitions.
Following a proper installation method gives you an impact resistant and fade resistant flooring that is sure to last for a significant time.
If you re flooring is glued down and in good condition no peeling corners level you can install your laminate over.
According to the laminate flooring manufacturer armstrong you can install your laminate flooring over any area that has a flat sub floor is structurally sound dry and clean.
At a transition from the laminate underlain flooring to other laminate or hardwood that is not different than a carpet to linoleum or vinyl or concrete transition.
The answer to whether it is possible to install carpet over laminate then that answer is yes.