Yes Pergo over radiant heat is fine so long as the following recommendations are met:

Pergo flooring can be used in combination with many types of in-floor heating. The heating system can be cast in a concrete floor or in a thin layer of filler on the surface of a concrete subfloor. It can also be installed under a wood sub floor or installed on the surface of the subfloor as an electrical matting.

1. Concrete subfloors must be installed and cured with no heat transfer for a minimum of 60 days.

2. The heating system must be in operation for at least two weeks before installation. The system may be

turned off or set to a suitable installation temperature (65 to 72°F).

3. The flooring surface temperature, that is the surface of the subfloor or the heat radiating from electric heating mats, should not exceed 84°F (29°C).

4. Follow the instructions from the supplier of the floor

heating system.

taken from pergos instalaltion and care and maintenance manuals/

http://flooringworld.org/floorsearch.php?query=pergo+installation+instructions

http://flooringworld.org/floorsearch.php?query=pergo+care+and+maintenance+instructions

http://flooringworld.org/floorsearch.php?query=laminate+over+radiant+heating

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