Lasted edited by Andrew Munsey, updated on June 15, 2016 at 1:43 am.
This phenomenon is observed by many authors. It is most clearly described in . They write the following:
"The abnormal fall of the temperature in direct affinity from the converter was also found. While the common temperature background in laboratory was + 22C the fall of temperature equal to 6-8C was noticed. The same phenomenon was observed in vertical magnetic walls as well as. The measurements of temperature inside the magnetic walls were carried out by the ordinary alcohol thermometer with inertia of indication about 1,5 min. In the Magnetic walls the temperature changes can be distinctly observed even by hand. The hand when placed into this magnetic wall feels real cold at once. The similar picture was observed at the height above installation, i.e. on the second floor of the laboratory as well as despite the ferro-concrete blocking of ceiling."
The theoretical explanation of this phenomenon is given in [2,3,4]. It is proved that this phenomenon is associated with the Energy-dependent Electromagnetic Wave, which is identified with Magnetic walls. This is also found in the  experimentally.
A brief explanation is as follows. In an energy-dependent electromagnetic wave the magnetic polarization of the air dipoles is observed, which consists in dipoles polarization by Lorentz forces in the direction perpendicular to the vector of heat speed with which they are moving in the area of this wave. Such polarization limits significantly the degrees of freedom of the air molecules, and this leads to decrease of internal air energy.
The decrease in internal energy of air equivalent to a decrease in temperature. The value of temperature reduction depends ~ \bigtriangleup T on the induction of the wave ~ B as
: ~ \bigtriangleup T=-2300B^2.
In the experiments  the wave has been observed, and the induction around the wave was ~ B=0.05[T]. Substituting it into formula, we may find the decrease in temperature ~ \bigtriangleup T \approx 7^ \circ , which corresponds the measurements in these experiments.
:1. V.V. Roschin, S.M. Godin. Experimental Research of the Magnetic-Gravity Effects. Institute for High Temperatures, Russian Academy of Science, Moscow, Russia, http://www.searlsolution.com/documents/russianseg.pdf.
:2. Khmelnik S.I., Khmelnik M.I. The existence conditions of longitudinal energy-dependent electromagnetic wave. "Papers of Independent Authors", publ. «DNA», printed in USA, Lulu Inc., ID 7157429, Israel-Russia, 2009, iss. 12, ISBN 978-0-557-07401-3, (in Russian), http://dna.izdatelstwo.com/volum/7157429.pdf
:3. Khmelnik S.I., Khmelnik M.I. More about the conditions of existence of longitudinal energy- dependent electromagnetic wave. "Papers of Independent Authors", publ. «DNA», printed in USA, Lulu Inc., ID 7803286, Israel-Russia, 2009, iss. 13, ISBN 978-0-557-18185-8 (in Russian), http://dna.izdatelstwo.com/volum/7803286.pdf
:4. Khmelnik S.I. Energy processes in free-full electromagnetic generators. Publisher by “MiC”, printed in USA, Lulu Inc., ID 10292524, Israel, 2011, second edition, ISBN 978-1-257-08919-2, USA, Lulu Inc., ID 10292524
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