Texas Attorney General Opinion: V-1318 Page: 2 of 3
This text is part of the collection entitled: Texas Attorney General Opinions and was provided to The Portal to Texas History by the UNT Libraries Government Documents Department.
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Hon. Robert S. Calvert, Page 2 (V-1318)
but the agency for moving the air is built into com-
bination with other devices such as pads, screens, or
filters, and a moistening apparatus, which cool the air
introduced into the unit. Thus the evaporative cooler
not only moves the air but affects air temperature as
well. In other words, a fan cools by air motion, an
evaporative cooler by air conditioning.
In discussing the technical aspects of cool-
ing air by drawing it through a fine water spray or a
water soaked mat, an official of an air conditioning
company has said: "This process is termed adiabatic
saturation which means saturation without the addition
of heat. Cooling in this manner . . . is called evap-
orative cooling. 1 Encyclopedia Americana (19460Td.)
2 7- SIee also 1 Encyclopedia Britannica (1945 Ed.)
444. The evaporative cooler is but one of several ar-
tificial means of reducing the temperature of air. Be-
fore the development of refrigeration type equipment,
this process, in one form or another, constituted the
exclusive method of cooling air. Although usually less
efficient and less expensive than refrigeration type
equipment, devices which cool the air by means of this
process are regarded as a type or kind of air condi-
tioner by experts in the field. Therefore, we are of
the opinion that an evaporative cooling unit is an "air
conditioning unit" within the provisions of House Con-
current Resolution 38.
House Concurrent Resolution 38 was in effect
at the time the Texas Employment Commission ordered these
evaporative coolers. Having concluded that an evapora-
tive cooling unit is an "air conditioning unit" subject
to the restrictions of the resolution, we must hold that
your department is not authorized to issue a warrant to
cover the purchases listed on the voucher submitted by
the Texas Employment Commission.
SUMMARY
An evaporative cooling unit is an "air
conditioning unit" within the provisions of
House Concurrent Resolution 38, Acts 52nd
Legislature, 1951, and the Comptroller of
Public Accounts is not authorized to issue
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Texas. Attorney-General's Office. Texas Attorney General Opinion: V-1318, text, October 16, 1951; (https://texashistory.unt.edu/ark:/67531/metapth266136/m1/2/?q=%221951~%22: accessed August 15, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.