New-York tribune. [volume] (New York [N.Y.]) 1866-1924, 1897-07-18
Ur1TTVG AND TENTIL4TING.

Perhaps no other problem among the many that
present themselves to the are thougHt as
the proper heating and ventisarioh u hours dav
OCCUPIED as t hey are Tor vs ark Stages Of
health and unhealth, cleanliness or me IeVe ~
sutcient or insufficient. clothing, the question: Is
The requirement of adequate supply OF ,resn.
warmed air for the assemoi Iiatad atm5sphere
pwhich ha wing been exhausted of Its oxygen ana
with or asd eeape must bn
PEELED 10 escape through those outlets ronSi
sions and to none is this science under greater
load OF obligation than to Evans Amman "
4hs cepany working on the then u% ro
pored field Of heating systems sbn In sS EXPERT in
vesgators have pursued the practca ptapnd Tor
Of i kno SS in G this applied Science
The of the Evans AlmraIl nd system the o
es criminal aP conf Badng Of his cy and in many
Of the largest and best business buildings mere ana
as but Especially IS i. found in our public schools
and when the requirements 81 me reazed that no
exeeense SGHH be a ap Pile Board Of
ply that we have adopted Is thirty cubic teet per per
END per 4eo Tns up p 5s % Cubic
OF air per minute or over s en6iG move dee. his
hour The e pGwsf r of air is Considerable being
aceompished by huge steel plate blowers PLACED IN
: steam ns'h from 1psfha1fh utilized heating This
system. with notifications to suit individna CIR,
nnnber Of SCHOOL buildings where the
derived rs sTe at hs
rom ms the engines and overcoming Of the bugbear
OF back in the cylinders have oeen
R1sns Amra have slimOssSl back
pprreeSomicai Application OF the waste steam for
hea hiS is known as the Evans Exhaust Hot
,y.fnr system of forced circulation, wherein the
heat Of the exhaust steam Is apsorpea py Gtcr
iating water and by 1t conveyed 10 the 'a''"'o''
and b eH,f itinerary of cubic foot Of fresh cold air
rnotr,technicai terms may be of interest 10 The
We will n the n'
hood Of one OF the freshar inlets. wherein Is work.
ing at tee shIs sPsra caSeSt By the fam the
is hurled into the heating chamber brick room m
ali the heat being the exhaust or waste steam from
The engines that work the fans. From these heat
Ing G;o lea be %a. aud at the
various rooms of the buildings In openings, not at
s Ssn c0r where Dgt t the warm air delivered There
openings Of SIZE IN .ne OF
hau discharge stack Afan huge br rars
and outward. thus creating at the mouth OF each
GARD hue a strong in-draught. which carries
While I'll the fresh supply Is coming from the iues
near the ceiling. ali this n strict accordance with
Of respiring human beings, are heavier than air
and hence sink to the floor. -
building is ventilated. and the air kept always pui c
and fresh But entire dependence not placed upon
,his air Tor heating purposes In all the halls and
rooms are placed coils and radiators, which serve
To keen the temperature at the proper point.
Through these heating surfaces is circulated the
hot water which can be varied In temperature ac-
cordng 10 the weather outside. and may be. either
al a very high or moderate temperature. so auto
motically regulated that room Is ever over
| heated with this clever method OF heating. al,
| laying the engineer 10 regulate the entire school
! from his position in the basement. a wonderful
reduction Is made In the consumption OF coal, and
the economy resulting from such a method OF heat
ing has been found by test to be 30 per cent;
| thai is in the course OF one winter there is 80
J much less coal used with such method OF heating
| than where direct steam heat Is used.
or course. there are many minor details In 4
perfected system OF heat and ventilation which
| cannot he even touched upon In the narrow limits
Of an article like this. Perhaps no better summing
| up OF the high aims OF modern school architects
| could be made than the remark OF one 10 the
| writer: 1--WE seek TO create not mere warmth. but
| a climate" ,,, -, -.
| The wonderful need OF success which has at
tended the efforts OF Evans. Almlrall Co IN this
direction Il not the result OF fortunate chance,
| but the development OF a perfect system based
| upon the laws OF nature and adapted TO the seem
| ngIy unattainabie demands OF man Three to
| four thousand children. housed for six hours DAY