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G <br /> ..__. . .-. � li��/ L:�:a��7 � � , ':'i 'rr,�:i <br /> �'q y3 �� 7 .;: fl (`illin�n�. . � rnll�f(, W�1'�Illr�l'll�ll Jit:'(ll <br /> Li,"'_��1�t � ' �n,Tl:..�.�.'9 IILu6n�� 4�LIi�,�.�: 1' �� U��. I I!1/, I vclir'i� W35hilU?lO/l �!f"l_OL <br /> — ------. _�..,_.__-.� <br /> � <br /> r '' <br /> a, � � <br /> � i � i�� ��,� � , , i�i71 <br /> __... I I r , , <br /> I'�r. Bill Bourland <br /> 5613 3�"d Avenuu West <br /> EvcreCt, Washington 9A2C� <br /> Uear Ilr. 0ourland: <br /> At[ached are the calculated heating requirements �•�hich you reques[ed, [ogetter <br /> ���ith our estimate of probable opera[ing costs. The figures are based on 10' <br /> outdoor and 70° indoor design terpera[ures and a 5,500 degree day year, ��ihlch <br /> is average for this area. <br /> It should 6e recoanized tha[ this cost estimate is a customer servlce and no[ a <br /> qua•anteed or warranted fiy�re. However, our pas[ experience, based upon meter <br /> re:ords, has sh�wn actual costs are gr.nerally very close to the calculated cos[s, <br /> depending on the I'iving habits of [he cccupants. <br /> If the installation o( electric baseboard heat is �esired, we recommend the <br /> insta� lation of lo��,-density units with r�atta9es not exceedir,g 250 per liceal <br /> =oot ir accordance •.aith Che N�tional Electrical Manufacturers �ssocia[ion <br /> 5[anda��ds. F��r the best operation, basebcard uni[s should be installed wi .h <br /> hacking insul�[ion to insure an airtiGh[ fi [ with the o�all . <br /> �� f an electric furnace is ?esired, the District recommends the installation oP <br /> c balanced warm air supply system with dampers and a return air system which <br /> ���ill return as close to 100`.. of all [he furnace fan LFM output as possible. The <br /> Cist�ict further recommends all duc[ work ins[alled in non-heated spaces be <br /> edequately insula[ed. This a+ould includr. viarm air sup?ly duUs and return ai� <br /> cuc[s in craa:l spaces or attics and warm and cold air plenums on [he fun�ace <br /> installed in an unhea[ed garage or other unhca[ed area. <br /> We hope this information will 6c helpful lo you; however, if �ce r�v3y be of <br /> f�rther ass�stance, please call us. <br /> Since�ciy, <br /> � DeVrr-c Conncll <br /> � Custom:•r Enqincer <br /> Atte.chmr_nt <br /> � . <br /> ' . <br />