家用暖氣片選購前的三項注意：

1、對(dui)于分戶(hu)供(gong)暖系(xi)統(tong)，現在可(ke)以更換(huan)暖氣片(pian)。而對(dui)于集中供(gong)暖系(xi)統(tong)，則(ze)不宜隨意更換(huan)。盲目追求美(mei)觀，很可(ke)能會對(dui)自家及左鄰右舍的供(gong)暖，甚至(zhi)人身安全造成影響。如果一定要更換(huan)，必(bi)須由正規(gui)專業的人員操作。

2、在裝修前(qian)和(he)供暖前(qian)更(geng)(geng)換暖氣(qi)(qi)片：更(geng)(geng)換暖氣(qi)(qi)片好在非供暖期。

目前北京多數小區(qu)仍采用集中供(gong)(gong)(gong)暖(nuan)，因(yin)此，一旦進入供(gong)(gong)(gong)暖(nuan)期，更換暖(nuan)氣片勢必影響其他用戶的供(gong)(gong)(gong)暖(nuan)。而且這樣做也(ye)存在一定不(bu)安(an)全因(yin)素(su)。供(gong)(gong)(gong)暖(nuan)期間，暖(nuan)氣管道(dao)中存在壓力，若處理不(bu)當，已造(zao)成危險(xian)。

3、更(geng)換暖氣(qi)片(pian)，應在裝修(xiu)前或剛剛開始裝修(xiu)時

因為(wei)暖氣(qi)片都是定制產品，根(gen)據品牌不(bu)同，訂(ding)貨周期在15天至(zhi)30天。而(er)且(qie)，在墻面(mian)裝修(xiu)前應將暖氣(qi)拆下來(lai)，并根(gen)據新暖氣(qi)尺寸(cun)定好(hao)相應位(wei)置。

選購家用暖氣片時需要注意的幾點：

1、了解小區供暖系統

有(you)(you)些地區供(gong)(gong)(gong)(gong)(gong)熱(re)(re)系(xi)統水質(zhi)不太好，城市集(ji)中(zhong)供(gong)(gong)(gong)(gong)(gong)熱(re)(re)的方式也五花(hua)八門，有(you)(you)集(ji)中(zhong)供(gong)(gong)(gong)(gong)(gong)熱(re)(re)站，有(you)(you)家庭熱(re)(re)水中(zhong)心，有(you)(you)電廠等余熱(re)(re)供(gong)(gong)(gong)(gong)(gong)熱(re)(re)，有(you)(you)開(kai)放(fang)式無(wu)壓鍋爐供(gong)(gong)(gong)(gong)(gong)熱(re)(re)，使得城市供(gong)(gong)(gong)(gong)(gong)熱(re)(re)熱(re)(re)水水質(zhi)差別很大，有(you)(you)的含氧(yang)量(liang)高，有(you)(you)的水質(zhi)偏酸性，有(you)(you)的水質(zhi)偏堿(jian)性。所以在購買暖氣片(pian)之前，要向供(gong)(gong)(gong)(gong)(gong)熱(re)(re)單(dan)位(wei)或小區物管單(dan)位(wei)了解本小區的供(gong)(gong)(gong)(gong)(gong)熱(re)(re)系(xi)統是什(shen)么(me)形式，根據其水質(zhi)特點決(jue)定購買什(shen)么(me)材質(zhi)的暖氣片(pian)。

一般來說，鋼制暖(nuan)氣片(pian)，不能在(zai)開放式無(wu)壓鍋爐(lu)或蒸汽(qi)供(gong)熱系統中使(shi)用；鋁合金暖(nuan)氣片(pian)，不能在(zai)水(shui)質(zhi)PH值過大的(de)供(gong)熱系統或蒸汽(qi)供(gong)熱系統中使(shi)用；銅(tong)管(guan)鋁翼(yi)片(pian)(銅(tong)鋁復合)暖(nuan)氣片(pian)對水(shui)質(zhi)無(wu)特(te)殊(shu)要求，但(dan)安裝使(shi)用時要注意避免使(shi)銅(tong)管(guan)與翼(yi)柱銅(tong)管(guan)的(de)接口受到過大的(de)扭力(li)。

其次，記錄原有暖(nuan)氣(qi)片的(de)大小，盡量根據(ju)原暖(nuan)氣(qi)片的(de)散熱量選(xuan)擇暖(nuan)氣(qi)片大小；若無法(fa)獲得原散熱量，則需(xu)根據(ju)自(zi)家房屋(wu)大小、朝向、樓層(ceng)及窗(chuang)戶大小等因(yin)素(su)估算。

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2、分清材質特性，按水質選用不同材質

新型家用(yong)暖(nuan)(nuan)(nuan)(nuan)氣(qi)(qi)(qi)(qi)(qi)(qi)片(pian)(pian)(pian)(pian)(pian)(pian)，按(an)材料的(de)不同分(fen)為(wei)鋼(gang)制(zhi)暖(nuan)(nuan)(nuan)(nuan)氣(qi)(qi)(qi)(qi)(qi)(qi)片(pian)(pian)(pian)(pian)(pian)(pian)、鋁(lv)合金暖(nuan)(nuan)(nuan)(nuan)氣(qi)(qi)(qi)(qi)(qi)(qi)片(pian)(pian)(pian)(pian)(pian)(pian)、銅制(zhi)暖(nuan)(nuan)(nuan)(nuan)氣(qi)(qi)(qi)(qi)(qi)(qi)片(pian)(pian)(pian)(pian)(pian)(pian)、銅鋁(lv)復(fu)(fu)合暖(nuan)(nuan)(nuan)(nuan)氣(qi)(qi)(qi)(qi)(qi)(qi)片(pian)(pian)(pian)(pian)(pian)(pian)、鋼(gang)鋁(lv)復(fu)(fu)合暖(nuan)(nuan)(nuan)(nuan)氣(qi)(qi)(qi)(qi)(qi)(qi)片(pian)(pian)(pian)(pian)(pian)(pian)、不銹鋼(gang)暖(nuan)(nuan)(nuan)(nuan)氣(qi)(qi)(qi)(qi)(qi)(qi)片(pian)(pian)(pian)(pian)(pian)(pian)等(deng)；按(an)產品外形特點(dian)又分(fen)為(wei)柱(zhu)(zhu)式暖(nuan)(nuan)(nuan)(nuan)氣(qi)(qi)(qi)(qi)(qi)(qi)片(pian)(pian)(pian)(pian)(pian)(pian)(二柱(zhu)(zhu)、三(san)柱(zhu)(zhu)、四柱(zhu)(zhu))、排(pai)管式暖(nuan)(nuan)(nuan)(nuan)氣(qi)(qi)(qi)(qi)(qi)(qi)片(pian)(pian)(pian)(pian)(pian)(pian)(單排(pai)管、雙(shuang)排(pai)管)、翼(yi)(yi)片(pian)(pian)(pian)(pian)(pian)(pian)式暖(nuan)(nuan)(nuan)(nuan)氣(qi)(qi)(qi)(qi)(qi)(qi)片(pian)(pian)(pian)(pian)(pian)(pian)(雙(shuang)面翼(yi)(yi)片(pian)(pian)(pian)(pian)(pian)(pian)、單面翼(yi)(yi)片(pian)(pian)(pian)(pian)(pian)(pian))、翅(chi)片(pian)(pian)(pian)(pian)(pian)(pian)式暖(nuan)(nuan)(nuan)(nuan)氣(qi)(qi)(qi)(qi)(qi)(qi)片(pian)(pian)(pian)(pian)(pian)(pian)(環形翅(chi)片(pian)(pian)(pian)(pian)(pian)(pian)、方形翅(chi)片(pian)(pian)(pian)(pian)(pian)(pian))，按(an)散(san)熱方式分(fen)為(wei)輻射(she)暖(nuan)(nuan)(nuan)(nuan)氣(qi)(qi)(qi)(qi)(qi)(qi)片(pian)(pian)(pian)(pian)(pian)(pian)、對(dui)流式暖(nuan)(nuan)(nuan)(nuan)氣(qi)(qi)(qi)(qi)(qi)(qi)片(pian)(pian)(pian)(pian)(pian)(pian)等(deng)。常用(yong)的(de)新型家用(yong)暖(nuan)(nuan)(nuan)(nuan)氣(qi)(qi)(qi)(qi)(qi)(qi)片(pian)(pian)(pian)(pian)(pian)(pian)是鋼(gang)制(zhi)柱(zhu)(zhu)式暖(nuan)(nuan)(nuan)(nuan)氣(qi)(qi)(qi)(qi)(qi)(qi)片(pian)(pian)(pian)(pian)(pian)(pian)、鋼(gang)制(zhi)排(pai)管暖(nuan)(nuan)(nuan)(nuan)氣(qi)(qi)(qi)(qi)(qi)(qi)片(pian)(pian)(pian)(pian)(pian)(pian)、鋁(lv)合金柱(zhu)(zhu)翼(yi)(yi)型暖(nuan)(nuan)(nuan)(nuan)氣(qi)(qi)(qi)(qi)(qi)(qi)片(pian)(pian)(pian)(pian)(pian)(pian)、銅鋁(lv)復(fu)(fu)合柱(zhu)(zhu)翼(yi)(yi)型暖(nuan)(nuan)(nuan)(nuan)氣(qi)(qi)(qi)(qi)(qi)(qi)片(pian)(pian)(pian)(pian)(pian)(pian)。

由于材料(liao)自(zi)身的(de)特性(xing)(xing)(xing)，鋁合金(jin)(jin)耐(nai)酸(suan)、耐(nai)氧(yang)化，但易發生堿性(xing)(xing)(xing)腐(fu)蝕；鋼的(de)強度高，能(neng)耐(nai)一定的(de)堿性(xing)(xing)(xing)，但易發生氧(yang)化腐(fu)蝕；銅的(de)耐(nai)腐(fu)蝕等綜合性(xing)(xing)(xing)能(neng)較好，但水(shui)中硫化物過多或是雜銅也會腐(fu)蝕，且銅的(de)機(ji)械強度偏低。國家(jia)要求鋁合金(jin)(jin)暖氣片(pian)(pian)和壁厚在2。5mm以下的(de)鋼制暖氣片(pian)(pian)，必須(xu)(xu)進行內(nei)防腐(fu)處理(li)，涂布內(nei)防腐(fu)涂層(ceng)，且鋁合金(jin)(jin)暖氣片(pian)(pian)必須(xu)(xu)采用專用非金(jin)(jin)屬(shu)或雙金(jin)(jin)屬(shu)復(fu)合管件，不得使鋁制螺紋直(zhi)接(jie)與鋼管連接(jie)，防止電化學腐(fu)蝕。

專家建議，如果(guo)所居住的(de)(de)小區為分戶供(gong)(gong)暖，市場上的(de)(de)暖氣(qi)片(pian)(pian)(pian)基本都(dou)可選用。若為集中供(gong)(gong)暖，則需根據小區的(de)(de)水質(zhi)來做(zuo)選擇，比如，水質(zhi)含堿量高就不宜(yi)采用鋁(lv)質(zhi)暖氣(qi)片(pian)(pian)(pian)，宜(yi)選用鋼制暖氣(qi)片(pian)(pian)(pian)。而水中含氧量較大，就不宜(yi)選用鋼質(zhi)的(de)(de)，宜(yi)選用內層做(zuo)過(guo)防(fang)腐處理的(de)(de)鋼制暖氣(qi)片(pian)(pian)(pian)或(huo)者(zhe)是(shi)鋁(lv)質(zhi)暖氣(qi)片(pian)(pian)(pian)等。一般情(qing)況下銅鋁(lv)復(fu)合和(he)新型(xing)鑄鐵的(de)(de)對水質(zhi)要求不嚴。另外，各個房間(jian)所用暖氣(qi)片(pian)(pian)(pian)材質(zhi)好是(shi)相(xiang)同或(huo)相(xiang)近的(de)(de)，以(yi)避免(mian)由(you)于不同材質(zhi)之間(jian)產生(sheng)電化學反應而腐蝕(shi)。

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3、注意焊接質量

暖氣(qi)(qi)片(pian)的(de)(de)(de)(de)不同部分是用(yong)焊接(jie)(jie)連接(jie)(jie)，焊接(jie)(jie)質量的(de)(de)(de)(de)好(hao)壞(huai)直接(jie)(jie)影響(xiang)暖氣(qi)(qi)片(pian)的(de)(de)(de)(de)質量和使用(yong)壽命(ming)。焊接(jie)(jie)工藝主(zhu)要有(you)填充物焊和本(ben)(ben)體(ti)焊，相對而言(yan)，本(ben)(ben)體(ti)焊的(de)(de)(de)(de)耐(nai)腐蝕(shi)性好(hao)，且(qie)有(you)一道均勻焊疤，不需打(da)磨(mo)；填充物焊的(de)(de)(de)(de)耐(nai)腐蝕(shi)性差，表(biao)面經打(da)磨(mo)光(guang)滑平(ping)整(zheng)。消(xiao)費者在購買時主(zhu)要看其焊接(jie)(jie)是否(fou)牢(lao)固、外觀焊縫(feng)是否(fou)均勻，有(you)沒有(you)凹凸不平(ping)的(de)(de)(de)(de)現(xian)象。但是，不可過(guo)于強(qiang)求焊縫(feng)的(de)(de)(de)(de)光(guang)滑平(ping)整(zheng)，因為過(guo)度的(de)(de)(de)(de)打(da)磨(mo)處理容易造(zao)成焊接(jie)(jie)部位的(de)(de)(de)(de)強(qiang)度降低(di)，導致跑漏(lou)水(shui)。

4、選用優質配件

暖氣(qi)片(pian)零配件質量問題(ti)及安裝材料質量問題(ti)是(shi)導致暖氣(qi)漏水(shui)的主(zhu)要原因之一，應該到正規(gui)市(shi)場選用國家優(you)質水(shui)暖配件。

鋁塑(su)復合(he)管一(yi)般是(shi)暖氣片所用(yong)到的(de)(de)管材，鋁塑(su)復合(he)管的(de)(de)鋁層(ceng)接(jie)頭有搭接(jie)和對(dui)(dui)接(jie)兩種，搭接(jie)的(de)(de)一(yi)般優于對(dui)(dui)接(jie)的(de)(de)，因為對(dui)(dui)接(jie)鋁層(ceng)耐壓性能差，是(shi)搭接(jie)還是(shi)和對(dui)(dui)接(jie)可從鋁塑(su)復合(he)管的(de)(de)截面處觀察。

5、估算采暖需求

通常住宅內應安裝多少瓦的暖氣片的計算比(bi)較(jiao)復雜，但(dan)可按(an)45～70瓦/平方(fang)米(mi)估算。

在(zai)估算時，還應(ying)考(kao)慮樓房或平房、頂層(ceng)或底層(ceng)、端(duan)頭或中(zhong)間、北方(fang)或南方(fang)、城里(li)或城外、墻體保溫性等(deng)因素。在(zai)計算出散(san)熱量的大小后(hou)，再(zai)適當多加(jia)10%～20%的富余量。除此之外，消費者須提供(gong)(gong)所用供(gong)(gong)暖系統接口(kou)的口(kou)徑、進出水(shui)方(fang)式等(deng)基本(ben)數(shu)據(ju)。

6、認準知名品牌

消費(fei)者選購暖(nuan)氣片一定要認(ren)準品(pin)牌，選擇正規品(pin)牌的暖(nuan)氣片。據統計(ji)，截至目前，家(jia)用暖(nuan)氣片生(sheng)(sheng)產企(qi)業已有(you)2000多(duo)家(jia)，總產量(liang)發展到約10億(yi)片，總產值(zhi)達到近(jin)200億(yi)元。然而，這些企(qi)業中具備(bei)生(sheng)(sheng)產規模，實(shi)力(li)較強(qiang)的知名品(pin)牌生(sheng)(sheng)產企(qi)業不(bu)過10多(duo)余家(jia)，具有(you)中等規模的生(sheng)(sheng)產企(qi)業也只有(you)幾(ji)十家(jia)。

良莠不齊的(de)市場直接造(zao)成(cheng)了行業和市場的(de)無序(xu)：產品、零(ling)配件不合(he)格，安(an)裝不規范，材質與系統(tong)不配套(tao)等問題(ti)不斷出(chu)現。所(suo)以，消費者好(hao)到正(zheng)規市場選擇知名品牌的(de)暖氣片，除有質量保證(zheng)外，還(huan)有完善的(de)安(an)裝和售(shou)后(hou)保障體(ti)系。

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