Windo dɛn de ple big pat pan yu os in ɛnaji pefɔmɛns pas aw bɔku pipul dɛn no. Bɔku tɛm dɛn kin bi di wikest link na di bildin in tɛmal ɛnvilɔp, di barɛri we yu nɔ de si bitwin yu kɔmfyut indo spɛs ɛn di ɛlimɛnt dɛn we de na do.
Pan ɔl we wi kin notis draft ɔ kɔndenseshɔn we sɔntin nɔ go fayn, wan kwayɛt tin de we de wok biɛn di sinis we de disayd jɔs aw yu winda dɛn de manej ɔt fayn fayn wan: di U-valyu. Dis wan nɔmba de afɛkt yu kɔmfɔt, yu ɛnaji bil ɛvri mɔnt, ɛn ivin di sastaynabiliti fɔ yu bildin as tɛm de go.
Ilɛksɛf yu de rɛnova, bil frɔm skrach, ɔ jɔs de shop fɔ riplesmɛnt winda, fɔ ɔndastand U-valyu kin ɛp yu fɔ mek smat disizhɔn dɛn we go pe fɔ yu fɔ lɔng lɔng tɛm.
Wetin Na U-Value?
Na in men tin, wan U-valyu de mɛzhɔ aw i izi fɔ mek ɔt pas tru wan matirial ɔ asɛmbli—insay dis kes, na winda. Dɛn kin sho am as nɔmba, we kin de frɔm arawnd 0.2 to 1.5 ɔ pas dat fɔ winda dɛn.
Di simpul lɔ: Di mɔ di U-valyu smɔl, na di mɔ di winda go bɛtɛ fɔ kip di ɔt usay i fɔ de. Winda we gɛt U-valyu we na 0.8 de alaw fɔ transfa smɔl ɔt pas wan we dɛn rayt 1.4.
Tink bɔt dis lɛk dis: tɛmos we gɛt tik insuleshɔn kin mek yu kɔfi wam fɔ lɔng tɛm bikɔs di wam kin kɔmɔt smɔl smɔl. Wan tin we tan lɛk plastic kɔp? Yu drink kin kol kwik kwik wan. Windo dɛn de wok di sem we—U-valyu we smɔl min se di ɔt de muv sloslo, ilɛksɛf yu de tray fɔ kip wam insay insay di kol sizin ɔ na do insay di sɔmma.
I fayn fɔ no se U-valyu nɔto jɔs bɔt di glas. Di wan ol winda yunit—frɛm, glaz, spɛshal, ɛn sil—de ɛp fɔ mek di wan ol raytin. Na dat mek tu winda dɛn we gɛt di sem glas kin gɛt rili difrɛn U-valyu dɛn dipen pan aw dɛn bil dɛn.
Lɔwa vs Ay U-Valu dɛn
We yu kɔmpia winda dɛn, yu go notis se sɔm gɛt U-valyu we smɔl ɛn sɔm gɛt ay wan. U-valyu we smɔl min se di winda bɛtɛ fɔ stɔp di ɔt fɔ muf tru. Dis kin ɛp yu fɔ mek yu os fayn ɛn i kin mek yu nɔ spɛn bɔku mɔni fɔ pe fɔ ɛnaji. Windo dɛn we gɛt smɔl U-valyu kin wok fayn na ɔl tu di ples dɛn we kol ɛn wam. Dɛn kin mek di ɔt nɔ lɔs insay di winta ɛn dɛn kin blok di ɔt we i de gɛt insay di sɔmma. If yu pik winda dɛn we gɛt ay U-valyu, mɔ ɔt go pas, we kin mek yu rum dɛn fil lɛk se dɛn de blo ɔ dɛn tu wam.
Na dis na wan simpul tebul fɔ ɛp yu fɔ ɔndastand di difrɛns:
U-Valyu Rɛnj | Insuleshɔn Pɔfɔmɛnshɔn | Ɛgzampul Windo Tayp |
0.20 - 0.40 | Eksɛlɛnt insuleshɔn | Winda dɛn we gɛt triplɛ glas |
0.40 - 0.60. Di wan dɛn we de wok | Gud insuleshɔn | Winda dɛn we gɛt tu glas |
0.60 - 1.20. Di wan dɛn we de wok | Besik insuleshɔn | Winda dɛn we gɛt wan pan |
U-valyu we smɔl min se di ɔt nɔ de rɔn, we impɔtant fɔ mek dɛn yuz ɛnaji fayn fayn wan. Yu go notis di bɛnifit dɛn we yu go gɛt na yu kɔmfɔt ɛn di mɔni we yu de pe fɔ ɛvri mɔnt.
Wetin Mek U-Values Impɔtant na Rial Layf (Nɔto Jɔs pan Spec Sheets)
Mɔ Kɔmfyut Indo Tɛmpratura
Yu dɔn ɛva sidɔm nia winda pan kol de ɛn fil wan difrɛn kol, ivin we di ɔt de shayn? Dat na radiant heat loss na wok. Winda dɛn we nɔ gɛt bɛtɛ U-valyu kin mek yu bɔdi wam go na di kol glas say, ɛn dis kin mek di ples we de nia dɛn nɔ kin fil fayn.
Bɛtɛ U-valyu dɛn de ridyus dis ifɛkt. Rum dɛn kin wam di sem we, kol wata kin stɔp, ɛn yu kin rili yuz da fayn say de fɔ rid nia di winda ɔlsay na di ia. Insay di sɔmma, di sem prinsipul kin apin—windo dɛn we gɛt strɔng tɛmal pefɔmɛns kin ɛp fɔ mek di say dɛn we de insay di os kol ɛn nɔ de wok pasmak pan yu ay kɔndishɔn.
Di Kɔst fɔ Ɔt ɛn Kul Lɔs
Enaji bil kin gɛda mɔnt afta mɔnt, ɛn bɔku tɛm na winda dɛn kin ripɔtabl fɔ 25-30% pan di rɛzidɛshɔnal ɔt ɛn kol ɛnaji we dɛn kin yuz. Windo we gɛt ay U-valyu de wok lɛk tɛmal siev, we de mek di kɔndishɔn ay fɔ kɔmɔt ɛn fos yu HVAC sistem fɔ wok tranga wan.
Fɔ ɔpgrɛd to winda dɛn we gɛt bɛtɛ U-valyu nɔto jɔs fɔ pe fɔ di tin dɛn we yu nid fɔ pe fɔ—na invɛstismɛnt we de ridyus di opareshɔn ɛkspɛns fɔ di layf we di bildin de liv. Insay bɔku klaymat, di ɛnaji we dɛn de sev kin ad to mɔni we gɛt minin insay jɔs sɔm ia.
Kɔnsistɛns Pɔfɔmɛnshɔn Aks di Ɔl Bildin
Insay big os ɔ kɔmɛshɔn bildin dɛn, wan winda we nɔ de wok fayn kin mek yu nɔ fil fayn na yu say ɛn i kin trowe di balans na yu ɔt ɛn kol sistem. If di living rum winda dɛn de wok fayn bɔt di bedrum winda dɛn nɔ de wok fayn, yu go notis se di tɛmpracha nɔ de ivin ɛn yu go ebul fɔ yuz bɔku ɛnaji.
If yu spɛsifa yunifom U-valyu akɔdin to ɔl di winda dɛn, i de ɛp fɔ mek di kɔndishɔn dɛn we de insay di os kɔntinyu fɔ de ɔlsay na di bildin—na sɔntin we impɔtant mɔ fɔ di akitɔk dɛn, divɛlɔpa dɛn, ɛn prɔpati manija dɛn we de ɔvasayz bɔku yunit dɛn ɔ big big prɔjek dɛn.
Instans We U-Values Matter Most
Kol ɛn Miks Klaymɛt
Yu kin fil di ifɛkt dɛm we U-valyu kin gɛt mɔ na kol ɛn miks klaymat. Insay dɛn say dɛn ya, winda dɛn we gɛt smɔl U-valyu kin ɛp fɔ mek di ples wam insay yu os. Dis min se yu kin wam pasmak insay di kol sizin ɛn yu nɔ kin yuz bɔku ɛnaji fɔ mek yu wam. Bɔku tɛm, bildin kɔd dɛn na say dɛn we kol kin nid fɔ gɛt winda dɛn we gɛt U-faktɔ we 0.30 ɔ smɔl pas dat. Yu kin si aw dɛn tin ya we dɛn nid kin chenj bay klaymat zon na di tebul we de dɔŋ ya:
Klaymɛt Zɔn | U-Factor Rikwaymɛnt fɔ di tin dɛn we dɛn nid |
0 | No rikwaymɛnt nɔ de |
1 | No rikwaymɛnt nɔ de |
2 | 0.40 ɔ smɔl pas dat |
3 | 0.30 ɔ smɔl pas dat |
4 | 0.30 ɔ smɔl pas dat |
5 | 0.30 ɔ smɔl pas dat |
6 | 0.30 ɔ smɔl pas dat |
7 | 0.30 ɔ smɔl pas dat |
8 | 0.30 ɔ smɔl pas dat |
If yu de na miks klaymat, yu kin bɛnifit bak frɔm winda dɛn we gɛt smɔl U-valyu. Dɛn winda dɛn ya kin ɛp fɔ balans di tɛmpracha insay os insay ɔl tu di sizin dɛn we di ples kin wam ɛn we kin kol.
Rijyɔn dɛn we Hot ɛn San
Na say dɛn we wam ɛn san, yu want fɔ kip kol briz insay ɛn blok di wam we di san de mek. Windo dɛn we gɛt smɔl U-valyu de gi bɛtɛ insuleshɔn, we de ɛp yu os fɔ kol. Dis kin mek yu nɔ nid fɔ gɛt ay kɔndishɔn ɛn i kin mek yu nɔ pe bɔku ɛnaji. Yu fɔ luk bak fɔ winda dɛn we gɛt smɔl Solar Heat Gain Coefficient (SHGC), we fayn fɔ ɔnda 0.25. Dis kɔmbayn de blok di ɔt we yu nɔ want ɛn mek yu ples fayn, ivin insay di de dɛn we di ples kin wam pasmak.
Tip we go ɛp yu: Fɔ pik winda dɛn we gɛt ɔl tu di lɔw U-valyu ɛn lɔw SHGC kin mek big difrɛns pan yu kɔmfɔt ɛn ɛnaji sevings.
Big Windo Ɛria dɛn
If yu os gɛt big winda ɔ glas wɔl, di U-valyu dɛn impɔtant mɔ. Big winda dɛn kin mek bɔku layt kam insay, bɔt dɛn kin mek bak mɔ ɔt kam insay ɛn kɔmɔt. Na dis na wetin yu nid fɔ no:
Big winda dɛn kin mek di ɔt chenj wit di wan dɛn we de na do.
Yu kin gɛt mɔ de layt, we kin mek di layt kɔst smɔl.
Yu kin si ay bil fɔ ɔt insay di winta ɛn ay bil fɔ kol insay di sɔmma.
Dizayn we yu tek tɛm ɛn di rayt we aw yu pik di winda de ɛp yu fɔ ɛnjɔy di we aw yu de si am ɛn nɔ west yu trɛnk.
We yu pe atɛnshɔn to U-valyu, yu de mek shɔ se yu big winda dɛn de ad biuti ɛn layt we nɔ de mek yu kɔst bɔku ɛnaji.
Aw U-Values De Wok Wit Ɔda Window Ficha dɛn
We yu de shop fɔ energy-efficient windows , yu go si sɔm nɔmba dɛn na di lɛbl. U-valyu impɔtant, bɔt nɔto di wan mɛtrik we yu fɔ no. Tu ɔda impɔtant wɔd dɛn na SHGC ɛn R-valyu. Ɛni wan pan dɛn de tɛl yu sɔntin we difrɛn bɔt aw winda de wok.
U-Valyu dɛn vs SHGC
U-valyu de mɛzhɔ aw fayn wan winda de mek di wam nɔ pas. SHGC, ɔ Solar Heat Gain Coefficient, de sho aw bɔku solar ɔt de kam insay tru di glas. Yu nid fɔ luk ɔl tu di nɔmba dɛn fɔ pik di bɛst winda fɔ yu klaymat.
Na dis na wan simpul tebul fɔ ɛp yu fɔ kɔmpia:
Mɛtrik | Tɔk bɔt | Impekt pan Ɛnaji Efyushɔn |
U-Valyu we dɛn kɔl | I de mɛzhɔ aw di winda de insaylayt ɛn mek di wam nɔ kɔmɔt fayn fayn wan. | Lɔwa U-valyu min bɛtɛ insuleshɔn ɛn lɔwa ɔt ɛn kol kɔst. |
SHGC we de wok fɔ di kɔmni | I de mɛzhɔ ɔmɔs solar ɔt de kam insay di winda. | SHGC we de dɔŋ de mek os dɛn kol we di ples wam. SHGC we ay de ɛp fɔ wam os dɛn na kol klaymat. |
Tip: Insay kol klaymat, yu kin want winda we gɛt smɔl U-valyu ɛn we gɛt ay SHGC. Insay hot klaymat, luk fɔ ɔl tu di U-valyu we smɔl ɛn SHGC we smɔl.
U-Values vs R-Valyu dɛn
Yu kin si R-valyu bak we yu kɔmpia insuleshɔn prɔdak dɛn. R-valyu ɛn U-valyu gɛt kɔnekshɔn, bɔt dɛn nɔto di sem. R-valyu de tɛl yu aw wan matirial de rɛsist di ɔt flɔ fayn fayn wan. U-valyu de sho aw kwik ɔt de muv tru. Na sɔm impɔtant tin dɛn fɔ no bɔt di rilayshɔn bitwin dɛn tu:
U-valyu na di rɛsiprokal fɔ R-valyu.
Fɔ fɛn U-valyu: U = 1/R.
Fɔ fɛn R-valyu: R = 1/U.
Na dis na wan kwik rɛfrɛns:
U-valyu we dɛn kɔl | R-valyu we gɛt fɔ du wit am |
0.2 | 5 |
0.1 | 10 |
0.5 | 2 |
We yu luk ɔl tu di R-valyu ɛn U-valyu, yu kin gɛt ful pikchɔ bɔt aw yu winda ɛn wɔl dɛn kin mek yu os fayn. R-valyu na kɔmɔn tin fɔ wɔl ɛn ruf. U-valyu na standad fɔ winda ɛn domɔt. Tugɛda, dɛn nɔmba ya de ɛp yu fɔ pik di bɛst prɔdak fɔ sev ɛnaji ɛn kɔmfɔt.
Mɛmba se no wan nɔmba nɔ de we de tɛl di wan ol stori. Ɔltɛm chɛk U-valyu, SHGC, ɛn R-valyu fɔ mek di smat choice fɔ yu os.
Yu kin mek yu os fayn ɛn sev mɔni bay we yu pik winda dɛn we gɛt di rayt U-Values. Dɛn nɔmba ya de sho aw yu winda dɛn kin stɔp di ɔt we yu de lɔs ɛn ɛp fɔ mek yu nɔ pe bɔku ɛnaji. Yuz di tebul we de dɔŋ fɔ mɛmba wetin impɔtant pas ɔl:
Ki Point we dɛn de tɔk bɔt | Fɔ ɛksplen |
U-Faktɔr | I de mɛzhɔ di ebul we wan winda ebul fɔ mek i nɔ gɛt wam we i de lɔs |
U-Faktɔ we de dɔŋ | Min se yu go gɛt bɛtɛ insuleshɔn ɛn ridyus di bil fɔ ɛnaji |
Impɔtant tin bɔt di klaymat | Impɔtant fɔ ɔl di klaymat, mɔ di say dɛn we kol |
ENƐJI STAR® | Ɛp fɔ ɔpgrɛd di efyushɔn na os |
Di Bɛst Prɔktis dɛn | Kɔmbayn wit low-E glas ɛn gas fil |
We yu de shop fɔ winda, chɛk di U-Values fɔ gɛt di bɛst kɔmfɔt ɛn sevings.
Wetin wan 'Gud' U-Value Luk
No single U-value de we perfekt fo evri projek. Wetin kɔnt as 'gud' dipen pan yu klaymat, di kayn bildin, ɛn di lokal ɛnaji kɔd dɛm.
Jɛnɛral U-Valyu Rɛnj dɛn
Rezidenshɛl winda dɛn: U-valyu dɛn kin kɔmɔt frɔm 0.25 to 1.2. Insay kol klaymat, fɔ aim fɔ 0.30 ɔ smɔl pas dat na kɔmɔn tin fɔ os dɛn we de wok fayn fayn wan.
Kɔmishɔn winda dɛn: Di tin dɛn we dɛn nid kin difrɛn bad bad wan bay di bildin kɔd ɛn di gol dɛn we dɛn gɛt fɔ du di prɔjek, bɔt bɔku tɛm dɛn kin target U-valyu we na 0.40 to 0.60 fɔ mek dɛn ebul fɔ mek di asɛmbli dɛn we nɔ de wok fayn.
Bɔku tɛm, di lokal bildin kɔd dɛn kin sɛt di minimum rikwaymɛnt dɛn, bɔt dɛn wan dɛn de ripresent di flɔ—nɔto di bɛst. If yu de bil ɔ rɛnova fɔ lɔng tɛm kɔmfɔt ɛn efyushɔn, fɔ tink bɔt U-valyu dɛn we pas di kɔd minim na bɔku tɛm i fayn.
Klaymat zon, winda oriɛnteshɔn, ɛn bildin yuz ɔl factor insay di ideal spesifikeshɔn.
Wetin Mek U-Values Impɔtant We Yu Bay Windows Onlayn ɔ na Skel
Fɔ go bay winda kin mek yu kɔnfyus kwik kwik wan. Dɛn kin yuz makɛt wɔd dɛn lɛk 'ɛnaji-ɛfishin' ɛn 'ay-pɔfɔmɛnshɔn' fri wan, bɔt dɛn nɔ kin min di sem tin ɔltɛm.
U-valyu dɛn de gi wan ɔbjɛktiv we fɔ kɔmpia prɔdak dɛn. We tu manifakta dɛn se dɛn winda dɛn 'ɛnaji efishɔnal,' di U-valyu de tɛl yu uswan rili de du bɛtɛ ɔnda standad tɛst kɔndishɔn.
Aw fɔ Kɔmpia di Prodak dɛn Fayn wan
Luk fɔ NFRC (National Fenestration Rating Council) lɛbl dɛn na di US, ɔ ikwal sɛtifiket dɛn na ɔda rijyɔn dɛn
Kɔmpia U-valyu fɔ di kɔmplit winda yunit, nɔto jɔs di sɛnt-ɔf-glas raytin
Mek shɔ se yu de kɔmpia di sem kayn winda saiz ɛn kɔnfigyushɔn dɛn
Aks fɔ tɛst ripɔt if dɛn nɔ tɔk klia wan bɔt di U-valyu dɛn
Fɔ Avɔyd fɔ Klɛym dɛn we De Mek Nɔ No di tru
Sɔm manifakta dɛn kin tɔk mɔ bɔt tin dɛn we kin mek pɔsin sawnd fayn fayn wan ɛn dɛn nɔ kin gi rial data bɔt aw pɔsin kin wok. Frays dɛm lɛk 'thermal technology' ɔ 'insulated glass' de sawnd gud bɔt dɛn min smɔl we nɔ gɛt nɔmba fɔ bak dɛn.
Di manifakta dɛn we dɛn kin abop pan kin gi U-valyu dɛn we dɛn dɔn tɛst, we gɛt sɛtifiket fɔ dɛn prɔdak dɛn. If wan kɔmni nɔ ebul fɔ gi yu klia pefɔmɛns data, dat na rɛd flag we yu fɔ tink bɔt.
Aw fɔ Yuz U-Values fɔ Mek Wan Smat Windo Disishɔn
Sɔm Impɔtant Kwɛstyɔn dɛn fɔ Aks di Wan dɛn we De Splay ɔ di Wan dɛn we De Mek
Wetin na di ɔl-windo U-valyu fɔ dis prɔdak (nɔto jɔs sɛnta-ɔf-glas)?
Dis U-valyu na indipɛndɛnt tɛst ɛn sɛtifiket?
Us freym ɛn glazing opshɔn dɛn kin mek di U-valyu bɛtɛ if nid de?
Aw di U-valyu de difrɛn akɔdin to difrɛn winda saiz dɛn na yu layn?
Ustɛm fɔ Prioritiz U-Value Ɔva Ɔda Ficha dɛn
Di U-valyu fɔ bi di men tin we yu fɔ tink bɔt we:
Yu de bil ɔ rɛnova na kol ɔ miks klaymat
Winda dɛn tinap fɔ wan big pat pan yu wɔl eria
Di kɔst fɔ ɛnaji fɔ lɔng tɛm na di tin we dɛn fɔ pe atɛnshɔn pan
Kɔmfɔt nia winda impɔtant (bedrum, living eria, ɔfis) .
Dat se, U-valyu na wan tin pan sɔm. Balans thermal performance wit aesthetics, operability, durability, ɛn badjet na pat fɔ mek di rayt chuk fɔ yu spesifik sityueshɔn.
Balansin Pɔfɔmɛnshɔn, Aesthetics, ɛn Badget
Di bɛst winda fɔ yu prɔjek nɔto di wan we gɛt di U-valyu we smɔl pas ɔl—na di wan we mit yu pefɔmɛns rikwaymɛnt dɛn we i fit yu dizayn vishɔn ɛn badjɛt kɔnstrakshɔn bak.
Bɔku tɛm, fɔ wok wit di wan dɛn we de mek tin dɛn we de gi yu difrɛn tin dɛn fɔ du ɛn we kin gayd yu fɔ balans di rayt tin, kin valyu pas fɔ jɔs rɔnata di nɔmba we smɔl pas ɔl.
Faynal Tin dɛn fɔ Tink Bɔt: Wetin Mek U-Values De Fɔs Yu Atenshɔn
U-valyu nɔto glamorous, bɔt na wan pan di tin dɛn we pɔsin kin abop pan fɔ sho aw winda go rili wok na yu bildin. Dɛn de kɔt tru makɛt langwej ɛn gi yu kɔnkrit besis fɔ kɔmpia.
Na Derchi Door , wi ɔndastand se ɛvri winda disizhɔn involv fɔ balans pefɔmɛns, aesthetics, ɛn prɛktikal kɔnsidareshɔn. Wi tim rɛdi fɔ ɛp yu fɔ fɛn di tɛknikal ditil dɛn—inklud di U-valyu dɛn—so dat yu go ebul fɔ fɛn winda dɛn we rili fit yu prɔjek. If yu de wok pan wan os ɔ wan divɛlɔpmɛnt we gɛt bɔku bildin dɛn, wi de ya fɔ gi di ɛkspɛriɛns ɛn kwaliti prɔdak dɛn we de mek rial difrɛns.
