Taw qhia
Yog tias koj tau sim qhia qhov rais rau ib qhov project hauv tsev thiab pom koj tus kheej poob rau hauv cov lus luv luv -U-value, SHGC, Uw, Ug, CRF, NFRC, WERS, NatHERS- koj tsis nyob ib leeg. Cov kev qhia tshwj xeeb ntawm cov cua sov rau lub qhov rais yog ib qho ntawm cov txheej txheem nruj tshaj plaws hauv lub tsev specification, tab sis lawv ncaj qha txiav txim siab koj lub tsev cov nqi hluav taws xob, qib kev nplij siab, thiab kev ua raws cai.
Phau ntawv no txiav los ntawm jargon. Peb mam piavdab tsi txhua qhov kev ntsuas thermal ua tau zoo txhais tau tias, cov qauv thoob ntiaj teb txawv npaum li cas ntsuas thiab tshaj tawm lawv, thiab - feem ntau siv tau -yam specifications koj xav tau rau koj qhov projectraws li koj qhov chaw nyob thiab hom tsev.
NtawmSGL Qhov Rooj & Qhov rai, peb muab thermally - optimized qhov rais thiab qhov rooj tshuab rau architects, developers, thiab builders nyob rau hauv 30+ lub teb chaws. Peb cov khoom raug kuaj thiab ntawv pov thawj thoob plaws cov kev ntsuam xyuas tseem ceeb hauv cov lus qhia no, thiab peb pab neeg ua haujlwm txhawb nqa kev txiav txim siab tshwj xeeb txhua hnub. Txhua yam hauv tsab xov xwm no qhia txog qhov tiag -kev paub tshwj xeeb hauv ntiaj teb.
Cov Ntsiab Lus: Yuav Ua Li Cas Lub Qhov Rai "Thermally Efficient"?
Lub qhov rais thermal kev ua tau zoo yog txiav txim siab los ntawm qhov kub npaum li cas nws tso cai kom dhau los ntawm - ob qho tib siua cua sov los ntawm cov khoom sivthiabhnub ci hluav taws xob nce los ntawm iav. Cov no yog ob lub phenomena uas yuav tsum tau cais metrics:
| Yam khoom | Lus Askiv | Kuj hu ua | Lub ntsiab lus | Tus nqi qis dua / siab dua txhais tau li cas | Zoo tshaj rau |
|---|---|---|---|---|---|
| Conductive Thaum tshav kub kub hloov | U-value / U-factor | Thermal transmittance | Thaum tshav kub kub dhau ntawm qhov rais vim qhov kub ntawm qhov sib txawv ntawm sab hauv tsev thiab sab nraum zoov | Txo U-tus nqi= poob qis dua=rwb thaiv tsev zoo dua | Kev ntsuam xyuas dav dav ntawm qhov rais rwb thaiv tsev kev ua tau zoo |
| Hnub Ci Radiation | SHGC | Solar Heat Gain Coefficient / Solar Factor / g-tus nqi | Hnub ci zog kis tau los ntawm iav mus rau hauv lub tsev raws li cua sov | SHGC qis= hnub ci cua sov tsawg dua=txias sab hauv;Siab dua SHGC= hnub ci tshav kub ntau dua=warmer sab hauv | SHGC qisrau huab cua kub;Siab dua SHGCrau huab cua txias |
U-Tus nqi (Thermal Transmittance): Kev piav qhia tiav
U-Tus nqi yog dab tsi?
U-tus nqi(tseem hu uathermal transmittancelos yogU-factornyob rau hauv North America) ntsuas tus nqi ntawm tshav kub hloov los ntawm ib lub tsev caij - nyob rau hauv W / m²K (watts ib square meter ib Kelvin).
- Txo U-tus nqi=zoo dua insulating kev ua tau zoo
- AU-tus nqi ntawm 1.0 W / m²K txhais tau tias: 1 watt ntawm tshav kub ntws los ntawm txhua square meter rau txhua 1℃qhov kub thiab txias sib txawv ntawm sab hauv thiab sab nraud
- Rau kev sib piv: lub qhov dej-cov phab ntsa insulated tej zaum yuav muaj U- tus nqi ntawm 0.15–0.3 W / m²K; ib qho -pane iav qhov rais yog kwv yees li 5.5 W / m²K - txog 20 × zuj zus
Tag nrho -Window vs. Center-Pane U-Tus nqi
Qhov no yog ib qho ntawm cov kev sib txawv tseem ceeb tshaj plaws nyob rau hauv qhov rais thermal specification - thiab ib qho chaw ntawm cov lus tsis txaus siab:
| Lub sij hawm | Dab tsi Nws Ntsuas | Tus nqi zoo (zoo DG qhov rais) |
|---|---|---|
| Ug(Glazing unit U-tus nqi) | Thaum tshav kub kub hloov mus los ntawm qhov chaw ntawm lub khob xwb | 0.6–1.1 W/m²K |
| Uf(Frame U-tus nqi) | Thaum tshav kub kub hloov los ntawm tus ncej xwb | 1.0–3.0 W/m²K |
| Ua(tag nrho-window U-tus nqi) | Qhov hnyav thaj tsam nruab nrab ntawm Ug + Uf + thermal choj ntawm ntug | 1.0–2.5 W/m²K |
Ceeb toom tseem ceeb: Muaj ntau cov khoom lag luam hais tawmUg (center-pane)U-cov nqi uas muaj txiaj ntsig zoo dua li qhovUw (tag nrho -window)tus nqi. Ib qho triple -Glazed unit yuav muaj Ug=0.7 W/m²K tab sis Uw=1.2 W/m²K ib zaug nrog cov ncej thiab ntug poob.Ib txwm qhia thiab sib piv Uw (tag nrho -qhov rai) qhov tseem ceeb rau kev ua raws li thiab lub zog qauv qauv.
U-Tus nqi: W/m²K vs. BTU/(h·ft²·℃F)
North American cov qauv (NFRC, IECC) sivU-factor in BTU/(h·ft²·° F)thaum tag nrho lwm cov lag luam loj sivU-tus nqi hauv W/m²K. Kev hloov pauv:
U-tus nqi (W/m²K)=U-factor (BTU/h·ft²·℃F) × 5.678
Muaj txiaj ntsig siv kev hloov pauv:
| U-tus nqi (W/m²K) | U-factor (BTU/h·ft²·° F) |
|---|---|
| 0.5 | 0.088 |
| 0.8 | 0.141 |
| 1.0 | 0.176 |
| 1.2 | 0.211 |
| 1.4 | 0.247 |
| 1.6 | 0.282 |
| 2.0 | 0.352 |
| 2.5 | 0.440 |
| 3.0 | 0.528 |
SHGC, Solar Factor (g-tus nqi), thiab Tag Nrho Hnub Ci Zog Transmittance
SHGC yog dab tsi?
Solar Heat Gain Coefficient (SHGC)- North American lo lus - ntsuas cov feem ntawm lub hnub ci zog uas hla lub qhov rais thiab nkag mus rau hauv lub tsev raws li cua sov. Nws suav nrog ob qho tib si xa tawm hnub ci hluav taws xob ncaj qha thiab ib feem ntawm lub hnub ci hluav taws xob uas yog re- radiated sab hauv.
Scale: 0 txog 1 (0=tsis muaj hnub ci tshav kub dhau los; 1=tag nrho hnub ci tshav kub dhau los)
iav ntshiab: SHGC kwv yees li 0.82–0.87
Standard Low-E ob chav glazing: SHGC kwv yees li 0.25-0.50 nyob ntawm txheej txheej
Hnub ci tswj glazing: SHGC kwv yees li 0.20–0.25
SHGC vs. g-value vs. Solar Factor
Peb nqe lus no piav txog qhovtib lub cev tshwm simtab sis yog siv nyob rau hauv cov qauv sib txawv hauv cheeb tsam:
| Lub sij hawm | Thaj tsam siv | Txuj |
|---|---|---|
| SHGC | North America | NFRC / IECC |
| g-tus nqi(solar factor) | Teb chaws Europe / UK | EN 410 / EN 14351-1 |
| Hnub ci yam | Australia | AS/NZS 4667/WERS |
Tus lej sib npaug- ib qho SHGC ntawm 0.40=g- tus nqi ntawm 0.40=hnub ci yam ntawm 0.40. Cov metric yog tib yam; tsuas yog cov terminology txawv ntawm cheeb tsam.
Vim li cas SHGC tseem ceeb ntau dua li ntau tus neeg paub meej paub
Hauvhuab cua kub, lub qhov rais nrog SHGC 0.25 piv rau 0.50 tuaj yeem txo cov cua txias xav tau los ntawm15–30%rau sab hnub poob -faus chaw ua haujlwm facade. Qhov no feem ntau cuam tshuam ntau dua li U- tus nqi sib txawv ntawm ob thiab triple glazing.
Conversely, hauvhuab cua txias nrog rau hnub ci tseem ceeb, siab -SHGC sab qab teb-faus qhov rais (sab qaum teb hemisphere) tuaj yeem muabpassive hnub ci cua sovuas txo cov cua sov xav tau - txhais tau hais tias ib txwm qhia qis -SHGC yog qhov ua rau lub zog nplua hauv huab cua txias.
Qhov zoo tshaj plaws SHGC lub tswv yim:
- Cov huab cua kub (UAE, QLD, FL, TX): Tsawg SHGC (0.20–0.30) thoob plaws txhua qhov kev taw qhia
- Cov huab cua txias (Canada, Scandinavia, UK North): Nruab nrab-rau-siab SHGC (0.40–0.60) rau sab qab teb-fab; qis (0.25–0.35) rau sab hnub tuaj / sab hnub poob
- Cov huab cua sib xyaw: Qauv nws - kev taw qhia- cov lus qhia tshwj xeeb yog qhov zoo tshaj plaws
Dab tsi yog Thermal Break hauv Windows?
Teeb meem nrog Standard Aluminium
Aluminium yog cov khoom siv zoo heev - tab sis nws ua kom sov li ntawm1000 × zoo dua UPVCthiab8,000 × zoo dua huab cua. Nyob rau hauv tus qauv (tsis yog-thermal- tawg) aluminium qhov rai ncej, qhov kev ua haujlwm siab no tsim ib qho txuas txuas ntxiv "thermal choj" nruab nrab ntawm sab nrauv txias thiab sov sab hauv:
- Sab hauv condensation: Txias aluminium nto ntog hauv qab dej lwg taw tes, ua rau ya raws ntawm cov thav ntawv
- Tsis xis nyob: Txias radiant nto txo cov neeg nyob hauv kev nplij siab nyob ze qhov rais
- Siab U-tus nqi: Standard aluminium ncej Uf ≈ 3.5–7.0 W/m²K - ua rau tag nrho tsis zoo- qhov rai thermal kev ua tau zoo
- Zog code tsis ua raws li -: Standard aluminium ncej feem ntaupoob zog code yuav tsumnyob rau hauv tag nrho tab sis cov huab cua sov tshaj plaws
Yuav ua li cas Thermal Break Construction Works
A thermal tawg(tseem hu uathermal barrier) cuam tshuam cov txhuas txoj kev conductive los ntawm kev ntxig ib lub strip ntawm qis -cov khoom siv hluav taws xob nruab nrab ntawm cov khoom txhuas sab hauv thiab sab nrauv:
Cov khoom siv thermal tawg:
- Polyamide (nylon / PA66): Feem ntau, cov yam ntxwv zoo heev, 20mm-40mm dav dav
- Polyurethane ua npuas ncauj (PU): "Poured thiab debridged" kev tsim kho; me ntsis zoo thermal kev ua tau zoo tab sis tsawg dua cov qauv kev ua haujlwm
- Composite profiles(fiberglass, yas): Siv nyob rau hauv siab tshaj -kev ua tau zoo
Thermal Break Width vs. Performance
Cov thermal so dav dav feem ntau txhim kho ncej U- tus nqi, tab sis nrog txo qis rov qab:
| Thermal Break Dav | Kwv yees Frame Uf | Daim ntawv thov |
|---|---|---|
| 0mm (tsis tawg) | 3.5–7.0 W/m²K | Tsis yog -raws li nyob rau hauv feem ntau tswj kev lag luam |
| 20 hli polyamide | 2.0–2.8 W/m²K | Nkag mus- theem ua raws; huab cua sov |
| 28-32 hli polyamide | 1.4–2.0 W/m²K | Txheem specification; feem ntau tswj kev lag luam |
| 40mm + polyamide | 0.9–1.4 W/m²K | Txhim khu kev ua tau zoo; huab cua txias |
| Pour PU + widened so | 0.6–1.0 W/m²K | Nyob ze -passive tsev specification |
SGL's Thermal Break Range: Peb thermal- tawg aluminium qhov rais feature28-40mm polyamide tawgnyob ntawm cov khoom series, ua tiav tag nrho -window Uw qhov tseem ceeb los ntawm0.9-1.6 W / m²nyob ntawm glazing chav tsev specification.
International Thermal Performance Standards Reference
🇬🇧 United Kingdom: Ntu L 2022 + Yav Tom Ntej Cov Qauv
Lub UK siv W / m²K cim thoob plaws, nrogUw (tag nrho -window)raws li kev ntsuas kev ua raws cai.
Tam sim no Tshooj L 2022 yuav tsum muaj rau lub tsev:
- Qhov rais hloov siab tshaj plaws U-tus nqi:1.4 W/m²K(tag nrho qhov rais)
- Lub tsev tshiab notional specification: feem ntau1.2 W/m²Krau SAP zog qauv
- Ntu L 2022 ntaub efficiency: Qhov rai specification pub rau hauv SAP xam
Future Homes Standard (FHS, 2025/2026):
- Targeting 75–80% CO₂ txo vs 2013 hauv paus
- Implied window kev ua tau zoo rau cov qauv tsim:Uw Tsawg dua lossis sib npaug li 1.2 W / m²K
- Ntau FHS-cov qauv tsim raws li twb tau qhia txog qhov glazing triple (Uw Tsawg dua lossis sib npaug rau 0.9 W / m²K)
Ntxiv UK metric - Qhov Kev Ntsuas Hluav Taws Xob (WER):
- BFRC (British Fenestration Rating Council) ntsuas qhov rais ntawm qhov ntsuas A++ rau G
- WER muab U-tus nqi, hnub ci nce, thiab huab cua nkag mus rau hauv ib tus lej nyiaj tshuav nyiaj li cas
- Ntu L lees txais WER Band C lossis zoo duaraws li lwm txoj hauv kev ua raws cai rau hloov qhov rais
- Pom zoo yam tsawg kawg nkaus:Band B los yog zoo duarau tshiab - tsim kom zoo
🇦🇺 Australia: NatHERS / WERS / NCC 2025
Australian qhov rais thermal kev ua tau zoo nyob hauvNatHERS (Nationwide House Energy Rating Scheme)lub moj khaum rau cov tsev nyob, siv covWERS (Qhov rai Energy Rating Scheme)rau cov khoom ntsuas.
Cov ntsuas tseem ceeb:
- U-tus nqi (W/m²K): Siv raws li nyob rau hauv European / UK lag luam
- SHGC (los yog Solar Factor): Qhov tseem ceeb rau kev ua raws cai - feem ntau tseem ceeb tshaj U-tus nqi hauv sov- thaj chaw huab cua
NCC 2025 Requirements (Class 1 lub tsev - nyob):
- Yam tsawg kawg NatHERS 7-hnub qub kev ntaus nqi
- Qhov rai xaiv feem ntau ua qauv hauv AccuRate, BerS, lossis NatHERS cov cuab yeej online
- WERS- cov khoom ntsuas ntsuas muab cov ntaub ntawv nkag rau cov kev suav no
Kev nyab xeeb cheeb tsam cuam tshuam rau glazing hauv Australia:
| Kev nyab xeeb cheeb tsam | Ua ntej | Hom U-value Target | Hom SHGC Lub Hom Phiaj |
|---|---|---|---|
| Thaj Chaw 1 (Kub-tso: Darwin, Cairns) | SHGC tseem ceeb | Tsawg dua los yog sib npaug rau 4.0 | Tsawg dua lossis sib npaug li 0.25 |
| Thaj Chaw 2 (Sov: Brisbane, Perth sab qaum teb) | SHGC tseem ceeb | Tsawg dua lossis sib npaug li 3.5 | Tsawg dua los yog sib npaug li 0.30 |
| Zone 3 (Kub-qhuav: Alice Springs, inland WA) | Ob leeg | Tsawg dua lossis sib npaug li 2.5 | Tsawg dua lossis sib npaug li 0.25 |
| Thaj Chaw 4 (Mild: Sydney, Adelaide) | Sib npaug | Tsawg dua lossis sib npaug li 2.0 | 0.30–0.50 |
| Zone 5 (Txias: Canberra ACT, Blue Mtns) | U-tus nqi tseem ceeb | Tsawg dua los yog sib npaug rau 1.8 | 0.40–0.55 |
| Thaj Chaw 6 (Tseeb: Melbourne) | U-tus nqi tseem ceeb | Tsawg dua lossis sib npaug li 2.0 | 0.40–0.55 |
| Thaj Chaw 7 (Tswv Cua: Tasmania ntug dej hiav txwv, alpine) | U-tus nqi tseem ceeb | Tsawg dua los yog sib npaug rau 1.4 | 0.50–0.65 |
| Thaj Chaw 8 (Alpine: Snowy Mtns, Mt Hotham) | Max rwb thaiv tsev | Tsawg dua los yog sib npaug rau 1.2 | 0.55–0.65 |
🇺🇸 United States: IECC 2021/2024 + NFRC
Teb Chaws Asmeskas sivU-factor (BTU/h·ft²·° F)thiab SHGC hauv lubNFRC (National Fenestration Rating Council)system, nrog kev ua raws cai los ntawm lubIECC (International Energy Conservation Code).
NFRC Label - nws qhia koj li cas:
- U-factor: Tag nrho -qhov rais tus nqi (sib npaug rau Uw hauv European terminology)
- SHGC: Tag nrho - lub qhov rais hnub ci tshav kub nce coefficient
- VT (Visible Transmittance): Ib feem ntawm pom lub teeb kis tau
- AL (Air Leakage): CFM ib square feet ntawm 75 Pa siab
IECC 2021 Fenestration Requirements (xaiv thaj chaw huab cua - U-factor in BTU/h·ft²·℃F):
| Zone | Fenestration Max U-factor | Max SHGC |
|---|---|---|
| Zone 1A (Miami) | 0.40 | 0.25 |
| Zone 2A (Houston) | 0.40 | 0.25 |
| Zone 3B (Los Angeles) | 0.32 | 0.25 |
| Zone 4A (Washington DC) | 0.32 | 0.40 |
| Zone 5A (Chicago) | 0.30 | NR |
| Zone 6A (Minneapolis) | 0.30 | NR |
| Zone 7 (Fairbanks) | 0.28 | NR |
Hloov ua lwm yam SI: Multiply U-factor by 5.678 for W/m²K equivalent
🇪🇺 European Union: EPBD + EN 14351-1
EU covEnergy Performance of Buildings Directive (EPBD)tswj hwm cov kev xav tau ntawm lub zog, nrog rau cov cai hauv tebchaws uas siv cov U- tus nqi txwv:
Cov neeg sawv cev EU lub tebchaws yuav tsum tau ua (qhov rais nyob hauv):
| Lub teb chaws | Yam tsawg kawg nkaus Uw (W / m²K) | Sau ntawv |
|---|---|---|
| Lub teb chaws Yelemees (GEG) | 0.9–1.3 | Nws txawv ntawm thaj chaw huab cua thiab hom tsev |
| Fabkis (RE2020) | 1.3 | Kuj suav nrog embodied carbon (Bbio) metric |
| Netherlands (BENG) | 1.5–1.7 | BENG cov qauv kev ua haujlwm ntawm lub zog |
| Sweden | 0.9–1.1 | Kev nyab xeeb nruj nruj |
| Ltalis | 1.4–2.0 | Nws txawv ntawm thaj tsam huab cua |
| Spain | 1.4–2.7 | Dav variation los ntawm kev nyab xeeb cheeb tsam |
CovCE kos npehauv qabTS EN 14351-1yuav tsum tau tshaj tawm thermal transmittance qhov tseem ceeb - tab sis nws tus kheej tsis tau teeb tsa qhov kev ua haujlwm tsawg kawg nkaus. Kev ua raws li lub teb chaws lub zog code yog cais los ntawm CE cim.
🇦🇪 UAE: Al Sa'fat + Pearl Rating System
Ob lub tebchaws UAE xav taucov ntaub ntawv siv zog ua haujlwm rau glazing, nrog rau qhov tseem ceeb ntawm:
- SHGC / Solar Heat Gain: Qhov tseem ceeb hauv UAE lub hnub ci huab cua huab cua
- Hom specification phiaj:SHGC Tsawg dua lossis sib npaug rau 0.25rau Dubai / Abu Dhabi
- U-tus nqi: Tsawg qhov tseem ceeb muab qhov kub thiab txias sab nraum zoov; Uw Tsawg dua lossis sib npaug rau 2.0 W / m²K feem ntau txaus
- Shading coefficient(SC): Qee zaum siv hauv cov ntaub ntawv qub; SC ≈ SHGC ÷ 0.87
Glazing lub luag haujlwm hauv Thermal Performance
Chav tsev glazing (insulating iav chav tsev, IGU) feem ntau pab txhawb 60–75% ntawm lub qhov dej-tsim qhov rais qhov kev ua haujlwm thermal. Kev nkag siab txog kev xaiv glazing yog li qhov tseem ceeb rau thermal specification:
Ob chav vs. Triple Glazing: Thaum twg Triple Ua Zoo?
| Qhov xwm txheej | Ob chav glazing (Low-E) | Triple Glazing |
|---|---|---|
| Ug (iav U-value) | 1.0–1.3 W/m²K | 0.5–0.7 W/m²K |
| Hom Uw ua tiav | 1.0–1.6 W/m²K | 0.6–1.0 W/m²K |
| Tus nqi hwm | Lub hauv paus | +20–40% vs ob |
| Qhov hnyav | Lub hauv paus | +30-50% hnyav dua |
| SHGC txo | Tsawg-E muaj 0.25–0.60 | Ntxiv pane ntxiv txo SHGC |
| Pom lub teeb | 70-80% VT | 55-70% VT (dub me ntsis) |
| Daim ntawv thov zoo tshaj plaws | Feem ntau tswj kev lag luam | Cov huab cua txias, lub tsev passive, Zones 5-8 IECC |
Txoj cai ntawm tus ntiv tes xoo: triple glazing yuav raug nqi -zoo thaum Uw < 1.0 W/m²K yuav tsum tau - feem ntau raupassive tsev tej yaam num, huab cua txias 6-8 US, German GEG zog tsev qauv qauv, los yogUK Future Homes Standard siab -kev tsim qauv.
Tsawg-E txheej hom thiab lawv cov teebmeem ntawm SHGC
Low-E (low emissivity) iav txheejyog cov xim hlau oxide nyias uas muaj kev cuam tshuam ntev -wave infrared radiation (kub), txo U- tus nqi, thaum lawv cov txiaj ntsig ntawm SHGC nyob ntawm hom txheej:
| Tsawg-E Hom | SHGC Ntau | U-Value Effect | Daim ntawv thov |
|---|---|---|---|
| Lub tsho tiv no mos (sputtered) - siab hnub ci | 0.45–0.60 | Txo Ug los ntawm ~ 40% | Kev nyab xeeb txias hnub ci hnub ci - max cua sov hauv |
| Lub tsho tiv no mos - nruab nrab hnub ci nce | 0.35–0.45 | Txo Ug los ntawm ~ 40% | Temperate huab cua sib npaug |
| Lub tsho tawv tawv (pyrolytic) - tus qauv | 0.50–0.70 | Txo Ug los ntawm ~ 20% | Tus nqi qis dua, ruaj khov dua; txwv SHGC tswj |
| Hnub ci tswj Tsawg-E | 0.20–0.35 | Txo Ug los ntawm ~ 40% | Kev nyab xeeb kub / sab hnub tuaj -west orientations |
| Siab hnub ci tswj | 0.15–0.25 | Txo Ug los ntawm ~ 30% | Hnub ci nce huab cua huab cua (UAE, Florida, QLD) |
Specification tswv yim: Ib txwm qhia Tsawg-E txheej txoj haujlwm (feem ntaunto 3 ntawm ob chav - glazed= sab hauv lub ntsej muag ntawm sab nraud) - txoj hauj lwm cuam tshuam rau ob qho tib si thermal kev ua tau zoo thiab pom xim xim.
Sov -Edge Spacers: Cov Lus Nug Dhau Los
Covspacer baruas cais ob lub panes ntawm ob chav - glazed unit pab txhawb rau tag nrho cov thermal kev ua tau zoo ntawm lub qhov rais ntug cheeb tsam. Cov tsoos aluminium spacers yog thermal txuas ntawm lub iav ntug.
Sov -ntug spacer lwm txoj kev:
| Spacer Hom | Thermal Performance | Vs Aluminium |
|---|---|---|
| Aluminium spacer | Baseline (tsis zoo) | - |
| Stainless hlau spacer | +10% kev txhim kho | Marginal |
| Ua npuas ncauj spacer (TPS) | +20-30% kev txhim kho | Tseem ceeb |
| Thermoplastic spacer (Superspacer) | +20-30% kev txhim kho | Tseem ceeb |
| Composite spacer (Swisspacer) | +30-40% kev txhim kho | Qhov tseem ceeb |
Rau kev suav ua raws cai, tshwj xeeb hauvhuab cua txiasthiabpassive tsevdaim ntawv thov, qhia qhov sov-ntev spacers tuaj yeem ua qhov sib txawv ntawm qhov kev sib tw marginal thiab kev ua raws li cov npoo.
Condensation Resistance Factor (CRF)
CRF (Condensation Resistance Factor)yog North American metric (NFRC 500) ntsuas lub qhov rais qhov tsis kam rau sab hauv condensation tsim. Scale: 0–100 (siab dua=ntau condensation resistant).
Hauv kev xyaum:
- CRF 50–60: Tsim nyog rau feem ntau North American huab cua
- ZPO 60–70: Pom zoo rau qhov txias thiab ntub sab hauv (tsev kho mob, natatoriums, chav ua noj ua lag luam)
- CRF 70+: Yuav tsum tau muaj huab cua txias heev (Zone 7-8 IECC) los yog huab cua ntub heev
CRF feem ntau tsis yog siv sab nraud North America - European thiab Australian kev lag luam siv kev ntsuas condensation raws li EN ISO 10077 suav.
Qhia Txog Kev Ua Haujlwm Thermal: Kev Ua Haujlwm Zoo
Kauj Ruam 1: Tsim kom muaj Kev Tswj Xyuas Cov Cai
- Txheeb xyuas cov cai siv hluav taws xob thiab thaj chaw huab cua rau koj qhov project qhov chaw
- Saib qhov siab tshaj U-tus nqi thiab SHGC qhov yuav tsum tau muaj rau koj hom tsev
- Tshawb xyuas seb daim ntawv pov thawj ntsuab (LEED, BREEAM, Green Star) ntxiv dhau -cov cai yuav tsum tau muaj
Kauj Ruam 2: Tsim Tag Nrho-Window (Uw) Lub Hom Phiaj
- Siv cov kev cai siab tshaj plaws raws li koj qhovpem teb(kev ua haujlwm tsawg kawg), tsis yog koj lub hom phiaj
- Rau kev siv zog ua qauv ua raws li cov npoo, tsom rauUw 10-15% zoo dua li code yam tsawg kawg nkaus
- Nrog koj tus qauv tsim hluav taws xob rau tej yaam num uas qhov rais spec ho cuam tshuam rau tag nrho lub tsev zog tshuav nyiaj li cas
Kauj Ruam 3: Xaiv Ncej
| Lub Hom Phiaj Ua Haujlwm | Pom zoo ncej |
|---|---|
| Uw Tsawg dua lossis sib npaug rau 3.0 (tsawg kawg) | Standard aluminium (tsuas yog huab cua sov) |
| Ua 1.6–2.5 | Thermal break aluminium (20mm so) los yog txheem UPVC |
| Ua 1.0–1.6 | Thermal break aluminium (28-40mm) los yog zoo UPVC |
| 0.7-1.0 Nws | Advanced thermal so aluminium (poured PU) lossis triple -glazed UPVC |
| Uw Tsawg dua lossis sib npaug rau 0.7 (passive tsev) | Ntawv pov thawj passive lub tsev ncej (tshwj xeeb txhuas los yog composite) |
Kauj Ruam 4: Glazing Specification
- Xaiv qhov tsim nyog qis-E hom rau koj thaj chaw huab cua thiab kev taw qhia
- Txiav txim siab ob npaug vs. triple glazing raws li lub hom phiaj Uw
- Qhia kom sov-ntev spacer rau tej yaam num tsom Uw Tsawg dua los yog sib npaug rau 1.2 W/m²K
- Kos SHGC ntawm chav glazing xaiv - tsis optimize rau U-tus nqi ib leeg
Kauj Ruam 5: Tshawb xyuas tag nrho -Qhov Kev Ua Haujlwm Qhov rai
- ThovNFRC{0}} ntawv pov thawj cov ntaub ntawv(rau US tej yaam num) los yogEN 14351-1 CPD / CE tshaj tawm(rau EU / UK / AU)
- Confirm Uw =tag nrho -qhov rais tus nqi, tsis yog nruab nrab -pane iav tus nqi
- Thov daim ntawv tshaj tawm cov lej siv rau kev txheeb xyuas ywj pheej
SGL Thermal Performance Product Range
Aluminium Thermal Break Windows
SGL covthermal tawg aluminium qhov raintau yam ua tiav:
| Khoom Series | Thermal Break | Typical Uw Range | Target Markets |
|---|---|---|---|
| Standard TB | 28 hli polyamide | 1.2–1.6 W/m²K | UK Part L, AU NCC, EU moderate zones |
| Txhim kho TB | 36 hli polyamide | 0.9–1.2 W/m²K | UK FHS, BREEAM Zoo heev, EU nruj aav |
| Passive-Paj | Pour PU + 44 hli | 0.7–0.9 W/m²K | Passive lub tsev nyob ib sab, Zone 6-7 IECC |
Muaj glazing configurations:
- Ob npaug qis-E argon: Ug feem ntau 1.0–1.1 W / m²K
- Triple Low-E argon: Ug feem ntau 0.6-0.7 W / m²K
- Hnub ci tswj Tsawg-ESHGC ntau yam 0.20-0.35 (kub huab cua specification)
Cov ntawv pov thawj muaj: CE (EN 14351-1) nrog tshaj tawm Uw; NFRC cov ntaub ntawv; WERS rated (Australia)
UPVC / PVCu Qhov rai Systems
SGL covUPVC qhov rais systemsmuab kev ua haujlwm zoo thermal zoo yam tsis tas yuav tsum tau thermal so:
- Ntau -chamber profiles (5-chamber, 7-chamber) txo cov ncej kub hloov
- Hom Uf:1.0–1.8 W/m²Knyob ntawm qhov profile thiab kev txhawb nqa
- Hom Uw nrog qis -E DG:1.2–1.6 W/m²K
- Triple glazing xaiv muaj (Uw Tsawg dua lossis sib npaug rau 1.0 W / m²K ua tiav)
- Zoo tagnrho rau UK (FHS- muaj peev xwm ua tau raws), Northern Europe, Canada, txias- huab cua Australia
Steel Windows (Kev xaiv Thermal Break Options)
Rau cov haujlwm xav tau kev zoo nkauj ntawm slim steel profiles nrog thermal ua raws:
- Txheem kub-rolled steel: High conductivity; zoo rau cov cuab yeej cuab tam tab sis thermally nyuaj
- Thermally -cov hlau tawg: Polyamide lossis PU core tawg; Uw 1.2-1.8 W / m²K ua tiav
- Hluav taws kub- ntsuas thermally- cov kev xaiv hlau tawg rau kev sib cais + kev ua raws li lub zog
Xaus: Thermal Performance yog tam sim no ib qho tseem ceeb Specification Competency
Kev nkag siabU-tus nqi, SHGC, thiab thermal break technologytsis muaj kev xaiv rau kev tsim kho cov kws tshaj lij - nws yog ib qho tseem ceeb uas yuav tsum tau muaj rau kev tswj hwm kev ua raws cai hauv txhua lub khw tsim kho.
Lub hauv paus ntsiab lus tseem ceeb los mus tom ntej:
- Ib txwm siv Uw (tag nrho -qhov rai), yeej tsis Ug (center-pane) rau kev ua raws thiab kev sib piv
- SHGC yog huab cua- nyob ntawm: qis hauv huab cua kub, siab dua (sab qab teb-fab) hauv huab cua txias
- Thermal so yog qhov yuav tsum tau uarau aluminium qhov rais hauv txhua lub zog- tswj kev ua lag luam sab nraum thaj chaw sov
- Triple glazing ua rau kev nkag siab siab dua qee qhov kev ua tau zoo(Uw <1.0) tab sis ntxiv tus nqi, qhov hnyav, thiab txo qhov pom kev
- Sov-ntug spacers ua qhov ntsuas qhov sib txawvnyob rau hauv huab cua txias ua raws
- Thov cov ntaub ntawv pov thawj, tsis yog kev lag luam thov- NFRC, WERS, CE, thiab BFRC daim ntawv lo muab cov ntaub ntawv kev ua tau zoo ntawm tus kheej
- NtawmSGL Qhov Rooj & Qhov rai, peb muab tag nrho cov ntaub ntawv pov thawj thermal kev ua tau zoo rau tag nrho peb cov khoom lag luam thoob plaws lub ntiaj teb kev ntsuam xyuas loj. Peb pab pawg kws tshaj lij tuaj yeem tawm tswv yim txog kev pom zoo glazing thiab thav duab ua ke rau txhua qhov chaw huab cua, hom tsev, thiab daim ntawv pov thawj yuav tsum tau ua.
FAQ
Q: Q1: Qhov txawv ntawm U-tus nqi thiab U-factor yog dab tsi?
A: A: U-tus nqi (W/m²K) thiab U-factor (BTU/h·ft²·℃F) ntsuas tib yam - thermal transmittance, los yog kub ntws los ntawm lub qhov rais. U- tus nqi yog siv hauv UK, Europe, thiab Australia; U-factor yog siv nyob rau hauv North America. Hloov ua lwm yam: U-tus nqi=U-factor × 5.678. Ob leeg piav qhia tag nrho -qhov rais thermal kev ua tau zoo - ib U-tus nqi ntawm 1.2 W/m²K sib npaug ntawm U-factor ntawm kwv yees li 0.21 BTU/(h·ft²·℃F).
Q: Q2: Dab tsi U- qhov rais xav tau hauv UK kom ua raws li cov cai tam sim no?
A: A: Raws li Tshooj L 2022, hloov qhov rais yuav tsum ua tiav qhov siab tshaj plaws Uw ntawm 1.4 W / m²K rau cov tsev. Tshiab- tsim qhov rais hauv lub zog- qauv tsim qauv feem ntau yog tsom rau 1.2–1.4 W / m²K rau kev ua raws li SAP. Tus Txheej Txheem Yav Tom Ntej Yav Tom Ntej (2025/2026) qhia tag nrho - lub hom phiaj lub qhov rai ntawm kwv yees li tsawg dua lossis sib npaug li 1.2 W / m²K rau feem ntau cov qauv tsim, nrog siab -kev tsim qauv ua tiav tau 0.9–1.0 W / m²K siv triple glazing.
Q: Q3: Dab tsi yog thermal so hauv aluminium qhov rais thiab vim li cas nws tseem ceeb?
A: A: Lub thermal so yog ib txoj hlua ntawm cov khoom siv hluav taws xob qis (feem ntau yog polyamide / nylon) tso rau ntawm sab hauv thiab sab nrauv ntawm lub qhov rais aluminium qhov rai los cuam tshuam txoj kev tshav kub. Yog tsis muaj nws, txhuas ua cua sov kwv yees li 1000 × sai dua UPVC - ua cov txheej txheem txhuas thav duab tsis yog- ua raws li cov cai ntawm lub zog hauv kev lag luam feem ntau. Nrog rau thermal so, aluminium qhov rais ua tiav ncej Uf qhov tseem ceeb ntawm 1.0–2.5 W / m²K piv rau 3.5–7.0 W / m²K yam tsis muaj. SGL's thermal so aluminium qhov rais siv 28-44mm polyamide so nyob ntawm cov khoom series.
Q: Q4: Thaum twg kuv yuav tsum qhia peb lub glazing es tsis txhob ob glazing?
A: Triple glazing ua rau kev lag luam thiab kev ua haujlwm zoo thaum koj qhov project xav tau tag nrho- qhov rai Uw hauv qab kwv yees li 1.0 W / m²K, feem ntau yog rau: lub tsev passive los yog ze rau -passive house projects, IECC climate zones 6-8 (kwv yees US climates), German GEG "lub tsev Standard Future" siab tshaj -kev ua tau zoo tsim, los yog BREEAM Outstanding / LEED Platinum chasing siab tshaj plaws zog credits. Rau feem ntau cov qauv kev ua raws cai hauv huab cua sov thiab sib xyaw, ob chav Low-E argon ua tiav kev ua raws li SHGC yooj yim dua thiab tus nqi qis dua.
Q: Q5: SHGC cuam tshuam li cas rau kev tsim hluav taws xob sib txawv hauv Australia vs UK?
A: A: Hauv tebchaws Australia, feem ntau thaj chaw huab cua yog qhov tseem ceeb ntawm SHGC qis (0.25–0.35) txhawm rau txwv cov khoom txias txias - tshwj xeeb tshaj yog nyob rau hauv chaw kub thiab txias, subtropical, thiab kub- thaj chaw qhuav (Darwin, Brisbane, Perth, Adelaide). Hauv Melbourne thiab yav qab teb Australia, qhov kev sib npaug ntau dua (0.40–0.55) tso cai rau qee lub hnub ci nce rau lub caij ntuj no cua sov. Hauv tebchaws Askiv, sab qab teb-faus qhov rais nrog SHGC siab dua (0.45–0.55) ua rau muaj txiaj ntsig zoo rau hnub ci cua sov thiab tuaj yeem txhim kho tag nrho lub zog sib npaug hauv lub hlis txias. Qhov kev pom tseem ceeb: SHGC optimization yog ib txwm huab cua- cheeb tsam thiab kev taw qhia tshwj xeeb, tsis yog kev txiav txim siab "qis dua yog qhov zoo dua".
Q: Q6: Qhov ntsuas WERS yog dab tsi thiab nws puas tsim nyog rau Australian tej yaam num?
A: A: WERS (Window Energy Rating Scheme) yog Australia lub zog ntsuas qhov system rau qhov rais, tswj hwm los ntawm AFRC (Australian Fenestration Rating Council). Kev ntsuam xyuas WERS muab lub hnub qub rau kev ntsuas cua sov thiab kev ua haujlwm txias hauv txhua qhov ntawm Australia 8 thaj chaw huab cua, ntxiv rau qhov ntsuas hluav taws xob siv hluav taws xob siv hauv NatHERS ua raws li cov qauv qauv. WERS tsis yog qhov yuav tsum tau ua raws li cov khoom lag luam hauv nws tus kheej, tab sis NatHERS ua raws (tam sim no 7 hnub qub nyob rau hauv NCC 2025) feem ntau xav tau WERS cov ntaub ntawv cov khoom lag luam rau kev tsim qauv tswv yim. Hauv kev xyaum, kev qhia WERS- cov khoom ntsuas ntsuas yog qhov tsim nyog rau cov ntaub ntawv ua raws cai nyob hauv Australia.
Hais txog SGL Qhov Rooj & Qhov rai
SGL Qhov Rooj & Qhov raiyog lub chaw tsim khoom tseem ceeb ntawm thermal- tawg aluminium qhov rais thiab qhov rooj, UPVC/PVCu systems, steel windows, composite qhov rooj, thiab iav qhov rooj daws teeb meem. Nrog cov khoom lag luam tau lees paub rau CE (EN 14351-1), AS2047, WERS-rated rau Australia, thiab NFRC cov ntaub ntawv muaj rau North American cov haujlwm, SGL muab cov kev daws teeb meem raws li thermally fenestration thoob plaws 30+ lub teb chaws.
Thermal Performance Certifications:CE (EN 14351-1)|TIAB SA 2047|WERS Rated|NFRC cov ntaub ntawv muaj
Cov khoom:Thermal - tawg aluminium (Uw los ntawm 0.9 W/m²K)|UPVC systems (Uw los ntawm 1.2 W / m²K)|Triple glazing xaiv
Kev Lag Luam Ua Haujlwm:UK, Australia, USA, Canada, UAE, Europe, Philippines, Singapore, thiab lwm yam
Lub Vev Xaib:https://www.sgl-doors-windows.com
Hu rau Thermal Specification Support: Thov Cov Ntaub Ntawv Thermal Performance
Tags: thermal break windows, u-value windows, window u-value, SHGC windows, thermal performance windows, low-e iav, ob chav glazing u-tus nqi, triple glazing, NatHERS qhov rais, WERS ntsuam xyuas, NFRC qhov rais, Ntu L qhov rais, Yav tom ntej Tsev Standard windows, thermal tawg qhov rais
