Mfɛnsere U-botae susuw ɔhyew a ɛnyɛ owia de fa ahwehwɛ ne frame nhyiam no nyinaa mu no ntɛmntɛm. U-gyinabea a ɛba fam no kyerɛ sɛ ɔhyew a ɛko tia ɔhyew a ɛkorɔn. Saa nhyiam ahorow a ɛkɔ akyiri yi ma ɔhyew a ɛwɔ dan mu no kɔ so tra mu wɔ awɔw bere mu asram a ɛyɛ nwini mu na esiw ɔhyew a atwa yɛn ho ahyia ano wɔ ahohuru bere a ɛyɛ hyew mu.
Afotu: U-botae a ɛba fam kyerɛ sɛ ɔhyew a ɛyɛ adwuma yiye ne bere tenten a wɔde sie nneɛma a wɔde di dwuma no kɛse.
U-values ntease ma afiewuranom, adansifo, ne... aguadi adansifo sɛ wɔbɛpaw nneɛma a ɛyɛ adwuma yiye a ɛma wim tebea yɛ yiye. Sɛ wɔyɛ nsakrae kɔ Energy Efficiency window so a, ɛtew nneɛma a wɔde di dwuma ho ka so kɛse:
Nsɛm a Wɔde Si Ananmu | Afe afe Utility Bill Sika a Wɔabu Ho Akontaabu |
|---|---|
Single-Pane Windows a Wɔbɛsesa | $126 – $465 na ɛyɛ adwuma |
Double-Pane, Clear Glass Mfɛnsere a wɔde besi ananmu | $27 – $111 na ɛyɛ adwuma |
Nneɛma Titiriw a Wɔde Kɔ
U-botae a ɛba fam kyerɛ sɛ wɔde mfɛnsere a wɔde siw mframa ano yiye na ɛma ahoɔden ho ka a wɔbɔ ɔsram biara no so tew kɛse.
Sɛ wopaw mfɛnsere a ɛmma ahoɔden pii nni dwuma a, eyi dan mu mframa a ɛnyɛ dɛ fi hɔ na ɛmma ahwehwɛ a ɛyɛ basabasa a ɛwɔ dan mu no ntumi nkɔ mu.
Ahwehwɛ a ɛwɔ afã abiɛsa ne nnua a wɔde siw ɔhyew ano siw ɔhyew a ɛkɔ baabi foforo ano na ama wo fie ayɛ nea ahotɔ wom afe mũ no nyinaa.
Sɛ wode U-botae a ɛba fam ne owia ahoɔden a ɛne wim tebea hyia bom a, ɛboa ma wo fie di nnɛyi adansi ho mmara ahorow ho dwuma.
Dɛn Ne Mfɛnsere U-Value?
Mfɛnsere U-botae susuw ɔhyew a ɛnyɛ owia de fa mfɛnsere nhyiam a edi mũ mu no ntɛmntɛm. Nnɔmbae a ɛba fam kyerɛ sɛ wotumi de nneɛma a ɛbɔ ho ban yiye. Adansi ho adwumayɛfo bu saa dodow yi ho akontaa de hwɛ sɛnea ɔhyew no nyinaa yɛ adwuma yiye.
Ɔhyew a Ɛma Nkwammoaa Ho Ntease
Ɔhyew a ɛma ɔhyew no kyerɛkyerɛ sɛnea ɛnyɛ den sɛ ɔhyew bɛfa adansi nneɛma mu. Ɔhyew fa mfɛnsere a wɔaboaboa ano so fa honam fam akwan abiɛsa a ɛsono emu biara so: mframa a ɛkɔ nsu mu, mframa a ɛtwetwe, ne mframa a ɛtwetwe.
Ɔhyew a Wɔde Fa Nneɛma Kɔ Mu | Akwan a Wɔde Kɔma Afoforo | Beae Titiriw wɔ Window mu | Akwan a Wɔfa so Tew Nneɛma So |
|---|---|---|---|
Nsɛm a Wɔka Kyerɛ | Ɔhyew ahoɔden a ɛsen fa nneɛma a ɛyɛ den mu tẽẽ | Mfɛnsere ntama, ahwehwɛ, ne spacer bars | Wɔde multi-chamber profiles ne thermal breaks a ɛkɔ so di dwuma |
Nsu a ɛtwetwe nsu | Ɔhyew a ɛkɔ baabiara a mframa a ɛkyinkyini na ɛkanyan | Gas ahyɛ mu ma (IGU) a ɛda ahwehwɛ ntam | Optimizing gap trɛw geometry ntam panes |
Mframa a ɛma mframa bɔ kɛse | Infrared ahoɔden a wɔtow gu ne nea wɔtwetwe wɔ nneɛma a ɛwɔ soro no so | Glass a ɛwɔ soro | Nneɛma a wɔde kata so a ɛnyɛ mframa bɔne (low-E) a wɔde bɛhyɛ mu de ada infrared ahoɔden adi |
Transfer mode biara nya ahoɔden adwumayɛ nyinaa so nkɛntɛnso. Mfiridwuma ho akwan a ɛkɔ akyiri de wɔn ani si akwan abiɛsa no nyinaa so sɛnea ɛbɛyɛ a wɔbɛtew ɔhyew a ɛkɔ nipadua no mu nyinaa so kɛse.
U-Boɔ ne R-Boɔ
Afiewuranom pii hu R-gyinabea ahorow fi nneɛma a wɔde siw ofie ho a wɔtaa yɛ no mu. R-botae susuw ɔhyew a ɛko tia, na ɛkyerɛ sɛnea ade bi tumi siw ɔhyew a ɛsen no kwan. Nea ɛne eyi bɔ abira no, U-botae susuw ɔhyew a ɛkɔ nipadua no mu, na ɛkyerɛ sɛnea ɛyɛ mmerɛw sɛ ɔhyew fa nhyiam bi mu.
Key Takeaway: R-botae ne U-botae yɛ adwuma sɛ akontabuo mu nsɛsoɔ a wɔde identity $U = rac{1}{R}$ da no adi.
Metric / Abusuabɔ | Nnuru a wɔde yɛ nnuru | Nkontaabu Nhwɛso |
|---|---|---|
Nkontaabu mu Abusuabɔ | Nkontaabu mu Nneɛma a Wɔde Di Dwuma / Inverses | $U = rac{1}{R}$ anaa $R = rac{1}{U}$ |
Dane U-Value kɔ R-Value mu | $R = rac {1}{U}$ | U-boɔ a ɛyɛ $0.10 ightarrow R = rac{1}{0.10} = 10$ |
Dane R-Value kɔ U-Value mu | $U = rac {1}{R}$ | R-boɔ a ɛyɛ $3.45 ightarrow U = rac{1}{3.45} ɛyɛ 0.29$ |
Saa abusuabɔ a ɛdannan yi a wɔte ase no boa adansifo ma wɔpaw nea ɛfata Energy Efficiency window ma ahotɔ kɛse a ɛwɔ mu ne wim tebea sohwɛ.
Nea Enti a U-Values Ho Hia ma Ahoɔden a Wɔde Di Dwuma Yiye Mfɛnsere Adwumayɛ
Window assemblies no wɔ U-values a ɛtaa yɛ 0.20 ne 1.20. Nhwehwɛmu a ɛba fam di dwuma titiriw wɔ mmeae a wim yɛ nwini efisɛ ɛma ɔhyew a ɛsom bo a ɛwɔ dan mu no ntumi nkɔ. Sɛ wɔte akontaahyɛde ahorow yi ase a, ɛboa adetɔfo ma wɔpaw mfɛnsere a ɛhwɛ ɔhyew a wɔde kɔ baabi foforo so yiye wɔ afe no mu nyinaa.
Ɔhyew ne Onwini Ho Ka a Wɔtew So
Ɔhyew a ɛba fam no ma HVAC adwuma so tew tẽẽ. Sɛ mfɛnsere siw ɔhyew a wɔmpɛ kwan a, ɔhyew ne onwini nhyehyɛe ahorow no ntaa nyɛ adwuma. Saa adwumayɛ a etu mpɔn yi kyerɛ ahoɔden a wɔkora so kɛse ɔsram biara na ɛtew mframa bɔne a ɛwɔ ɔdan bi mu no so. Paw a wɔpaw bi Energy Efficiency mfɛnsere ma mframa a ɛwɔ dan mu no yɛ nea ɛyɛ den a ɛmma nnwinnade no so adwennwen kɛse.
Nanso, U-botae ka ɔhyew ho asɛm no fã pɛ. Adansi ho adwumayɛfoɔ hwɛ U-boɔ a ɛka Solar Heat Gain Coefficient (SHGC) ho de bu ɔhyeɛ ahoɔden a ɛdi mũ.
Metric | Nsusuwii a Edi Kan | Dwuma a Ɛdi wɔ Ahoɔden a Wɔde Di Dwuma Nyinaa Mu |
|---|---|---|
U-Boɔ (U-Nneɛma) . | Rate a ɛnyɛ owia ɔhyew a ɛyera/conduction denam nhyiam no so. | Ɔhwɛ sɛnea nneɛma a wɔde siw ɔhyew ano no yɛ adwuma yiye; gyinapɛn ahorow a ɛba fam no mma ɔhyew a ɛwɔ dan mu no mfi mu. |
Owia mu Ɔhyew a Ɛma Mfaso (SHGC) . | Owia ahoɔden a ɛhyerɛn dodow a wɔde fa ahwehwɛ no mu gye mu. | Ɛsusuw owia mu ɔhyew a ɛnyɛ adwuma; gyinapɛn ahorow a ɛba fam no siw owia mu hyew a wɔmpɛ no kwan. |
Abusuabɔ a Wɔaka abom | Aguadi a egyina wɔn ho wɔn ho so a ɛda ɔhyew a wɔhwere ne ɔhyew a wonya ntam. | Owia mu ɔhyew a ɛkɔ soro (SHGC a ɛkorɔn) betumi asiw ɔhyew a ɛyera (U-Value a ɛkorɔn) ano de akari pɛ wɔ ahoɔden a ɛkari pɛ nyinaa a egyina wim tebea so. |
Wim tebea mmeae na ɛkyerɛ sɛnea saa metric abien yi bom yɛ adwuma:
Kesee Fam Wim Tebea Gyinapɛn : U-Factor betumi ayɛ 0.40, nanso wɔahyɛ SHGC no ano denneennen wɔ 0.25 a ɛboro so sɛnea ɛbɛyɛ a nnesoa a ɛma onwini no so tew.
Atifi fam Wim Tebea Kari pɛ : Wɔma U-Nneɛma a ɛkorɔn ho kwan sɛ wɔde ka SHGC a ɛkorɔn ho a, ɛma owia mu hyew a wonya no de nsiyɛ siw ɔhyew a ɛyera ano.
Drafts a Wobeyi Afi Hɔ ne Indoor Comfort a Wobɛma Atu mpɔn
Ahwehwɛ a ɛyɛ nwini no sɛe dan mu ahotɔ wɔ awɔw bere mu asram mu. Sɛ ahwehwɛ a ɛwɔ mu no hyew so tew a, ɛma mframa a ɛbɔ no te nka a ɛda adi na nipadua no mu hyew a ɛhyerɛn no hwere.
Awerɛkyekye Adwinnade | Nipadua mu Adeyɛ | Nkɛntɛnso a Ɛwɔ Nnipa Thermal Comfort & Drafts so |
|---|---|---|
Downdraft a Ɛnyɛ Ahotɔ | Mframa a ɛyɛ hyew a ɛwɔ mu no ka ahwehwɛ a ɛyɛ nwini no, ɛhwere ɔhyew, ɛyɛ den, na ɛkɔ fam kɔ fam. | Ɛma mframa a ɛyɛ nwini a ɛfa fam no ba, na ɛma wosusuw sɛ awɔw bɛbɔ anan ne nansoaa ho. |
Radiant Discomfort a Ɛhyerɛn | Ahwehwɛ a ɛwɔ mu no so hyew so tew, na ɛma ɔhyew a ɛhyerɛn wɔ ahunmu no so tew. | Ɛsakra ɔhyew a nnipa hyerɛn sesa, na ɛma wɔn a wɔte hɔ no te awɔw nka a egyina ahwehwɛ no ani hyew, mframa a ɛtwetwe, ne baabi a wotumi hu so. |
Ahotɔ Nhumu: Sɛ wobrɛ U-bo no ase a, ɛma ahwehwɛ a ɛwɔ mu no ani yɛ hyew, na ɛma nsu a ɛyɛ nwini a ɛkɔ fam wɔ fam no gyae na ɛma dan no mu ahotɔ kɔ so tra hɔ bere nyinaa.
U-gyinabea ahorow a ɛba fam nso yi mfɛnsere mu nsu a ɛyɛ basabasa no fi hɔ. Ahwehwɛ a ɛyɛ nwini twe nsu fi dan mu mframa a ɛyɛ hyew mu, na ɛma nsu nketenkete ba frame no ano ne ahwehwɛ ani. Mfɛnsere mu nneɛma a ɛyɛ adwuma yiye ma ɔhyew a ɛwɔ soro no kɔ soro sen bosu no.
Component no | Insulation Strategy / Nneɛma foforo a wɔyɛ | Nkɛntɛnso a Ɛwɔ Asiane a Ɛwɔ Condensation So So |
|---|---|---|
Glazing Unit a Wɔde Yɛ Nneɛma | Ɔka Low-E coatings ne inert gas fills bom na ama wanya U-factors a ɛba fam | Ɛma ahwehwɛ no ani hyew kɔ soro, na ɛmma nsu ntumi nkɔ baabi a obosu wɔ no. |
Mfɛnsere a Wɔde Yɛ Nneɛma | Ɛde ɔhyew a ɛbubu ne insulating inserts ka conductive nneɛma te sɛ aluminium | Ɛma emu frame no ani hyew kɔ soro sen condensation threshold no. |
Edge Spacers a Wɔde Di Dwuma | Ɔde nneɛma a ɛkɔ akyiri a ɛbɔ ahwehwɛ ntam kwan di dwuma | Ɛma ɔhyew a ɛwɔ ahwehwɛ ahye so no so tew, na ɛtew anoano nsu a ɛyɛ nwini no ase. |
Sɛ wopaw mfɛnsere mu nneɛma a U-factor a ne bo nyɛ den koraa a, ɛtew asiane a ɛwɔ mu sɛ nsu a ɛyɛ nwini no so tew tẽẽ.
Mfɛnsere a ɛyɛ adwuma yiye a wɔde insulated ayɛ no di condensation a ɛwɔ fibea no ho dwuma sen sɛ wɔde wɔn ho bɛto ahoɔden a wɔde di dwuma nnam te sɛ dehumidifiers so.
Ahoɔden Mmara ne Adansi Gyinapɛn a Wobedi Ho Dwuma
Nnɛyi adansi ho mmara hwehwɛ sɛ wodi botae ahorow a ɛfa ahoɔden a wɔde di dwuma yiye ho no so pɛpɛɛpɛ. Aguadi mu ahoɔden gyinapɛn te sɛ ASHRAE 90.1 hyɛ U-nneɛma a wɔma ho kwan a ɛkyɛn so de hwɛ sɛ ɔdan no bɛkɔ so atra hɔ daa.
Maximum Limit Enforcement : Aguadi mu ahoɔden gyinapɛn ahorow de U-factor thresholds a ɛsen biara si hɔ, a ɛhwehwɛ sɛ mfɛnsere a wɔde ahyɛ mu no du akontaabu anohyeto pɔtee yi ho anaasɛ ɛba fam.
Adwumayɛ mu Nhwehwɛmu : Gyinapɛn ahorow kari pɛ a ɛhwehwɛ sɛ wɔde ɔhyew yɛ adwuma de toto ɛka a wɔbɔ ho, a ɛfa mfaso a ɛso tew wɔ ahoɔden a wɔkora so no ho.
Compliance Flexibility : Nnwuma no di mmara ahwehwɛde ahorow ho dwuma denam mfɛnsere nhyiam ahorow a wɔkyerɛ a U-factors a ɛba fam wom anaasɛ denam ɔdan ahoɔden nhwɛso a wɔaka abom ne aguadi akwan a wɔde di dwuma bere a ankorankoro afã horow no boro anohyeto ahorow a wɔahyɛ so no so.
Sɛ wɔpaw Ahoɔden a Wɔde Di Dwuma Yiye Mfɛnsere a wɔagye atom a, ɛma adansifo ne adansifo tumi di ɔmantam ahoɔden ho mmara so a biribiara nhaw wɔn bere a wonya sikasɛm mu mfaso a ɛbɛtra hɔ akyɛ no.
Nneɛma Titiriw a Ɛwɔ Ahoɔden a Wɔde Di Dwuma Mfɛnsere Mu
Nneɛma atitiriw pii a wɔde yɛ dan no bom yɛ adwuma de brɛ mfɛnsere nhyiam bi U-bo nyinaa ase:
Glass pane type ne dodow a ɛwɔ mu
Frame nneɛma a wɔahyehyɛ
Low-E microscopic nneɛma a wɔde kata soro
Gas a ɛbɔ ho ban hyɛ ahwehwɛ ntam
Warm-edge window spacers twa perimeter anoano ho hyia
Double ne Triple Glazing a Wobɛpaw
Wɔn a wɔyɛ adansi ho nhyehyɛe no brɛ ɔhyew a ɛkɔ nipadua no mu ase denam ahwehwɛ biako a wɔyɛ so kɔ ahwehwɛ a wɔde siw ano so. Sɛ wode ahwehwɛ foforo ka ho a, ɛma mframa dan a wɔatoto mu a ɛkyere ɔhyew yiye.
Glazing Nsiesiei a Wɔde Yɛ Adwuma | Mfɛnsere no nyinaa U-Factor Range (BTU/hr·ft2·°F) . |
|---|---|
Standard Double-Pane a Wɔde Di Dwuma | 0.30 – 0.35 na ɛwɔ hɔ |
Low-E Argon a Ɛwɔ Nneɛma Abien | 0.25 – 0.30 na ɛwɔ hɔ |
General Triple-Pane Units a Wɔde Di Dwuma | 0.10 – 0.20 na ɛwɔ hɔ |
Triple-Pane a Ɛyɛ Adwuma a Ɛkorɔn | 0.14 – 0.26 na ɛwɔ hɔ |
Sɛ wopaw triple-pane units a, ɛkame ayɛ sɛ ɛtew ɔhyew a wɔhwere no so fã bere a wɔde toto mfitiase double-pane options ho no.
Low-E Coatings ne Argon Gas a Wɔde Hyehyɛ Mu
Wɔn a wɔyɛ no de dade a ɛyɛ tratraa kɛse a wɔfrɛ no Low-Emissivity (Low-E) kata ahwehwɛ a ɛwɔ mu no so tẽẽ. Saa nsensanee a aniwa nhu yi ma ɔhyew a ɛwɔ infrared no san kɔ ne ɔhyew fibea no so. Afie kura fononoo mu hyew mu wɔ awɔw bere a awɔw wom mu, bere a esiw owia hann a ɛyɛ hyew ano wɔ ahohuru bere a ɛyɛ hyew mu no.
Wɔ ahwehwɛ no mu no, mframa a emu yɛ duru a ɛnyɛ adwuma te sɛ argon si mframa a atwa yɛn ho ahyia daa ananmu. Argon de ɔhyew a ɛba fam koraa sen oxygen anaa nitrogen. Saa gas a ɛyɛ den yi ma ɔhyew a ɛkɔ ahwehwɛ ntam no gyae, na ɛma wo... Energy Efficiency window yɛ adwuma a wotumi de ho to so afe mũ no nyinaa.
Frames ne Spacers a Wɔabubu wɔ Ɔhyew Mu
Frame nneɛma di dwuma kɛse wɔ ɔhyew a ɛkɔ nipadua no nyinaa mu. Dade a wɔannoa no de ɔhyew kɔ ntɛmntɛm, bere a nneɛma a ɛnyɛ dade no ko tia ɔhyew a ɛsen fi awosu mu.
Nneɛma a Wɔde Yɛ Frame | Ɔhyew Conductivity & Adwumayɛ |
|---|---|
Fiberglass a wɔde yɛ nneɛma | Ɔhyew a ɛba fam sen biara, a ɛde top-tier insulation ma. |
Vinyl (PVC) a wɔde yɛ nneɛma . | Ɔhyew a ɛba fam a ɛwɔ multi-chamber insulation options. |
Dua | Abɔde mu insulator a etu mpɔn esiane ne organic nkwammoaa nhyehyɛe nti. |
Ɔhyew a ɛkɔ soro gye sɛ mfiridwumayɛfo de ɔhyew a ɛma ɔdan no yɛ hyew si hɔ. |
Polyamide a wɔahyehyɛ no ma ɔhyew a ɛba fam kɛse sen aluminium a wɔannoa. Sɛ wɔde wɔn bom wɔ frame no mu a, ɛma wonya mfasoɔ a wɔaka abom wɔ structure ne thermal mu, na ɛma adwumayɛ mu nkɔsoɔ a ɛkɔduru 20% tew U-factor so.
Mfiridwumayɛfo de PA66 GF25 polyamide nhama hyɛ mu ne akyi aluminium frame profiles ntam. Saa akwanside ahorow a ɛbɔ ho ban yi twitwa ɔhyew a ɛwɔ frame mu no so 50% kosi 70%, na ɛma wonya Energy Efficiency window nhyehyɛe a ɛyɛ adwuma yiye a esiw abɔnten wim tebea a emu yɛ den ano. Warm-edge spacer bars kata glass anoano no ano na amma awɔw atwa ho ahyia thermal bridging.
Ano aduru a ɛyɛ adwuma yiye denam Derchi Mfɛnsere ne Ɔpon so
Derchi Window and Door di wiase nyinaa gua no anim a wɔde bɛboro mfe 25 ayɛ aluminium a wɔyɛ ho nimdeɛ. Adwumakuw no yɛ adan kotoku nhyehyɛe ahorow a ɛyɛ fɛ a ɛma ɔhyew a ɛso bi nni ma nnɛyi adansi adwuma ahorow.
Aguadi ne Nneɛma a Wɔde Yɛ Adwuma
Derchi yɛ 6063-T5 aluminium profile ahorow a ɔhyew abubu a edi adansi adwuma a ɛyɛ den ho dwuma a ɔmmɔ mmɔden biara. Saa nhyehyɛe ahorow a ɛkɔ akyiri yi nam ɔhyew mfiridwuma a wɔde anifere yɛ so nya U-factors a ɛyɛ nwonwa a ɛwɔ 0.27 ne 0.32 ntam:
Multi-Cavity Construction : 1.8mm profile ɔfasu wɔ mu adan a ɛma ɔhyew a ɛkɔ brɛoo.
Expanded Thermal Barrier : A 44mm trɛw insulation strip tew abɔnten dade fi mu nneɛma.
Triple-Sealing System : EPDM gasket layers abiɛsa a ɛsono emu biara gyae mframa a ɛkɔ mu no na ɛkata nsuo mu.
Feature Category a Wɔde Di Dwuma | Design Mechanism a Wɔde Yɛ Nneɛma | Mframa a Ɛhyɛn Mu Ho Banbɔ |
|---|---|---|
Multi-Point a Wɔde Toto Nneɛma Mu | Afã Anan a Ɛwɔ Nsɛntitiriw Nsia Lock System | Secures nsɛntitiriw asia twa frame no ano ho hyia de mia sashes denneennen wɔ perimeter seals. |
Wim Tebea-Stripping | EPDM Gaskets a ɛwɔ afã abiɛsa | Yɛ honam fam akwanside ahorow a ɛkɔ so a esiw mframa, mframa a ɛtwetwe, ne nnyigyei a wɔmpɛ ano. |
Saa nneɛma a wɔde yɛ adan yi boa ahwehwɛ anim a ɛtrɛw ne akɛse apon a ɛtwetwe a ɛwɔ akwan pii so . Derchi mfɛnsere nhyehyɛe ahorow no ne curtain wall structures di nkitaho a ɛnyɛ den bere a egyina design mframa nhyɛso a ɛkɔ 5 kPa ne nsu a ɛyɛ den a ɛkɔ 700 Pa ano.
Nneɛma a ɛyɛ papa: Wiase nyinaa sɔhwɛ akuw di Derchi nneɛma ho adanse wɔ NFRC, CE, AS2047, ne CSA gyinapɛn ahorow ase. Ebiara Energy Efficiency window no kɔ adwumayɛbea nhwehwɛmu 42 mu na ɛde mfe 10 adwumayɛ ho adansedi ba.
U-Value a Ɛfata a Wobɛpaw Ma Wo Wim Tebea
Adwumfo paw mfɛnsere U-botae pɔtee ne SHGC dodow a egyina ɔmantam wim tebea mmeae ne ɔdan no kwankyerɛ so.
Wim Tebea Mantam | Botae Mfɛnsere U-Value | Botae Titiriw |
|---|---|---|
Atifi Fam Wim Tebea a Ɛyɛ Nwini | ≤ 0.22 Btu/h·ft2·°F na ɛwɔ hɔ | Gyae ɔhyew a ɛyera na tew awɔw bere mu ɔhyew adesoa so. |
Kesee Fam Wim Tebea a Ɛyɛ Ɔhyew | 0.30 – 0.45 W/m2·K na ɛyɛ kɛse | Siw owia hyew a ɛkɔ no ano na brɛ onwini ho ka ase. |
Strategic window placement kɔ so ma ɔdan mũ no nyinaa ahoɔden adwumayɛ yɛ yie:
Mfɛnsere a Ɛhwɛ Atɔe Fam : SHGC ahwehwɛ a ɛba fam no mma owia hyew a emu yɛ den a ɛbɛboaboa ano awiabere no ano.
South-Facing Windows : SHGC ahwehwɛ a ɛkɔ fam no kyere awɔw bere mu ɔhyew a ɛboa bere a wɔde abɔ abɔnten so sunsuma ho no.
Mfɛnsere a Ɛhwɛ Atifi fam : Mfɛnsere a Ɛhwɛ Ahoɔden a Wɔde Di Dwuma Yiye a U-bo a ɛba fam sen biara a wobɛpaw no di kan efisɛ saa anim no nnya owia hyew tẽẽ kakraa bi.
Window U-values hwɛ ɔhyew adwumayɛ nyinaa ne bere tenten utility sikakorabea. Sɛ wɔpaw Ahoɔden a Wɔde Di Dwuma Yiye Mfɛnsere a wɔagye atom a, ɛtew ahoɔden ho ka a wɔbɔ ɔsram biara so, ɛma ahotɔ a ɛwɔ dan mu da biara da tu mpɔn, na ɛma ɔmantam adansi ho mmara a emu yɛ den di dwuma. Nnɛyi aluminium nhyiam ahorow a wɔabɔ ho ban no kura dan mu hyew a ɛyɛ dɛ mu wɔ bere biara mu bere a ɛde sikasɛm mu akatua a ɛkɔ so ma no.
Fa Ayɛyɛ: Adansi ho adwumayɛfo ne afiewuranom betumi ne Derchi mfɛnsere ne pon adi nkitaho nnɛ akɔhwehwɛ adansi ano aduru a wɔagye atom na wɔabisa adwuma no ho afotu a wɔahyɛ da ayɛ.
FAQ
Dɛn ne U-botae pa ma mfɛnsere a ɛmma ahoɔden nsɛe?
Mfɛnsere U-botae pa taa yɛ 0.20 ne 0.30 ntam. Nnɔmbae a ɛba fam kyerɛ sɛ wɔde nneɛma a ɛbɔ ho ban a ɛkorɔn sen biara. Ɛsɛ sɛ afiewuranom a wɔwɔ mmeae a awɔw wom paw U-values a ɛba fam sen 0.25 na ama ɔhyew a ɛwɔ dan mu no akɔ so ayɛ kɛse na wɔatew awɔw bere mu ɔhyew ho ka so.
So U-botae a ɛba fam kyerɛ mfɛnsere a eye bere nyinaa?
U-bo a ɛba fam no ma wonya awerɛhyem sɛ wɔbɛma ɔhyew a ɛbɔ ho ban yiye. Nanso, ɛsɛ sɛ adetɔfo nso hwehwɛ Solar Heat Gain Coefficient (SHGC) no mu. Anafo fam wim tebea a ɛyɛ hyew no hwehwɛ sɛ wɔde SHGC dodow a ɛba fam ma na ama wɔatumi asiw owia hyew ano, bere a atifi fam wim tebea nya mfaso fi owia mu hyew a ɛnyɛ adwuma mu.
Hyɛ no nsow ntɛm: Kari pɛ wɔ U-gyinabea a ɛba fam ne SHGC dodow a ɛfata wim tebea ho ma ahoɔden a wɔde di dwuma yiye nyinaa.
Ɔkwan bɛn so na nneɛma a wɔde yɛ frame no nya mfɛnsere bi U-botae so nkɛntɛnso?
Nneɛma a wɔde yɛ frame no nya ɔhyew a ɛkɔ nipadua no mu nyinaa so nkɛntɛnso kɛse. Aluminium nnua a wɔannoa no de ɔhyew kɔ ntɛmntɛm. Nanso, aluminium profiles a wɔayɛ no foforo a polyamide thermal breaks wom no siw ɔhyew a ɛkɔ baabi foforo ano yiye. Saa nhyehyɛe a nyansa wom yi ma wonya mfɛnsere nhyehyɛe ahorow a ɛyɛ den na ɛmma ahoɔden pii.
So ahwehwɛ a ɛwɔ afã abiɛsa betumi atew U-gyinabea ahorow so kɛse?
Aane! Sɛ wode ahwehwɛ a ɛto so abiɛsa ka ho a, ɛma wonya mframa dan abien a wɔabɔ ho ban. Triple-pane units tew ɔhyew a ɛyera so bɛyɛ 50% sɛ wɔde toto standard double-pane windows ho a. Wɔma mfɛnsere mũ no nyinaa U-botae kɔ fam kodu nkɔanim a ɛyɛ nwonwa a ɛwɔ 0.10 ne 0.20 ntam.
Glazing Type a Wɔde Yɛ Nneɛma | Sɛ wɔkyekyem pɛpɛɛpɛ a, U-Value Range |
|---|---|
-Pane a Ɛyɛ Mmienu | 0.25 – 0.30 na ɛwɔ hɔ |
Nneɛma a Ɛwɔ Abiɛsa-Pane | 0.10 – 0.20 na ɛwɔ hɔ |
