Masiphiwo ekuqiniseni kwezivumelwano? i-HVAC yomnotho ihlanganisa izidingo ezahlukeneyo

Ukubala iingcindezi ezifana nokunqula okungafanelekanga emakhaya amnandi

Iimpawu zokuphulwa kwe-HVAC yomnotho kunye nokungahleli kakuhle kokunqula

Iintlobo ezahlukene zempilo, ukusuka kakhulu kumgama wokusebenza, kunye nezibhili ezakhala ziyakhula ziyenziwa iimpawu eyodwa yokungaphathanga kwe-HVAC. Iinkcitho zempilo eziphakathi kakhulu ngaphezu kwe-50-60% kunye nezigaba ezihlala ziqina okanye zibushushu zibanisa ukungahambelani kwegazi okanye iingcinga ezithintelayo ezidinga ukuzivocavoca ngokukhawuleza.

Indlela obukhulu bomhlaba, isakhiwo, kunye negazi ikuthatha inyaniso ekugcineni kwebhloko

Izindawo ezinkulu evela kuzo ziphazama ukulahla amava adala emakhanda, ngelishwa izinhlalo ezide zihlupheka ngegazi elikhanya elivutha futhi igazi elibuhlungu libebe ngaphansi ngokuthi kuneziphazamiso nezingxenye ezahlukene zokunqamula okungafani. Uma izixhobo azizange zondlovuke ngempela noma uma izixhobo zingaphansi kokufanele kwezindawo, ukusabela akufinyelela ngempela emaqashini awaye ngendlela ethile, ngamanye amaxesha kubonakala ukuba isebenza siphansi ngama-25%. Umlando wasekhaya wezinhlelo ze-HVAC ubonisa ukuthi izigudhi zokugcina okuphathwayo kakhulu kwenza ukuthi kube yilapho ukulahlekelwa kwamandla kuphazanyiswe ngama-18%. Ukuvikela kahle kukubiza ukuthi kungabi khona amandla aphelelwa ekulwela imiba yokulahlekelwa kwesithunzi.

Isibonelo: Ukuqonda Imilingo Yekhanda Kwegumbi Lomsebenzi Ngokusebenzisa Izenzo Ezinezimali Ezinkulu

Igumbi lomsebenzi eline 120,000 sq. ft eHouston lithule imilingo yekhanda ngama-90% emva kokuthuthela i-modular high-capacity rooftop units enobuchwepheshe obuyinzuzo. Umfanekiso wethermal wabonisa ukuthi kuneziphazima ezivalekile emasakhiweni emshanelweni, okwakwenzeka ukuthi kuthuliwe ngokuthi kuthuthelwe izixhobo zokulahla futhi kuzameke ukulahlekelwa kwesithunzi ngokuphindaphindi.

Ukukhetho: Ukubona Kusasa Kwezivimba Ezivuthiwe Nezinqamlezo Zokulahla Kwamandla

I-Thermography yainfrared nezixhobo zophazinyo ezihlanjwayo nge-IoT zivumela ukubonwa kusasa kwemfazwana yokulahla kwamandla. Izifakelo ezisebenzisa iindawo zokuhlola ngaphambi kokuba kuchazwe njengoko zenzeka ziphathe izixhobo ezi-40% ngaphantsi zokubiza abasebenzi ngokulinganiselana nokulungisa.

Indlela Ebophelelayo: Inkohlako Epheleleyo Yokulahlula Ngokucacileyo Ezingqaleni Ezinxulumene Zokusebenza Kwiziko

Izitolo neezibuko ezinxulumene ezinamacala, iindlu zokusebenza, nezinkundla zedatha zidinga kakhulu iindawo zokulahlula ezinxulumene eziquka indawo epheleleyo nokulahlula ngokucacileyo ngaphakathi kwezinkinga eziphumelelayo ±1°F.

Ukulawula Kwezimo: Ukufumana Ukuqhutshwa Okulinganayo Emva Kwizimo Ezinguqu-ququ

Iziganeko Zokungalingani Kwesimo Kwiindlu Ezikhulu Okanye Ezininzi Iindawo

Izakhiwo ezinkulu zezentengiselwano ngokuvamile zinemibono ehlukene yokushisa ngoba abantu bahamba ngezindlela ezingafani usuku lonke, imishini ikhiqiza ukushisa ngaphakathi, futhi ukwakhiwa kwezakhiwo kungase kube yinkimbinkimbi kakhulu. Ucwaningo lwamuva lwe-ASHRAE lwathola ukuthi cishe amaphesenti angu-42 ezakhiwo zamahhovisi ezinemibhoshongo eminingi empeleni anokwehluka kwezinga lokushisa phakathi kwezindawo eziqhele ngamazinga angaphezu kuka-4 Fahrenheit. Lokhu kuguquguquka kwenza abasebenzi bangakhululeki futhi kungalimaza izinga lokukhiqiza. Izindawo ezinjengezitolo ezidayisa izinto ezincane ezihlanganisa izindlu zokugcina izinto, izindawo zokuthengisa namakhishi ndawonye zibeka izinkinga ezikhethekile uma kuziwa ekugcineni amazinga okushisa eqinile kuzo zonke lezi zindawo ezahlukene esakhiweni esifanayo.

Indlela Ukuhlelwa Kwezitshalo Kwe-HVAC Okuthuthukisa Ngayo Ukusebenza Kwamandla Nokunethezeka Kwabahlala Kuyo

Izinhlelo zokuhlukanisa izindawo namuhla zihlukanisa izakhiwo zibe izindawo ezihlukene ezinesimo sezulu lapho amazinga okushisa angafakwa khona ngendlela ehlukile endaweni ngayinye. Lapho izinkampani zipholisa izingxenye zesakhiwo zazo kuphela ezihlala abantu, zivame ukonga cishe amaphesenti angu-18 kuya kwangu-25 ezindlekweni zikagesi uma ziqhathaniswa nezinhlelo ezindala ezisebenza endaweni eyodwa ngokombiko woMnyango Wezamandla. Izinhlelo ezinhle kakhulu manje ziqhubekela phambili ngokusebenzisa izinzwa ze-IoT endaweni yonke ukulandelela ukuthi ubani ngempela okhona ngesikhathi sangempela. Lokhu kwenza uhlelo lushintshe ukugeleza komoya lapho kudingeka ukuze amahhovisi angabi abandayo kakhulu lapho kungekho muntu kodwa ahlale ekhululekile lapho abasebenzi bechitha isikhathi sabo esiningi khona.

Isifundo Secala: Izitolo Zokuthengisa Zithuthukisa Ukuzizwa Zikhululekile Ngokusebenzisa Ama-Smart Thermostats Nezinzwa Ze-IoT

Omunye umkhiqizo omkhulu wokuthengisa wabona ukwehla cishe kuka-35% kwezikhalazo zamakhasimende mayelana namazinga okushisa ezitolo ezingu-12 ezahlukene ngemva kokuba sebefake lolu hlelo lokuhlukanisa izindawo. Lokhu kwakubandakanya izinzwa ezibekwe ophahleni ezithola ukuthi abantu baseduze, ezixhunywe emithonjeni yomoya eguquguqukayo eyayigxile ekugcineni izindawo zokugqoka nezindawo zokubhukha zikhululekile ngezikhathi eziphithizelayo. Izindleko zikagesi nazo zehla, futhi izindleko zokufudumeza nokupholisa zehla ngamaphesenti angu - 22. Ngaphezu kwalokho, lezi zindawo eziqondiswayo zavimbela isimo lapho ingxenye eyodwa yesitolo yayishisa khona kuyilapho omunye owayeseduze naye eqandisiwe ngoba uhlelo lwaluzama ukwenza kokubili ngasikhathi sinye.

Isu: Ukuqamba Izindawo Ezishukumisayo Ngokusekelwe Emibhalweni Yokuhlala Nokusetshenziswa

Ukuhlela izindawo ngendlela efanele kuqala ngokubheka indlela izikhala ezisetshenziswa ngayo ngempela ngokusebenzisa idatha evela ezinhlelweni zokuzenzekelayo zesakhiwo. Amakamelo okuhlangana abonakala enokuxhumana okuningi phakathi nemihlangano asebenza kangcono uma sicindezela ukufudumeza nokupholisa ngaphandle kwalezo zikhathi, kodwa amakamelo ezinsizakalo adinga ukulawulwa kokushisa okuqhubekayo, kungakhathaliseki ukuthi kwenzekani. I-HVAC yakamuva evamile iyasisiza ukuba sakhe izindawo zesikhashana zemicimbi ekhethekile noma lapho izinguquko zenzeka emahhovisi, ngenxa yama-thermostat angenazintambo nezinhlelo ezenziwe ngezigaba ezingenazimbobo ezingase zihambe lapho kudingeka. Abaphathi bezakhiwo abaningi bakuthola kunengqondo ukuhlola ukuhlelwa kwezakhiwo zabo njalo ezinyangeni eziyisithupha noma ngaphezulu. Lokhu kusiza ukugcina uhlelo lusebenza kahle njengoba izidingo zebhizinisi zishintsha ngokuhamba kwesikhathi, ikakhulukazi ezakhiweni ezindala lapho izinhlelo zokuhlela indawo zangempela zingase zingahambisani namaphethini wamanje wokusetshenziswa.

Ubuchwepheshe Bokuthuthukisa I-HVAC: I-VRF Nezinhlelo Ezincane Zokuhlukanisa Ezingenamthungo

Ukwamukelwa Okandayo Kwezinhlelo Ze-VRF Ezindaweni Ezinkulu Neziguquguqukayo Zokuhweba

Cishe amaphesenti angu-42 ezakhiwo ezincane zezentengiselwano asezisebenzise izinhlelo ze-Variable Refrigerant Flow (VRF) ngokusho kwedatha ye-ASHRAE. Lezi zinhlelo zinikeza ukulawulwa kwesimo sezulu okuhle kakhulu, okulungele izindawo lapho abantu befika futhi behamba khona usuku lonke. Iqiniso lokuthi azidingi imisele lenza lezi zinhlelo zibe izinqumo ezinhle kakhulu lapho kulungiswa kabusha amahhovisi amadala noma izakhiwo ezisetshenziswayo. Uma sibheka izibalo ezivela ku-Commercial Building Efficiency Report, izakhiwo ezine-VRF zibonakala zinciphisa amandla alahlwayo ahlobene nokushisa nokupholisa ngamaphesenti aphakathi kuka-18 no-26. Lokhu kwenzeka ngoba uhlelo luthumela amanzi okupholisa kuphela lapho kudingeka khona, njengokucisha izibani emakamelweni angenalutho kodwa ukuze kulawulwe izinga lokushisa.

Ukusebenza Ngamandla Ngokusebenzisa Ubuchwepheshe Bokugeleza Kwezinto Ezipholisayo Eziguquguqukayo

Izinhlelo ze-VRF ziguqula ijubane le-compressor ngokuqhubekayo kunokuba zisebenze ngemijikelezo yokuvula/ukuvala, zigcine amazinga okushisa ezinzile ngenkathi zisebenzisa amandla angaphansi ngo-30-40%. Ama-compressor aqhutshwa yi-inverter alungisa ukugeleza kwe-refrigerant ukuze ahambisane nesidingo sesikhathi sangempela, agweme ukuchitha imali engaphezu kuka-$ 13.50 / sq.ft ngonyaka okuhlobene nezinhlelo ezihamba ngesivinini esiqinile (i-Energy Star).

Isifundo Secala: Indawo Yokugcina Izinto Yehlisa Izindleko Zamandla Ngo-30% Ngokusebenzisa Izinsimbi Ezincane Ezihlukanisiwe

Isikhungo sokuthutha impahla esingamamitha-skwele angu - 75 000 sakhipha izindawo ezishisayo futhi sanciphisa izindleko zokupholisa zonyaka zisuka ku - $86 000 zaya ku - $60 000 ngokufaka izigaba ezincane ezingama - 28 ezingenawo amapayipi. Izinzwa eziqondiswe ezindaweni ezithile zaziqondisa ukuphoqa ezindaweni ezisebenzayo, kuyilapho amamojula okubuyisela ukushisa esebenzisa kabusha amandla alahliwe ukuze afudumeze amahhovisi.

Ukulinganisela Izindleko Zokuqala Ne-ROI Esikhathini Eside Kwezimali Zokuhweba Zesistimu Ye-VRF

Nakuba izinhlelo ze-VRF zinezindleko zokuqala eziphakeme ngo-20-35% kune-HVAC evamile, isikhathi sazo sokubuyiselwa imali seminyaka engu-7 kuya kwengu-9 sisekelwa yilokhu:

• izindleko zokugcinwa ziphansi ngo-25%-30% ngenxa yokungabi khona kwemigudu
• 40% ukufakwa ngokushesha kwezicelo zokuthuthukisa
• Ukufaneleka kwezinhlelo ezingaphezu kuka-14 zokukhishwa kwemali

Ukukhetha Phakathi Kwezinhlelo Ezineziphethu Nezingenazo Ezinezinhlelo Ezilungiselelwe Zokwakha

Izinhlelo ezinezimbobo zisafanele izakhiwo ezinezindawo ezikhona, kuyilapho izinhlobo ezingenayo imishini zilawula:

• Ukuvuselelwa komlando (izinga lokwamukelwa elingu-82%)
• Ezindawo zomphakathi ezingadinga ukuthembeka kwezinkimbini <±1°F
• Ezindaweni ezithintekile ngokuphakade njengezinkundla zohlangano
  Izindlela ezihlukene zayiphatha iziseko lezinyathelo ngezinyathelo eziqhubekayo zokugaya okunye ukuze kugwemele imiba emibi emaphakathi amakhanda.

Ukudala nokufaka izinqumo ezivikela izindlu eziphakeme kakhulu

Ukuphila kwisikhathi esingakanani sokulungisa i-HVAC emadodini noma emsheneshweni

Ngokwesithathu se-ASHRAE, kuphela ama-63% ezigaba ezintsha zomuzi kuyizinkinga ngoba azikwazi ukuthola izindawo ezihle konke okudingekayo. Lapho izinhlelo zemodili ze-HVAC zafakwa. Lezi zinhlelo zifaka izimotolo nezihlawulo zamandla kumazimba amancane ambalwa aphumelela emakhanda amancane. Okukhona? Zashiyela leso sivumo sokuphuma kwamandla njengalo amakhulu. Fikirha ezindaweni ezifana nezindlu zokudla ezintsha noma izilabo zokulondoloza ezizama ukuvuselela ngaphandle kokusula izinhlangothi. Ngamanye amaxesha kunezinkathazo ezingu-12 kuya ku-18 inci phakathi kwezinhlangothi noma ipipe, kodwa lezi zinhlelo ezincane zingafaka khona ngaphandle kokuchitha ivumo.

Izinhlelo ezincane nezivertical ze-HVAC Ezifanayo Nezimo Ezihlukileyo Zokudweba

Izihlenga zempilo yemipumpu nezinqamlezelo ezincwencwe zokugaya kofanzi zivumela ukusakazela ngokuphambene emakhampini amathile. Isifundo ngemphahleni yokuqeqesha kudele kubonisa ukuthi izixhobo eziphansi (<24" ubude) zibheke izidingo zegumbi lokusebenza kwamandla ngama-41% kungeka kuzenzakalo, okunceda ukufanelela ngezigaba zokuphula kungcolisa emakhampini amancane.

Isifundo seNkatha: Ukusakazela Kwizixhobo Zentloko Yendlu Ngomnyango Othile WeGumbi Lapha Ezinkeleni

Indlu yokubala ebekwa eDowntown Chicago iyaphumelela ukuthola amathoni angu-20 wokulahla kakhulu nokuba ayikwazi ukufinyelela egumbini. Base sakaza iVRF ineziqhinga ezine entloko yenhlanzi nazo mazwi akhona amaqashi aphathelwayo. Ngaphakathi, base qala izixhobo ezinezinhlelo zokudlulisela amavili ngaphezulu kwamagugu afakiwe. Okwabonakala khona konke kwakuyisistimi yezonke ezingenamawila eyayisusa konke okushaqa kakhulu kwezihlengiso ezihleli emacaleni namafomu. Lokhu konke kukucinisa ngama-900 square feet wezindlu ezibalaseleyo kodwa futhi kuhlukaniswa ngezingxoxo ze-ASHRAE 62.1 ngokulahlekelwa kwezimali.

Ukukhetho: Ukungena Kwesikhalo se-HVAC Kusasa Ekugcineni Indlu Ngezilimi

Ukusambana kusasa phakathi kwezenjiniyeli nezilimi ngexesha lokugcina kwesikhalo kuvumela:

1. Iimeko ezithile zomthwalo ezigqitywe ngezixhobo zokwenza indawo
2. Ukunika indawo yegolide yamandla kwiifelo zomsebenzi
3. Ukuplanisa ukuthuthelwa kwesahluko ngaphezulu kwiindawo ezizayo
   Iiprojekthi eziquka ukuquka okuqwalaselwayo kwi-HVAC ziphumela kwindiza engaphantsi kuka-22% yezivumelwano zoshintsho, zibophelela iindlela neemvume ephezulu.

Isikhombisi Sokuqala

Ziziphi iimpawu ezihlala zibonakala xa i-HVAC ayisebenzi kakuhle emakhaya ahleli?

Iimpawu zokungasebenzi kakuhle kwi-HVAC zilandelayo: ubomi obungahle, ukusala kakhulu kwegxalinga, nokunyuka kwemali yokunyusa amanzi. Izone ezikhanya okanye ezibhacane kakhulu, kunye nemigangatho yamanzi apho apho angaphezulu kuka-50-60% ibonisa ngemiba enyanisekileyo ezingadinga ukuzwisiswa.

Ngokubani i-VRF systems zayiphinde zayiphephele imali?

Izinhlelo zikaVRF zihlanza isivinini sezivuno ngokuphindaphindi, ziqinisa izimo ezithile kanye zasendula amandla angu-30-40%. Zihlanza ukubhwebhwa kwesilinganiso sokulahla ukuze kuthunyelwe kulinganiso olufanelekileyo, okungakwazi ukwenza ukuthatha kwezimali.

Yini into eqondisayo ekusetshenziseni izinhlelo eziqasheleneyo ze-HVAC emva kwezindawo eziphilaka?

Izinhlelo eziqasheleneyo ze-HVAC ziphansi kakhulu futhi zifaka izinto ezingcono kumthontelo omncane, zenza ukuthi zibe yisidingo esiphilaka. Zafana nokuthumela amandla njengalo amakhulu ngaphandle kokudinga indawo enkulu.