中央空调工程_Shanghai Yiyuan Construction Engineering Co., Ltd.

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Shanghai Yiyuan Construction Engineering Co., Ltd.

Contact: Qian Lisheng

Telephone: 021-61637237

Biography: 021-54303786

Hand machine: 13761167936

Mail box: zbhqls@163.com

Website: www.sh-yyjz.com

Address: No. 27, Lane 5288, Hunan Road, Hangtou Town, Pudong New Area, Shanghai

label:中央空调工程

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Tag search results: Product:4News:96individual

[Industry information] How to install and debug floor heating

Howtoinstallanddebugfloorheating　　Thereisasayinginthefloorheatingindustrycalled"threepointsforp
Release time:2021-03-25 Number of hits:31

[Industry information] HVAC engineering development trends and new technologies

WhentheBIMtechnologycarriesoutthecorrespondingcollisiontest,itcanautomaticallycheckandanalyzebyitself,
Release time:2021-03-25 Number of hits:45

[Industry information] How to reduce the noise of central air conditioning

Householdcentralair-conditioningplaysahugeroleinhomecoolingandheating.Whilecentralair-conditioningbrings
Release time:2021-03-25 Number of hits:75

[Company news] What are the advantages of radiators and how to maintain them

TherearemoreandmoreheatingmethodsinHVACinstallation.Radiatorsareoneofthem.Whenbuyingradiators,somepeo
Release time:2021-03-25 Number of hits:18

[Company news] How to choose the heating pipe installation method?

1.HowtochooseheatingpipesHeatingpipematerials,mainlyaluminum-plasticpipes,PPRpipesandPBpipes.1.Thealumi
Release time:2021-03-25 Number of hits:42

[Industry information] Several major differences between air source heat pump and heating and cooling air conditioning

Whatisthedifferencebetweenanairsourceheatpumpandaheatingandcoolingairconditioner?Whyisairenergyheat
Release time:2020-03-06 Number of hits:103

[Industry information] A must-see for the initial HVAC system heating in winter

Whentheheatingseasoncomes,whetheritisanewhouseorahousethathasbeenlivingforseveralyears,manyowners
Release time:2020-03-06 Number of hits:94

[Industry information] Do you know when the compressor needs to be changed oil?

Ifcleaningforalongtime,thecleaningagentisdirty,andthefilterisalsocloggedanddirty.Youshouldreplacet
Release time:2020-02-28 Number of hits:86

[Industry information] Compressor oil quality and color detection

Theairconditionermaintenancecompanybelievesthattheoilqualityofthecompressorrefrigeratingoilisthebasicg
Release time:2020-02-28 Number of hits:86

[Industry information] I heard that your life was given by the air conditioner? Sorry, these

Air-conditioningmaintenancecompaniesfeelthatmanypeoplerefertocommondiscomfortsinair-conditionedroomsas&qu
Release time:2020-02-21 Number of hits:42

[Industry information] Reasons for poor reversing of the four-way valve and precautions for maintenance

Thefollowingair-conditioningmaintenancecompanywilltellyouthereasonsforpoorreversingofthefour-wayvalvean
Release time:2020-01-31 Number of hits:35

[Industry information] Fault determination of four-way valve reversal (air blow) in air conditioning system

Amongthefour-wayvalvesreturnedintheair-conditioningmarket,thevastmajorityaremarkedwithpoorreversalorga
Release time:2020-01-31 Number of hits:39

[Industry information] The hidden dangers of not cleaning the air conditioner and the five benefits of regular cleaning of the air conditioner

Theairconditionerbroughtabitofcoolnesstopeopleintheheat.However,howdoweuseairconditionerscorrectly?
Release time:2020-01-19 Number of hits:30

[Industry information] Choose a fresh air system, four common traps to avoid

Aspeople'sattentionto"airpurification"increases,freshairsystemsandairpurifiershavechangedfr
Release time:2020-01-19 Number of hits:51

[Industry information] The role of refrigerants in air conditioning and refrigeration systems

Air-conditioningmaintenancecompanytellsyoutheroleofrefrigerantsinair-conditioningrefrigerationsystemsTheref
Release time:2020-01-17 Number of hits:58

[Industry information] Maintenance of central air conditioner

Centralair-conditioningislikeacar.Itneedsregularmaintenancetomaintainastrongcoolingcapacity.Sotoday,th
Release time:2020-01-17 Number of hits:39

[Industry information] Fourteen why air conditioning maintenance must know

Whetheransweringaphonecallinarepaircenterorinairconditioningrepairwork,somecustomersoftenask"Why
Release time:2020-01-10 Number of hits:52

[Industry information] What are the main types of inverter air conditioner faults?

Theairconditionermaintenancemanufacturertellsyouthattherearemainlythefollowingtypesoffailuresofinverter
Release time:2020-01-10 Number of hits:31

[Industry information] Are central air conditioners afraid of cold in winter?

Arecentralairconditionersafraidofcoldinwinter?Thefollowingair-conditioningmaintenancecompanywillanalyzea
Release time:2020-01-03 Number of hits:27

[Industry information] Related little knowledge of central air conditioning

1.Wherearethecentralairconditionersinstalledintheroomandwhatarethefunctionsoftheinstallations?Thefol
Release time:2019-12-27 Number of hits:30

[Industry information] Points to know about maintaining household central air conditioners in winter

Inwinter,thecentralair-conditioningprovidesawarmandcomfortablelivingenvironmentforthefamily,andofcourse
Release time:2019-12-20 Number of hits:49

[Industry information] The main points of hotel central air conditioning design and installation

Atpresent,thecentralair-conditioninginstallationinhotelshasbecomeanirreplaceableprojectinmodernhotels.Sh
Release time:2019-12-13 Number of hits:54

[Industry information] Classification of household central air-conditioning systems

Howmuchdoyouknowabouttheclassificationofhouseholdcentralair-conditioningsystems?Thefollowingaircondition
Release time:2019-12-13 Number of hits:48

[Industry information] Purpose and steps of central air-conditioning duct cleaning

Theaccumulationofdustintheairductoftheairconditioningsystemwillnotonlyseriouslypollutetheindoorair,
Release time:2019-12-06 Number of hits:53

[Industry information] How to avoid air conditioning disease?

Somepeoplemayask,whyinthewinter,northernerscanwearshortsleevestojumparoundindoors,whilesouthernerscan
Release time:2019-12-06 Number of hits:38

[Industry information] Do you really know how to maintain the air conditioner in winter?

Theweatherisgettingcolderandcolder,andthecentralairconditionerisused~Butbeforethecentralairconditione
Release time:2019-11-29 Number of hits:29

[Industry information] Introduction to the working principle of central air-conditioning compressor

Aspeoplehavehigherandhigherrequirementsforthequalityoflife,manypeoplehavebeguntochoosecentralaircond
Release time:2019-11-29 Number of hits:57

[Industry information] Maintenance methods of central air conditioning

Thecontractingmethodsforthemaintenanceofcentralair-conditioningaredividedintothreemethods:largepackage,m
Release time:2019-11-22 Number of hits:36

[Industry information] Comprehensive understanding of central air-conditioning maintenance knowledge

Air-conditioningmaintenancecompanytellsyou3majorcategoriesofcentralair-conditioningmaintenance1Checkingmain
Release time:2019-11-22 Number of hits:27

[Industry information] Pay attention to indoor air quality while using central air-conditioning

Whetheritisinthesouthorthenorth,correspondingheatingmeasureswillbetakeninthecoldwinter,usingheating
Release time:2019-11-15 Number of hits:49

[Industry information] Antifreeze measures for large central air-conditioning systems

Anti-freezingofthemainengine:closetheinletandoutletvalvesofthecondenserandevaporatorofthemainengine,
Release time:2019-11-15 Number of hits:38

[Industry information] Points to know about maintaining household central air conditioners in winter

Ignorethecentralair-conditioningduringlow-temperatureoperation.Thecentralair-conditioningprovidesawarmandc
Release time:2019-11-08 Number of hits:40

[Industry information] The main points of hotel central air-conditioning design and installation

Atpresent,thecentralair-conditioninginstallationinhotelshasbecomeanirreplaceableprojectinmodernhotels.It
Release time:2019-11-08 Number of hits:41

[Industry information] Classification of household central air-conditioning systems

Howmuchdoyouknowabouttheclassificationofhouseholdcentralair-conditioningsystems?Let'slistentotheair
Release time:2019-11-06 Number of hits:32

[Industry information] Purpose and steps of central air-conditioning duct cleaning

Theaccumulationofdustintheairductoftheairconditioningsystemwillnotonlyseriouslypollutetheindoorair,
Release time:2019-11-06 Number of hits:51

[Industry information] Do you really know how to maintain the central air conditioner in winter?

Theweatherisgettingcolderandcolder,thecentralairconditionerisused~Butbeforeusingcentralair-conditioning
Release time:2019-11-01 Number of hits:30

[Industry information] Introduction to the working principle of central air-conditioning compressor

Introductiontotheworkingprincipleofcentralair-conditioningcompressorAspeoplehavehigherandhigherrequirement
Release time:2019-10-30 Number of hits:36

[Industry information] necessary to know the daily cleaning and maintenance to ensure the heating effect

Undernormalcircumstances,afterthefloorheatinghasbeenusedforaperiodoftime,itmustnotbeignored.Itisne
Release time:2019-10-30 Number of hits:46

[Industry information] Several methods of central air conditioning cleaning

ShanghaiCentralAirConditioningProjecttellsyouseveralwaystocleancentralairconditioners:01Cleaningofair-con
Release time:2019-10-25 Number of hits:37

[Industry information] Energy-saving measures for central air-conditioning system in building application~

Accordingtostatistics,inbuildingswithcentralair-conditioning,theenergyconsumptionofcentralair-conditioning
Release time:2019-10-25 Number of hits:34

[Industry information] Why is there air conditioning disease

Air-conditioningdisease:Whentheair-conditioningisturnedoninsummer,thetemperaturedifferencebetweenindooran
Release time:2019-10-23 Number of hits:22

[Industry information] Why is there a requirement for air conditioning temperature setting

Insummer,theair-conditioningtemperatureistoolow,whichnotonlywastesenergy,butalsoweakensthebody'sab
Release time:2019-10-23 Number of hits:44

[Industry information] Several methods of central air conditioning cleaning

Severalmethodsofcentralairconditioningcleaning:1.CleaningofairconditioningwatersystemBecausetheinnersurfa
Release time:2019-10-18 Number of hits:45

[Industry information] Five major effects of central air conditioning cleaning

Airconditioningmaintenancemanufacturerstellyouthefivemajoreffectsofcentralairconditioningcleaning(1)Prote
Release time:2019-10-18 Number of hits:27

[Industry information] Five treatment processes for cleaning and maintenance of central air conditioning

(1)Sterilizationandalgaeelimination:byaddingbactericidalagents,allkindsofbacteriaandalgaeincirculatingw
Release time:2019-10-16 Number of hits:35

[Industry information] Water system maintenance and overhaul work content

(1)Theairconditionermaintenancemanufacturertellsthecontentsoftheannualmaintenancework(eachtime)Chilledwa
Release time:2019-10-16 Number of hits:26

[Industry information] Maintenance and overhaul work content of air-conditioning chillers

Whatarethemaintenanceandoverhaulworkcontentsofair-conditioningchillers?Theairconditionermaintenancemanufa
Release time:2019-10-11 Number of hits:44

[Industry information] The knowledge of water-to-ground source heat pump unit maintenance

Water-to-groundsourceheatpumpunits,justlikeourcommoncars,needtorelyonrepairsandmaintenancetoextendthe
Release time:2019-10-09 Number of hits:73

[Industry information] Necessity of cleaning and maintenance of central air-conditioning

Airconditioningplaysapivotalroleinregulatingtemperature.Air-conditioningmaintenancetellsyouthatafteralon
Release time:2019-09-29 Number of hits:30

[Industry information] Analysis of the status quo of the central air-conditioning duct cleaning industry

Asthetemperaturedropped,manyhigh-risebuildingsturnedoffcentralair-conditioning.Itisunderstoodthatitisno
Release time:2019-09-27 Number of hits:30

[Industry information] Several important links in the design and construction of ground temperature central air-conditioning

Asanenvironmentallyfriendlyandcleanenergysource,ground-temperaturecentralair-conditioningisgraduallybeingw
Release time:2019-09-27 Number of hits:38

[Industry information] What are the common antifreeze measures for units?

Ifthesettemperatureofthewatertankis45℃or55℃,whenthetemperatureofthewatertankreachesthistemperature
Release time:2019-09-25 Number of hits:31

[Industry information] What problems should be paid attention to in the installation of central air conditioning

Centralair-conditioninginstallationisacomplexandlarge-scaleprojectthatrequiresprofessionalengineerstodesig
Release time:2019-09-20 Number of hits:43

[Industry information] What to do if the air conditioner does not heat?

Societyisprogressing,humanbeingsaredeveloping.Everyone'slivingstandardsaregraduallyrising,anditisver
Release time:2019-09-20 Number of hits:49

[Industry information] How is the central air-conditioning water system piping and installed?

Inkindergartens,commercialofficebuildings,officebuildings,shoppingmallsandotherlargeplaces,thecentralair-
Release time:2019-09-18 Number of hits:58

[Industry information] What is the significance of central air conditioning hosting operation?

Whenthecentralair-conditioninghostingisrunning,weshouldnotbecareless,becausewhetheryourunitcarefullyor
Release time:2019-09-18 Number of hits:31

[Knowledge guide] Precautions for the installation of central air conditioning in Shanghai

Choosingareputablecentralair-conditioninginstallationinShanghaiisluckandfortuneforeverybuyer.Thecentral
Release time:2018-12-16 Number of hits:108

[Knowledge guide] How to clean the central air conditioning filter?

Afterthecentralairconditionerisusedforaperiodoftime,alargeamountofdustanddirtwillaccumulateonthef
Release time:2018-12-11 Number of hits:115

[Knowledge guide] Summary of key points of air conditioning water system design

WhenthepipediameterisbetweenDN100andDN250,therecommendedflowvelocityisabout1.5m/s.Whenthepipediameter
Release time:2018-12-08 Number of hits:86

[Knowledge guide] A better way to save energy in central air conditioning

SincethemainequipmentofShanghaicentralair-conditioningisfanandwaterpump,thebetterwaytosaveenergyisto
Release time:2018-12-06 Number of hits:78

[Knowledge guide] Do you know the installation steps of air conditioner

1.TheinternalmachineisinplaceThefirststepwhentheconstructionteamentersthefieldistohoisttheinternalm
Release time:2018-12-03 Number of hits:45

[Knowledge guide] What are the advantages of related products sold by central air conditioning agents

1.UniformcoolingandhighcomfortBecausethecentralairconditioneradoptsaveryspecialdesignandhasaveryhigh
Release time:2018-11-29 Number of hits:62

[Knowledge guide] Central air-conditioning, floor heating, radiator, which heating effect is better

Thecentralairconditionerrealizestheintegrationofrefrigeration,heatinganddomestichotwater,andisoneofthe
Release time:2018-11-28 Number of hits:51

[Knowledge guide] What to do if the air conditioner is not cooling? Is it necessary to add fluoride

Trivialone:Itischargedwith200yuanfreon,whichisdefinitelyonly50yuan.CitizenChen’sair-conditioningrefrige
Release time:2018-11-27 Number of hits:59

[Knowledge guide] Air conditioner disassembly and assembly knowledge

Theairconditioneryouboughtisonlyasemi-finishedproduct.Theinstallationofanairconditionerdependsonthequ
Release time:2018-11-25 Number of hits:39

[Knowledge guide] Analysis of the future development trend of the HVAC industry

WiththedevelopmentofthehousingindustryinChina,theenergyconsumptionofbuildingsinChinahasaccountedforab
Release time:2018-11-22 Number of hits:60

[Knowledge guide] How to choose central air conditioner? Ten small details determine the effect of central air conditioner installation

1.Centralairconditionershavealwayshadthesaying"threepointsforqualityandsevenpointsforinstallation&
Release time:2018-11-21 Number of hits:43

[Knowledge guide] Air conditioning maintenance

ImportanceoneDuetothespecialworkingmethodoftheairconditioner,ithasthesameeffectasavacuumcleaner.For
Release time:2018-11-20 Number of hits:47

[Knowledge guide] Air conditioning cleaning and maintenance

1.Specialrobot:suitablefornon-damagecleaningwhentheairductofChina'scentralairconditionerhasno
Release time:2018-11-14 Number of hits:33

[Knowledge guide] Do the fresh air system and central air conditioning need to be turned on at the same time?

Manypeoplehavequestionsaboutthisproblem.Ifthecentralairconditioneristurnedonandthefreshairsystemist
Release time:2018-11-13 Number of hits:57

[Knowledge guide] What kind of room is suitable for central air conditioning

Asearlyastheendofthelastcentury,centralairconditionerswerelittleknowninChina,anditisdifficulttosee
Release time:2018-11-11 Number of hits:43

[Knowledge guide] Whats the problem with the air conditioner not heating

Generallyspeaking,theheatingandcoolingeffectsofairconditionersarenotgood,partlybecausetheairfilter(fun
Release time:2018-11-07 Number of hits:54

[Knowledge guide] How much is the appropriate degree of air conditioning heating in winter

Inthehotsummer,wehavetoconsidertheproblemofairconditioningandrefrigeration;inthecoldwinter,wehaveto
Release time:2018-11-05 Number of hits:238

[Knowledge guide] How to solve the appearance of ice block in the air conditioner

Homeair-conditioningsystems(systems)sometimespreventice.Theiceblockappearstobeapieceoficeblockingthea
Release time:2018-11-03 Number of hits:36

[Knowledge guide] Air conditioner dripping solution

Whatarethereasonsfortheairconditionerdripping?1.Theindoorunitisnotfirmlyinstalled,causingdisplacement.
Release time:2018-10-31 Number of hits:53

[Knowledge guide] The working principle of commercial central air conditioner

Commercialcentralairconditionersaredifferentfromhouseholdairconditioners.Theyaremorespecializedandspecial
Release time:2018-10-30 Number of hits:54

[Knowledge guide] Routine diagnosis method of air conditioner fault

Airconditioningfault(fault)routinediagnosis(diagnosis)methodOncethehouseholdairconditionerhasafault(fault
Release time:2018-10-28 Number of hits:47

[Knowledge guide] Home central air conditioning solutions

Industryisanimportantpillaroftheeconomyandalsoamajorsourceofenvironmentalpollution.Therefore,onlybyac
Release time:2018-10-26 Number of hits:16

[Industry information] How is Shanghais central air-conditioning engineering industry heading?

HowisShanghai'scentralair-conditioningengineeringindustryheading?Low-carbonenergysavingisstillthemainf
Release time:2018-06-09 Number of hits:78

[Knowledge guide] Commercial central air-conditioning for refrigerant system

CommercialcentralairconditionersforrefrigerantsystemsaremainlybasedonJapanesebrands,Hitachi,Daikin,andMi
Release time:2016-07-11 Number of hits:178

[Knowledge guide] Disadvantages of commercial central air conditioning

Disadvantagesofmultipleonlinecommercialcentralairconditioners:1.Theinstallationoftheentiresystemismoreco
Release time:2016-07-11 Number of hits:127

[Knowledge guide] Disadvantages of household central air-conditioning

Disadvantagesofhouseholdcentralair-conditioning1.TheinitialinvestmentishigherthanthesplitmachinePeoplewho
Release time:2016-07-11 Number of hits:100

[Knowledge guide] Advantages and disadvantages of central air conditioning

Withthecontinuousimprovementofpeople'slivingstandardsandtheneedsofproductionprocessesinvariousindust
Release time:2016-07-11 Number of hits:136

[Company Announcement] Understand the central air conditioning cooling circulating water

one.Theproblemofcentralairconditioningcoolingcirculatingwater:Duringtheoperationoftheopencoolingtower,t
Release time:2016-06-26 Number of hits:178

[Company Announcement] Solution to the problem of central air-conditioning cooling circulating water

wayofsolvingtheproblem:1.OnlinemonitoringandsewagedischargeInactualmanagement,duetothelargechangesinth
Release time:2016-06-26 Number of hits:169

[Company Announcement] Air conditioning industry model

SinceOctober1,thenewenergyefficiencystandardsfortheShanghaicentralair-conditioningprojecthavebeenofficia
Release time:2016-06-26 Number of hits:162

[Company Announcement] Double squeeze of air conditioning energy efficiency level

Accordingtoindustryonlinestatistics,inthefirsthalfoftheyear,theoutputofdomesticairconditionersinmyco
Release time:2016-06-26 Number of hits:147

[Company Announcement] The air-conditioning industry enters the era of high efficiency and energy saving

ThenewenergyefficiencystandardsforShanghaiair-conditioningdesignintheair-conditioningindustrywillbeoffici
Release time:2016-06-26 Number of hits:154

[Company Announcement] A big comparison between central air-conditioning and traditional cabinets

Althoughpeople'slivingstandardshaveimprovedgreatlynow,manypeoplestilldiscouragecentralair-conditioning
Release time:2016-06-26 Number of hits:153

[Company news] Household central air conditioner and ordinary air conditioner prices

Whenitcomestocentralair-conditioninginShanghai'scentralair-conditioningproject,manypeoplefirstthinkof
Release time:2016-06-18 Number of hits:97

[Company news] Air conditioning maintenance installation acceptance

Wealsopayattentiontotheair-conditioningmaintenanceandinstallationacceptancetopreventtheabnormalityfrombe
Release time:2016-06-26 Number of hits:95

[Company Announcement] Energy-saving air-conditioning energy saving and emission reduction

Amongbuildingenergyconsumption,thecentralair-conditioningenergyconsumptionoftheShanghaicentralair-condition
Release time:2016-06-26 Number of hits:152

[Company news] Countermeasures for HVAC system installation

Animportantsub-itemintheconstructionofHVACsysteminstallationandconstructionisalsoanextremelycomplexproj
Release time:2016-06-26 Number of hits:125

[Company news] Air conditioner needs high quality

DuringtheMay1stGoldenWeekthisyear,thepurchaserateofmajorapplianceshasgraduallyincreased.Intermsofair
Release time:2016-06-26 Number of hits:156

[Company news] How should the main engine of the central air conditioner be maintained?

Thecentralair-conditioninghostisanimportantpartoftheentirecentralair-conditioningsystem.Itcanbesaidto
Release time:2016-06-26 Number of hits:165

[Company news] Teach you to choose the air conditioner you want

InChina,thenumberofusersusingDaikincentralair-conditioningisalsoincreasing,buttheShanghaicentralair-con
Release time:2016-06-26 Number of hits:153

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Contact: Qian Lisheng

Mobile phone: 13761167936

Telephone: 021-61637237

Mailbox: zbhqls@163.com

Address: No. 27, Lane 5288, Hunan Road, Hangtou Town, Pudong New Area, Shanghai

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