上海中央空调工程_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:上海中央空调工程

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Tag search results: Product:2News:64individual

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

Householdcentralair-conditioningplaysahugeroleinhomecoolingandheating.Whilecentralair-conditioningbrings
Release time:2021-03-25 Number of hits:60

[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:10

[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:31

[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:94

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

Whentheheatingseasoncomes,whetheritisanewhouseorahousethathasbeenlivingforseveralyears,manyowners
Release time:2020-03-06 Number of hits:82

[Industry information] Compressor oil quality and color detection

Theairconditionermaintenancecompanybelievesthattheoilqualityofthecompressorrefrigeratingoilisthebasicg
Release time:2020-02-28 Number of hits:77

[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:33

[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:30

[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:35

[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:39

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

Air-conditioningmaintenancecompanytellsyoutheroleofrefrigerantsinair-conditioningrefrigerationsystemsTheref
Release time:2020-01-17 Number of hits:54

[Industry information] Maintenance of central air conditioner

Centralair-conditioningislikeacar.Itneedsregularmaintenancetomaintainastrongcoolingcapacity.Sotoday,th
Release time:2020-01-17 Number of hits:32

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

Theairconditionermaintenancemanufacturertellsyouthattherearemainlythefollowingtypesoffailuresofinverter
Release time:2020-01-10 Number of hits:27

[Industry information] Related little knowledge of central air conditioning

1.Wherearethecentralairconditionersinstalledintheroomandwhatarethefunctionsoftheinstallations?Thefol
Release time:2019-12-27 Number of hits:21

[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:42

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

Howmuchdoyouknowabouttheclassificationofhouseholdcentralair-conditioningsystems?Thefollowingaircondition
Release time:2019-12-13 Number of hits:43

[Industry information] How to avoid air conditioning disease?

Somepeoplemayask,whyinthewinter,northernerscanwearshortsleevestojumparoundindoors,whilesouthernerscan
Release time:2019-12-06 Number of hits:33

[Industry information] Maintenance methods of central air conditioning

Thecontractingmethodsforthemaintenanceofcentralair-conditioningaredividedintothreemethods:largepackage,m
Release time:2019-11-22 Number of hits:27

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

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

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

Anti-freezingofthemainengine:closetheinletandoutletvalvesofthecondenserandevaporatorofthemainengine,
Release time:2019-11-15 Number of hits:30

[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:31

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

Howmuchdoyouknowabouttheclassificationofhouseholdcentralair-conditioningsystems?Let'slistentotheair
Release time:2019-11-06 Number of hits:29

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

Theaccumulationofdustintheairductoftheairconditioningsystemwillnotonlyseriouslypollutetheindoorair,
Release time:2019-11-06 Number of hits:47

[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:27

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

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

[Industry information] Several methods of central air conditioning cleaning

ShanghaiCentralAirConditioningProjecttellsyouseveralwaystocleancentralairconditioners:01Cleaningofair-con
Release time:2019-10-25 Number of hits:31

[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:27

[Industry information] Several methods of central air conditioning cleaning

Severalmethodsofcentralairconditioningcleaning:1.CleaningofairconditioningwatersystemBecausetheinnersurfa
Release time:2019-10-18 Number of hits:34

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

Airconditioningmaintenancemanufacturerstellyouthefivemajoreffectsofcentralairconditioningcleaning(1)Prote
Release time:2019-10-18 Number of hits:20

[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:24

[Industry information] Water system maintenance and overhaul work content

(1)Theairconditionermaintenancemanufacturertellsthecontentsoftheannualmaintenancework(eachtime)Chilledwa
Release time:2019-10-16 Number of hits:23

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

Whatarethemaintenanceandoverhaulworkcontentsofair-conditioningchillers?Theairconditionermaintenancemanufa
Release time:2019-10-11 Number of hits:37

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

Airconditioningplaysapivotalroleinregulatingtemperature.Air-conditioningmaintenancetellsyouthatafteralon
Release time:2019-09-29 Number of hits:21

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

Ifthesettemperatureofthewatertankis45℃or55℃,whenthetemperatureofthewatertankreachesthistemperature
Release time:2019-09-25 Number of hits:26

[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:35

[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:40

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

Whenthecentralair-conditioninghostingisrunning,weshouldnotbecareless,becausewhetheryourunitcarefullyor
Release time:2019-09-18 Number of hits:25

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

Afterthecentralairconditionerisusedforaperiodoftime,alargeamountofdustanddirtwillaccumulateonthef
Release time:2018-12-11 Number of hits:105

[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:77

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

1.TheinternalmachineisinplaceThefirststepwhentheconstructionteamentersthefieldistohoisttheinternalm
Release time:2018-12-03 Number of hits:37

[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:47

[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:54

[Knowledge guide] Air conditioner disassembly and assembly knowledge

Theairconditioneryouboughtisonlyasemi-finishedproduct.Theinstallationofanairconditionerdependsonthequ
Release time:2018-11-25 Number of hits:33

[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:38

[Knowledge guide] Air conditioning maintenance

ImportanceoneDuetothespecialworkingmethodoftheairconditioner,ithasthesameeffectasavacuumcleaner.For
Release time:2018-11-20 Number of hits:42

[Knowledge guide] Air conditioning cleaning and maintenance

1.Specialrobot:suitablefornon-damagecleaningwhentheairductofChina'scentralairconditionerhasno
Release time:2018-11-14 Number of hits:27

[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:49

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

Generallyspeaking,theheatingandcoolingeffectsofairconditionersarenotgood,partlybecausetheairfilter(fun
Release time:2018-11-07 Number of hits:43

[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:28

[Knowledge guide] Air conditioner dripping solution

Whatarethereasonsfortheairconditionerdripping?1.Theindoorunitisnotfirmlyinstalled,causingdisplacement.
Release time:2018-10-31 Number of hits:45

[Knowledge guide] Routine diagnosis method of air conditioner fault

Airconditioningfault(fault)routinediagnosis(diagnosis)methodOncethehouseholdairconditionerhasafault(fault
Release time:2018-10-28 Number of hits:43

[Knowledge guide] Home central air conditioning solutions

Industryisanimportantpillaroftheeconomyandalsoamajorsourceofenvironmentalpollution.Therefore,onlybyac
Release time:2018-10-26 Number of hits:12

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

HowisShanghai'scentralair-conditioningengineeringindustryheading?Low-carbonenergysavingisstillthemainf
Release time:2018-06-09 Number of hits:73

[Knowledge guide] Disadvantages of commercial central air conditioning

Disadvantagesofmultipleonlinecommercialcentralairconditioners:1.Theinstallationoftheentiresystemismoreco
Release time:2016-07-11 Number of hits:121

[Knowledge guide] Disadvantages of household central air-conditioning

Disadvantagesofhouseholdcentralair-conditioning1.TheinitialinvestmentishigherthanthesplitmachinePeoplewho
Release time:2016-07-11 Number of hits:96

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

one.Theproblemofcentralairconditioningcoolingcirculatingwater:Duringtheoperationoftheopencoolingtower,t
Release time:2016-06-26 Number of hits:172

[Company Announcement] Air conditioning industry model

SinceOctober1,thenewenergyefficiencystandardsfortheShanghaicentralair-conditioningprojecthavebeenofficia
Release time:2016-06-26 Number of hits:151

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

Accordingtoindustryonlinestatistics,inthefirsthalfoftheyear,theoutputofdomesticairconditionersinmyco
Release time:2016-06-26 Number of hits:142

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

Althoughpeople'slivingstandardshaveimprovedgreatlynow,manypeoplestilldiscouragecentralair-conditioning
Release time:2016-06-26 Number of hits:145

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

Whenitcomestocentralair-conditioninginShanghai'scentralair-conditioningproject,manypeoplefirstthinkof
Release time:2016-06-18 Number of hits:91

[Company news] Air conditioning maintenance installation acceptance

Wealsopayattentiontotheair-conditioningmaintenanceandinstallationacceptancetopreventtheabnormalityfrombe
Release time:2016-06-26 Number of hits:90

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

Amongbuildingenergyconsumption,thecentralair-conditioningenergyconsumptionoftheShanghaicentralair-condition
Release time:2016-06-26 Number of hits:141

[Company news] Air conditioner needs high quality

DuringtheMay1stGoldenWeekthisyear,thepurchaserateofmajorapplianceshasgraduallyincreased.Intermsofair
Release time:2016-06-26 Number of hits:150

[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:159

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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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