Building Services Engineering
Our Installation work
Heating, Air conditioning & Ventilation System
Residential Split Type Refrigeration AC Unit
Commercial VRV AC Unit
Electrical Power Supply system
Building's Lighting & Extra Low Voltage System
Fire Services Protection System
Plumbing and Drainage System
![construction-manager-and-engineer-working-on-buil-2023-02-10-10-14-42-utc construction-manager-and-engineer-working-on-buil-2023-02-10-10-14-42-utc](https://sme.wozz.hk/wp-content/uploads/elementor/thumbs/construction-manager-and-engineer-working-on-buil-2023-02-10-10-14-42-utc-scaled-q4hoyeeibgln80ke94bksf1tgoubz4jm4moo0rduao.jpg)
HVAC Air Conditioning, Heating and Ventilation Systems
Expertly installed air conditioning systems for various buildings, resulting in improved comfort and energy efficiency.
Large central air-conditioning system:
Chiller Unit Works
Air Cabinets, Duct Fans, Various types of Exhaust Fans
Heat Exchangers, Heat Recovery Air Cabinets
District Cooling System
Technical adjustment and performance check of refrigeration system
Split Type Air Conditioner for Home and VRV for Commercial Multi-Connector:
Wall-mounted machine, Ceiling Mounted Air Conditioners, Ducted Air Conditioning Unit
Emergency repair, technical debugging
![](https://sme.wozz.hk/wp-content/uploads/2023/03/screenshot.jpg)
Our Services Including...
![fXQu97_9hMiv0UTuoSq5Ceis1_SbyuUN fXQu97_9hMiv0UTuoSq5Ceis1_SbyuUN](https://sme.wozz.hk/wp-content/uploads/elementor/thumbs/fXQu97_9hMiv0UTuoSq5Ceis1_SbyuUN-q4hr0zvcvckc44nkpn6v26s7u7qyeitj34msy446j8.jpg)
VRV SYSTEM
![9jF7RD-hJn40izELkB0u7tdRe0VoY7t8 9jF7RD-hJn40izELkB0u7tdRe0VoY7t8](https://sme.wozz.hk/wp-content/uploads/elementor/thumbs/9jF7RD-hJn40izELkB0u7tdRe0VoY7t8-q4hr0yxioij1sioxv4s8hp0r8tvl6tpsqzzbgu5kpg.jpg)
Split Type AC
![-7xvHxizuZiGaHmxazuBtWjVX62UzNke -7xvHxizuZiGaHmxazuBtWjVX62UzNke](https://sme.wozz.hk/wp-content/uploads/elementor/thumbs/7xvHxizuZiGaHmxazuBtWjVX62UzNke-q4hr0xzohohrgwqb0mdlx79ang07z4m2evbtzk6yvo.jpg)
FCU, AHU, PAU
![1J0wXhksJARZb7o9RKyWsDd2VpyB-sBC 1J0wXhksJARZb7o9RKyWsDd2VpyB-sBC](https://sme.wozz.hk/wp-content/uploads/elementor/thumbs/1J0wXhksJARZb7o9RKyWsDd2VpyB-sBC-q4hr0w4040f6tot1blkcs7qdgo9hjqelqm0v109r84.jpg)
Ductwork
![dyGwt8jE5Fbu-G9ZR5y5QKo3-itCls-U dyGwt8jE5Fbu-G9ZR5y5QKo3-itCls-U](https://sme.wozz.hk/wp-content/uploads/elementor/thumbs/dyGwt8jE5Fbu-G9ZR5y5QKo3-itCls-U-q4hr0u8bqccm6gvrmkr3n87g9wir4c752cpw2gcjkk.jpg)
Chilled or Heating Water Pump and Pipeworks
![jVdUjnG7TnEmcXGNwRQnMezgSz-KE6sT jVdUjnG7TnEmcXGNwRQnMezgSz-KE6sT](https://sme.wozz.hk/wp-content/uploads/elementor/thumbs/jVdUjnG7TnEmcXGNwRQnMezgSz-KE6sT-q4hr0tahjibbuux4s2ch2qfzoindwn3eq82el6dxqs.jpg)
In-Line Fan
Electrical Engineering
Residential / Commercial Electrical Services:
Large (commercial) power supply system installation and commissioning (Over 3000A 380V)
Small and medium-sized household power supply system installation, debugging (Under 3000A 220V)
WR2 Power Equipment 5 year inspection
WR1 Certificate of completion of electrical installation
General inspection, replacement, commissioning, and periodic maintenance of all levels of power supply boxes
General installation of lighting control system and special low voltage system
![](https://sme.wozz.hk/wp-content/uploads/2023/04/CrkyuM8uwEs7CJDmeMuKThi6yokiN8XAly1v0VrRIIACF5ub4DxuwGk2GSd6oidYRhfCzTbTtXUeJMYIeL40Rmjc0MDRE3zhgrNwBIFy5hY_tjkBw1280-1024x575.jpeg)
Our Services Including...
![MtQoCp_DD4NO34Bs9o11mtFFYjAx30si3iVQL5GEDSIRbfGM6vjuSOryFbP4rKudDZBFpNtnFEumHEJEbTM1j6U_DVFXIo11WK5ELNJD0Uxz6GtL=w1280 MtQoCp_DD4NO34Bs9o11mtFFYjAx30si3iVQL5GEDSIRbfGM6vjuSOryFbP4rKudDZBFpNtnFEumHEJEbTM1j6U_DVFXIo11WK5ELNJD0Uxz6GtL=w1280](https://sme.wozz.hk/wp-content/uploads/elementor/thumbs/MtQoCp_DD4NO34Bs9o11mtFFYjAx30si3iVQL5GEDSIRbfGM6vjuSOryFbP4rKudDZBFpNtnFEumHEJEbTM1j6U_DVFXIo11WK5ELNJD0Uxz6GtLw1280-q4okv1mw7c4grk4x9e1pm70yrmj570820607s9w0i0.jpeg)
LVSB / MCC
Large Switchgear / Fixed Power Supply Unit
Installation and Replacement
Issuance of WR1
WR2 Annual Inspection
System Commissioning T&C
Power supply quality monitoring
![aV7jJVbah6_801w2QaCJxhXiWyjnWCUaHyLYoPE_vRyTJTvNWKVhqCnKzYOpmctpeIJ8oh593b_802DoZV-v_xDRKadx8dTt3NGAQjQZDZBOcJ9D=w1280 aV7jJVbah6_801w2QaCJxhXiWyjnWCUaHyLYoPE_vRyTJTvNWKVhqCnKzYOpmctpeIJ8oh593b_802DoZV-v_xDRKadx8dTt3NGAQjQZDZBOcJ9D=w1280](https://sme.wozz.hk/wp-content/uploads/elementor/thumbs/aV7jJVbah6_801w2QaCJxhXiWyjnWCUaHyLYoPE_vRyTJTvNWKVhqCnKzYOpmctpeIJ8oh593b_802DoZV-v_xDRKadx8dTt3NGAQjQZDZBOcJ9Dw1280-q4okv0p20i36fy6aevn31p9i68nrzb4bo1cqazxeo8.jpeg)
LMCP
Installation, replacement and repair of LMCP
Related electronic control function test
BMS control and connection
Full electronic control system debugging T&C
![pG0m4ZxFPXNxepAVGtIakCpo2XQW41518me3tfb8YiVMFS0CG0ScjTXMnMuq4tIMozIZykAXzJ9BFnDGqmBQnj_eL1qYt9nWRnyRsgStxqkShKgb=w1280 pG0m4ZxFPXNxepAVGtIakCpo2XQW41518me3tfb8YiVMFS0CG0ScjTXMnMuq4tIMozIZykAXzJ9BFnDGqmBQnj_eL1qYt9nWRnyRsgStxqkShKgb=w1280](https://sme.wozz.hk/wp-content/uploads/elementor/thumbs/pG0m4ZxFPXNxepAVGtIakCpo2XQW41518me3tfb8YiVMFS0CG0ScjTXMnMuq4tIMozIZykAXzJ9BFnDGqmBQnj_eL1qYt9nWRnyRsgStxqkShKgbw1280-q4okuytdmu0lsq90puttwpqkzgx1jwwuzs1rcg070o.jpeg)
Uninterrupted Power System UPS
Installation and Maintenance
Related testing and original system connection
Fire Services
General fire hose reel system, sprinkler system installation / Dry hose sprinkler system
Electronic Smoke Sensor System Installation
Fire pump replacement and maintenance
Annual inspection of fire protection system building
Special Equipment Room Special Equipment Room, Dangerous Goods Storage Room DG Room, Fuel Tank Room
![](https://sme.wozz.hk/wp-content/uploads/2023/04/98c0zr3qd7ZHpjYo3LKr6I7zG6yEiBBs-7_9oOZmH5gM5CdAXG2QHdl_nP7RklL_U90VZr6fEVIYX78ZmjFblwUHXMMnWS6R0NhUSJyl0Ha6EopLw1280-1024x575.jpeg)
Our Services Including...
![QZUYORLF6KzgPPpRuQpvE-L5-RyWrQ1M8EmdeTUR_moiBcuHZAPpMQZQlbaHK_S0MbWiM5tlGHoIaIcL3VLUgdnrey8G7dZchKQcpKipZp63DQSE=w1280 QZUYORLF6KzgPPpRuQpvE-L5-RyWrQ1M8EmdeTUR_moiBcuHZAPpMQZQlbaHK_S0MbWiM5tlGHoIaIcL3VLUgdnrey8G7dZchKQcpKipZp63DQSE=w1280](https://sme.wozz.hk/wp-content/uploads/elementor/thumbs/QZUYORLF6KzgPPpRuQpvE-L5-RyWrQ1M8EmdeTUR_moiBcuHZAPpMQZQlbaHK_S0MbWiM5tlGHoIaIcL3VLUgdnrey8G7dZchKQcpKipZp63DQSEw1280-q4ht460tatz6oo4xdwfi806n4ysewbkd8jvyj2hl6w.jpeg)
Small fire fighting equipment
Fire extinguisher inspection
Annual inspection, replacement
![geFlFqYodPwhfqVZ_000CDelzMoegdrAdEvP8WkIil2t31aFdicQvQ5mI2-BWOXHXJquTlLUIQK6aeWHlbZjTTvEbfQBSKcJuGg7HBwuQdpxXho3=w1280 geFlFqYodPwhfqVZ_000CDelzMoegdrAdEvP8WkIil2t31aFdicQvQ5mI2-BWOXHXJquTlLUIQK6aeWHlbZjTTvEbfQBSKcJuGg7HBwuQdpxXho3=w1280](https://sme.wozz.hk/wp-content/uploads/elementor/thumbs/geFlFqYodPwhfqVZ_000CDelzMoegdrAdEvP8WkIil2t31aFdicQvQ5mI2-BWOXHXJquTlLUIQK6aeWHlbZjTTvEbfQBSKcJuGg7HBwuQdpxXho3w1280-q4ht4i8profwvln6ejpnmf3muz46odwvm8d9rnzgy0.jpeg)
Fixed fire fighting equipment
Fire pump inspection/replacement
Annual fire protection system inspection
System inspection and testing
Plumbing & Drainage
Our Services Including...
![2g2UXXTNonxbMhJnPvaLHweJeBdkM7m1GB16KEWwQvPJXXCeo_a0Rc-tfyOl5-KxUKB7h7JZfnKJ31lIU7oT_BzSUIt4vqNcG4V9E0mYqCaDf3IP=w1280 2g2UXXTNonxbMhJnPvaLHweJeBdkM7m1GB16KEWwQvPJXXCeo_a0Rc-tfyOl5-KxUKB7h7JZfnKJ31lIU7oT_BzSUIt4vqNcG4V9E0mYqCaDf3IP=w1280](https://sme.wozz.hk/wp-content/uploads/elementor/thumbs/2g2UXXTNonxbMhJnPvaLHweJeBdkM7m1GB16KEWwQvPJXXCeo_a0Rc-tfyOl5-KxUKB7h7JZfnKJ31lIU7oT_BzSUIt4vqNcG4V9E0mYqCaDf3IPw1280-q4htaqw19mh3v7wochbrf24frmt6uud3zr82jgwjdg.jpeg)
Water supply pumps and sewage systems
Installation and replacement of all types of pumps, rooftop and underground tanks drainage
![zAEFrpDzy0gn1M7XYFqlddStjfsx-Jsvq7jhOvVc8DBM_H4ulCbVHJ9Z8mAy3wUPK6cdzKcHeTAxkTZT90sOWSFnMFSOUAjFm_jPEW4eBG9bbhBF=w1280 zAEFrpDzy0gn1M7XYFqlddStjfsx-Jsvq7jhOvVc8DBM_H4ulCbVHJ9Z8mAy3wUPK6cdzKcHeTAxkTZT90sOWSFnMFSOUAjFm_jPEW4eBG9bbhBF=w1280](https://sme.wozz.hk/wp-content/uploads/elementor/thumbs/zAEFrpDzy0gn1M7XYFqlddStjfsx-Jsvq7jhOvVc8DBM_H4ulCbVHJ9Z8mAy3wUPK6cdzKcHeTAxkTZT90sOWSFnMFSOUAjFm_jPEW4eBG9bbhBFw1280-q4htao2ip4d8we0rsy3vpku1zh737r1wzd9m3n0pw4.jpeg)
Water Supply System
Installation and replacement of existing commercial or domestic water piping systems. WWO46 WSD Submission
![smUDiQhnPg8RbxaXABjQUWmz-WOC374hdl5-uISB2AV2cRojm8m9dkgO3fvTySuuoqn00NuqtGsn79Ai_AqgUAnROvv_ntdctOed6G2ykiwHYKBs=w1280 smUDiQhnPg8RbxaXABjQUWmz-WOC374hdl5-uISB2AV2cRojm8m9dkgO3fvTySuuoqn00NuqtGsn79Ai_AqgUAnROvv_ntdctOed6G2ykiwHYKBs=w1280](https://sme.wozz.hk/wp-content/uploads/elementor/thumbs/smUDiQhnPg8RbxaXABjQUWmz-WOC374hdl5-uISB2AV2cRojm8m9dkgO3fvTySuuoqn00NuqtGsn79Ai_AqgUAnROvv_ntdctOed6G2ykiwHYKBsw1280-q4htap0cvyej7zzengiia2likv2gfg5nbhx3kwzbpw.jpeg)
Sewage system
Installation and maintenance of large water supply pipes in buildings
Installation of sanitary ware and household water pipes