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I have a 13 channel hikvision IP CCTV system model DS-7616NXI-K2 / 16P. I have only now after one year figured out how I can access the cameras remotely from within my network because before I was getting blank screens like in this image. It required me to enter my IP address of the NVR...

I have a commercial premises and my ceiling Daikin aircon unit which was there when we bought the business, does not heat the reception area very well then my staff always complain every winter that it’s still cold. We service it every year. The engineer seems to think it’s going into defrost...

This old Fluorescent light bulkhead are in several places in my dental practice. I’d like to know whether I can replace these with LED versions and what I need to be looking for without going into major expenditure. Any links to some photos of replacement fittings would be great thank you. Will...

Could someone please explain to me (the uninformed) why these conduits(?) come down like this from the ceiling only to be capped off like that? Also any reason why they are in metal conduits and not plastic? I’m not in the trade, just a lay person. Thx.

How is energy charged to utility companies like Street lamps and virgin media cabinet boxes or 5G masts? Do they have meters on each of these locations?

Can anyone tell what this black metal pole is for?

What is the best way to blurr the faces of a short downloaded CCTV footage and block out audio recording if I need to give this to authorities or someone? The blurring would need to follow the people who are moving around on a video.

I have 2 identical eton alarms installed in two properties. Is it possible to use the same fob to activate and deactivate each alarm or do I need to carry around two chunky fobs?

We have a 150 litre megaflow about 10 years old on our commercial property. We have to use the main spur switch to heat the water each morning for a few hours when we come in at 9am and take it off around 11am. Is it possible to install a wired or wireless thermostat so that it can be...

I have a scantronic alarm installed in the 1980s. Hasn’t been service for 20 odd years. I changed the battery in the alarm panel maybe in 2000, can’t quite remember. System has been fine til now although the external sounder battery is probably dead. Anyway the internal sounder went off...

A widow has approached me for advice. She doesn’t speak good English. Her gas meter has not been working for a number years. I’ve tried to help out now and again as she has two young children. Her late husband would previously manage the affairs of the household so she is not all clued up...

Can someone please explain to me how curtain heaters work, don’t they waste heat by allowing it to go out the door when opened? Do they consume a lot of energy?

I have been quoted for the following Hik Vision CCTV system for installation in London. 6x Hik Vision cameras dome day/night infrared, hikvision waterproof dome of which 1x audio included camera 2x colour cameras 1x PSU 8 way Installation and commissioning TOTAL: £2,395 Option 2 16 way...

Annke CCTV System 8 Channel NVR 4x AH500 Turret Camera 4x NC500 Dome Camera I have been quoted for the above CCTV system for my commercial shop premises - is Annke any good in terms of make? How do these camera rate / is 3k sufficient / is 4TB enough for 8 camera and recording footage for 30...

My commercial meter was showing a solid red led on the on the 10000 on imp / kvarh - any idea what that would mean. It’s not been on since. The one next to it 10000 imp / kWh intermittently flashes red.

I have a commercial premises (dental surgery) which I took over a year ago. The existing 25 year old fire alarm system needs replacing (namely the control panel, detectors and possibly call points). The control panel is in the first floor office. When buying the business the previous owner...

I’m with a large energy supplier (begins with O) and have what is known as a CT Supply meter. We are a small dental practice and our energy consumption is relatively low. We’ve been experiencing erratic bills and even no bill for six months. I have an active complaint ongoing since January...

Any simple Google search for Microsoft Office Professional will list a plethora of offers like £15 to £20 (I'm not referring the Office 365 subscription but the perpetual licence). I question how this is possible when MS sells the subscription sells for £10+ per month. I thought these might...

I really dont get why LED bulbs of the GU10 or MR16 type, are only energy rated F or G and not A or B - they have the equivalent of 35 or 50 watt halogen bulbs so what gives? I havent seen any A rated LED bulbs, is it to do with the lumen output or something?

How can I get floor plans drawn up for my commercial premises? I have a dental practice over two floors and want a floor plan drawn up for general use. How much could I expect to pay and what should I search for because when I search, I keep getting unrelated results. Im based in...