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Posted by Ali W 
April 14, 2018 04:49PM
We have had an HRV for around 8 years now. No problem with the system, however their after sales service is non existent except to sell. My husband accidentally changed the settings from Celsius to Fahrenheit- now HRV will not help him fix it. He gets answers like “I will get the technician to call you back” and of course they never do, We know that HRV will tell us we need to replace our system with a more modern one.

Talking to friends and workmates the stories are the same - it's just sales and not much else!

Anyone know how we can find out how to fix the temperature settings - there is nothing on the internet that we can find.

April 15, 2018 05:15PM
Have you got a 'function' button on your remote? Try holding it for 3 seconds and see if the option to change from F to C is there.
April 15, 2018 07:39PM
Thanks Lorna. I did that and an oval with an F came up but I don't know what to do next. Any further help would be much appreciated.
April 15, 2018 10:04PM
According to their website the friendly team at 0800 HRV 123 is there to help with any queries. Surely someone can answer your question - it hardly requires a technician and it won't be the first time that someone has inadvertently changed that setting. If it were me, I would be asking to speak to someone further up the tree.

Do you have a manual? I see that there are various downloadable manuals on the internet. However from what I am gathering Lorna has steered you in the right direction as holding down the function key for three secs unlocks the functionality and from there you can make changes to various settings. Hopefully someone on the forum can help further.


Barbara Anne
April 16, 2018 03:22PM
Try tapping the F. It will probably change to a C. Or maybe even a K (for Kelvin). If so, just tap until the right letter appears. The thing is, you mustn't be afraid of modern technology. It's not going to jump up and bite you. It may just need a bit of lateral thinking to get where you want to be. Try all the usual 'computer' manouevers, tap and hold, tap, tap again, tap twice quickly (double tap), etc. I haven't got an HRV but I have got a smartphone and all these things have different effects in different places. You can't lose by trying them.

Failing that, download a temperature conversion chart and refer to it to set the temperature you want. You could even write down the equivalent temperatures and keep it handy. If you're anything like me, the range will be small, between say, 18ºC and 24ºC. Look here: []

Edited 2 time(s). Last edit at 04/16/2018 03:33PM by Lorna.
April 17, 2018 12:09AM
Thanks for your help Lorna. Will persevere.

The sad thing is that everyone I mention HRV to, says things like “don't talk to me about them”. So it is not just us, you would think a big firm like that would be anxious to preserve their reputation. I filled in the on-line form once again - no response and the 0800 number is to the sales team who say they will get someone to call.

Needless to say when we downsize our house soon we will not be installing their ventilation system, if the next house needs one.
April 17, 2018 04:08AM
I'm very interested to read of your issues with HRV, Ali. We're contemplating putting a ventilation system in our house, and had no idea where to start on brands or styles. HRV had been on the list because of it being a "big" brand, but if their after sales service is non existent, I don't want to go anywhere near them.

I hope you resolve your display somehow!
April 18, 2018 12:06AM
Good news! I filled in an online contact form and stressed the fact that I was “elderly” - that's a matter of opinion! I also told them we are not in a position to upgrade the system - joy oh joy - they phoned this morning and helped reset everything over the phone!

We have now locked the keypad so no more fiddling can happen!

Thanks for your input and encouragement.

I will now return to lurking!
April 18, 2018 01:28AM
No, don't lurk, Ali W. Join the conversation, often. I'm sure you've got interesting comments and opinions. spinning smiley sticking its tongue out
April 18, 2018 04:18AM
Glad it's all sorted for you Ali W.
And I didn't know what HRV was here in Adelaide so Googled it and got Heart Rate Variability lol.
April 18, 2018 06:34AM
Ali, Just to let you know I'm not ignoring you, I'm trying to reply to your PM, but I'm having problems with that Captcha spam prevention thing. It won't work so I'll email Helen and let her know.
April 18, 2018 07:28PM
So glad they finally did the right thing by you, Ali W. So many companies seem all too ready to jump to attention when they want to sell something but their after sales service seems to be lagging behind. In my mind it's the putting right that counts.

Incidentally, we have had a DVS system for many years. We upgraded a few years ago and haven't regretted it. Apart from one little hiccup, which they promptly fixed 'touch wood', everything has been fine.
April 18, 2018 11:51PM
Yes Marnie, I have only heard good things about DVS so guess which firm is top of my list now!

Thanks for your input.
April 26, 2018 12:32AM
Jenna, if you're considering a ventilation system, I can recommend Sayr. I did heaps of research before picking a system and am very happy with my choice. One of the things I learned is that it's all about the controller and Sayr's is very good. Some only distinguish between whole degrees whereas theirs distinguishes to one decimal point - I couldn't imagine why that would be important until I got one! I also agree that you should avoid HRV like the plague. Not only is their afterservice poor, they are notorious for their high pressure sales techniques. My mother had them round once and couldn't get rid of them for more than three hours. One thing to watch out for with these systems is that how effective they are depends very much on the type of house you have. I have a villa with very poorly fitting windows (I can enjoy a refreshing breeze without opening them) and as a result the system works incredibly well for me. If you have a more modern house with better fitting windows, however, it won't be nearly as effective.

Edited 1 time(s). Last edit at 04/26/2018 12:33AM by CarolynC.
April 26, 2018 02:38AM
Thanks, Carolyn, that's good to know. I'll add them to my list.

Our house is a 1996 Keith Hay home, very plain, with standard aluminium joinery. We have insulated ceiling and floor, but have a lot of condensation on the windows, despite never drying clothes in the house and using 2 dehumidifiers in winter. The dryer and cooktop are vented to outside, bathrooms have fans and windows are opened, but raining windows, sigh. Another reason we want to look into it is as a heat transfer system too, moving the heat from the living room with the woodburner, to other rooms in the house. It's a small place, only 130m2. I've lived in an old vila where you could see through the gaps in the joinery, we had central gas heating in that house though, and that certainly helped. There was a 6w period one winter when it wasn't working though, and life was miserable beyond belief. There was no woodburner and no electric heater would heat those huge rooms with such tall ceilings and all that unwanted fresh air!
April 27, 2018 07:11AM
Jenna, yes, that's my villasmiling smiley. In the winter (I work from home) I have a 2 kW heater on and still have to wear full thermal underwear, gloves and a hat. It's usually much warmer outside. I've struggled to come up with a heating system that will work without bankrupting me, but after 27 chilly winters here I'm hoping this year to put in a single heat pump just to heat the large open area where I work. The Sayr system has helped however as it was incredibly damp before and now isn't at all, and that makes it feel a lot warmer. I couldn't call it a heating system but it does raise the temperature by a couple of degrees. As you have aluminium joinery, if you haven't already I do suggest you talk to people who have a system with aluminium windows fitted to be sure it'll work for you. The systems are fantastic for condensation (I don't have any at all now) but there does have to be a way for the air to depart for it to work. Heat transfer I can't comment on as I don't have any to transfersmiling smiley.
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