Controls to provide Heating and Cooling via UFH circuits
Hello,
Second post after my intro post.
I am after some advice on controls, that is the wall mounted roomstats and manifold control box, and their availability. Is / Are there control systems available that use roomstats to provide heating or cooling via the underfloor heating circuit? Heat compensation systems aren't going to be suitable unless they have been described incorrctly to me.
I am a Building Surveyor and recently we have completed a conversion of an office block into flats. The [performance] spec called for air source heat pumps to provide hot water, heating and cooling (via a zoned, encapsulated pipe system). The pipes are within a sand cement screed. There are no radiators. Each flat has four zones, a direct hot water cylinder and a single external unit.
Prior to asigning the the contract we were informed by both manufacturers and installers that this was possible. Now the moneys been paid, cooling isn't possible and never was, we are told.
An air conditioning installer believes they can modify a/c controls to provide this. Before going forward with this bespoke solution, is there already something on the market?
We understand that the hot water will need to revert to the immersion heaters during cooling. Also, it would be great if it wasn't a 'smart' system like Nest or similar. Not because there is anything wrong with these types of systems, the flat are rentals and a smart system would require either a communal internet service (which tenants may object to) or for the system to be off until incomming tenants sort out an internet provider.
Thank you in advance. At some point I'll post about my own requirements and PV issues 😀
Welcome to the forum.
Below are some suggestions that you may wish to consider, but please do your own research and due diligence.
Are you considering a monobloc or a split ASHP system? A split system may allow the use of indoor fan units, as used for AC systems, to be used for cooling. The refrigerant gas from the outdoor unit can be used for heating via a indoor hydro unit, or cooling via a indoor fan unit, a diverter valve directing the refrigerant gas one way or the other as required. Whilst it may in theory be possible to cool using UFH, there is always the risk of condensation forming.
One of the forum members recently posted about a hot water cylinder which has a small inbuilt heat pump positioned on the top, which should prove much more efficient than heating water using an immersion heater. The main requirement is that it needs two (I think 100mm or 150mm) ducts to the outside for air flow to and from the heat pump.
An alternative if you have room would be solar PV panels and a power diverter to help provide hot water.
Hello, thanks for the reply. To clarify, the installation is already been done. Each flat has a single external unit - monobloc. The floor pipework is installed. The flats are occupied. Cooling isn't a priority at the moment 😀
We are seeking a solution to replace the installed roomstats so that the the UFH can provide heating or cooling.
- 26 Forums
- 2,149 Topics
- 47.1 K Posts
- 26 Online
- 5,667 Members
Podcast Picks
Latest Posts
-
RE: Electricity price predictions
Exactly this! It's far easier to throw mud than to of...
By Old_Scientist , 19 minutes ago
-
RE: How Do I Know When the Hot Water Has Run Out?
@transparent that is a very interesting suggestion, tha...
By GrahamF , 29 minutes ago
-
RE: The good, the bad and the not that great – my heat pump installation
Sorry to resurrect this thread, but it is sort of relev...
By cathodeRay , 2 hours ago
-
RE: is a home battery without an EV worth it?
Hmm. I must admit at least one of our car purchases w...
By Majordennisbloodnok , 3 hours ago
-
RE: A Customer's Lessons Learnt from a Heat Pump Installation in a Large House
I have heard of many people with a weakness for new car...
By JamesPa , 6 hours ago
-
RE: Getting the best out of a heat pump - is Homely a possible answer?
I missed your 22nd June post on this. I am sure it can ...
By cathodeRay , 10 hours ago
-
Now posting on the right topic.... With general build...
By benson , 11 hours ago
-
RE: How to waste energy (and time) playing with AI.
I’m sure like many software toys that it is addictive! ...
By Judith , 11 hours ago
-
RE: Does anyone have experience of a smart water meter?
@judith With Anglia Water it was a compulsory upgr...
By TechnoGeek , 23 hours ago
-
RE: Balancing financial efficiency and comfort using the Octopus Cosy tariff
We’re high energy users other than the ashp so the OVO ...
By Judith , 24 hours ago
-
RE: Who's your electricity provider and what's your tariff?
I’ve looked harder now (beyond OE’s site) and it’s not ...
By Judith , 24 hours ago
-
RE: Midea ASHP – how to set weather compensation
Something isn't right here, you don't design ufh to wor...
By JamesPa , 1 day ago
-
RE: What crazy nonsense are inverter limits and why are they imposed?
No I'm not mining anything @drei but I am doing R&...
By Transparent , 1 day ago
-
RE: Rodents! A word of warning for heat pump owners
Wasps caused frequent tripping of my lighting circuit a...
By JamesPa , 1 day ago
-
RE: Ecodan & MelCloud scheduling
Yes, the 2 are separate. To add to the complex desig...
By HCas , 3 days ago
-
I should clarify that the FoxESS web interface is not l...
By Old_Scientist , 3 days ago
-
RE: Mitsu Wireless Controller and MelCloud
@robs Hi Rob, At the end of a note to Mitsu UK, thank...
By DavidAlgarve , 4 days ago
-
RE: Why so many sigenergi installer recommendations?
@adamk Tesla is a great option, it’s also one we instal...
By SAEnergy , 5 days ago
-
RE: Flexi-Orb Heat Pump Scheme: A Game-Changer for the UK's Heat Pump Industry
As a potential heat pump customer, it would be good to ...
By Temperature_Gradient , 5 days ago
-
RE: Heat Pump Books For Beginners – Bodge Buster & From Zero To Heat Pump Hero
The Ultimate Guide to Heat Pumps is less than a month a...
By Mars , 5 days ago