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Hello all, I should start off by stating that I'm not in the industry - I'm just a DIYer with a "what-if" idea.
Hybrid systems and solar diverters are nothing new, but as far as I can see the current hybrid systems all require a change of boiler and I'm going to propose a system which could use...
Helping to audit an electric-only house with ASHps -NIBE kit installed into the new house in 2012.
2 ASHPs outside -each F2015.
I put on some monitoring of their electrical usage -each takes 40W night and day 24/7. It's August so they are off 99% of the time: but when off, still use 40W...
Hello,
I hope somebody may be able to help. I have a ecodan heat pump system and have no hot water. The controls are set correct but the light for the boiler is blue. Anyone know what I’m going wrong please?
Thank you!!
Hi, Our church is consdering replacing our old gas boilers with modern condensing ones. We would like a hybrid system involving the use of an ASHP. Two of the contractors that have supplied quotes for the work have suggested that we wait for a while on the ASHP as the prices are falling...
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Hi all, my parents have had an air source heat pump installed a couple of years ago and have recently started undergoing refurbishing the house and have had several radiators removed and repositioned, can anyone help with regards to how to top up the system as I know that it has to have a glycol...
Hi all.
Does anyone know of a small water heat system that I can attach directly to the back of my log burner, in my living room, that can conduct the heat (by contact) of the log burner and flow the hot water to a panel radiator in another room (e.g. conservatory)?
I only want a very simple...
What are the factors that determine the life of a water tank? Obviously the quality of the water and the materials used to construct the tank are important. But beyond that I'm fuzzy. Is it just the number of gallons of water that pass through it? The number of "fresh" gallons of water that...
I'm building a new house and I have no idea what option to chose for heating/hot water! I've looked at biomass/pellet boilers, electric combi boilers, air source heat pumps and solar panels(combined with an electric boiler) After doing a lot of research (and not understanding some of the...
Hi all. I have an Isoflo CL170 cylinder with good few years life left in it in my system which has performed trouble-free other than the odd new immersion element. I'm getting a new ASHP fitted and the installer is recommending scrapping the Isoflo and replacing it with a Secon Trade Heatpump...
Has anyone installed / worked with air-to-air heat pumps?
I wonder if their running cost is also high?
There’s no information on running cost and even the people handling the funding pots for Air source heat pumps, are not aware of the costing.
I'm getting so sick of the media and tories plugging ashp's like they are the solution to all our heating needs.
Latest news today, £5k grant towards the cost of replacing a gas boiler with an ashp. What a joke.
Every ashp system I've worked on and installed runs the heating at 40 degrees...
Just wondering if anyone has even seen an issue with the pressure gradually increasing on a closed loop system where there is no fill loop attached. I'm seeing this issue on a gshp and whats more unusual is its on the cooling side. If it was on the heating side you could put it down to expansion...
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Hi, I have a log burner and oil fired boiler feeding into a 'dunsley' neutralizer tank. The system (gravity fed) has worked fine for a number of years, except that it can take 20 to 30 minutes for the rads to get hot first thing in the morning and burns a lot of oil in the process.
I am thinking...
Hi . I am a DIY trying to reconnect my wetback and solar hot water panels I have had a horizontal outdoor water cylinder made up . Most of the connections are straightforward but I am not sure about the vent at the top . On the old one there was a 2 meter vertical open pipe but I am not sure...
Interested on thoughts on this (I've also posted on another forum but thought this might be a better place to ask);
Long time lurker, have gleamed some great knowledge from this site, finally signed up as I cant find an exact answer to the below. I'm not a heating engineer, but an electrical...
How can I top up the antifreeze in an ecodan air source heat pump installed 10 years ago?
Evening all, I have a customer that is looking to upgrade their current system. Typically I gave them a wealth of installation options last time but they didn’t think they’d change too much.
5 years down the line now they find themselves with an old old boiler that is in need of upgrade and a...
Hello,
We were due to have an air source heat pump installed on a grant scheme on Monday, with radiator size upgrade, but retrofitting using the existing pipework.
The calculations have been done to show it's viable etc...
However their engineer has just (!!) looked at the photos taken by the...
I had solar thermal installed recently, the system is a viessmann and goes with our viessmann boiler. The controls are on the boiler, seems to work well.
I spoke to viessmann technical after the install and they and the install advised to change the water heating from the boiler to only come on...
I have a head height problem for the storage tank and needed a solution that would allow the monobloc to heat from the bottom of the tank
I have now sorted the issue with 2 tanks in series, both single coil
The smaller one has solar heating and this then provides cold, warm or hot water to the...
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