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Found 5 results

  1. Hello all, I stumbled on this forum as part of a search for information about SunAmp batteries. I’ve spent a bit of time reading other threads on the topic and this seems to be a friendly and helpful piece of the internet. I’m on a quest to reduce the CO2 generated by the 3-bed 1960s semi (approx 98 sq m) where I live with my partner (no kids). We’ve insulated the upstairs, added some loft insulation, upgraded the double glazing and last year, we installed 5700W of solar panels and a Tesla Powerwall 2. I’d estimate we generate around 5000kWh a year from the panels, and export around 3000kWh of that. We’ve got our grid electricity usage down to about 500kWh per year. The biggest element of this being our electric shower (the Powerwall can only ever supply 5kW of the 10kW load). Gas is used for heating and hot water via a 15 year old Worcester combi-boiler - which I’m guessing is nearing end of life. Our gas usage is fairly low, but I’m looking to reduce that next, from the current 5000kWh per year (more when we have a cold winter). I'm not planning on replacing the gas boiler, meaning we'd be 100% reliant on electricity for heating and hot water. We’re on a deemed solar export tariff, and I’m looking to use as much of the energy generated as possible. I’ve also recently begun the switch to Octopus energy to take advantage of their Agile tariff, so it might be possible to shift much of our current gas energy usage over to electricity - but what would be best for us? GSHP not an option here (small garden) ASHP may be, but I’m conscious of the effort and cost of installing Underfloor heating. Air to Air an option? Right now I’m thinking a SunAmp for the hot water, or could the Uniq 12 supply our heating and hot water? Maybe we could supplement that with and a couple of electric radiators in the lounge and bedroom to keep us warm on demand? I’m not sure if that would be what we need especially if we have a long cold winter like last year (I’m on the South Coast of England). I would be grateful for any thoughts from anyone who has done similar or knows more than I do about these things. With thanks, David.
  2. I was just lloking into the different systems available for heating/Hot water. Some Great systems are used by the members on here and I am tempted to use a Genvex Combi like @PeterStarck as it seems amazing logical to combine it all with the MVHR. However, i just found this : https://www.youtube.com/watch?v=qyQRTg7Gpw8 It seems an incredible good system, even though not including the MVHR , but still a very good, space saving method which seems easy to use/install. Website is in Norge https://www.polarenergi.com so anybody wanting a look might need to look at their NZ distributor as I couldn t find UK or even US website http://polarenergi.co.nz Anybody on here ever looked into this? Is it a good system, or not really worth the trouble ordering from Norway as similar exists in the uk(which ones>? )
  3. We have an open vented central heating system with gravity fed hot water. For reasons over which we will draw a polite veil, we (well 'I') drained the radiators, refilled them, flushed out what I could: and ............made the heating problem worse. At the very best time of year for that to happen. So, in a fit of rage and frustration, I re-drained the complete system took all the radiators off and, at long last, discovered what the problem is. I don't know what I'm doing. Anyway, here's the thing: 's gonna get cold in the next few days and I'd like to stay married. The 'boiler' is a multi-fuel fire. It has a back boiler which is now empty. Please tell me I can light the fire anyway, even though there's no water in the heating pipes. In other words use the fire as a simple space and running hot water heater...... If I can't there's a nice warm hotel right next to where SWMBO works, and .... well you can guess the rest.
  4. For those interested apparently tonight's episode on grand designs has a Sunamp system in the project
  5. Hey there everyone, my name is Elliot Wilson and I am the current Technical Blog writer for Sunamp. I am with Sunamp for 12 weeks as part of an internship. During my research into the company I have found posts from the CEO (Andrew Bissell) on the predecessor to this forum, ebuild.com. I am hoping to start up discussions with people who were engaged with Andrew previously. Notable users include: jsharris, recoveringacademic, DamonHD, ProDavie, SteamyTea, notnickclegg and Nickfromwales, among others. I am also hoping to post articles that will be published on the Sunamp webpage. I have been talking to one of the moderators, have been informed of forum policy and have familiarised myself with the T and C's. If I still transgress any rules please let me know. Articles have already written and so it is just a matter of when I want to post them. Article details include: phase change material (SunampPV, latent heat) vs alternative thermal storage (water tanks, sensible heat), a case study of an employees house who has data analysis software which monitors things such as exported, stored and generated electricity amongst other things and (slightly unrelated to Sunamp) a comparison of the Tesla Powerwall 2 vs the Sonnen Eco 8. There will be more. Any questions people want to ask they can contact me through this. Cheers Elliot