There is a problem with heat pumps. Here it is....... скачать в хорошем качестве

There is a problem with heat pumps. Here it is.......

There is a big problem with heat pumps and it’s us. We are addicted to gas – It’s what we’re used to, we know how it works and we rely on the immediacy. Then comes along the slow moving heat pump. And it just doesn’t deliver in the same way. We work with it as we did with the gas boiler, then get disappointed and say it’s the fault of the heat pump. Read more about retrofit in my book: Beginner's Guide to Eco Renovation https://amzn.to/3EOBHjM For the past four years we’ve used our heat pump as if it was a gas boiler. In fact it still worked well for us and we were saving 75% of our energy usage – but now I’ve discovered we could be doing even better. The main difference is nothing to do with the heat pump and everything to do with our mindset and how we manage it. Think of the gas boiler as a high maintenance partner. Living with it is full of drama. When it’s working well, life it’s brilliant. Heaven help you if your routine changes. Temperatures run between 60 and 70 degrees and we use thermostats on radiators to get the house where we need it. It’s familiar. And familiar is reassuring – at least you won’t have any surprises. But there is one thing that might surprise you and that’s the Co-efficient of performance which is the measurement of efficiency. In a gas boiler it’s said to be 1: 0.9. Which means that for every pound you spend on your gas bill, you get 90p’s worth of energy back. In reality it’s more like one pound delivers 70p worth of energy. So what about the heat pump? This is your easy-going low maintenance partner. It’s always there for you, working in the background, making sure that the house is warm whenever you need it. You just need to trust it has hidden depths and let it run. One of those hidden depths is the co-efficient of performance. For every pound you put into your electricity bill, you get between 3 and 5 pounds worth of energy back. This is a no brainer. So whats the problem? The message about a heat pump is counter intuitive – for us to be warmer we need to turn the pump down. And to save money we need to turn everything on. Now that’s hard to understand, so we continue with gas thinking. So what do I mean by gas thinking We just have on the radiators we need, adjust the thermostats to give the temperature we expect to want and turn the whole system off at night. Gas central heating radiators heat up very quickly so we don’t have to worry about sudden changes in weather, we can just turn the heat up or down. What we don’t consider is the cost of heating the house up from scratch each time. That’s what we’ve come to expect since central heating came into vogue. Before that, the more efficient houses would have a back boiler behind the main fire which was never allowed to go out. I The heat pump is more like that old back boiler. It never goes off, it heats the water and the house but now it holds the whole house at a steady warmth. Sounds good, but we get freaked out that it runs at around 40 degrees and that we shouldn’t turn it off We don’t take in that running at a lower heat means the pump is always at its most efficient. And having the radiators and underfloor running full bore all the time, means that the air is heated, then the fabric of the house heats up which keeps the air heated. You end up with a pump that doesn’t have to work hard – so costs you less - and a house that is fundamentally warm. So the big challenge is adjusting our expectations We were delighted to just need the underfloor in the kitchen and two towel rails upstairs to keep us warm. We were using thermostats to adjust the temperature - daytime temperature, evening and nighttime. But then we realised this was costing us. We need to get rid of the thermostats - they reduce the efficiency of the system. We need to take out the extra pump on the manifold and add back the radiators we removed. The weather compensation has been switched on. This is a mechanism that enables the pump to adjust automatically to outside temperature so we don’t have to do anything when seasons change. And the temperature on the pump has been turned down to 40 degrees from the 50 we had it set at before. We’re not there yet. Still got learning to do, so follow along to find out how we get on. I’ll share what we learn as we go along. I’m fascinated to discover the impact it makes on our energy use. how efficient is a heat pump, the problem with heat pumps, should i get a heat pump, are heat pumps worth it uk, how much do heat pumps cost more, why dont people like heat pumps, will a heat pump heat the house #airsourceheatpump #sustainable #retrofit #energyefficiency how efficient is a heat pump, the problem with heat pumps, should i get a heat pump, are heat pumps worth it uk, how much do heat pumps cost more, why dont people like heat pumps, will a heat pump heat the house,