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Heat Pumps: the Future of Home Heating technology connections

by onliNEmmOAZ



यह इतना ठंडा है कि यह गर्म है। भाग 2: मैंने इसमें बहुत सारे पुराने वीडियो का संदर्भ दिया है। यहाँ वे हैं, क्लिकिटी लिंकिटी फॉर्म में! छाती फ्रीजर; पुराने जमाने के चावल कुकर के लिए डिजाइनिंग के बारे में वे हमें जो बताते हैं, वे बेहद चतुर पुन: प्रयोज्य हैंडवार्मर हैं जो ठंड से गर्म हो जाते हैं मैंने फोर्स्ड-एयर फर्नेस: द व्हाट, व्हाई, और कैसे और पोर्टेबल एयर कंडीशनर – आपको क्यों चाहिए’ का संदर्भ दिया। टी उन्हें पसंद नहीं है टेक्नोलॉजी कॉन्नेक्स्ट्रा (दूसरा चैनल जो सामान कभी-कभी चलता है): ट्विटर पर प्रौद्योगिकी कनेक्शन: टीसी सब्रेडिट यह चैनल पैट्रियन पर दर्शकों के योगदान के माध्यम से समर्थित है। आप जैसे लोगों के उदार समर्थन के लिए धन्यवाद, प्रौद्योगिकी कनेक्शन स्वतंत्र और संभव बना हुआ है। यदि आप उन अद्भुत लोगों से जुड़ना चाहते हैं जिन्होंने अपना समर्थन देने का वादा किया है, तो नीचे दिए गए लिंक को देखें। आपके विचार करने के लिए धन्यवाद! और निम्नलिखित संरक्षकों को धन्यवाद! क्रिस्टोफर बीट्टी, हेल्प मैं ड्राइविंग लाइसेंस फैक्ट्री रॉबर्ट्स, सैमुअल किरजनर, डैनियल प्रिचर्ड, ब्रैंडन टॉमलिंसन, एरिक लोवेन्थल, जेरेमी सैमुअल्स, मैल्कम माइल्स, डेविड एल जोन्स, मैथ्यू बर्केट, एंड्रयू रोलैंड, स्मिथ8154, केनेथ सीवर्स मोलर, जैकब में फंस गया हूं। काम्फौस, स्लीसडेक्सिया, हर्ले पॉटर, टॉमी मैककार्थी, एंड्रयू बोबुल्स्की, ऑन आइस पर्सपेक्टिव्स, द ग्रेटको, पेटेरी होजॉर्ट, डैनियल डेलेज, नाथन ओबुचोव्स्की, शॉन पुज़ोन, ब्रेट होम्स, वाइकॉप, केसी ब्लैकबर्न, डेवोन हॉजसन, ज़िम्पन, फिल्म निर्माता आईक्यू, आईक्यू, आईक्यू, आईक्यू, आईक्यू। टीजे ज़िएंटेक, वर्नोन, टन ब्रांड्स, स्कॉट राइट, कोरी हॉवर्ड, रेज़ोनेंट, थानासिस डिमास, एडम क्वार्टारोलो, मार्क ग्रोनडिन, हेक्सद ड्रैगन, क्रेग कोलाई, डैनियल बैरेरा, मार्क स्ट्रैडलिंग, पीटर सोडके, डी डब, जोसेफुगे, क्रिस्टियन स्कीब, एंड्रयू। लिएंडो, निक, द मास्टरपीस, स्टर्लिंग, क्रिस कोडी, जेसन पोर्टवुड, चाड फर्टिग, जोसेफ हौटलिंग, बेन टुकी, जोश ब्राउन, जो जॉनसन, डैनियल डगर, क्रिस्टोफर लोवेल, ओलेग कोर्सुनस्की, माइकल साची, अली एलम , डैन एलन, जेनबैंग जिओ, जेसन वॉटसन, मार्कस तोवारा, बार्की डॉगगो, एक्ट्रा, मार्टिन एम्बेह, रीड फिशलर, डैनियल मेघेर, जोएल, क्लेमेंस, बिल बेट्स, सेंट्रोनियास, डेनिस वॉल्श, एलेक्स वॉरेन, पॉल रॉबिन्स, माइकल गर्नोथ, कैनियनएमआईडी। लेस, कीनन फ़िनुकन, इयान क्लैंटन-थ्यून, रयान प्रैट, पॉल न्यूटन, ग्रेग गोल्ड्स, थियो कीलर, टायलर अल्बेरिको, बेन रैटनर, वाइल्डमार्टिन, पॉल शार्प, क्रेग ब्रिकी, ज़िडी, ब्रैंडन, कार्ल कोर्नेल, डेनिला फेड्याशिन, एडम, पैट्रिक माजवेस्की , रयान काम्हुइस, डब्ल्यूबी, एम्बिएंट सियान, सैम कैलेंड्रा, वोल्फगैंग ग्श्वेन्डनर, जोज़ेफ़ सोकोलोव्स्की, विल प्रेस्टन, क्रिस्टोफर ओल्सन, रेक्सराथ, कोर नीलसन, स्टीफन अमर, ब्राइस, एंडी 24x, डेविड जेरोस्लो, चार्ल्स मैकडोनाल्ड, टिम जोन्स, क्रिस इको 762। मुडगे, रेमंड कॉउट्स, इयान स्पेंस, जॉन डी विट, माइक ए, एलेक्स डॉज, हिप्प1एग्यू, जस्टिन डेरलेथ, एल जेफ, नियोन725, एमिली ईसेनबर्ग, मार्क क्रिश्चियन, डायलन लेब्लांक, बार्ड, मेगन लवेट, एलजीआर, नॉट्सिन वुल्फ, माइकल रीगल, पॉल कवानाघ, इसहाक क्ल आर्क, सीन हेरेल एल, सेलेक्ट्रिक, कीथियस, जूलियन हल्डेनबी, सेब बाकानू, मौरिसियो, हंटर थॉर्नबेरी, ऑस्टिन सी बोर्गर, गेब कुक, अनापन, हॉजकिन लेब्लांक, माइकल पैट्रन, सोनिक ईथर, माइक क्विक, कैलिस्टो, एडम, लुकास, माइक्रोसेर्फ, डैनियल क्राउट, जॉन डी लार्जेंटेय, लुका सैनज़िन, पीटर हिलियर, पीटरएच, विलियम होल्ट, एथन हैमेल, ग्रांट कैम्पौ, एल्स, माइकल डन, केनी, रिचर्ड हिक्स, एटलस पुप, लेवी मैया, माइक रोच, साइमन जेनसेन, जॉर्ज कैबलेरो, मैथ्यू श्वार्ट्ज, जीएस, आशका, मिस्टर यान, मैथियास फीस्ट, रेडआर0जे, एडन सी, थॉमस फुच्स, मार्कस वुस्ट, एलन हॉलैंड, डैन बोल्डेन, फिरोज दलाल, डेविन रोसेंथल, रे हार्डमैन, जी कोवेल, केविन हैमिल्टन, चेस टार्सन, क्रिस डी’अरपा, मार्शल कर्टज़, मैट गोल्डमैन, हर्फ़ ड्यूर, शॉन मॉरिस, मिगुएल गोंजालेज, ब्राइस ओनटिवरोस, केनेथ ए क्यूसन, जॉनथन रीले, चार्ल्स कॉर्बिन, साइमन एरो, ब्रेट वाल्टन, मार्टिन श्रोडर, जॉन वैन अट्टा, लेकवॉक 3 आर, हेडन मैकफी, डैन माकू, मार्क इंजर्ड , पॉल डेमर्स, माइकल सैंडलर, जैकब हैरिंगटन, क्ले, बेंजामिन डेमिंग, थोरबजर्न मेये r, एबेन लोव, M1GEO , माइकल केग्लर, क्रनो , कॉलिन मैकडोनाल्ड, श्लोमी बोरोविट्ज़, क्रिस्पिन, जान बोरचर्डिंग

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Heat Pumps: the Future of Home Heating

Heat Pumps: the Future of Home Heating

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Heat Pumps: the Future of Home Heating
technology connections
आप हमारी वेबसाइट पर केवल ऑनलाइन पैसे कमाने के तरीकों के बारे में सबसे पूर्ण और विस्तृत जानकारी देख सकते हैं: यहाँ और देखें
आप हमारी वेबसाइट पर केवल ऑनलाइन पैसे कमाने के तरीकों के बारे में सबसे पूर्ण और विस्तृत जानकारी देख सकते हैं: यहाँ और देखें

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30 comments

Technology Connections 23/01/2022 - 4:59 Chiều

Hello! Here's a comment with some extra info on efficiency and the metering devices used in heat pumps.
First: my wording on the efficiency drop in the cold was sloppy, and it sounds like I'm suggesting the need for defrosting is the only reason it loses efficiency. It is a reason, but not the biggest one – that's simply that as the outdoor temperature gets colder, it's harder for the refrigerant to absorb heat because the temperature difference between it and the air gets smaller. In fact, in the clip when it was -10°, it wasn't building much frost at all because it was very dry. But that was so cold that the refrigerant could barely capture any energy, which is why its output was tepid. And to be clear, its rating down to 5° doesn't mean it operates at full efficiency at that temperature. That's just the lowest temperature that it can sustain its rated heating output.
Re: metering devices. I still somewhat suspect that the mini-split has a capillary tube and largely because of its cost. It was surprisingly inexpensive (this unit was about $1000, but the smallest units from this same manufacture only cost $750 and are fully capable heat pumps). If you use a thermal expansion valve or similar, you need one for each direction which adds to the system's complexity somewhat. I'd still argue that it hardly does – it is, after all, one or two small components of a large system. But simply reversing the refrigerant flow doesn't work on its own in systems that use these more complex metering devices. They'd need some additional piping and valve work (some such valves were visible in the demo rig) to accommodate two metering devices for each direction of flow.

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Ted Apelt 23/01/2022 - 4:59 Chiều

The future? Are you kidding me? We had these in my home when I was a small child growing up in Miami in the 1960's. I suppose your next video is about how microwave ovens are the future of cooking?

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Depressed Hombre 23/01/2022 - 4:59 Chiều

As a child being told how ACs work by my father I thought “why can’t we do that in reverse, surely the refrigerant can be made colder than the outside air” but I was told that’s “not how things work”

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Dave Johnson 23/01/2022 - 4:59 Chiều

Absolute Bollocks, If you know anything around refridgeration you know this is just another pile of crap to grab your money to make you feel like you are helping the environment. This comment is going to be deleted because it doesnt fit the agenda. check the tech yourself.

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Michael Mounts 23/01/2022 - 4:59 Chiều

I live in Chicago (as I think you do) and it is a very expensive technology for use in weather like we’ve been having this week. A 5 ton unit is only putting out about 60,000 btu max at temps above 32F. We live in an old victorian that has a 120,000 btu on first level and supplementary unit on second floor (mainly for air handling) At Com Ed prices —a 5 ton unit cost .77 per hour to run…($1.44 per hour fir two) but at temps above 32.

Back in the 80’s…it was common to run ground lines 6-8 feet below ground to take advantage of the comparatively much warmer soil temp—a very expensive proposition to install. Having said all this…nat gas prices are skyrocketing here …so who knows.

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Riley Nexus 23/01/2022 - 4:59 Chiều

On minisplits the metering device is an electric expansion valve (EEV/EXV) and it’s located in the outside unit, so the liquid line is theoretically not the liquid line. A capillary Tube is actually not precise enough for AC Systems, and they’re only used in Fridges and freezers and a few other low power coldmachines because it can’t act quick enough when conditions change and also isn’t able to deliver the very tightly managed superheat of about 1-3 Kelvin which Split ACs are designed for.

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NANOC Ofocclo 23/01/2022 - 4:59 Chiều

BINGO – IDEAL CONDITIONS!!!! What percentage of the existing structures have IDEA CONDITIONS?

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joeyf504327 23/01/2022 - 4:59 Chiều

hmmm.. yes, burn fossil fuels @ 30% efficiency for electricity instead simply use a 95% furnace… Yes, big brain time.

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Mike Znel 23/01/2022 - 4:59 Chiều

30:30 they're not common up north because, you said it, they don't work well in the extreme cold. There is a lot more cold weather areas than I think you truly understand. That and we just don't have the readily available, AFFORDABLE and reliable technology/equipment yet. Give it a few decades, well have them. Also, you talk about climate change (the climate is always naturally changing) don't you think a billion heat pumps blowing colder than ambient air air back into the environment, wel will have some type of negative effect on our ecosystem? Same with ac. There is an unwanted effect from a billion ac unit pumping hotter than ambient air out into our ecosystem. We don't need to be at 80 degrees in the winter and 50 degrees in the summer. Thats why we have all the environmental issues we have. People who need the luxury of climate control constantly.

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Mike Znel 23/01/2022 - 4:59 Chiều

If you find this interesting, your mind would be blown if you found out some refrigerators work on a flame from propane or natural gas.

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Ethan Aerni 23/01/2022 - 4:59 Chiều Reply
Ethan Aerni 23/01/2022 - 4:59 Chiều

It boosts engagement!

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advsoft 23/01/2022 - 4:59 Chiều

mate, you are awesome (but you probably know it already)

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Wilbur Jaywright 23/01/2022 - 4:59 Chiều

‘Scuse me…

We’re in Kentucky, and we have a reverse cycle air conditioner. Always have. Got it 15 years ago. Just remember not to turn it up past 2 degrees higher than what the current temp is or it’ll kick in the electric heating aka “emergency heating” and draw a BUTT TON of amps. What I’m saying is that heat pumps are really awesome, TYL, but they’re not new around here.

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Jean-Pierre De Vent 23/01/2022 - 4:59 Chiều

I am thinking about this: the refrigerator freezes a big quantity of cooling elements. Once they are frozen they are put outside where they melt. At the same time the freezer is filled with another batch of already defrosted cooling elements. Since the melting of the cooling elements happens with outside heat, one wins here energy too. I guess not that much and if it's freezing outside there will be little heat won from the melted but still very cold cooling elements.

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Alfredo Ricciardo 23/01/2022 - 4:59 Chiều

In South Australia the trend is towards all electric homes with large solar PV arrays on house roofs, battery storage, heat pump hot water systems (replacing gas) and inductive cooktops (replacing gas). Ducted Inverter reverse cycle air-conditioning has been the standard for years. Heat pump hot water is produced during the midday solar PV peak utilising home generated solar energy. The driver is financial, home generated and grid-scale renewable energy is cheap, gas-fired power station electricity is becoming expensive as the international price of gas rises.
10 below zero challenging heat pump house heating performance, try 46C (115F) challenging heat pump house cooling performance.

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Mr Sonor 23/01/2022 - 4:59 Chiều

"the Future…" you must be joking! Are you that far behind in the US? So stupid.

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Anton Kring 23/01/2022 - 4:59 Chiều

I'm in Ireland. I have a heat pump that works as air conditioner in half of my rooms. I have also a natural gas boiler as the main heating system. Also I have a solar system to heat water.

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Kuptis 23/01/2022 - 4:59 Chiều

Many of us still have natural gas as the only heating method. In my case I have an old Dearborn wall heater that can heat the whole house although struggles when it stays very cold especially when we had that over week-long freeze in February last year here in Texas. I also run the bathroom heater which is also natural gas which helps the main unit in that part of the house. My AC in the summer is a very large window unit for the whole house that is big enough to cool the house to a more comfortable level. I just have to let my body adjust in both seasons so I'm not spending a lot more on energy costs.

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Perilous Hydrous 23/01/2022 - 4:59 Chiều

Ah so that’s why my dads chest freezer is always warm on the outside. Interesting

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Men Guarding Their Own Wallets 23/01/2022 - 4:59 Chiều

It works great until the temperature gets down to -20F, at which point you have to switch to resistive electric heating (or use some type of fuel like propane/natural gas/or fuel-oil) since the heat-pump technology effectively stops working at around -20F. But that's only a few days per winter, so just have a stand-by system of pure-electric heating available (baseboards) and that will work just fine for those 5 to 10 days of the year.

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sterling oldemeyer 23/01/2022 - 4:59 Chiều

Metering device for heating mode is actually located inside the outside unit. The indoor metering device either gets pushed out of the way (piston metering device/ fixed orface) or opens fully as on a TXV.

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sterling oldemeyer 23/01/2022 - 4:59 Chiều

In the mini split heat pump the metering devise is in the heat pump outside. There is no liquid line. On line is a saturated vapor line the other is a vapor line. This is why both lines have to be insulated. Evaporation begins immediately after leaving the heat pump before it reaches the evaporative coil.

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Hero-America 23/01/2022 - 4:59 Chiều

Wouldn't it make the air around the pump extremely cold I can imagine they'd just collect ice in winter

So probably a ground or water heat pump is more practical for winter conditions

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Dennis T. 23/01/2022 - 4:59 Chiều

Under Ideal conditions, but I suggest a backup system if you live in a very cold area. When in the middle of a blizzard the outside unit fails, there's going to be no heat for a while.
Areas where winter is short or of moderate low temperature, a well insulated house coupled with a heat pump is the best system. The best of all is a well insulated home with ducted mini split multi zone system.

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monkfoobar 23/01/2022 - 4:59 Chiều

This is propaganda

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monkfoobar 23/01/2022 - 4:59 Chiều

natural gas heaters are more efficient. Using that gas to generate electricity means the heat pump is even MORE inefficient.

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monkfoobar 23/01/2022 - 4:59 Chiều

Why does my energy bill skyrocket when running the air conditioner during the summer? Now with a heat pump I can pay that rate year round.

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tharealmb 23/01/2022 - 4:59 Chiều

Watching this again as I'm getting a split unit installed quite soon.

Here gas was very cheap too… But right now it's not anymore (Netherlands, Europe). Right now I still have a reasonably cheap contract and with that a COP of 1.71 or higher means cheaper heating…..

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HiVizCamo 23/01/2022 - 4:59 Chiều

28:00 "Auxiliary heat" That is: "To remedy the failures of this product, please resort to the product you thought you could avoid using this whole time." Owning and maintaining two complete systems, one to back up the other, would complete obliterate any potential energy cost savings, no?

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