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How to compare heat pumps. In this video on heat pump guide, we look at the different heat pump options, we compare them and look at how to select one. We also compare the energy efficiency for COP, SCOP, EER, HSPF. Air source heat pumps, ground source heat pumps and water source heat pumps.
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Would be amazing to have a video on borehole systems, how is the fluid physically transferred, different method of transferring thermal energy, different ways to reject thermal energy (including rejecting water back to a river maybe?) Rising water table in city of london is a good talking point! cheers for all the great vids!
I live in a 2 story home, about 2K sq. ft. in the first floor and around 1K sq. ft (3 bedrooms) upstairs. I live in South Florida and only use the heating element in my AC just a few weeks a year, so I don't spend a lot on heating. I was thinking about getting a 5 zone Blueridge Mini-Split 21.5 SEER Heat Pump. 1 in each of the bedrooms, 1 in the Family Room and one in the Kitchen downstairs. My office already has a Heat Pump I installed a few years back, since the AC didn't work very well in there. Most nights, just one of the bedrooms is in use, since our Autistic Son at 17, still insists on sleeping with us and most days are spent in the Kitchen and Family room. With this setup, my Dining room and Living Room (which we currently rarely use) wouldn't be cooled. I currently spend around $4-500 a month on my 12 SEER Air Conditioning system. … If I were to do a setup like this, leaving the existing system for the occasional usage of my unused rooms and mostly just running 1 or 2 zones at a time, would I save a lot on my AC bill?
7:50 what if you buried a 5000 Gal water tank under ground (say 20 ft deep), placed 3 feet of insulation on top and used it as a battery?
To be honest this video feels like it should be the first episode in the series, not a second one.
Informative video, and I'm all for clean energy, but I always have to throw a flag on people describing electric power as 100% efficient or 0 emissions. Electricity isn't a power source — it's just a convenient way of transmitting energy harvested from other sources. Electric power is only as clean or efficient as the original power source.
Has anyone tried tapping into the grey water leaving the home? Bathtub/shower, dishwasher, washing machine, kitchen sink? I think a heat pump would love all that waste heat. A grey tank in the basement. Is it doable? Edit: Yes I do understand there would be regular maintenance of any household grey tank with messy cleaning but it may be worth it. I live in Canada. Brrrr
What does he mean by "crank case heating". Defrost or something?
and wat about the new heatpumps out of japan >co2 based ones
Do they also manufacture heat pump energy harvest system from the waste water. You know, they flow usually so deep, that the temperature could be lowered like a few degrees without concern of icing. Also waste water is commonly so so called salty, that it actually could be cooled to maybe zero nearly always.
And do they make accessory additive system to air-to-air or air-to-water pumping. Like glycol-water, old or spare part car radiator, and circulator pump. To own yard or field to a few dozen centimeters, and there you go, like ground to air; but the investment cost maybe a few hundred euros/bucks. Why heat wells, do not understand. In narrow spaces, vital maybe.
They might be efficient, but they can never compete with a gas boiler. Not enough heat in the winter when you need it most. Expensive and useless.
I cant listen while that silly supermarket music is playing!
Is there a good formula for inputting scop, cop, seer, hspf along with tonnage to compare a furniture with x btu burner…. Of course also adding your local cost per kWh & cubic foot of gas?
It seems like it should be pretty simple… X energy in = x btu out
Anyone know of a database where I can search heat pumps by their SCOP? Energy Star in the US doesn't have SCOP. And my search results for SCOP databases are coming up short
7 grand i just bought a 3 ton heat pump on e bay brand new 2 grand !!!!!!!!!!!!!!!!!!!!!!
Natural Gas heat is much less expensive than any type of mini split heat pump. I learned this after days of research. Why? Because natural gas is cheap, even at 85% efficiency, it is less expensive to use. Don't be fooled.
I installed my split unit. Under my 2 foot overhang on the south wall my house.
So in the Summer time it’s in the shade!
In the winter it’s in the sun on a dark wall.
That really increase efficiency.
Nice summary. Thanks!
I bought and installed my 5kw (SCOP of 5) split air to air heat pump for 550$ US and thats include a wifi module to control it. Those prices presented here seems rather high, but for the water and ground source units it seems realistic. I truly don't understand why there units are so much higher in price when they basically is the same unit, just a different heat exchanger attached ….
Awesome video
splendid mate !!
Continuation and we bet more technical and he does censor or mechanical switch that will detect ice buildup on the evaporator coil that will make him break a contact on his low voltage side of the controls to clarify this unit will be a heating only and will run on second hand salvaged control components for which the capacity to make and break current through a switch will be completely Overkill one componentthat I would like to have that may or may not exist would be a digital displayed remote sensing stat that has adjustable cut in and cut out points the temperature and humidity that this pile of crap can safely operate in without icing the evaporator coil over
Well here is my heating solution for a small room I bought a harrier air conditioner that is 8000 BTUs per hour it is a 410A unit I paid $5 for it the manufacturer included an extra metal part that held the capacitor in place located underneath the circuit board now it's blew the fuse I purchased a 10 amp fuse the board called for a 16 but it is what was available the unit worked I intend to take a 24-volt contactor and a heating thermostat in conjunction with a transformer and put the evaporator coil to the outside and and set aside the fancy circuit board with its remote and teeny relay that runs on six volts
As a physicist, it disturbs me to see energy in units of kW, which is only appropriate for power. The units for energy are kWh, or kilowatt-hours. It's like listening to concrete contractor speaking of "yards of concrete" needed for a project.
We physicists naturally perform dimensional analysis to check validity of our equations and formulas, and, if they don't pass, we consider them bogus from the get-go.
So EER has units of seconds? It measures time?
Nice overview, but I think you should have stated whether the values are linear or not and if not to what degree is typical.
When do you make HVAC diagrams, log P – h for some thermodinamic cycles?
That video is left.
Thank you very much for the video! Subscribed, looking forward for future videos. I'm planning to build a house boat, which would be located in a non freezing water reservoir in Bulgaria. I suppose the best and cheapest solution would be an open source loop water heat pump, in Your opinion what cost of equipment for a four bedroom and large living room house should I be looking for? I'm trying to estimate the cost of heating, ventilation and AC equipment. Perhaps You could recommend a cost efficient manufacturer? Thanks in advance
Great videos, love it! What would your suggestion be to heat a shipping container used as an urban vegetable farm in Canadian winter months?