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How on earth can you get hot air or hot water from very cold outside air? How does a heat pump make this heat out of cold air?
When certain gases change their state from a liquid to a gas or from a gas to a liquid the magic happens.
A heat pump can do some pretty amazing things, when it comes to making heat. To understand the way they work, you must first understand what happens when certain gases change from a liquid state to a gas and back to a liquid again. To simplify it a bit we need to look at a basic air conditioning system. The refrigerant in an airconditioning system is changing to a liquid in the outdoor condenser. The compressor compresses the gas forming a hot gas. As this gas cools under high pressure it changes into a liquid form.
Inside the indoor coil the liquid is pushed through a small hole or orifice. When it comes out the other side it rapidly changes it’s state to a gas as the pressure suddenly drops. The rapid pressure drop changes the refrigerant to a very cold gas. Air flowing over the cold gas inside the pipes makes the air cool and provides air conditioning.
Now for a heat pump the process is much the same, only coils are just switched by used a reversing valve in the outdoor condenser unit. Instead of the heat being purged to the outside from the condenser unit, the indoor unit then becomes the condenser coil. The outdoor coil becomes the cold coil and cools the outside. This is why if it is very cold outside the unit will have to run in air conditioning mode for a short time to defrost the outside cold coil. When this happens the system will usually have electric heat inside to run and keep the indoor air warm.
The reality is that a heat pump is really no more than an air conditioner running in reverse. Through the magic of using refrigerants, a heat pump can then run many times more efficiently than straight electric heat. A careful heat loss/gain should always be performed by a qualified service person before any sizing of a unit. Too large or too small of a heat pump system can make it inefficient and possibly cause it to be very uncomfortable. The longevity of the unit can also be affected by sizing and installation. Be patient and look carefully for the best contractor to install your system.
A properly designed and installed heat pump system can give you many years of comfort and efficiency. If you look for and find the contractor that can do the job right you will get many trouble free comfortable years from your heat pump unit.
Firstly, a thermostat that opens quicker will not give you better heat. Your heater core may be partially plugged causing a low flow issue. Another area to check would be the water pump impeller for corrosion or slipping on the shaft. Does the vehicle's cooling system operate well otherwise?
I see that you're having issues with your Frigidaire oven, and the heating element being red hot the entire time you were cooking no matter how much you turned the temperature down.
I suggest giving your appliance a hard reset. You will do this by either unplugging it or cutting the power off at the circuit breaker for at least 2-3 minutes. When power is restored to your oven, you will need to set the clock by entering in the time and pressing start. Preheat the oven, to whatever desired temperature, and if it is still running hotter than it should be, I suggest you contact your local authorized technician. I hope this is helpful.
It really depends on the type of system you have. You will either have a furnace, high efficiency furnace, heat pump system, heat pump with gas or electric back up heat. All these systems operate differently and the problem that you are having could be caused by multiple issues, depending on which system it is. More info will be greatly appreciated. Make sure to check all filters and air flow first before going any further. The system could be over heating and tripping a limit, causing the system to stop producing heat until the unit has cooled back down.
There is a air pocket in the heater core, you just didn't burp it right.
Open the hood of your car. Secure the hood with the
safety handle. If you have a newer car, you should have a bleeder valve
on the front of your radiator. Check in your owner's manual for the
location of this valve. If you do start your car, open the valve with
wrench and let your car heat up. The excess air will bleed out of your
cooling system. Keep your car on long enough to give the (trapped air)
time to bleed out of your system.
Let your car cool down. Once the car is cool, take
off the radiator cap. Did the level of the radiator fluid go down? If it
did, it means you bled the air out of your cooling system. Replace the
radiator fluid, turn on the car, and let it run. Replace radiator fluid
Step 3 (above) is the way you will remove air from your cooling system if you do not have a bleeder valve on your radiator.
You will leave the cap off the radiator. You will run your car until it
heats up. As the air dissipates, the radiator fluid level will go down.
You will fill up your radiator fluid to the correct level. Be careful
because the heated radiator fluid will be hot. Always wear leather
gloves and safety goggles when working on your radiator.
Once the air dissipates and you fill the fluid, shut off the car. Let
the car cool down. Once the car is cool, put the radiator cap back on
the radiator. You may have to put more radiator fluid in the radiator.
The level may fall as the car cools down. Now it is safe to drive your
car. You have removed the trapped air from your cooling system.
Always wear gloves and safety goggles when working on your radiator.
Radiator fluid gets very hot when heated.
Check radiator fluid periodically.
Air in cooling system? Blockage? Thermostat failing? Collapsed hoses. there are many reasons why this problem exists. Hot coolant passes through your heater core which is generally located on the firewall of the car. If hot coolant does not circulate into the heater core, it will not pick up the heat and your car heating system will blow cool air. Coolant circulation is most likely the underlying issue. Your water pump may also be failing.
It's likely a bad tstat. Turn the power off to your air handler. Remove red , green, yellow and orange wires inside the tstat and wire nut them together. Not sure if your reversing valve energizes in heating or cooling but, turn the power back on. If the unit is heating turn the power off and remove just the orange wire and turn power back on. Let this run and see if it you are ONLY getting cool air ALL the time. If so you have a bad stat. If still getting heat possibly you have a bad control board in the air handler. Good Luck!!
The problem is in the thermostat wiring. Y1 on an air conditioner, brings on the cooling. On a heat pump, it brings on the compressor, which generally fails to heat mode. The O wire operates the reversing valve, which brings on cooling. If these wires are reversed, or not hooked up, you will not get cooling.