1. The air coming from the registers feels cool when my new heat pump is set for heat. Is there a problem?
Yes, there is problem. If you set the temperature 3 degrees higher than the room temperature, the vent air should be 40 degrees higher than the room temperature. If you set the temperature one or two degrees higher than the room temperature, then the vent air will only need to be 20 degrees higher than the room temperature. If the vent air raises less than 20 degrees, there is a problem with your system.
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2. When I turn on the heat (gas furnace) cold air comes out. What should I do?
First check to see if the burners on the furnace has a flame. If so, then check to see if the outdoor AC unit is working. If the AC unit is working, then turn off the AC power, which will be a temporary fix.
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3. The circuit breaker tripped after a storm. I reset the breaker, but the system starts and shuts off after 5 seconds. What is the issue?
The storm caused the compressor to be defective or the disconnect box has shorted out a fuse or power wire.
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4. There is a clicking sound from the thermostat, but nothing starts after the sound.
Your indoor unit power maybe off or the fuse burnt out.
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5. I notice that furnace itself is hot to touch when the heating is on. Is this normal or should I be concerned?
The unit probably has one of these problems: 1. Furnace is over-sized. 2. Filter is dirty. 3. Return air is blocked. 4. Setting temperature is too high.
6. We are in a deep freeze and the outside unit keeps getting ice in the grill and the inside unit on some copper lines, but the fan is spinning and appears to be working, is this a problem or weather related?
This can be caused by 4 reasons: 1. Your heat pump system has a low charge of refrigeration, therefore it needs be charged up. (A professional technician will need to correct this). 2. If your heat pump has a defrost cycle problem in the cold winter, then the reversing valve, defrost control board, or defrost thermostat is broken. 3. Air filter is too dirty. 4. The setting defrost timer is too long.
7. Where is an evaporator coil? The repair technician said that we have to change the coil for the furnace to work, is this correct?
The evaporator coil normally sits right on top of the furnace. If the down flow furnace coil is sitting right underneath of the furnace, then the coil may just need to be cleaned since dirt can block the airflow and the coil will not need to be replaced.
8. My heat pump unit is making a clicking sound. I changed the capacitor and it is still making the clicking sound. Can the fan motor be the problem?
You may have: 1. Loose thermostat wire. 2. Broken thermostat wire. 3. Bad contactor. 4. Freon Low in charge.
9. The laundry closet where my heater is located is the hottest room in the house! The first thought would be, "Duh, that is where the heater is!" But isn't all the heat blown through the vents? Should so much heat be coming from the heating unit? The bathroom on the other side of the wall is insanely sweltering with a closed vent. Also, the room directly above the heater is very hot.
The heat is coming from the metal exhaust pipe, which is at least 275 degrees, making the room very warm. The room directly above the heater should get very hot because it is close to the furnace. The bathroom walls are sweltering because of the lack of sufficient insulation.
10. Why is my outside ac running during winter?
The outdoor AC may have a defective contactor, which makes the AC work all the time, or if there is a defective thermostat.
11. There is a hissing sound coming from my outdoor heat pump unit, should I call the repair technician?
First, check if the house heat is working. If the house is warm, then check if there is anything inside the outdoor unit making the hissing. If there is hissing, then cut off the power and remove the any material found. This should stop the noise. If there is nothing inside the outdoor unit making the hissing sound, then there is nothing wrong with your system. If the house is not getting warm, then call a repair technician.
12. Why is it that my heat pump keeps turning on and off in a very short period of time?
The heat pump unit has low or very refrigerant pressure.
13. I turned on the Heat Pump and noticed a short humming noise that lasted about 2 seconds. It repeats itself every 3-5 minutes. The lights dim during this humming noise (2 seconds) and the hum is coming from the breaker in the panel during the "surge". .
The compressor may have a problem starting and the system may have a pressure problem.
14. Does a heat pump unit use more electricity if it is not functioning properly? For example, if a capacitor goes out, is more electricity used? My electric bill skyrocketed from November to December.
Yes, when the heat pump is not functioning properly it will use more electricity but not skyrocket. The heat pump will not work if the capacitor goes out. From November to December the weather is getting colder so this change in temperature will cause the bill to drastically increase. In this case, replacing your windows and doors to the energy efficient type will reduce your bill. Also setting the temperature at a lower temperature such as 68 degrees can reduce your electric bill.
15. How do I re-light the pilot light?
A standing pilot style furnace can manually be re-lit, but any furnace within 10 years old has an automatic hot surface ignitor to light up the pilot. To re-light a standing pilot, turn the gas valve knob to pilot, push the knob down and hold. In the meantime, light up the pilot, keep holding the knob down for 90 seconds, relieve the knob, and turn the knob to “on”.
16. My furnace stopped working and nothing is responding to the thermostat setting. If I turn the power switch on and off all of sudden the furnace works. Do I need to do anything to this furnace?
If this furnace is older than 15 years, either the inducer motor or circuit board (or both) are defected. You may need to compare the price between replacement parts and a new furnace. If prices are not too much different, a new furnace may be a better idea.