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Why does the fan on a central air unit run all the time when the heat or air is not turned on?
Wiki User
∙ 13y ago
Because you have it set that way on your thermostat. Most HVAC people tell you that with the new high efficiency systems, you should leave the fan running all the time to constantly circulate the air so that you maintain a more constant temperature throughout the house. I don't buy it.
Wiki User
∙ 13y ago
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What do you do if the central air unit continues to run and you have turned off the heat?
either a relay is bad or you have the switch turn to man on thermostat
What size of central and heat unit do you need for 916 square feet home?
What size of central and heat unit do you need for 916 sq ft?
What has to be done if your central heat and air unit freezes up?
You have to thaw it out.
Why does your central air conditioner unit shake so much outside when turned on?
needs to be leveled..
What would cause a central heat and air unit to not cool at all but switch to EM heat when turned to cool?
Answerthermostat is wired wrong or something damaged thermostat wires. check where they enter (outdoor) unit. may have abraded on metal edge.Sounds like you have a cooling problem somewhere. The light for EM heat is also what we call a "you have a problem light". Does the outdoor unit run at all? Or does your emergency heat actually kick on, heat out of ducts?yes the blower blowsheat out of ducts
What does central HVAC provide?
Central HVAC provides central air conditioning, central heating, and central ventilation packaged in one unit. As such it will heat, ventilate and cool your home.
What happens when central air conditioner freeze?
my copper lines freezing on central air unit.
Will a heatpump be broken if it is turned off a long time?
No, having the unit turned off for a long period of time is not detrimental to the system.
Should I install a central heat and air conditioning unit?
To cool more than two rooms it is economically more efficient to purchase a central air conditioning unit than a wall unit. Wall units are individually cheaper than central air, but if you have to buy more than two, then it is better to buy the central air unit.
Why is your central air conditioner unit outside but you central heating unit inside usuially in yer basement?
The outdoor portion of the central ac unit is what gives up the heat from indoors, so it has to be outside. For a more thorough explanation see the question: How does air conditioning work.
Does the fan outside on the unit have to work for the central heating unit?
is it really run ning or is it possible that you have a heat pump system and it is the heating portion of the system operating?
What is the average cost to buy a central heat and air unit?
There is not an average cost to buy a central heat and air unit. You will need to purchase a unit based on the square footage of your home, the amount of insulation in place and whether or not you have duct work in place. The price range starts at $1200 and goes up with size of your home.
