Temperature on thermostat not going down with fan running


Make sure that the registers in your home are open and free of obstructions. This includes the return air grills. Registers and grills can be located in the floor, wall, baseboard, or ceiling. They are made of metal and have slots where the air comes out. Many times, registers will have a handle that allows you to open or shut off the airflow. Check behind couches and under beds to make sure these are not blocked or closed.

Set the temperature on your thermostat to a setting higher than the temperature inside the house. Some thermostats are push-button and some have a dial or slide to increase or decrease the temperature. If your thermostat does not display the current temperature, mount a thermometer on the wall directly next to the thermostat. Remember that when the thermostat is switched to cool, the higher you set the temperature, the hotter the house will become before the air conditioner comes on. For example, if you set the thermostat to 75 degrees, and the house is...

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Z_Marshall answered 9 months ago

Dear all , i need help here , i am having the following problem : Temperature gauge goes up and down from 90 to 120 , completely randomly sometimes it doesn't happen and sometimes it does, no difference if i drive , or stand at a traffic light , or drive smooth or hit the road hard. My car is an aud s6 2007 model 5.2 V10 engine , radiators have been checked , flushed , and reconditioned perfectly, thermostat is brand new , temperature sensor is brand new , expansion tank is new too. Than problem occured after i had a blown gasket due to a malfunction of my thermostat couple of month ago. Gasket has been replaced at that time but after 600 hundred km without any issue , i am facing this constant problem of the temperature gauge going crazy and for whatever reason it comes from 90 steady up to 120 in about 30 to 40 seconds and then it comes back down while im still driving, and then all the cycle again , up and down up and down...

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Recently I've learned of two people running their heat pump in a way that costs them a lot of extra money. With heat pumps, there's an extra setting on the thermostat. In addition to heat, cool, and off, there's a setting for emergency heat. But what is that setting for? What does it do?

A heat pump, as I wrote before, pulls heat from the outside air (unless you have a ground source heat pump, which pulls heat from the ground or a body of water). As it gets colder outside, your heat pump is able to pull less heat inside. Eventually it can't meet the heating load of the house. That's where supplemental heat—which is NOT the same things as emergency heat—kicks in.

What happens when your heat pump can't keep up?

For most heat pumps, the supplemental heat source is electric resistance (strip) heat. When the heat pump can no longer pull enough heat from outside to meet the heating load of the house, the electric resistance heat comes on and supplements the heat...

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There could be a number of reasons – some obvious and not so obvious.
The good news is – many times it’s a easy fix.

Before you call a repairman there are a few things you can do.

The first thing you should do is check to see if your air filter is dirty and if it is, replace it and see if that helps.

The next thing to do is go outside and look at the outdoor air conditioner component.

Is the outdoor unit running?

If not, check the circuit breaker – if it’s tripped, try resetting it.

Make sure the thermostat setting is correct.

If the unit is running..
The next thing to do is inspect the unit.

Is there dirt or debris on the coil section?

If so, turn off the circuit breaker for the unit and spray down the coil with a garden hose (be careful not to bend the coil fins) until it’s clean, then turn on the breaker.

If the coil is clean, look at the copper lines that are attached to the unit – the small line is...

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This is Tip #2 of the 30 Day Challenge to save $1,000.

Today’s tip is to reduce your thermostat 3 degrees colder starting right now. Below, I’ll show you some additional math / tips to show you the effect this will have on your finances.

This year, the Energy Information Administration projects that Americans will pay about 15% more in their heating bills this winter, because of colder weather and higher fuel costs.

How much will you save?
“The rule of thumb is that you can save about 3% on your heating bill for every degree that you set back your thermostat” full time, says Bill Prindle, deputy director for the nonprofit American Council for an Energy-Efficient Economy.

To keep the math easy, let’s assume we can save 10% by cutting 3-4 degrees off the thermostat. Here are some sample savings. Note: The actual numbers for the heating bills were obtained very un-scientifically (too many variables to consider).

San Francisco: $10 off a $100...

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It's been hot here in the Atlanta area lately. Just three weeks ago we were wearing jackets with low temperatures in the thirties Fahrenheit, and now we're getting up above our summer design temperature every day. That means that a lot of air conditioners are running as everyone tries to keep cool.

One common question I get from homeowners is: Should I put the fan in the on position? Most thermostats have two settings for the fan - auto and on - and some well-meaning HVAC techs tell their customers to put the fan in the on the position to distribute the cool air in the house better.

Let me back up a bit here. For purposes of this discussion, your air conditioner has two components: the part that cools and the part that moves the air. You adjust the part the cools by changing the temperature setting on your thermostat. You can affect the air movement by setting the fan to auto or on.

When the fan is in the auto mode, the air conditioner moves air only when the...

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Honeywell Wifi Smart Thermostat

The Honeywell Wifi Smart Thermostat (RTH9580WF) is Honeywell’s response to the Nest Learning Thermostat. A wifi smart thermostat that gives you control from anywhere in the world via the internet and one that can even learn your personal preferences over time. Does any of this sound familiar to you? Honeywell definitely thought so and are still in litigation with the Nest over violation of existing patents…but that is definitely not a story for here!

When most people think of a Thermostat, the first name to come to mind is usually Honeywell. This is not really surprising given that their history spans back well over 125 years. Seriously, they have been in the thermostat business for that long.

I am sure you can appreciate; thermostats have come a long way since that first patent in 1885. The Honeywell wifi smart thermostat is no exception. It brings to the table the control, dependability and quality that has become synonymous...

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A thermostat controls temperatures in HVAC equipment like air conditioners and furnaces. Once set to a specific temperature, it regulates the operation of the equipment. Some of its most common issues include the unit not working at all, it not being able to maintain the required temperature, problems with connections or error messages that are not very clear.

Read below some questions related to thermostat problems answered by HVAC Experts.

AC not working after reconnecting thermostat wire. What could be wrong?

There could be a blown low voltage fuse caused by a short circuit when the wire was pulled out. Switch on the fan at the thermostat. If the blower does not start, go to the indoor unit and look inside to find a circuit board. It will have a small fuse, like in cars. If it is blown, replace it with a fuse of the same rating, which is usually 3 amps.

What could be wrong if only warm air comes from a thermostat that should be cooling?

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©Don Vandervort, HomeTips

A central air conditioning compressor, located outdoors, should be cleaned before every cooling season.

Is your AC not working? If your central air conditioner is not cooling right, save money, time, and get comfortable again with these expert DIY air conditioning troubleshooting and repair techniques.

Need help NOW? Get a Local Air Conditioning Pro Fast!

In brief:

If your AC is not working at all:

1. Be sure it is receiving power at the electrical panel.
2. Reset the equipment’s switches and/or overloads.
3. Check the thermostat settings.
4. Check the condensate overflow switch.

If your AC is not cooling but runs:

1. Turn off the power.
2. Clean or change the filter.
3. Look to see if ice has formed on the coils and, if it has, turn on the power and the fan to melt it.
4. Clean the condensate drain.
5. Check and clean the outdoor compressor.


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The biggest players in the data center industry are raising the thermostats in their data centers, with some saving hundreds of thousands of dollars in energy costs in the process.

The latest company to focus attention on temperature in the data center is Google. “The guidance we give to data center operators is to raise the thermostat,” said Erik Teetzel, an Energy Program Manager at Google. “Many data centers operate at 70 degrees or below. We’d recommend looking at going to 80 degrees.”

Most data centers operate in a temperature range between 68 and 72 degrees, and some are as cold as 55 degrees. Raising the baseline temperature inside the data center – known as a set point – can save money spent on air conditioning. Data center managers can save 4 percent in energy costs for every degree of upward change in the set point, according to Mark Monroe of Sun Microsystems, who discussed data center set points at a conference last year. But nudging the thermostat higher...

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Last updated: 10/31/2016

Our ecobee3 SMART WiFi thermostat rating:

October 2016 update: ecobee3 launched a “lite” version of their flagship thermostat! It lacks room sensors, occupancy sensors, and support for accessories like humidifiers, but offers the same great app and features otherwise. This review is for the full featured ecobee3 smart thermostat.

Room sensors, a slick design, usage data from the free HomeIQ service, easy scheduling, and exceptional control over your HVAC system make the ecobee3 a winner and our top smart thermostat since the device’s debut in 2014.

The ecobee3 is Alexa enabled, too. If you have an Echo or Echo Dot in your house, you can give a command in the form of, “Alexa, set my bedroom temperature to 64” or “Alexa, increase the temperature in my home” to adjust your home’s temperature without opening an app or touching the thermostat.

[ Shop for Amazon Echo | Amazon Echo review ]


Comes with...
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Another Failure Review by Don Another Failure Don

Really a nice idea but as is evident with other products the quality is poor My first one failed in about 2 years, It will automatically turn its self off and set the temp to 60 Good thing the price is much lower now. Could use a better instruction manual for the 7 day feature. They need to offer a 3 year warranty as most products fail in that time frame.

Posted on 11/23/2016

No Batteries required! Review by Don No Batteries required! Don

Works well with Insteon hub and Amazon echo. Hoping Echo will add even more flexibility, but right now just the fact that I can tell Alexa to "set thermostat 2 degrees lower" without having to get out of bed in the middle of the night is worth the price paid. Pretty easy to install, even if the directions are a little vague. If I had a complaint, it would be those vague instructions. Other than that, love it, especially...

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