** Auxiliary Heat. Here is a screenshot of the message. I installed the ecobee 3 this weekend and have received this message twice now, once yesterday, and again this morning. I’m not sure I agree with this guide.. he has some okay advice in there but no logic behind some of the choices. Press J to jump to the feed. • Your auxiliary heat source is running • too often. Meaning only when it gets under 40 will the aux heat kick on. Let tstat keep up as needed. Auxiliary heat kicks on when your heat pump can’t produce enough heat to warm your home by itself. Is this a programming flaw internal to ecobee programming? Before getting to the technical part, let me clear a common dilemma to most individuals, does ecobee work with a heat pump- absolutely yes, depending on the version of the ecobee kit you got, you can configure the heat pump into the ecobee home kit. EM heat is an option on your thermostat that you can manually turn on to activate backup heating. EM heat is NOT the same thing as AUX heat: AUX heat signifies that your heat pump has automatically switched over to backup heating because temperatures are too low. If you try to do big setbacks, like with home/away or a nightly setback during sleep aux is often needed to get the temp back up to where you want it. AUX heat is running, but it’s hot outside: Unless temperatures are 35 degrees Fahrenheit or below, it doesn’t make sense for AUX heat to run for a long time. Out of the box, the Ecobee does one thing very, very wrong. If you're expecting to use the aux heat a lot, then I wouldn't worry about it too much. If you have a heat pump with auxiliary heating, when the outdoor temperature drops below this value, the ecobee will engage your aux heat and rely on aux heat to heat your home. I think I'm having a problem whereby the Ecobee isn't actually activating the auxiliary heat on my heat pump. It's been pretty cold here for us, so I'm not sure how I should change that. Are you using setback schedules, such as lowering the temperature 3 or 4 degrees while at work? It's been a high of 40 for a couple days so I'm not sure how to help the aux heat there. You may be able to get away with less if your system is oversized or you have a well insulated home. New comments cannot be posted and votes cannot be cast. Check out this guide: https://www.reddit.com/r/ecobee/comments/7wdnfx/comment/dtzqnjm?st=JRZ13936&sh=cd0dbc25. Alternatively, maybe your heat pump doesn’t cool down after use, or it runs constantly. New comments cannot be posted and votes cannot be cast. Like all appliances, your heat pump may sometimes have trouble working correctly. Just change the alert for the aux to more than three hours? Default before engaging aux heat on most ecobees is 35. If your heat pump seems to be stuck on auxiliary heat mode and the temperatures outside are above 35 degrees, you should call the professionals at Precision Heating & Air. This setting is under Menu > Settings > Installation Settings > Thresholds > Aux Heat Max Outdoor Temperature, This is the max temp that the aux heat will kick on. Yep! Compressor to Aux Min Runtime is how long it attempts to run the heat pump before kicking over to Aux heat. I’ve set mine at 40. There's also a setting to change the length of time before the warning triggers. 1 User Guide ecobee3 ©2014 ecobee 250 University Ave | Suite 400 Toronto | Ontario | M5H 3E5 Canada Toll free 1.877.932.6233 www.ecobee.com Aux Outdoor Temp Alert- If you have a heat pump with an auxiliary heat configuration, you can configure your ecobee3 to generate an alert if the auxiliary heat is called for when the outdoor temperature exceeds this programmed set point. **Note that if your Emergency Heat light is on but your thermostat is NOT set to Emergency Heat, this is an indicator there’s a problem with your heat pump and you should call for advice and service. A subreddit for ecobee and all their smart home products. Should I be concerned about this message? I have been using the ecobee since April and I have noticed this winter that my HP is not quite keeping the house warm without using the auxiliary heat a lot. So long story short, when it’s at 64 and I want it to be 72, it’s going to cost me a bit extra to bridge that gap. If it’s particularly cold where you live, the heat … ECOBEE should NOT use AUX heat except to catch up. I installed the ecobee 3 this weekend and have received this message twice now, once yesterday, and again this morning. In other words, the factory set the outside temperature at which the auxiliary heat should come … They work best and most efficiently when locked in at a single temperature. This is why it is only used in an emergency situation. For me, with electric resistance heating, some of them didn't make a lot of sense at their defaults -- for instance, the Ecobee will lock out the heat pump from running if it's below 35F outside. When the balance point between outdoor temperature and heatpump capacity has been exceeded. The trick is to find out how low your heat pump will run efficiently and then set the aux heat threshold around that temperature. Auxiliary heat is less energy-efficient than your heat pump, and it is meant to only run for short periods of time when temperatures drop. Some heatpumps can take longer than others to warm up and finally start giving heat. I have a heat pump/furnace setup and it has been too cold recently for the heat pump to run effectively. When its gets with 1.5 degrees of room temperature, the back-up heat cycles off and the heat pump continues to run trying to keep up to reach temperature, but it cannot. I'd never set a temp to kick on AUX. (I've heard differing descriptions.). I have the lockout set to 20F and compressor lockout set to 10F. This has probably always been happening but I am only now aware of it because the ecobee is notifying me? The ecobee also has a comp to aux runtime, that I had disabled, until it got really cold. Should I be concerned about this message? 40 is about the sweet spot for our house. If you are, that's probably the issue. This varies depending on equipment sizing, duct leakage, how high you set your indoor temperature, and how well insulated the structure is. If you are not experiencing one of the 3 situations listed above but your heat pump is running on AUX heat, your heat pump likely needs a professional repair. This feature requires an … Ecobee and heat pump. Heat pump setbacks should not exceed 3 degrees F. If you get the aux heat in warning it’s usually an indication that the balance point has been exceeded and that the aux is necessary to keep up with demand for heat. ecobee3 manages auxiliary heating through the W1 & W2 (if there is more than 1-stage of aux heat) terminals outputs. I live in a large apartment complex, and had the EcoBee3 installed about a month ago. I have a heat pump/furnace setup and it has been too cold recently for the heat pump to run effectively. 10 min too long for off cycle. The ecobee will not be compatible with high-voltage systems. I got a notice that my axillary heat has been running for over a hundred and 80 minutes in the last 24 hours and at that was too long. I am doing a sleep schedule. With Arizona’s high temps, there usually isn’t much need for secondary heating. … I think there is a setting that will allow me to adjust that time period where it notifies me of this, but I don't want to cause damage to the furnace. As we mentioned above, AUX heat usually costs up to 50% more than heat transfer , which means if your system is running on AUX heat when it shouldn’t be, your heating bill is likely going to be a lot higher than you’d like it to be. Dual-fuel systems, which include a heat pump and a gas furnace in one system, have been a popular choice with our clients. I tried setting it lower but noticed the temps in my home would drop and standard heat wasn’t enough. Here's how to make it right. Keep everything warmer overall? Batteries are only a major problem to thermostats that don’t have a C-Wire or some means to draw power from the mains supply for instance the ecobee PEK. How Emergency Heat Works. I wouldn't, it's just gonna be expensive. While a gas furnace is not as efficient as a heat pump, it is more efficient than a heat pump using auxiliary heat. Sometimes the answer isn't always what you want to hear. You can turn up the threshold for the alert in the reminders menu so it takes more time to trigger. Now it is set to two hours. The long version: Nest Theremostat E supports 2 stages of either heating or cooling, and 1 stage of the other. If it meets 1 of the 2 thresholds then it will kick over to the Aux. As you continue to use your ecobee, it learns how long it takes your home to get to a desired temperature. When temperatures get very cold here (say, 20 or below), my condo really struggles to maintain temperature, while giving me alerts that the Aux has been running too long. | 250 University Ave | Suite 400 | Toronto, Ontario | M5H 3E5 Toll Free 1.877.932.6233, Int. Fix the Ecobee smart thermostat's most annoying feature. Thanks! Short version: the ecobee supports more stages of heating and cooling than the Nest Thermostat E, for both conventional systems and systems with a heat pump. To Configure Temperature Correction. Press question mark to learn the rest of the keyboard shortcuts. This is, however, the way heat pumps are designed to operate. At that point, your heat pump might need a bit of auxiliary heat – and if you want things to run smoothly, you might want to install a thermostat with auxiliary heat as well. A subreddit for ecobee and all their smart home products. This may seem silly, but is there a recommended way to determine that? If you notice that your auxiliary heat seems to be coming on too frequently or you get an alert that says “auxiliary heat running too long,” there may be a simple fix that could save you a service call. It's also worth checking out some of the thresholds for the Ecobee regarding heat pumps (under Settings->Installation Settings, I believe). Press J to jump to the feed. That's winter for us geothermal users. Look, aux heat is a backup for when heat pump can’t keep up for demand for heat. If after 2 hours the set point has not been met, the Thermostat will shutdown the heat pump and call on the auxiliary heat to meet the set point. heat pump (air or geothermal) with auxiliary heat This diagram illustrates the wiring connections for a heat-pump system with auxiliary heating. Here is a screenshot of the message. What exactly do you recommend? Low thermostat battery alert. Auxiliary heat running too long. It’s also making a lot of assumptions about where you are. When does this happen? In these cases you can manually enter a higher differential to avoid the auxiliary heat coming on for a certain time or temperature difference (it is up to you what value you would like to keep it at). With that in mind, below are some of the most common heat pump problems, as well as possible explanations and fixes for these issues. It popped up on my ecobee3 Lite. Are there some settings I should change? I received the same message this morning - that it has been running for a half hour. 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