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Nobody loves the cold winds of winter (not even the wildlings). That’s why we buy home furnaces to keep us warm. But what happens when your furnace stops blowing hot air into your home? Normally, the problem is simple and thus, will just need a simple fix to get it up and running again. In some cases, however, the problem is more severe and requires expert help. This article will help you understand the few probable causes of a malfunctioning furnace, how to troubleshoot them, and when to call our HVAC technicians for the more severe issues.

1. The furnace has overheated

Dirty filters are the most common cause of furnaces that start blowing in warm air then stop midway. Ideally, air filters sieve dust, pollen and other contaminants from the air, ensuring that clean warm air is blown to your home. As a rule of thumb, air filters require regular replacement, so If left unreplaced for long, dust and other debris will collect behind them and block the free flow of air. As a result, your furnace is forced to run for longer than usual in order to heat up your home. This, in turn, leads the furnace to overheat and eventually it’s likely to shut down.

Solution: An overheated furnace will eventually damage the filters. When this happens, the problem moves from repair to replacement; you will need to replace the filters to have your furnace function again.

2. The thermostat was left On

The thermostat controls the furnace blower. It has three settings; “On, Off, and Auto”. If it’s left on, the furnace blower will continue to blow air to your home, even when the furnace is not heating up the air.

Solution: Set the thermostat to “Auto”. This ensures that the furnace blower only blows in warm air and stops when the furnace is turned off.

3. The panel on the blower motor is open

Modern furnaces are designed to uphold safety above everything else. Therefore, every component of the furnace must be properly connected for the furnace to function. If the furnace stops blowing in hot air, chances are, the panel on the blower motor was left open. This is a common mistake done after hastily cleaning  the air filters.

Solution: To troubleshoot this problem, ensure the blower motor panel is shut all the way.

4. Issues with the pilot light

A gas furnace relies on the pilot light to ignite and keep the air heated. If the furnace stops blowing in hot air, it could be because the pilot light is out.

Solution: You have to relight the pilot light. Your gas furnace manual has clear instructions on how to relight the pilot light.  If the pilot light refuses to light, counter-check that the valve switch to the gas supply is properly connected. If the problem persists, it could mean that the thermocouple on the furnace needs replacement. Contact your local furnace repair for help.

For optimal performance throughout the year, make a habit of scheduling occasional maintenance for your furnace. Remember, a serviced furnace is an efficient furnace.

There is something about coming in from the dark on a bitterly cold day into a warm home. But even when you want some convenience that helps you escape from the murderous clutches of nature, and a painstakingly cold house in winter, you don’t want your pump running all day long when no one is home. At the end of the end, if you’re like most people, you want to conserve electricity. Modern thermostats are the remedy to freezing houses and unnecessary use of electricity. Newer thermostats have capabilities that allow you to turn your HVAC system on as you leave your office and by the time you get to the house, your house will be a lovely 72 degrees- exactly what you need.

Traditional thermostat can either be programmable or non-programmable. Although Non-programmable thermostats are usually cheaper than their counterparts, they are very antiquated. To either heat or cool your house, non-programmable thermostats require you to set the temperatures manually, and this can lack exactness. Programmable thermostats on the other hand feature a digital interface which allows time period programming. This type automatically adjusts the temperatures based on time and you can have multiple settings per day. However, programmable thermostats may count as a type of automation, but they aren’t exactly smart. Both programmable and non-programmable thermostats don’t come close to the  convenience modern Wi-Fi thermostats offer.

Smart thermostats have revolutionized how homeowners now heat and cool their houses. Smart thermostats come with added features that include remote programming, improved efficiency, and feedback, geofencing, learning and alerts. Once you sync the thermostat with a Wi-Fi- router, you will have access to the HVAC setting from your computer, smartphone or tablet which means you can operate your system from anywhere.  There are three mains types of thermostat tech: geofencing, algorithms and motion sensors.

Geofencing feature Allows you to set a range of 3 miles to 30 so that when you leave that radius, your thermostat automatically sets to Away mode and as you near that mode, it returns back to Home mode and sets your home temperatures comfortable to prepare for your arrival.

Algorithms feature allows you to input the basic parameters for your schedule. This is similar to how a traditional programmable model works. The difference is that smart thermostats, over time, have an ability to pick your schedule and automatically adapt to changing patterns. For instance, the thermostat may notice that you’re normally out of the house at a particular time. It will them pick up this pattern and adjusts its schedule accordingly.

Remote sensors just like the name sounds rely on proximity sensors and motion. If the sensors detect that you’re near, it switches into home mode and vice versa is also true. Placing the remote sensor where there’s most traffic in your house will make its Home and Away mode accurate. Of course, just like the rest of the tech features, this one is also not perfect. Remote sensors entirely depending on your physical presence to trigger the sensors which means that when you’re out of range, the sensors assume you’re out.

Configuration will vary depending on your HVAC system model however, each smart thermostat will ask you some common questions that cut across. Questions such as what system you have, your fuel source and so on. For more information on how to set your HVAC thermostat, air conditioning system professionals of Classic Air Conditioning, New Braunfels will be happy to help.

See What Our Customers Are Saying

Karrie Mikle
Karrie Mikle
2022-05-06
Everyone I have dealt with at Classic over the last several years always go the extra mile with customer service. Reliable, pleasant and knowledgeable team - especially JOEY SCALA!
Sarah Rogers
Sarah Rogers
2022-05-03
Eddie, Isaac and saul did amazing work, talked to me about everything, and made sure they installed my new ac properly. Thank yall so much!
CHERYL SCHILLINGS
CHERYL SCHILLINGS
2022-04-18
William Bragg
William Bragg
2022-04-08
We've been using Classic Air Conditioning & Heating Services for the past five years to include Installation of new units (flawless by the way), bi-annual check-ups that are scheduled and carried out without a second thought on my part, and in emergencies (backed up drain in the bathroom with a response time in under 24 hours to troubleshoot the problem). Their technicians are master's at their craft, personable, and cut to the chase on his service calls. I never feel like I'm being given the run around or a sales pitch with this company. Today, Mitchell Wesch went above and beyond walking us through what was happening and provided a multitude of options and expected timelines for future repairs. Once again, a great example of exemplary customer service. He was able to troubleshoot the problem with zero delay. We're ready for the Texas summer, and are already looking forward to the next scheduled service call. Thank you Classic Services for keeping our home healthy and happy.
Sondra Von Gyllenband
Sondra Von Gyllenband
2022-04-08
These folks are kind and helpful. They will above and beyond to assist. They make sure what needs to be done is done. Sondra
Lexie Gillotti
Lexie Gillotti
2022-04-06
Theresa did an amazing job! She informed me about everything she was doing and took extra pictures so I could have them for my record. She was quick but still answered all my questions. She definitely saved the day when my condensor froze over on the coldest day of the year, leaving my family in the cold. She was out at my house within the hour and had everything fixed in minutes.
MARIE ORTEGA
MARIE ORTEGA
2022-03-29
Very professional presentation and very very quick arrival day Same Day to our needs much better than anyone in San Antonio, very disappointed with services from San Antonio. Importantly corrected our problem in same day. Took their time and gave advice and great great pricing. Won’t go anywhere else. Will always consider local businesses instead.
Jeffrey Fields
Jeffrey Fields
2022-03-26
Jan Smith
Jan Smith
2022-03-10
Stephanie Corona
Stephanie Corona
2022-02-23
Well, once again, Classic comes to the rescue. I am on their yearly maintenance plan and yesterday Nate showed up for a late afternoon service call. Nate was professional, friendly and knowledgeable. This company never ceases to impress me. From the person that answers the phone to the people that come out to help. ALWAYS on time, responsive and caring. GREAT JOB NATE!!!
Classic Services AC & Heating

1893 State Highway 46 South, New Braunfels, TX 78130, United States

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