This post is going to be a bit of deflection, because the answer to the question is a simple one: Yes, your furnace works harder on colder days. It doesn’t work differently when it’s colder—the same principles of how the furnace heats and distributes air are at work. What makes the furnace work harder in cold weather is that it must run for longer to raise the interior temperature of your house to the target you need for comfort.
Now here’s where we deflect, because talking about your furnace working longer during cold weather needs some examination. The, ahem, cold fact we’re looking at is that you are probably making your furnace work harder than necessary on those cold days. This leads to higher energy bills, but it can also lead to a furnace that fails abruptly in the middle of one of the coldest days of the year. Knowing more about your furnace running on cold days can help you avoid emergency heating repair in Cincinnati, OH.
During fall, we stress the importance of our customers having maintenance for their gas furnaces. Maintenance takes care of many important steps to ensure the best performance from a furnace, but the most important benefit of maintenance is ensuring a furnace works safely. 
When your furnace turns on to warm up your house, you expect it to run long enough to deliver an even distribution of heat throughout the rooms. If it starts to shut down early, the house will have cold spots. When a furnace behaves this way, it’s called 
When you turn on your furnace on a cold winter day, you don’t expect to hear a symphony of strange sounds. In fact, the only sound you should ever hear coming from your furnace is the gentle sound of air whooshing through the vents. Therefore, if you are noticing any bizarre, out of the ordinary noises coming from your system, it is definitely time to schedule your repairs with an 
Deciding to let go of something you cherish can be hard. Who would want to let go of their beloved furnace during the middle of winter? Of course, it isn’t necessarily easy, but we are here to help. Trust us, you don’t want to be wasting your time with a faulty, outdated furnace. We understand that making the decision to replace your furnace can seem like a daunting task: a high-efficiency system can be a little costly upfront and having technicians working inside your home is almost never convenient. But, a new furnace just might be worth your while.
Even the best furnaces from the most trusted manufacturers in the industry are not going to function with 100% reliability. Furnaces are, like all other 
You assumed you had a few good years left with your 
During a winter storm, many homes in our area are left without power. While there are certainly ways to cope with the lack of lighting, there’s one system you cannot go long without: the furnace. However, if you have a gas furnace, you might not worry too much about this possibility. After all, the natural gas line is not affected by a power outage, right?