If your thermostat seems to refuse to get your home warm enough and your furnace is not providing the levels of heat that you need to stay comfortable, you probably need to have a professional HVAC technician troubleshoot what is going on. Before you call for professional furnace troubleshooting and furnace repairs, though, you should check a few things yourself to make sure that it’s not a minor DIY furnace problem that you can take care of yourself and not have to spend money on the service call for your HVAC system. We’ve outlined a few of those minor issues below.

We’re technically into the fall season now, but we’re still experiencing some pretty hot days. You might be using your air conditioner during the day for a couple more weeks before turning it off for the season. That means that you still need to be careful about any issues that might develop with the system. One of the first signs people notice that their air conditioner is in trouble is when it stops cooling properly. If your air conditioner isn’t cooling your home the way it should be, there are a number of things you should check before calling for repairs.