Your air conditioner has to work hard all summer long to keep your house cool. To do a good job of this, the AC has to be well-maintained, or a breakdown is a possibility. It's a common practice to have your air conditioner serviced in the spring before the cooling season begins. Here's why that's important and why you don't want to skip the service call.
Dirty Coils Can Ice Over
Turning down the thermostat on the heater in order to save money can be effective, but it can also leave you cold, literally. There is a point where you simply need the heater on to achieve a livable temperature in your home. If you can't lower the thermostat any more, you have a few other ways to save while keeping yourself cozy.
Use the Central Heater for Baseline Warmth and Space Heaters for Immediate Warmth