Furnace Blowing Cold Air?
Is your furnace blowing cold air? Regardless of the age of your furnace, you can experience problems that leave you unsure of what to do next. Some heating system problems are simple DIY fixes. However, there are times that you need an expert to fix the problem. If you let things go too long, the result could be frozen pipes or other issues. How do you know when to bring in a professional? If your furnace is blowing cold air, check these four things first before contacting a professional