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What is AFUE?

Knowing what percentage of fuel usage is actually used to heat your home helps you determine how efficient a furnace is. This measurement is a rating called AFUE, or average fuel utilization efficiency. This measurement can be applied to electric, gas or oil fired furnaces and can range from 80 to 100 percent for new … Read more

Checking Your Flue

Your home’s furnace burns gas or oil to keep your home warm during New Jersey’s cold winters. Burning either of these fuels produces gases such as sulfur dioxide, carbon monoxide and nitrogen dioxide. To keep you and your home safe, these gases must be vented to the outside. Many New Jersey homes have a flue … Read more

How Do You Know When Your Furnace Ignitor is Bad?

There are a few components in your heating system that are easy to replace and are not too difficult to master.  Changing out furnace filters in spring and fall is one of them.  When it comes to furnace ignitors, however, this fairly dangerous and complicated bit of machinery is not a do it yourself project.  … Read more

Home Energy Expenses

Did you know that about 48% of all residential energy use is for the heating and cooling systems in your home?  These Department of Energy figures indicate that improving heating efficiency will help hold down utility costs during cold weather in New Jersey. Additionally, upgrading to an Energy Star certified furnace can save approximately $94 … Read more

What Causes a Furnace Blower to Stop Working?

It’s winter.  Inside it should be warm, but you feel chilly.  Then you notice that there is no sound coming from your furnace and realize that your system’s blower has stopped working.  No blower means no warm air is being delivered through your vents to your rooms and it is getting colder by the hour. … Read more

Is Oil to Gas Conversion Worth It?

Why Should I Change to Natural Gas? Lots of homeowners are converting their heating systems from oil to natural gas. In New Jersey, natural gas is the preferred fuel choice for many reasons including cost, efficiency and cleanliness. Celestial Air understands that the conversion process is thought to be complicated process, and we want you … Read more