The other 20% is lost through the chimney, air leaks, and other openings.
Conventional standard efficiency furnaces have an 80% efficiency rating, meaning they convert 80% of the energy created to heat your home. The rating should be printed on a yellow EnergyGuide label on the unit. Furnace AFUE ratingĪnother way to determine the furnace type is to locate the Annual Fuel Utilization Efficiency (AFUE) rating.
A metal pipe suggests you have a conventional standard efficiency furnace. If the pipe is polyvinyl chloride (PVC), meaning it looks like white plastic, then you likely have a high efficiency furnace. The exhaust pipe, often referred to as the flue pipe, is responsible for venting the exhaust from your furnace out of your home. The furnace exhaust pipe material is the biggest indicator of the type of unit you have. However, there are three main differentiators to help you determine the type of furnace in your home. What kind of furnace do I have?Ī high-efficiency condensing furnace and a conventional furnace have a lot in common. Avoid further damage by calling on a local company if water leaking from furnace components is one of multiple issues you’re experiencing with your unit. Our guide is meant to walk you through possible causes and solutions but certainly doesn’t replace the expertise of a reliable industry technician. Call a repair technician if the leak persists.Consider the ease and your comfortability in performing small DIY tests.Inspect the unit to find the source of the leak.Establish whether the furnace leaks when the air conditioner is on.Consider the most likely leak sources based on your ownership of either a high efficiency condensing furnace or a conventional furnace.Determine the type of furnace in your home.What to do about a leaking furnaceĮven if you eventually call in a furnace repair company, understanding why your furnace is leaking water empowers you to choose the best solution and ask questions to understand how the repair will be made.īelow are our recommended steps to take after discovering a furnace leak but before you contact a repair company: Once you’ve narrowed the field, we’ll dive into the possible causes of a leaking furnace, highlighting the fixes you can try at home and noting when it’s best to call in an HVAC specialist. We’ll walk through the two primary types of furnaces and how to tell which you own. To better troubleshoot why your furnace is leaking water, you need to know the type of unit you have in your home. There are several possible reasons behind your furnace leaking water, a few you may address yourself and others that will require a technician to remedy the problem. Stepping into a puddle of water near your furnace is often the most obvious symptom of a leaking unit.
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