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Homeowners should understand how to fix a condensation leak in a furnace themselves. One reason is that leaks aren’t normal and need immediate repairs! Two, doing this yourself can save on an otherwise unnecessary furnace or AC repair bill.
To fix a condensation leak in a furnace:
Is your furnace leaking water? If these simple steps don’t remove condensation and leaks around the furnace, it’s time to call a professional. To better understand what this means and how to address needed fixes, keep reading! Discussing each of these in more detail ensures quality furnace repairs. Additionally, you’ll also know when to call a contractor for any work outside your area of ability.
First, it’s helpful to understand some furnace and air conditioning basics. Second, we’ll discuss how to address furnace leaks step by step.
Homeowners often forget that ductwork connects a furnace and air conditioner. Both appliances use the same filter when circulating cooled or heated air through a home. In turn, air conditioner repair issues can show up around the furnace, especially when it comes to the heat exchanger!
An air conditioner produces condensation around its evaporator coil as it operates. A drain line, usually a small white PVC pipe, directs that condensation to a nearby drain. A drain pan or floor drain, under the pipe, helps capture condensation as it drains.
Some home HVAC systems also include a condensate pump. This pump works to collect and then pump away condensation as it forms. This is why you shouldn’t normally see your air conditioner or furnace leaking water.
There are four common reasons for air conditioner condensation leaks:
Now that you know more about your HVAC system’s design and leak causes, you’re ready to tackle this issue! First, shut off the circuit breaker to the furnace and air conditioner. Second, clean any standing water and other debris so that you can see all those parts clearly.
Next, check the furnace filter and replace one that looks cloudy, dark, or otherwise ready for changing. Inadequate airflow through the filter can mean less condensation evaporation. In turn, a new filter can sometimes address a condensation leak.
Clogs commonly risk condensation leaks, as these allow moisture to back up in that PVC pipe. Consequently, you can use a wet-dry vacuum and clean out the pipe carefully. Switch on the circuit to the AC after cleaning and note if this addresses the condensation leak.
Also, check the drain pan for cracks and other damage. A damaged drain pan allows condensation to collect around your appliances rather than directing it to a nearby drain. Replacing the pan can remove condensation from around the furnace quickly and easily.
Lastly, test if there's a condensate pump leaking by pouring a small amount of water over it and noting if it switches on. If not, it’s probably time for pump replacement. A new pump can often address built-up condensation and furnace leaks.
Don’t overlook water leaks from your home’s furnace! One reason to schedule prompt repairs is that standing water holds bacteria and other unhealthy impurities. Two, condensation buildup wears down furnace parts prematurely. Is a furnace leaking water dangerous? It may be if not addressed. You risk poor indoor air quality and your furnace shutting down completely.
On the other hand, addressing a problem quickly when your furnace is leaking water can ensure better air quality throughout your home. Also, this avoids unnecessary wear and tear. As a result, you’ll save money in the long run by cleaning out the condensation line and replacing the pump when needed.
In truth, it’s normal for a home’s HVAC to leak a small amount of water along the home’s exterior. An air conditioner absorbs heat from the air as it circulates. In turn, some condensation is normal.
However, standing water inside or outside the home usually indicates a clogged drainpipe or broken pan. Not only is this water unhealthy but it also risks premature damage, as said. This is why it’s vital to understand how to fix a condensation leak in a furnace.
Additionally, too much condensation can signal that the AC isn’t functioning properly. It might be oversized for your home or running longer than it should.
You may also have a water leak elsewhere in the house that needs to be addressed if it's not your HVAC.
Condensation should drain out the condensate PVC pipe attached to an AC system, as said. In some cases, backed-up condensation drains out a secondary emergency line, often plumbed to the home’s exterior.
Air from an AC unit goes through a furnace filter. Insufficient airflow means condensation buildup, as air helps dry out that moisture buildup. In turn, a clogged furnace filter often risks an AC leak.
Condensation leaks are not the only signs of a dirty air filter! A clogged furnace filter might mean odd noises every time the furnace or AC cycles on. Additionally, you might notice weak airflow, unpleasant smells, and poor indoor air quality. This might include dust buildup or a clammy, musty feeling during the summer months.
Also, clogged filters make a furnace or AC work harder than usual to force air through them. In turn, you could see higher energy bills or premature breakdown. Lastly, note that any oddly colored filter or one that just looks dirty needs replacing!
Humble HVAC Repair Pros is happy to help explain how to fix a condensation leak in a furnace. Hopefully, we’ve helped answer the question! Check out our blog for even more great tips. Also, you can call our Humble TX HVAC repair contractors if you’re in the area and need expert services. We guarantee our work for quality and ensure outstanding customer care as well.
