Patching an Old HVAC System
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Patching an Old HVAC System

When I married my husband ten years ago, I reluctantly agreed to move into the older brick home he already owned. I knew the house was outdated. Unfortunately, I didn’t have any experience renovating an older place. Immediately, I noticed the old central air conditioning unit in the home. After thoroughly inspecting the equipment, I was afraid the ancient unit wouldn’t make it through my first summer in my new place. Thankfully, I was wrong. After ten years, this same air conditioning system is still running smoothly. However, it has received some diligent care from a reputable HVAC contractor over the years. On this blog, you will discover the ways an HVAC contractor can restore an older air conditioning unit.


Patching an Old HVAC System

2 Causes Of A Leaking Air Conditioner

Mary Gonzalez

Condensation is a natural result of any running air conditioner, one that all ACs are designed to deal with--in theory, anyway. Unfortunately, things don't always work so perfectly in the real world. If you would like to learn more about air conditioner maintenance, read on. This article will introduce you to two common causes of a leaky AC.

Clogged air filter.

If you're surprised to hear that an air filter led to a leaky AC, you're probably not alone. But what you need to appreciate is that without proper air flow, an air conditioner can't work correctly.

If a filter is allowed to grow too choked with dirt and debris, the restricted air flow will cause ice to develop on the coils of the evaporator unit. The next time your air conditioner shuts down, all of that ice will begin to melt, and before you know it you've got a nasty, recurring leak.

Luckily, you can prevent this type of leak simply by swapping out your filter for a new one when it gets too dirty. During the hot months, you should plan on doing this a minimum of every three months. Alternatively, you could choose to invest a little more in a reusable air filter. With these, a simple rinse with the hose is enough to remove dirt and restore air flow to the desired level.

Crack in the drain pan.

Here's how an air conditioner works, in a nutshell: warm air is cooled by being circulated through a series of coils filled with refrigerant. As a result of this process, water vapor tends to condense, building up until eventually it starts to drip down from the coils.

In order to keep this water from causing problems, all air conditioners are equipped with a so-called condensate drain pan. The purpose of this component is to catch the dripping water and to redirect it to an appropriate drain site.

But because drain pans are constantly being exposed to changes in both temperature and moisture, they have a tendency to develop corrosion as they age. Eventually this leads to cracks or holes that allow water to drip out where it shouldn't.

If your AC has been leaking, it's a good idea to take off the front grill, remove the air filter, and inspect the drain pan you should find below the evaporator coil. If you notice that it's cracked or otherwise damaged, remove the pan. Fix any smaller sized holes with a waterproof epoxy. If the damage is more extensive, purchase a replacement as soon as possible. If you can't find the source of your leaky air conditioner, talk to a technician from a company like Phil's Heating and Air Conditioning, Inc.