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COMMON HVAC PROBLEMSIN CHARLOTTEAugust 6, 2021How To Eliminate Surface Water From Your HVAC Condensate Drain Line

How To Eliminate Surface Water From Your HVAC Condensate Drain Line

Optimizing your HVAC drainage in neighborhoods are tricky, because there’s always the risk that drainage can just run onto someone else’s property. It might be easier to have a specialist analyze the situation and design a solution that keeps everybody in the neighborhood happy.

If you choose to hire someone or tackle the problem yourself, your solution is likely either going to be making the soil better absorb the water, routing the water away, or a combination of both.

Absorbing in Your Yard

Perk Testing Soil
Perk Testing Soil

If the continuous drip of water from your HVAC condensation line is causing the ground to get muddy, your clay soil probably isn’t draining very well. Try these tips to help the soil soak up the water:

  • Change the Grade of Your Lot: If your yard slops toward your house, you may need to consider having your lot graded to give the surface water the advantage of gravity to flow away. If you decide to have this done, be sure to have a specialist analyze the topography, to make sure the problem won’t simply be moved someplace else.
  • Soil Perk Test: A homeowner can perform a simple perk test to determine your soil’s drain rate.
  • Aerate Your Yard: Core aeration works remove small plugs of soil, which allows you to top-dress the lawn to add organic thatch. If this is maintained the soil will drain more effectively over time.
  • Incorporate Plants: Put that excess water to use by planting vegetation that absorb the water.
  • Trim a Heavily Shaded Yard: Thinning the surrounding trees and shrubbery can help to make sure your yard has more wind circulation and sun light to help it dry out.



Routing the water away

  • Catch Basin
    Catch Basin

    Below Drain Pipe: This is one of the most common methods if your yard slopes. Simply bury the drain pipe in your yard surrounded by gravel and point the line down the slope.

  • Above Ground Extension Pipe: The simplest solution is to attach an extension pipe or drain line to your AC drain, then extend it downhill away from the house. This works better if you can channel the water into a garden or flower bed that can use the water.
  • French Drain Trench: A French drain is useful and also common. This drain type routes water away underground by allowing it to flow through a gravel filled trench. This creates more surface area of the water to dissipate.
  • Catch Basins: If the water is building up on the surface of the ground, you can put a catch basin in the center. A catch basin is simply a buried concrete or metal box with a grate on top and openings for underground pipes to connect. Surface then water runs into the catch basin and flows away in buried drain pipes.
  • Collection Barrel: If your AC unit is high enough off the ground (as if it’s coming from the attic of your home), you can route the condensate drain pipe into a bucket or rain barrel, then use it to water a garden.
  • Gravel Dry Well: If there’s no place to route the drainage pipes(as if your yard does not slope away from the house), you can build a dry well at the lowest point. A dry well is a hole dug and filled with gravel, which provides a place that allows for the water to have more surface level to disperse into the ground without creating a muddy mess or a breeding ground for mosquitos.


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