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How to Handle HVAC Damage

by Marquette Turner Luxury Homes

in How to, Variety

Unfortunate events such as flooding, blizzards, rainstorms and hailstorms can all cause damage to your HVAC system. Is this something that a simple DIY fix can handle, or do you need to call for professional help? Are there ways to prevent these kinds of damage, and what steps should you take once damage occurs?


These are common questions, since HVAC damage isn’t something we deal with on an average basis. This guide is here to help you handle damage to your HVAC system when it happens.

Drain Lines

Drain lines

Water is a natural part of your air conditioning systems. They cool down hot air to create condensation necessary on the evaporator coil. From there, it drips down into the condensate pan and empties through the drain line.

Sometimes, however, these drain lines can become clogged or damaged. While you can clean out a line with a little DIY know how, you might need the help of a licensed individual to replace one. Always use your best judgement, and never attempt a fix if you aren’t sure of what you are doing.


A top cause of HVAC damage is flooding, which usually requires the help of HVAC Contractors for emergency services. Aside from shorting out the system, flood damage ruin individual parts of the interior. If you suspect that you unit has suffered from excessive water damage, it is crucial to have it checked for damage as this can be a potentially dangerous situation.

Furnaces and Fuel Pipes

Many systems run on natural gas, propane or oil. Water damage to these units can occur in the supply lines, gauges and calves, causing corrosion that can lead to fire and explosion. Regular maintenance of these HVACs is essential to preventing a serious issue. If you suspect damage in the slightest, call a pro for help.

AC and Refrigeration

In these types of unites, the compressor and refrigerant lines are located outside of the unit. This leaves them exposed and prone to damage from impact or water. In the case of flooding, you can quickly disconnect and dry out these unites to avoid corrosion.


Unfortunately, insulation and air filters always need to be replaced after damage occurs.  They trap contaminants, making them unsafe after corrosion or water damage sets in. On the bright side, these are the least costly repairs to make on your HVAC unit.


Guarding Against Damage

One of the top tips experts give for protecting your HVAC unit is to purchase a cover and hail guard. Storms can cause debris to slam up against your unit, denting the aluminum and causing the coil and airflow to suffer. High winds may also cause debris to pile up around the unit, which is easier to remove with a proper cover.

In the event of a severe thunderstorm, it is highly recommended to unplug your unit. The same is true for any predicted power outages. Electrical surges coming through an HVAC system can spell disaster for your home, but stay away from the unit if you did not get the chance to unplug it beforehand or if it submerged underwater for your own safety.

Regular maintenance and cleaning, possible with a service such as Spotless Cleaning Chicago, can ensure that corrosion and water buildup are kept in check. Part of preventing damage is making sure that each piece inside the system is in good condition and running smoothly.

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