Do Power Outages Affect My HVAC Equipment?

Severe weather and fallen trees are some of the most common causes of power outages. We have all been inconvenienced by the momentary interruptions or worse, hours of no electricity. Once the power is restored our biggest concern is resetting the clocks throughout our homes. But have you considered the effects of power outages on your HVAC equipment?

If you are like most homeowners, you have taken steps to protect your valuable equipment with surge protectors and battery back-up power supplies. The computers in your home may already use an external hard drive or cloud service to routinely save your data in case your computer stops working. But what can you do for your HVAC system?

Back-up power generators that are large enough to operate your HVAC equipment and other critical electrical equipment can keep your family safe in the most disastrous conditions. And an electrician can recommend a generator that will run your heating and air conditioning as well as other items in your home in case of a power emergency.

If you do not have a back-up generator, you should take some basic steps to protect your valuable HVAC system in the event of a power outage.

  1. Turn off the system at the thermostat. This prevents the system from abruptly starting when power is restored. Sudden surges of electricity could damage the equipment and shorten its lifetime.

  2. When the power is restored, check your circuit breakers first. Reset any that were tripped by the power outage.

  3. Wait at least 20 minutes after resetting the breakers before adjusting the thermostat for your HVAC system. The reason for doing this is that most modern heating and cooling systems have internal circuit breakers that will need time to reset.

    The HVAC equipment should operate normally. If you have problems restarting the system call JMD Corporation/Jackson Heating and Air. We can schedule a visit by one of our technicians. Many times the problem is easy to remedy, but you may have a larger problem looming due to damage caused by the surge of electricity before or after the power outage.


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