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Going from Hot to Cold: What Happens to Your HVAC and Your Body

January 11, 2019 Published by Leave your thoughts

Remember last February, when the temperature here in Lexington shifted suddenly, going from the 30s to the 80s in a matter of days? And then the temperature went right back to the 30s again? A lot of stress is put on your entire HVAC system when it has to switch between the furnace and the air conditioner so suddenly. Sudden temperature shifts like these are also how illnesses come about. The body adapts to change even less quickly than the HVAC.

For this reason, your HVAC going from hot to cold in a heartbeat can wreak havoc on more than just your heater and air conditioner—the conditions of your health and body are at risk, too. Here’s how cooling and heating contractors in Lexington, KY suggest you prepare your systems for the changing seasons.

Prep your HVAC

Some parts of the United States are fully capable of experiencing more than one type of weather during any giving season, like changes from cold and windy to hot and sunny within hours. Below are some steps to take to help your HVAC system survive these dramatic swings:

  • Change air filters: Professional HVAC technicians recommend changing your system’s air filter once a month, and the longest your filters should go unchanged is three months. If you find it hard to remember to change your air filter every month, write it on your calendar or set reminders on your phone. Buy several filters at a time so one is always on hand when needed.
  • Test the thermostat: Even if your thermostat seems to be working well, test it for accuracy at the start of the new HVAC use season. You can also change your thermostat. Installing a smart thermostat or updating the current one can lower your energy bills and save your HVAC system from having to work harder. Whether old or new, test it for accuracy, and calibrate it for the seasonal temperatures.
  • Schedule a tune-up: The best times of the year to schedule an HVAC tune-up are fall and spring. A trained HVAC specialist will run a performance check, clean the parts of the unit and identify potential furnace repair needs in Lexington, KY.

Hot and cold impact

The temperature suddenly going from hot to cold and back again can cause new illness, exacerbate pre-existing conditions and trigger symptoms of chronic diseases. A high body temperature can lead to heat stroke, increased heart and respiratory rates and damage or stress to the heart, brain, lungs, liver and kidneys. Cold weather, meanwhile, causes the body to lose heat at a faster rate. Stored energy gets used up, leading to hypothermia, which can put strain on the heart and other organs, impair blood flow and cause cardiac muscle sensitivity. Although indoor temperatures may not be as extreme as those seen outdoors, sudden fluctuations can still make people sick.

Call Cross Heating & Air Conditioning Services, LLC to schedule an appointment with our experienced cooling and heating contractors in Lexington, KY this winter to ensure your HVAC system is ready for whatever nature sends our way!

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