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Serving The Greater Fresno Area Since 1970

Serving The Greater Fresno Area Since 1970


Donald P. Dick Air Conditioning Blog

Better Prepare for the Next Heatwave


As we reach the end of the summer, it’s a good time to reflect on how well our HVAC system coped with the heat we faced. Did your business or commercial building struggle with overheating during heat waves? What can you do to be better prepared next summer?

We’ve got some information for you about how to get the most out of your commercial HVAC system. Keep these things in mind, and your building will fare better the next time extreme heat strikes.

How Air Conditioners Work

As powerful as a commercial air conditioner is, it’s still really only intended to lower the ambient temperature by around 20 degrees. This might not seem like enough. Clearly, as we can see by the commercial refrigerators at grocery stores, it’s possible to cool air much more than that! But those systems would be extremely inefficient in a whole building.

The first thing to remember is that setting your thermostat more than 20 degrees lower than the outdoor temperature will only result in frustration and higher energy bills. It won’t really bring the temp down. So if it’s 100 degrees out, set the thermostat to 80.

Keep the Heat Out

Insulation is your best ally in keeping heat out and cooled air in. Consider whether there’s anything you can do to improve your building’s insulation. Make sure doors and windows shut tightly, and close up drafty places with door-bottom strips, rope caulk, or other weatherization products.

Don’t forget that sun hitting windows creates a greenhouse effect. It will be easier to keep your building cool if blinds or curtains are used at times when the sun hits the windows.

Moving Air Feels Cooler

Ceiling fans, set to spin counterclockwise, can make a big difference. It won’t lower the temperature of the air, but it will lower people’s body temperature. Here’s how.

Every molecule of air that brushes against your skin, as long as it’s even a tiny bit cooler than body temperature, carries away a little heat with it. The more molecules of air that brush against you, the more heat is carried away, so when air moves, your body will cool down.

Humid Air Feels Hotter

The other way your body cools down is by perspiring. If the air carries away a bit of moisture from your body, it will cool you more. If the air is already saturated with moisture, it can’t absorb any more. A dehumidifier can go a long way toward making a space feel much cooler, even when the temperature stays the same.

Rely on the Experts

Whether you’re in the market for a dehumidifier for your business or have other questions about commercial HVAC in Kingsburg, CA, you’ve come to the right place.

We strive to provide honest answers and solutions to the problems our customers’ experience while remaining highly competitive in price, and offer the fastest turnaround you can find! Contact Donald P. Dick Air Conditioning to schedule service or sign up for Mr. Cool’s Super Saver Program.

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