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5 Mistakes You’re Making with Your Commercial HVAC Units

Published on: May 8, 2019

IMPORTANT NOTE: . Our company is located in British Columbia, Canada. If you are reading this article in another location, we hope you enjoy the information, but unfortunately we cannot service you. 

Sometimes HVAC systems and commercial companies go hand in hand perfectly. For example, if you run a restaurant or a grocery store, then the need for HVAC is unquestioned; temperature needs to be controlled in these types of businesses for comfort and health reasons. Other businesses may not necessarily need HVAC, but it’s a welcome addition especially during the hottest and coldest months of the year.

Just like at home, however, mistakes can be made with commercial HVAC too. Here are the top five mistakes you really need to avoid making with the HVAC for your business—or maybe you’re making these mistakes already and need the wakeup call (we’ll leave it up to you to figure that part out).

Mistake 1: Using the wrong sized units

The sizes used to heat up or cool down your company’s building does matter. Too small of a unit cannot aid a giant room’s temperature; likewise, an oversized unit can cause all sorts of problems.

You need to go over these measurements with a professional HVAC technician; they’ve been trained to understand better how big or small a unit must be in order to perform its heating or cooling tasks properly. That way, you’ll know a more adequate system has been installed. Besides, the newer units are built to be more energy efficient than the older ones.

Mistake 2: Failing to provide the units space

Anytime you have an HVAC system installed in your commercial building, there needs to be enough space surrounding it so it can do its job right. Without proper space, the unit will force itself to work harder than it should to ensure its cooling or heating process is complete. Give those units space! The general rule is 2 feet of space all around, regardless of its location.

Mistake 3: Constantly fiddling with the thermostat

Repeatedly adjusting the thermostat on commercial HVAC is a big no-no for a lot of reasons. One, it forces the HVAC units to work harder than they need to. Two, it means no one will be comfortable. Three, it wastes more energy than you may even realize. In order to maintain a proper temperature, you need to keep that thermostat level and don’t touch it too often. If everyone at work is leaving for the day and it’s a long weekend, then at most you should only turn the thermostat either up or down by 3 degrees—no more than that.

Mistake 4: Improper duct systems

Just as the HVAC unit needs to be properly sized, so too should the air duct system attached to the units. You will not be able to achieve proper airflow or ventilation to rooms that need it the most (the computer room is one example) if you attach a newer unit to your older ducts. Likewise, you can’t just replace the ducts and expect your older HVAC unit to accommodate them.

Unlike clothing, HVAC installations are not a one-size-fits-all solution. For every purpose, whether commercial or residential, the system itself, the space surrounding it, and even the size of the ductwork must all be measured correctly in order for the unit to function at its very best.

Mistake 5: Failing to clean and maintain regularly

This is the biggest mistake of all because if you don’t clean or maintain your commercial HVAC units regularly, you lose valuable money and energy that could be going towards paying for other assets. Another thing that causes you to lose money is to pay for repairs to an aging system that really should be replaced outright instead of repaired—especially if it’s older than 15-20 years. Failing to clean the system filters also means you are exposing yourself and your staff to air pollutants and dust—and no one likes to work when they’re sneezing and coughing all the time.

Drainage problems in the HVAC systems for commercial buildings can also occur if you fail to clean and maintain them properly. Accumulating water that’s not drained properly can lead to mold and air pollutants; in cold weather the water can back up and freeze the insides of pipes; if the drainage system isn’t set up properly, it can lead to water leaks that create severe building damage. All of which spells trouble for your business!

If you’ve discovered one or more of these mistakes has been made, it’s not too late; get in touch with our professional technicians. We can replace or install older commercial HVAC with better, properly sized units. At Rep-Air Heating And Cooling we provide our customers with many options that will best suit your needs from heating and cooling to refrigeration. Contact us today for your complimentary quote: 1-778-728-1476 or and don’t forget to take a look at our website: Follow us on Facebook and Instagram for free giveaways!

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