AC units are something that people usually do not consider until there is an issue. In fact, it will never break down at any other time except for the hottest day of the year, when all the HVAC companies are booked solid with other clients.

The thing about AC maintenance in Colorado Springs is that homeowners keep learning the hard way. A system that gets looked at once a year rarely fails during a heat wave. A system that nobody touches for three or four years almost always does. It’s not complicated. It’s just what happens when you ignore equipment that runs hard every summer at over 6,000 feet of elevation in dry, dusty, UV-heavy Colorado air.

This guide tells you exactly what needs to happen and when for both home and commercial systems, so you’re not the person calling us in desperation in August.

Why Colorado Springs Is Hard on AC Systems

Many individuals don’t understand how important the altitude and climate conditions are when it comes to an AC unit. In our area, we have low air density, direct sunlight exposure, and temperatures that can vary up to 30 degrees in one day in the summer season alone. This leads to frequent starting and stopping of your HVAC system as opposed to what it would normally experience at lower altitudes and more moderate climates.

Our area experiences very little humidity, meaning dirt accumulates more often on your equipment. The high exposure to the sun will cause plastic parts to degrade at a higher rate than other climates that experience more cloudy weather. Also, the wind that occurs in this area causes dirt to go into the condenser unit.

Home AC Maintenance Routine

Home AC maintenance isn’t a long list of complicated tasks. It’s a few things done consistently that make a massive difference in how long the system lasts and how well it runs.

Change the Filter

This is the single most important thing a homeowner can do. A dirty filter blocks airflow, forces the system to strain, and causes the evaporator coil to freeze up. In Colorado Springs, change it every one to three months. If you have pets or if we’ve had a dusty stretch, go every month. Set a phone reminder if you have to. Just do it.

Clear the Outdoor Unit

Walk outside and look at your condenser unit. Is there grass or weeds growing up against it? Debris piled against the fins? That stuff blocks the heat that the unit is trying to release. Cut back anything within two feet and rinse the fins gently with a garden hose a couple of times during the summer. Don’t use a pressure washer. Just a regular hose, gentle stream, done.

Annual Professional Visit

Once every year, at the beginning of spring, while it is still not hot, have the technician come to your property and do a complete checkup of the whole system. He will clean those coils that you cannot clean yourself due to danger, test the electrical systems, grease the moving parts, and ensure everything works as intended.

Window AC Maintenance

Window AC maintenance takes less time than people think and makes a real difference in how well the unit keeps up with a Colorado Springs summer.

Pull the filter out every two to four weeks when the unit is running regularly. It’s usually right behind the front panel and takes thirty seconds to remove. Rinse it under the tap and let it dry completely before putting it back. A clogged filter on a window unit is the number one reason they stop cooling well, and it costs nothing to fix.

The coils on the back of the unit that face outside collect dirt and dust from the outside air. Once at the start of the season, brush them gently or rinse them off before you put the unit in the window. Bent fins from rough handling also block airflow; a fin comb from any hardware store straightens them out.

Check that the unit still tilts slightly toward the outside. Condensate drains out the back, and if the tilt is wrong, that water drips inside your room instead of outside. It takes five seconds to verify.

Ductless AC Maintenance

A lot of people with ductless systems think the units are basically maintenance-free because they look clean from across the room. They’re not.

Ductless AC maintenance starts with the filters inside each air handler. These slide out easily on almost every brand, and they need to be rinsed or vacuumed every two to four weeks during periods of regular use. A completely clogged filter on a ductless unit is one of the most common reasons these systems freeze up and stop producing cold air. It’s a ten-minute fix that prevents a service call.

The coils inside the air handler need professional cleaning once a year. Dirt on ductless coils can build up in a manner that s, kind of not really visible from the outside, and it can’t be reached without the proper tools, plus some training. The outdoor unit still needs clear space around it, debris-free fins, and, every year, an inspection of the refrigerant line connections where leaks most often appear.

Commercial AC Maintenance

Air conditioning system maintenance for a commercial property is the same idea as residential maintenance, but with more at stake when something goes wrong. A system that fails in a restaurant kitchen during a Saturday dinner service or in a retail space during a busy weekend is not just uncomfortable. It’s a real operational problem with real consequences.

Commercial systems need professional maintenance visits twice a year. Once in spring, before the cooling season starts, and once in fall, before the heating season. These visits cover all the same things a residential tune-up does but on a larger scale. More components, more electrical connections, more zones to check.

Filters in commercial systems usually need to be changed monthly during heavy use periods. Drain lines carry more condensate and need to be checked more often. Coils in commercial systems accumulate debris faster because of the sheer volume of air moving through them every day. Skipping maintenance on a commercial system is a much riskier decision than skipping it on a home unit.

Signs Your System Needs Help Right Now

Don’t wait on any of these. This means something is already wrong and it’s not going to fix itself.

• The system runs all day but the building never gets cool
• Energy bills went up but nothing changed about how you use the system
• Ice is forming on the indoor unit or the refrigerant lines
• Water is dripping from the indoor unit or overflowing the drain pan
• There’s a burning smell or a musty smell when the system runs
• The system short-cycles constantly, turning on and off every few minutes
• Strange rattling, grinding, or squealing sounds during operation

Call for AC service when any of these show up. Waiting makes every single one of them worse and more expensive to deal with.

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