Loveland, CO, is no stranger to warm, sunny days. While the area is famous for its beautiful scenery and mild mountain breezes, the summer months can still bring extended periods of heat that leave homeowners relying heavily on their air conditioning systems. In fact, according to the National Weather Service, Loveland averages over 50 days each year with temperatures reaching at least 85°F. When you combine that with occasional dry spells and intense afternoon sun, it’s easy to see why AC systems get quite the workout.
If your AC has been running nearly non-stop since the start of summer, you may be wondering how to prevent it from overworking as the season draws to a close. Even though cooler autumn temperatures are on the horizon, the end of summer can still put a lot of strain on your cooling system. By taking a few proactive steps now, you can not only help your AC work more efficiently, but you can also extend its lifespan, improve indoor comfort, and avoid costly repairs.
Understanding Why ACs Overwork in Late Summer
Before we dive into prevention tips, it helps to understand why AC units tend to struggle more toward the end of summer.
High Daily Usage
By late summer, your air conditioner has already been running for weeks—sometimes months—without much of a break. This continuous operation causes wear and tear on components like the compressor, condenser coils, and fan motors.
Buildup of Dirt and Debris
Dust, pollen, and airborne particles tend to accumulate in filters, vents, and coils over time. This buildup makes it harder for your AC to move air efficiently, causing it to run longer to achieve the same cooling results.
Heat Retention in the Home
Warm weather patterns often linger into September in Loveland, and homes can hold onto heat absorbed during the day. When your house acts like a heat sponge, your AC has to work harder to bring indoor temperatures back down.
Reduced Efficiency from Wear
An AC system can lose up to 5% of its efficiency every year without proper maintenance, according to the U.S. Department of Energy. By the end of summer, that efficiency drop can become noticeable if the system hasn’t been tuned up.
Signs Your AC May Be Overworking
Recognizing the signs of an overworked AC can help you take action before a breakdown occurs. Watch for these indicators:
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Longer Cooling Cycles: If your AC seems to run endlessly without shutting off, it could be struggling to meet your thermostat setting.
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Inconsistent Temperatures: Some rooms may feel cooler than others, suggesting airflow issues.
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Unusual Noises: Grinding, buzzing, or rattling sounds can indicate mechanical strain.
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Higher Utility Bills: If your electricity bill has spiked without a change in your usage habits, your AC may be consuming more energy than necessary.
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Reduced Airflow: Weak or warm airflow from vents can signal clogged filters, duct obstructions, or failing components.
How to Prevent Your AC from Overworking in Late Summer
1. Keep Your Air Filter Clean
A clogged filter is one of the most common causes of AC inefficiency. Dirty filters restrict airflow, forcing your system to work harder to push cool air through. It’s best practice to check your filter at least once a month during peak cooling season. Replace it if it’s visibly dirty or according to manufacturer guidelines. Some households, especially those with pets or allergies, may need more frequent changes.
2. Schedule a Professional Tune-Up
Preventive maintenance is key to keeping your AC running smoothly. A tune-up by a licensed HVAC technician involves checking refrigerant levels, cleaning coils, tightening electrical connections, and ensuring all moving parts are properly lubricated. According to the Building Efficiency Initiative, routine maintenance can reduce your AC’s energy use by 5% to 15%, lowering both operating costs and system strain.
3. Use a Programmable or Smart Thermostat
If you’re cooling your home the same way 24/7, you may be wasting energy and overworking your AC. Programmable and smart thermostats allow you to adjust temperatures automatically when you’re away or asleep. Setting your thermostat 7–10°F higher for 8 hours a day can save up to 10% on cooling costs annually, according to the U.S. Department of Energy.
4. Improve Airflow Around the Outdoor Unit
Your AC’s condenser unit needs space to breathe. If it’s surrounded by overgrown plants, debris, or stored items, it can’t expel heat effectively. Keep at least two feet of clearance around the unit and occasionally rinse it gently with a garden hose to remove dust and dirt.
5. Seal and Insulate Your Home
Air leaks in windows, doors, and ductwork force your AC to work harder. The Department of Energy estimates that up to 30% of cooled air can be lost through leaks in ducts alone.
Actions to take:
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Use weatherstripping around doors and windows.
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Seal duct leaks with mastic or foil-backed tape.
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Add insulation to attics or crawl spaces where possible.
6. Use Ceiling Fans to Assist Cooling
Ceiling fans don’t lower the temperature, but they create a wind-chill effect that can make a room feel up to 4°F cooler. This allows you to raise the thermostat slightly without sacrificing comfort, reducing strain on your AC.
7. Limit Heat-Producing Activities
Using ovens, dryers, or other heat-generating appliances during the hottest part of the day can make your AC work harder. Instead, cook outside on a grill, run laundry at night, and switch to energy-efficient LED lighting.
8. Keep Blinds and Curtains Closed During Peak Sun
Direct sunlight can significantly increase indoor temperatures. Closing blinds or using thermal curtains during midday can reduce heat gain by up to 77%, according to the Department of Energy.
The Role of Regular Maintenance in AC Longevity
Even with all these tips, the most effective way to prevent overworking is through consistent maintenance. HVAC systems that receive annual tune-ups last 40% longer on average compared to those that don’t.
Regular maintenance not only improves efficiency but also helps technicians spot potential problems early—before they cause system breakdowns in the middle of a heatwave.
Why AC Efficiency Matters for Loveland Homeowners
Loveland’s combination of warm days and cool nights can cause frequent cycling of your AC. If your system is overworked:
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Energy Costs Rise: A struggling AC consumes more electricity.
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Repair Costs Increase: Overworked components fail sooner, leading to more frequent repairs.
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Comfort Decreases: You may notice uneven cooling or humidity problems.
Investing in efficiency now helps ensure your AC will still be reliable when next summer rolls around.
Common Myths About Preventing AC Overwork
Many homeowners fall for outdated or inaccurate advice. Let’s set the record straight:
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Myth: Lowering the thermostat drastically will cool the house faster.
Truth: Your AC works at the same speed regardless of the thermostat setting—it will just run longer, using more energy. -
Myth: Closing vents in unused rooms saves energy.
Truth: This can increase pressure in the duct system, leading to leaks or mechanical damage. -
Myth: Bigger AC units are always better.
Truth: An oversized AC can short-cycle, reducing efficiency and causing uneven cooling.
Preparing for Next Summer
If your AC has shown signs of strain this year, late summer is the perfect time to plan ahead. Consider scheduling a fall inspection so any repairs or upgrades can be made well before the next hot season begins. That way, you’re not scrambling during peak demand, when HVAC service appointments can be harder to book.
For AC Services in Loveland, CO, Contact IMS Heating & Air Inc. Today
Keeping your air conditioner from overworking during the end of summer isn’t just about comfort—it’s about protecting your investment, reducing energy costs, and ensuring long-term reliability. IMS Heating & Air Inc. has the expertise and experience to help Loveland homeowners keep their AC systems running at peak performance.
Whether you need a routine tune-up, system repairs, or expert advice on efficiency upgrades, our team is here to help. By partnering with IMS Heating & Air Inc., you can enjoy a cooler, more comfortable home—without putting unnecessary stress on your AC.
