If you have noticed a high electric bill in summer and your air conditioner seems to be working harder than usual, you are not imagining it. Georgia’s heat and humidity push cooling equipment to its limit for months at a time, and small problems that go unnoticed in the spring can turn into real money by August. Before you assume your rate went up, it is worth looking at what your AC is actually doing behind the scenes.

What’s Really Driving Up Your Summer Energy Costs

Cooling typically accounts for a large share of a home’s total energy use once outdoor temperatures climb into the 90s. When your equipment is working the way it should, that cost is simply the price of comfort during peak season. When something is off, your equipment runs longer and harder to hit the same temperature, and that extra runtime shows up directly on your bill.

Most of the issues behind a high summer bill are identifiable, and several are preventable with routine care. Here are five common culprits we see in Georgia homes.

Dirty Air Filters

A clogged air filter is one of the simplest and most common reasons an AC starts using too much electricity. When airflow is restricted, the blower has to work harder to push cooled air through the home, which increases energy use and adds wear on the equipment. Filters should generally be checked monthly during peak cooling season and replaced as soon as they look gray or matted.

Low Refrigerant or a Refrigerant Leak

Refrigerant does not get “used up” the way fuel does. If your system is low, it almost always points to a leak somewhere in the line set or coil. A low charge forces the compressor to run longer to reach the thermostat’s setpoint, which drives up cooling costs and can shorten the life of the compressor if it goes unaddressed.

An Aging or Undersized System

Equipment that is nearing the end of its expected lifespan loses efficiency year over year, even with regular maintenance. A system that was undersized for the home to begin with faces a similar problem: it simply cannot keep up on the hottest days without running almost constantly, which is a common reason an air conditioner ends up using too much electricity every July and August.

Thermostat Set Too Low or Miscalibrated

Every degree lower than necessary adds real cost over a full cooling season. A thermostat that is miscalibrated, poorly placed near a heat source, or set aggressively low can quietly drive up usage without the household ever changing its habits. This is often one of the easiest issues to catch, since it shows up clearly once the settings are reviewed.

Leaky Ductwork or Poor Airflow

Ductwork that has gaps, disconnected joints, or crushed sections can lose a significant amount of cooled air before it ever reaches your living space. That lost air still costs money to produce, which means the home stays warmer than the thermostat suggests while the electric bill keeps climbing. Poor airflow from blocked vents or an undersized return can create the same effect.

Simple Ways to Cut Cooling Costs This Summer

Once the underlying HVAC issue is identified, a few consistent habits go a long way toward keeping cooling costs manageable for the rest of the season:

• Change filters monthly: A clean filter keeps airflow steady and prevents the blower from overworking.
• Use a programmable or smart thermostat: Small, automatic adjustments while you are away or asleep add up without sacrificing comfort when you are home.
• Keep vents and returns clear: Furniture and curtains blocking airflow force the equipment to run longer to reach the same temperature.
• Schedule annual maintenance: A tune-up catches refrigerant, airflow, and component issues before they turn into a bigger repair or a bigger bill.

These steps help you get consistent cooling without waiting for a full breakdown to find out something was wrong.

Frequently Asked Questions

Why is my AC making my electric bill so high?

An air conditioner usually drives up your bill when it has to run longer to reach the same temperature, which happens with dirty filters, low refrigerant, leaky ducts, or aging equipment. A professional inspection is the fastest way to pinpoint which of these is affecting your home.

How can I lower my AC bill in summer?

Changing filters monthly, using a programmable thermostat, keeping vents unobstructed, and scheduling annual maintenance are the most effective ways to reduce cooling costs. These habits help your equipment run the way it was designed to, rather than working overtime.

What is the best AC temperature to save electricity in summer?

Many energy experts recommend setting your thermostat around 78 degrees when you are home and a few degrees higher when the house is empty. The smaller the gap between the indoor and outdoor temperature, the less your system has to work to maintain it.

When It’s Time to Call a Professional

If your electric bill keeps climbing even after checking the basics, the cause is likely something that needs a trained eye, whether that is a refrigerant leak, an airflow restriction, or equipment nearing the end of its useful life. 

Pillar Heating & Cooling helps homeowners across Griffin, McDonough, and the surrounding communities track down what is driving up their cooling costs and fix it the right way the first time. Our technicians walk you through honest, pressure-free recommendations.

According to the U.S. Department of Energy’s Energy Saver program, cooling and heating account for a significant portion of a home’s total energy use, which is why small HVAC problems show up so clearly on a summer bill. If you are ready to stop guessing and get a straight answer, book service online and our team will get your home back to running efficiently.

Your AC is running, but your home still feels stuffy at 3 p.m. You check the thermostat, bump it down a degree, and wonder if there’s a better way to handle this. A smart thermostat might be exactly what you’re looking for, but before you run to the hardware store, it helps to understand what these devices actually do and whether the upgrade makes sense for your situation.

How a Smart Thermostat Works

A smart thermostat connects to your home’s Wi-Fi and gives you control over your heating and cooling from your phone, tablet, or a voice assistant. Unlike a basic programmable thermostat that follows a fixed schedule, a smart thermostat adjusts based on your actual habits and preferences.

Most models learn when you’re home, when you leave, and what temperatures you prefer. Some use sensors in multiple rooms to balance comfort across your home. Others connect to local weather data and make automatic adjustments before a hot afternoon hits, so your home is already cool when you walk in the door.

The setup usually takes less than an hour, and most units are compatible with standard central AC and heating setups. If you already have a thermostat repair issue or an older unit that’s not holding temperature well, that’s often a sign a replacement is overdue anyway.

What Makes Summer the Right Time to Upgrade

Summer is when your AC works hardest, and it’s also when small inefficiencies cost you the most. A smart thermostat gives you real control during peak cooling months in a few specific ways:

• Scheduling around the heat: You can set your AC to pre-cool your home before the hottest part of the day, reducing how hard the unit has to work during peak afternoon hours.
• Away mode savings: When no one is home, the thermostat automatically adjusts to a higher setpoint rather than cooling an empty house all day.
• Real-time adjustments: Headed home early? Drop the temperature from your phone before you get there, without blasting the AC all afternoon.
• Energy reports: Most smart thermostats show you how much energy you’re using and where you can cut back, which is useful when your cooling bill starts climbing in June and July.

Georgia summers can push electric bills significantly higher. According to the U.S. Department of Energy, you can save around 10% per year on heating and cooling by turning your thermostat back 7–10 degrees for 8 hours a day — and a smart thermostat automates that process without any extra effort on your part.

If you’ve already reviewed our tips on best HVAC settings for summer, a smart thermostat is essentially the tool that handles those adjustments automatically.

Is a Smart Thermostat Worth the Cost?

The honest answer depends on your current setup and habits. Here’s what to consider:

Your Current Thermostat

If you have a manual thermostat or a basic digital unit, the upgrade is usually worth it. If you already have a programmable model and use it consistently, the gain is smaller.

Your Schedule

Smart thermostats save the most for households with predictable schedules — work hours, school routines, regular travel. The more variation there is, the more a learning thermostat can help.

Your Current Cooling Bills

If your AC runs a lot during summer and your bills reflect it, smarter temperature control can make a real difference.

Your AC’s Condition

A smart thermostat won’t fix a struggling AC. If your unit isn’t cooling well or cycles constantly, AC maintenance should come first. A thermostat upgrade works best alongside a well-functioning unit.

Most homeowners recoup the cost of a smart thermostat within a year to two years through energy savings, depending on usage patterns and local utility rates.

What to Look for Before Buying

Before purchasing any smart thermostat, check these items:

• C-wire compatibility: Most smart thermostats require a C-wire (common wire) for power. Older homes may not have one. A technician can tell you in a few minutes whether your current wiring supports an upgrade or whether a C-wire adapter is needed.
• System type: Standard central HVAC systems are compatible with most models. Heat pumps, multi-stage systems, and ductless mini splits have specific requirements.
• Brand ecosystem: If you already use Google Home, Amazon Alexa, or Apple HomeKit, choose a thermostat that integrates with your preferred platform.

If you’re unsure about compatibility or wiring, it’s worth having a technician take a look before you buy anything.

FAQs About Smart Thermostats

What is a smart thermostat and how does it differ from a regular programmable thermostat?

A smart thermostat connects to your home’s Wi-Fi and learns your schedule and preferences over time, making automatic adjustments without you having to manually program a schedule. A standard programmable thermostat follows a fixed schedule you set once — it does not adapt, learn, or allow remote adjustments from your phone. Smart thermostats also provide energy usage data and can integrate with voice assistants and smart home platforms, which programmable models do not.

Will a smart thermostat work with my current AC and heating setup?

Most smart thermostats work with standard central air conditioning and forced-air heating systems. Compatibility depends on your wiring, specifically whether you have a C-wire (common wire) to power the device. Some older homes may need a simple adapter. Heat pumps, two-stage systems, and ductless mini splits require specific models designed for those configurations. Before purchasing, check the manufacturer’s compatibility tool or have a technician review your current wiring to confirm the right fit.

How much can I realistically save with a smart thermostat?

Savings vary based on how much your AC currently runs, your local utility rates, and how consistently you use the energy-saving features. The U.S. Department of Energy estimates around 10% annual savings on heating and cooling for homeowners who consistently set back temperatures during away and sleep hours. For households in Georgia where summer cooling costs run high, that can add up to meaningful savings over the course of the season. Most smart thermostats pay for themselves within one to two years through reduced energy use.

Schedule A Smart Thermostat Installation Today

When you’re ready to schedule an installation or want a professional recommendation on what model fits your home, contact Pillar Heating & Cooling or call us at (470) 777-2930. Pillar serves Griffin, McDonough, Fayetteville, Peachtree City, and the surrounding South Atlanta area. Our team can help you choose and install a smart thermostat that fits your home without wasting your time or money on the wrong unit.

Summer heat puts your home comfort system to the test. Utility bills climb, the thermostat becomes a household battleground, and you’re left wondering if there’s a smarter way to stay cool. The good news? The right HVAC settings can keep your home comfortable all season long while trimming energy costs at the same time. Here’s what you need to know.

Start With the Right Thermostat Temperature

The U.S. Department of Energy recommends setting your thermostat to 78°F when you’re home and active during summer. While that may sound warmer than you’re used to, pairing it with ceiling fans makes a real difference. Fans create a wind-chill effect that makes 78°F feel significantly cooler without adding to your energy bill.

When you’re away from home, raise the temperature to around 85°F. Every degree you bump up saves roughly 1 to 3 percent on your cooling costs. A programmable or smart thermostat makes this automatic, so you’re never cooling an empty house.

Use “Auto” Mode, Not “On”

One of the most common and costly mistakes homeowners make is leaving the fan set to “On” instead of “Auto” on their thermostat. When the fan runs continuously, it circulates air even when the system isn’t actively cooling, which means warm, humid air gets pushed through your home. In summer, humidity is your enemy.

Switching to “Auto” means the fan only runs during cooling cycles, which keeps humidity levels lower, improves air quality, and reduces wear on your system.

Summer HVAC Settings for Sleeping Comfortably

Sleep quality drops when your bedroom is too warm. The ideal range for sleeping is between 65°F and 68°F, though most people find anywhere from 68°F to 72°F comfortable. If dropping the whole-home temperature that low feels wasteful, consider using a zoned system or a ceiling fan in the bedroom to localize the cooling effect.

For households with a zoning setup, summer HVAC settings can be customized room by room, so bedrooms stay cooler overnight while less-used spaces aren’t overcooled.

Don’t Ignore Maintenance: It Affects Performance

Your system’s efficiency has a direct impact on how well your chosen settings actually work. A clogged air filter, for example, forces your unit to work harder to push air through, which raises energy use and reduces cooling power. During peak summer AC season, check your filter monthly and replace it every 30 to 60 days if it sees heavy use.

Scheduling a seasonal tune-up before summer hits is one of the best investments you can make. A certified technician will check refrigerant levels, clean coils, inspect electrical components, and make sure your system is running at peak efficiency before the hottest days arrive.

A Few More Tips to Maximize Summer Comfort

Your HVAC settings do the heavy lifting, but a few simple habits around the house can make your system’s job a whole lot easier. These quick adjustments reduce the amount of heat entering your home, so your AC runs less often and works more efficiently.

• Use blinds and curtains during peak sunlight hours to reduce heat gain through windows. Less heat coming in means less work for your AC.
• Avoid heat-generating appliances like ovens and dryers during the hottest part of the day. Early morning or evening is ideal.
• Seal air leaks around doors and windows to keep the cool air you’re paying for inside where it belongs.

None of these changes require a big investment or a lot of effort, but together they can make a noticeable difference in both comfort and energy costs over a long summer season.

Ready to Get More From Your HVAC System This Summer?

The right settings take you far, but a well-maintained, properly sized system takes you further. At Pillar Heating & Cooling, we help homeowners across the area stay comfortable all summer long without overpaying on energy bills. Whether you need a tune-up, a thermostat upgrade, or a full system evaluation, our team is ready to help. Contact Pillar Heating & Cooling today at (470) 777-2930 to schedule your summer AC checkup and keep your cool all season.

Spring is the perfect time to reset your home’s comfort systems before the Georgia heat arrives. One of the simplest and most impactful things you can do is check your HVAC filter. It takes less than five minutes, costs just a few dollars, and can make a significant difference in how well your system runs all season long.

How Often Should You Change Your HVAC Filter? 

The general rule of thumb for changing your HVAC filter is every 1 to 3 months, but the right answer depends on a few factors specific to your home.

Things to Consider When Changing Your HVAC Filter

Filter Type Matters

Basic fiberglass filters typically need to be changed every 30 days. Mid-range pleated filters can last 60 to 90 days. Thicker, high-MERV filters designed for better air quality may only need to be swapped out every 6 months. Always check the manufacturer’s recommendation on the packaging.

Your Household Plays a Role Too

Homes with pets, allergy sufferers, or young children will need to change filters more frequently than a single-occupant home without animals. Pet dander, dust, and pollen build up faster in active households, clogging filters before the recommended interval is up.

Spring in Georgia Adds a Seasonal Wrinkle

As temperatures climb and pollen counts spike, your system works harder and pulls more particulates through the filter. Changing filters at the start of spring and again mid-summer is a smart rhythm for most homeowners in the Griffin area.

Spring HVAC Maintenance Checklist

Beyond changing your filter, use the start of the cooling season as an opportunity to run through a quick checklist:

• Replace the air filter if it has been more than 30 to 60 days, or if it looks visibly gray or clogged
• Clear the area around your outdoor unit of winter debris, leaves, and overgrown vegetation
• Check your vents and registers to make sure none are blocked by furniture or rugs
• Test your thermostat by switching to cooling mode and confirming the system responds correctly
• Listen for unusual sounds when the system kicks on, including rattling, grinding, or extended startup delays
• Schedule a professional AC maintenance visit before temperatures peak

That last step is worth emphasizing. A filter swap keeps your system breathing, but a full tune-up catches problems you cannot see from the inside.

Why Changing Filters on Time Protects Your System

A clogged filter forces your HVAC system to work harder to pull air through, which puts strain on the blower motor and reduces overall efficiency. Over time, this leads to higher energy bills, uneven cooling, and accelerated wear on components. In some cases, a severely restricted filter can cause the evaporator coil to freeze, leading to a breakdown right when you need cooling most.

Staying on top of this one small task is one of the most cost-effective ways to extend the life of your system. If you are not sure what filter your system uses, check the slot where the filter slides in. The size is printed on the frame of your current filter.

HVAC Filters Frequently Asked Questions 

How often should you change your HVAC filter? 

Most filters should be changed every 1 to 3 months. Basic fiberglass filters need to be replaced every 30 days, mid-range pleated filters every 60 to 90 days, and high-MERV filters every 6 months. Homes with pets or allergy sufferers may need to change filters more frequently.

What happens if you don’t change your HVAC filter regularly? 

A clogged filter forces your system to work harder, which reduces efficiency, increases energy bills, and puts strain on the blower motor. In severe cases, a blocked filter can cause the evaporator coil to freeze and lead to a system breakdown.

What should be included in a spring HVAC maintenance checklist? 

A spring HVAC maintenance checklist should include replacing the air filter, clearing debris from around the outdoor unit, checking that vents and registers are unobstructed, testing the thermostat in cooling mode, listening for unusual sounds, and scheduling a professional AC maintenance visit.

Get Your System Summer-Ready

Spring is a great time to get ahead of the cooling season before the heat settles in. If you are due for a filter change and want a professional set of eyes on your system, the team at Pillar Heating & Cooling is here to help. Schedule your AC maintenance visit today and head into summer with confidence.

Spring is one of the smartest times to start thinking about your home’s comfort. Before the heat of summer hits and schedules fill up, homeowners have a valuable window to research and choose the right professional. If you are wondering how to choose a heating and air conditioning contractor, the key is knowing what to look for beyond a quick online search.

The right HVAC contractor does more than fix problems. They become a long-term partner in maintaining your home’s comfort, efficiency, and safety.

How to Choose a Heating and Air Conditioning Contractor

Start With Proper Licensing and Insurance

Not all contractors operate at the same level of professionalism. A reputable HVAC contractor should be fully licensed and insured in your state.

Why this matters:

• Licensing shows they meet required training and standards
• Insurance protects your home and the technicians working in it
• It reduces your liability if something goes wrong

Always ask for proof. A trustworthy company will never hesitate to provide it.

Look for Experience in Heating and Air Conditioning

Experience plays a major role in the quality of your results. Heating and air conditioning systems can vary widely between homes, especially with newer high-efficiency equipment.

When evaluating HVAC contractor experience, consider:

• How long the company has been in business
• Whether they specialize in both heating and air conditioning
• Their familiarity with your specific system type

A seasoned contractor is more likely to diagnose issues correctly and recommend solutions that actually fit your home.

Check Reviews and Reputation

Online reviews can offer valuable insight into how a company treats its customers. Look beyond just star ratings and pay attention to patterns.

Things to watch for:

• Consistent mentions of professionalism and punctuality
• Clear communication and honest pricing
• How the company responds to negative feedback

You can also ask neighbors or friends for recommendations. Word of mouth is still one of the most reliable ways to find a dependable HVAC contractor.

Ask About Services Offered

Not every contractor offers the same range of services. Ideally, you want a company that can handle all aspects of your system so you do not have to juggle multiple providers.

Services to look for in an HVAC Contractor

• Installation and replacement
• Preventative maintenance
• Emergency repairs
• Indoor air quality solutions

Choosing a full-service heating and air conditioning contractor helps ensure consistency and long-term care.

Evaluate Their Communication Style

The way a contractor communicates tells you a lot about how they do business. From your first interaction, pay attention to how they handle questions and explain their services.

A strong contractor will:

• Take time to answer your questions clearly
• Explain options without pressure
• Provide written estimates and timelines

If you feel rushed or confused, that is a red flag. You should feel confident and informed every step of the way.

Compare Estimates Carefully

Getting multiple estimates is a smart move, but the lowest price is not always the best choice. A significantly lower quote can sometimes mean corners are being cut.

When comparing estimates, look at:

• Scope of work
• Equipment quality
• Warranty coverage
• Labor details

A good HVAC contractor will provide transparent pricing and help you understand exactly what you are paying for.

Ask About Maintenance Plans

Routine maintenance is essential for keeping your heating and air conditioning system running efficiently. Many contractors offer maintenance plans that include seasonal tune-ups and priority service.

Benefits of an HVAC maintenance plan:

• Improved energy efficiency
• Fewer unexpected breakdowns
• Extended equipment lifespan
• Peace of mind year-round

Choosing a contractor who emphasizes maintenance shows they are focused on long-term performance, not just quick fixes.

Verify Warranties and Guarantees

A reputable contractor stands behind their work. Before making your decision, ask about warranties on both equipment and labor.

Make sure you understand:

• What is covered
• How long coverage lasts
• What could void the warranty

Strong guarantees are a sign that the contractor is confident in their workmanship.

Trust Your Instincts

Sometimes, the decision comes down to how comfortable you feel. Even if a company checks all the boxes, your overall impression matters.

Questions to consider when choosing an HVAC contractor

• Do they seem honest and transparent?
• Are they respectful of your time and home?
• Do you feel confident hiring them?

Choosing a heating and air conditioning contractor is not just about technical skills. It is also about trust.

Choose a Partner, Not Just a Provider

Finding the right HVAC contractor takes a little time, but it pays off in the long run. When you choose carefully, you gain a reliable partner who helps keep your home comfortable in every season.

At Pillar Heating & Cooling, we believe homeowners deserve honest guidance, expert service, and lasting solutions. If you are ready to schedule a consultation or want help evaluating your current system, our team is here to help you make the right choice with confidence. Contact us today at (470) 777-2930.