Extreme summer heat can push even a well-maintained air conditioner to the edge. As temperatures in Frederick continue to increase, many homeowners notice increased energy bills, uneven temperatures throughout the home and cooling systems that appear to run all day without keeping up.
People often think the air conditioning is the only thing that affects how comfortable your home feels. The fact is, your home’s airflow, insulation and shade all play a significant role in cooling performance.
This guide highlights three practical strategies that can increase comfort and cooling efficiency: boosting airflow in your home, making sure your home has enough insulation and creating shade to reduce heat from the sun. When you follow these summer AC tips from the pros at America's Green Heating & Air Conditioning, you’ll keep your house cool during heatwaves.
Start with Airflow: Make Your Air Conditioner Work More Efficiently
AC units cool the air and send it through ductwork to the rooms in your home. For that cooled air to keep your home comfortable, it must be able to move freely throughout the home. When airflow is blocked, some rooms may feel warmer than others.
It’s common for homeowners to blame their air conditioner for an uncomfortably hot home. In many cases, the AC is often working just fine—the real problem is limited airflow. A dirty air filter, blocked vents and other HVAC issues can all limit airflow.
Home Airflow Improvement Checklist
Taking steps to boost airflow in your home can improve comfort, minimize strain on your AC and lower energy costs.
- Replace dirty air filters. Routine AC air filter replacement helps your HVAC system circulate air more efficiently while supporting indoor air quality.
- Makesure supply and return vents are free from obstructions. Furniture, rugs and curtains can lead to blocked air vents that keep cooled air from circulating throughout your home.
- Keep interior doors open. Doing so helps air to move more evenly between rooms.
- Relocate furniture covering registers.Keeping registers clear allows conditioned air to circulate freely.
- Schedule preventiveAC maintenance services. During a professional HVAC tune-up, a technician can check and clean debris-covered blower components that may affect your system’s ability to circulate air.
Insulation Plays a Bigger Role Than Many Homeowners Think
Insulation serves as a barrier against hot outdoor air. As your air conditioner removes heat from inside your home, insulation helps prevent outdoor heat from entering. Better insulation enhances comfort, decreases cooling run times and can help extend the life of your HVAC system.
The attic is one of the largest sources of solar heat gain during heatwaves. Proper attic insulation and cooling work together because attic insulation limits heat transfer through the roof. Sealing gaps and sealing around doors and windows also help keep hot outdoor air from entering your home.
When insulation levels are too low or air leaks let warm air into your home, your air conditioner has to work harder. This often causes homeowners to ask, “Why is my house hot with the AC running?” Often, home insulation levels—not the air conditioner—are the problem.
Signs of Inadequate Home Insulation Levels
- Warmsecond-floor rooms
- Uneventemperatures
- Higher cooling costs
- Air conditioner runningconstantly
Use Shade to Reduce Heat Gain
Sunlight shining through windows and heating your roof and exterior walls boosts indoor temperatures, forcing your air conditioner to work harder.
Direct sunlight can also reduce the efficiency of your outdoor AC unit by making it more difficult to release heat efficiently. Adding shade around your property can limit solar heat gain, improve comfort and lower summer energy bills. Shading your air conditioner’s outdoor unit can also help—but never restrict airflow around the condenser. Don’t install fences, enclosures or dense landscaping that limit air movement.
5 Summer AC Tips for Using Shade to Cool Your Home
- Add trees and landscaping strategically. Position trees to shade your roof, walls, windows and outdoor air conditioning equipment. While providing shade for your outdoor AC unit, maintain at least 2–3 feet of clearance on all sides and 5 feet above the unit to allow for enough airflow.
- Install window coverings. Light-colored curtains, cellular shades and thermal drapes limit heat gain from sunlight shining through windows.
- Use solar screens in your home. Solar screens, which are specially designed mesh curtains, placed on sun-facing windows help block the sun’s heat while still letting in natural light.
- Strategically use exterior shading. Add landscaping and design features such as awnings, pergolas, shade sails or exterior shutters to stop direct sunlight off windows before it enters your home.
- Keep blinds closed during high heat. Maintain blinds or shades closed on west- and south-facing windows during the hottest part of the day to help reduce indoor temperatures and reduce the load on your AC.
Additional Hot Weather Survival Tips
Airflow, insulation and shade all make a big difference, but these AC efficiency tips can help improve comfort during extreme summer heat.
- Change ceiling fan direction. Operate ceiling fans counterclockwise to create a cooling breeze.
- Reduceuse of heat-generating appliances during the hottest part of the day. Run ovens, dryers and dishwashers in the morning or evening to limit indoor heat.
- Set thermostat settings. Don’t make frequent temperature changes that cause your AC to work harder.
- Arrange preventative maintenance. Regular service helps your system run efficiently before peak cooling season.
- Monitor unusual system performance. Address strange noises, weak airflow or inconsistent cooling before they become more extensive repairs.
Know When It’s Time to Turn to an HVAC Professional
At-home AC maintenance and efficiency-focused cooling strategies can help, but some problems require professional attention. When warm air is coming from your vents, airflow feels weak, your air conditioner seems to run constantly, energy bills increase for no reason, rooms cool unevenly or your system turns on and off repeatedly, it’s a good idea to schedule an expert evaluation.
At America's Green Heating & Air Conditioning, our cooling specialists inspect airflow, duct performance, insulation-related comfort concerns and overall system health to determine the real cause to help your HVAC system operate at its best throughout the summer.
Keep Your Cool All Summer Long
Staying cool during a heat wave takes more than just your air conditioner. Proper airflow, adequate insulation and effective shade work together to increase comfort, improve efficiency and lower cooling costs. Combined with regular summer HVAC maintenance, these strategies can help your system perform at its best when you need it most.
has the expertise and experience to keep you comfortable in even the hottest weather. If you’re in need of AC maintenance, a cooling system inspection, an airflow evaluation or a complete summer tune-up, we’re here to help boost efficiency and comfort during hot summers. Schedule cooling services online or call today to get started.
Frequently Asked Questions About Cooling Your Home in Summer
Why is my house still warm even when the AC is running?
If your home is hot even though your AC is running, the problem isn’t always the air conditioner. Poor airflow, inadequate insulation, improper thermostat settings or HVAC system issues can all reduce cooling performance and stop cool air from reaching every room.
Does outdoor shade really help cut cooling costs?
It can. Trees, landscaping, awnings and window coverings reduce solar heat gain, helping your home feel cooler. Less heat entering your home means your air conditioning doesn’t have to work as hard to cool your home. This reduces energy, which helps decrease your cooling expenses.
How often should I replace my HVAC air filter throughout the cooling season?
For most homes, homeowners should check their air filter every month during the peak cooling season and replace it as necessary. The best air filter replacement schedule depends on the type of filter, pets, allergies and how often your air conditioner runs.
Can insulation {help|make my air conditioner work better?
Absolutely. Proper home insulation slows heat transfer into your home, reducing strain on your air conditioning. Verifying your home has adequate insulation levels, especially in your attic or around windows, helps create more consistent indoor temperatures while lowering energy.
Should I put a cover over my outdoor AC unit to help it run better?
No. You should never cover your outdoor air conditioning unit while it’s running because the condenser needs unobstructed airflow to release heat. Creating shade for your outdoor AC unit is beneficial, but always maintain at least 2–3 feet of clearance around the unit and 5 feet above it to maintain proper airflow.
What temperature should I adjust my thermostat to in the summer?
For many homes, setting the thermostat around 78 degrees when you’re home offers an excellent balance of comfort and energy efficiency during very hot weather. Use the highest temperature that keeps you comfortable, and don’t make large thermostat adjustments that force your AC to work harder.
