Summer in Connecticut brings both rising temperatures and high humidity levels — a perfect storm for HVAC stress, indoor discomfort, and even mold growth if your ventilation isn’t up to par. Yet most homeowners wait until the first 90° day before realizing their system isn’t performing. This guide helps you stay ahead. 

🌀 1. Change or Clean Your HVAC Filters (and Why It Matters) 

Dirty filters can reduce airflow, overwork your system, and circulate allergens. In Connecticut, pollen season often overlaps with AC season — so filters may clog faster than usual. 
Recommendation: Change filters every 30–60 days during summer use. 

🧰 2. Test System Function Before a Heatwave 

Set your thermostat to cooling mode and run the system for 15–20 minutes. Listen for unusual sounds and monitor the time it takes to reach your desired temperature. 
Watch for: 

• Weak airflow 

• Unusual noises 

• Uneven room temperatures 

🌡️ 3. Inspect Attic Ventilation & Insulation 

An overheated attic can trap heat that radiates into living spaces, making your HVAC work harder. Most homes in CT are under-ventilated or over-insulated. 
Key Signs of Attic Issues: 

• Blistering roof shingles 

• Warm second floors 

• Mold near soffits or roof decking 

Pro Tip: Gable vents, ridge vents, and soffits should all be working together. A home inspection or thermal imaging scan can detect ventilation inefficiencies. 

🧑‍🔧 4. When to Call a Professional 

If your system is over 10 years old, a tune-up can extend its life and reduce monthly costs. Ask about: 

• Coolant levels 

• Duct integrity (especially in older homes) 

• Blower motor efficiency 

 
Don’t wait until July to find out your cooling system can’t keep up. Proactive maintenance in June saves money, improves comfort, and reduces the risk of moisture-related problems like mold. 

 
📞 Schedule your inspection with Schaefer Inspection Service today. Peace of mind is just a phone call away.