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Heaterman VP Heating & Air Conditioning
  • Home
  • Services
    • HVAC Maintenance Plans
    • Heating Services
    • Cooling Services
    • Commercial HVAC Services
    • Ductless Mini Splits
    • Indoor Air Quality
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    • Emergency AC Repair
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    • Cooling Systems
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    • Energy Efficiency
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  • About Us
✕
  • Home
  • Services
    • HVAC Maintenance Plans
    • Heating Services
    • Cooling Services
    • Commercial HVAC Services
    • Ductless Mini Splits
    • Indoor Air Quality
    • Service Areas
    • Chiller Systems
    • Oil to Gas Conversion
    • Geothermal Systems
  • Emergency Service
    • Emergency Heating Repair
    • Emergency AC Repair
  • Blog
    • Heating Systems
    • Cooling Systems
    • Emergency HVAC Advice
    • Maintenance Tips
    • HVAC Myths Debunked
    • Smart HVAC Technology
    • HVAC System Comparisons
    • Indoor Air Quality
    • Energy Efficiency
  • Contact
  • About Us
couple in home with common AC problems in Suffolk County

Common AC Problems in Suffolk County — And How to Fix Them Fast

When summer hits Suffolk County, your air conditioner becomes your best friend — until it stops working. Knowing how to recognize the most common AC problems can help you troubleshoot minor issues, avoid bigger repairs, and know when to call the pros.

Let’s explore the top AC issues we see in Suffolk County homes and how to handle them.


1.  AC Not Blowing Cold Air

This is a common and frustrating issue. It could be caused by:

  • Low refrigerant
  • Dirty air filters
  • Frozen evaporator coils
  • Faulty thermostat

What to do: Check your filter first. If it’s clean and the problem persists, call an HVAC technician to inspect refrigerant levels or coils.

2.  Weak Airflow from Vents

Poor airflow often signals:

  • Blocked ductwork
  • Clogged filters
  • Failing blower motor
  • Leaky ducts

What to do: Replace your filter. If that doesn’t help, your system may need a professional duct or motor inspection.

3.  AC Turns On and Off Frequently (Short Cycling)

Short cycling causes unnecessary wear and higher energy bills. It’s often due to:

  • Oversized units
  • Thermostat problems
  • Refrigerant leaks
  • Dirty condenser coils

What to do: Check if your thermostat is placed near a heat source. If the issue continues, call for service.

4.  Water Leaks Around the Indoor Unit

If your AC is leaking water inside, it might be due to:

  • Clogged condensate drain line
  • Broken condensate pump
  • Frozen evaporator coil

What to do: Turn off your system and call a pro. Left unchecked, leaks can cause water damage and mold.

5.  Strange Noises (Buzzing, Rattling, Screeching)

Loud or unusual sounds usually mean something is wrong:

  • Loose parts
  • Motor issues
  • Failing compressor
  • Fan blade obstruction

What to do: Shut the unit down and schedule a repair before the damage gets worse.

6.  Thermostat Not Responding

Sometimes the issue is with your thermostat, not the AC unit:

  • Dead batteries
  • Loose wiring
  • Faulty sensor or control board

What to do: Change the batteries and check your settings. Still not working? Call for professional diagnostics.

7.  AC Won’t Turn On at All

If your system doesn’t respond:

  • Check the breaker
  • Ensure the thermostat is on and set to cool
  • Look for tripped safety switches or a blown fuse

What to do: If everything checks out and the AC still won’t turn on, it’s time for a service call.

Prevent Future Problems with Regular Maintenance

Many of these issues are avoidable with annual tune-ups and system checkups. Maintenance helps keep your unit running smoothly and efficiently through the summer.

Book Seasonal AC Maintenance
Explore Our Air Conditioning Services

Did You Know? The #1 cause of AC failure in Suffolk County is dirty or clogged filters — an easy fix that many homeowners overlook.

FAQs

Q: Why is my AC leaking water?
A: It’s often a clogged drain line or frozen coil. Turn off the system and call a technician.

Q: How often should I change my AC filter?
A: Every 1–3 months depending on use and filter type.

Q: Is it okay to keep running my AC if it’s making noise?
A: No. Shut it off immediately to prevent further damage.

Q: Do you offer emergency AC repair?
A: Yes! We provide fast service across Suffolk County when your system stops working.

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East Quogue, NY, 11959

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