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Heating Repair Services in Delaware and Pennsylvania.

When your heating system stops working in the middle of winter, you don’t want guesswork — you want a fast, accurate fix. Desmond Heating & Cooling Solutions is a licensed, family-owned heating repair company serving Delaware and Pennsylvania. We provide 24/7 service for homes and businesses, handling everything from thermostat malfunctions to full system shutdowns. No matter the issue, we show up prepared to diagnose the problem and get your heat back on.

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Expert Heating Repairs, When You Need Them

We understand how disruptive heating issues can be. That’s why our repair process is built around speed and precision. Our technicians are fully trained and background-checked, with experience repairing all major brands and system types, including furnaces, heat pumps, and ductless units. After a full system check, we’ll explain the problem clearly, offer solutions, and complete the repair with your approval — no surprises and no unnecessary upsells.

Whether your system is completely down or just acting unusual, we’re here to help you stay safe and warm.

Common Heating Repairs We Perform

Heating systems can fail in many different ways — some obvious, some more subtle. These are some of the most common repair issues we see and fix:

  • Ignitor or pilot light failure
    A failed ignitor or extinguished pilot can keep your furnace from starting.
  • Blower motor replacement – If your system turns on but isn’t pushing air, the blower may need repair or replacement.
  • Dirty or clogged filters – Blocked airflow can cause overheating or reduce heating efficiency.
  • Faulty flame sensor – A dirty or worn flame sensor can cause your system to shut down shortly after startup
  • Thermostat problems – Inaccurate readings or unresponsive controls can keep your system from running properly.
  • Cracked heat exchanger – A serious issue that can lead to carbon monoxide exposure and requires immediate attention.
  • Worn-out bearings or belts – A noisy operation often indicates worn mechanical parts inside the system.
  • Malfunctioning limit switch – This switch prevents overheating. When it fails, your unit may shut off prematurely or run nonstop.
  • Electrical or wiring issues – Tripped breakers, loose wires, or burnt-out control boards can prevent your system from running.
  • Blocked or leaky ducts – Uneven heating or poor airflow can often be traced to duct issues, not the system itself.
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Signs Your Heater Needs Repair

Sometimes it’s obvious your system isn’t working. Other times, the signs are subtle — until the unit stops altogether. Look out for:

  • Cold air coming from vents when the heat is on
  • Strange smells or loud noises during operation
  • Rooms heating unevenly
  • A spike in utility bills without increased usage
  • The system short cycling or running continuously

If you notice any of these warning signs, it’s best to schedule a diagnostic visit before it gets worse.

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Who We Serve

We provide heating repair for both residential and light commercial properties. Whether you have a furnace, heat pump, or ductless unit, we’ve got the tools and experience to fix it. Our service area includes:

Delaware:

  • Bear
  • Wilmington
  • Kent County
  • New Castle County

Pennsylvania:

  • Philadelphia
  • Chester County
  • and surrounding areas

With teams stationed in both Bear and Philadelphia, we can respond quickly — even on nights and weekends.

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Schedule Your Heating Repair Today

Don’t wait for your heating system to fail completely. For professional help from a reliable heating repair company, contact Desmond Heating & Cooling Solutions today.

For fast, expert heating repair, call Desmond Heating & Cooling at (888) 777-8310