Heat Pump Repair

Heat Pump Not Working? We're Here to Help.

When your heat pump stops cooling in the middle of summer or stops heating during a Chicagoland winter, you need answers fast, not a sales pitch. TOPTEC's certified technicians are on call 24/7 to diagnose, repair, and restore your heat pump quickly, so your family can get back to comfort. Call us now. We answer day or night.

Common Signs Your Heat Pump Needs Repair

Heat pumps usually give warning signs before they fail completely. Catching these early can save you from a full breakdown, and often a much bigger repair bill. Watch for:

• Warm air when it should be cool (or cool air when it should be warm)
• System running constantly without reaching the set temperature
• Strange noises like grinding, rattling, hissing, or buzzing
• Ice buildup on the outdoor unit
• Unusual smells like burning, musty, or chemical odors
• Short cycling, where the system turns on and off repeatedly
• Rising energy bills with no change in usage
• Weak or uneven airflow from your vents
• System won't turn on at all



If you're noticing any of these, don't wait. Small issues become big repairs quickly with heat pumps, especially when the system is overworked in extreme weather.

Understanding the Reversing Valve

The reversing valve is the single component that lets one system both heat and cool your home. It's the part that literally makes a heat pump a heat pump. Without it, you'd have an air conditioner that still needs a separate furnace to handle winter.

What it is and where it lives

A reversing valve switches your system between heating and cooling by reversing the direction the refrigerant flows. Most are built around a sliding internal spool, a solenoid coil that triggers the movement, and four refrigerant ports that connect to the compressor and to the indoor and outdoor coils. It sits near the compressor inside your outdoor unit.

The internal anatomy of a reversing valve, including the sliding spool, pilot valve, and the refrigerant ports that connect to the compressor and coils.

Why Choose TOPTEC for Your Heat Pump Repair?

• 24/7 emergency service. Heat pump failures don't follow business hours, and neither do we. Whether it's 2 AM in January or a Sunday afternoon in July, our team is ready to respond.
• Diagnosis you can trust. Our certified technicians don't guess. We use advanced diagnostic tools to identify the exact problem, whether it's a refrigerant leak, a failed capacitor, a faulty reversing valve, a frozen coil, or a compressor issue. You'll know what's wrong, what it'll cost, and what your options are before any work begins.
• Repairs done right the first time. Heat pumps are more complex than traditional HVAC systems, with refrigerant lines, reversing valves, defrost cycles, and electronic controls that all need to work together. Our technicians are specifically trained on heat pump systems, so we fix the actual problem, not just the symptom.
• All makes and models. We service every major heat pump brand, including Lennox, Carrier, Trane, Goodman, Rheem, and Mitsubishi Electric. Whether your system is brand new or 15 years old, we have the parts, the training, and the experience to get it running again.
• Upfront, honest flat rate pricing. No surprise charges, no inflated estimates, no pressure to replace when a repair will do. We give you a clear quote before we start work, and we'll tell you honestly whether repair or replacement makes more financial sense for your situation.
• Fully stocked service trucks. Our trucks carry the most common heat pump parts and refrigerants, which means most repairs get completed on the first visit, with no waiting days for parts to arrive while your family is without heating or cooling.

When Repair Becomes Replacement

Sometimes the smartest fix isn't a repair. If your heat pump is more than 12 to 15 years old, has needed multiple repairs in the past two years, or the repair cost is approaching half the price of a new system, replacement may save you significantly more money over time, plus open up for energy savings.

Our technicians will give you both options, with clear numbers, and let you decide. No pressure, no upselling, just honest advice.

Ready to Get Your Heat Pump Back Up and Running?

A failing heat pump only gets worse, and Chicagoland weather doesn't wait. Get your system diagnosed and repaired by Chicagoland's trusted heat pump experts.

TOPTEC Home Care Club® Members Get Priority Service

If you're enrolled in the TOPTEC Home Care Club®, your heat pump repair request goes to the front of the line. You also receive 15% off parts and service, plus regular maintenance that prevents most breakdowns in the first place.