LC Heating & Air provides honest, professional heat pump diagnosis and repair for Westchester homeowners. We specialize in identifying reversing valve, defrost, and electrical issues to help you decide between repair and replacement.
Heat Pump Repair & Service in Westchester
LC Heating & Air provides heat pump repair in Westchester — including heat pump services, heat pump not heating, heat pump replacement, energy efficient heat pump. Whether you need same-day service, a written estimate, or help deciding between repair and replacement, our licensed technicians handle every make and model.
We repair and service all major HVAC brands in Westchester, including Carrier, Trane, Lennox, Daikin, Mitsubishi, and Goodman, and older or discontinued units. No matter the manufacturer, we diagnose the problem accurately and give you an upfront price before any work begins.
If your heat pump is acting up, you need a technician who understands how these systems actually work. Unlike standard air conditioners, heat pumps have to manage both heating and cooling through the same set of coils and refrigerant lines. When something goes wrong, it often points to specific components like the reversing valve or the defrost board.
At LC Heating & Air, we don't guess. We come out to your Westchester home, test the system in both heating and cooling modes, and give you a straight answer about what’s broken. Whether you're dealing with a unit that won't defrost or one that’s stuck in the wrong mode, we provide a written estimate before we start any work. We are a licensed C-20 contractor (CSLB #1073586) and we’re here to help you get your home comfortable again.
Emergency calls are answered within 30 minutes — call (323) 970-3113 for dispatch.
Local HVAC considerations
Westchester, 90045
CSLB #1073586 (C-20 HVAC)
Heat pump diagnosis and repair
(323) 970-3113
Common Heat Pump Issues in Westchester
In Westchester, we see a mix of older homes and newer remodels, which means we work on everything from aging systems to modern, high-efficiency heat pumps. A common pattern we see is a unit that provides cooling but fails to heat. This is often a sign that the reversing valve—the part that switches the refrigerant flow—is stuck. If your system is stuck in the cooling position, you’ll be left without heat when the temperature drops.
Another issue we frequently address is ice buildup on the outdoor unit. While some frost is normal during cold, humid nights, a completely iced-over unit usually means the defrost board has failed or there’s a refrigerant issue. We also check for thermostat configuration errors, where the system is accidentally running on 'emergency heat' or 'auxiliary heat' strips, which can cause your electric bill to spike significantly.
Why Your Home's Setup Matters
Westchester has a wide variety of housing, from original single-family homes to updated duplexes and multifamily buildings. The age of your home and the condition of your ductwork play a huge role in how well your heat pump performs. If your ducts are leaking or undersized, even a brand-new heat pump won't be able to move enough air to keep you comfortable.
Before we recommend a repair or a replacement, we look at your electrical capacity, the placement of your equipment, and the state of your ductwork. We don't just look at the unit; we look at how the unit interacts with your specific home. This helps us avoid 'quick fixes' that don't actually solve the underlying airflow or electrical problems.
Our Diagnostic Process
We believe in being thorough. When we arrive at your door, we don't just listen to the noise the unit is making. We perform a multi-mode diagnosis. We test the system in both heating and cooling modes, measure refrigerant pressures, and check the electrical components like the contactor and capacitor.
Once we identify the fault, we explain it to you in plain English. We’ll show you what we found and provide a flat-rate written estimate. You’ll know exactly what the repair costs before we pick up a tool. If the system is worth repairing, we’ll do it right. If the pattern of failure suggests that replacement is the better long-term value, we will tell you why.
Repair or Replace?
This is the most important conversation we have with homeowners. If your heat pump is relatively new and just needs a new capacitor or a defrost board, a repair is almost always the right move. However, if your system is older, uses outdated refrigerant, and is suffering from multiple component failures, it might be time to look at a replacement.
We don't push for new equipment unless it makes financial sense for you. We look at the cost of the repair versus the remaining lifespan of the unit. If we can get you back up and running reliably for a few hundred dollars, that’s what we’ll recommend. If the repair is costly and the unit is on its last legs, we’ll be honest about that, too.
Costs and Rebates
We keep our pricing transparent. A standard heat pump diagnostic is $125–$175. Common repairs like replacing a capacitor or a defrost board typically range from $200 to $650. If you do need a full system replacement, costs generally range from $7,000 to $16,000 before any rebates.
For those looking at new installations, there are programs like the TECH Clean CA rebate, which can offer significant savings—often between $1,500 and $3,000. We can help you understand if your project qualifies for these incentives so you can make an informed decision.
Safety First
Your safety is our priority. Heat pumps involve high-voltage electricity and pressurized refrigerant. Attempting to 'chip' ice off your outdoor coils or pouring hot water on them can damage the aluminum fins and lead to expensive leaks. If your unit is iced over, turn it off and give us a call.
Similarly, if your system is running on 'emergency heat' because the heat pump failed, keep an eye on your thermostat. Running on emergency heat for too long can lead to a massive spike in your utility bills. We can guide you on how to manage your system safely until we can get out to your property.
Mistakes to Avoid
The biggest mistake we see is homeowners ignoring the early warning signs. A clicking noise at startup or a system that takes longer than usual to reach temperature are often signs of a failing capacitor or a struggling compressor. Addressing these issues early can prevent a total system failure on the hottest or coldest day of the year.
Another mistake is assuming that any HVAC technician can handle a heat pump. Heat pumps require specific knowledge of reversing valves and defrost logic. If a technician isn't familiar with these, they might misdiagnose the problem, leading to unnecessary parts replacement or a system that still doesn't work correctly in both modes.
Scheduling Your Service
We know your time is valuable. When you call LC Heating & Air at (323) 970-3113, we work to get you on the schedule as quickly as possible. We serve the entire Westchester area and surrounding neighborhoods.
When we arrive, we check your equipment access, electrical setup, and duct condition. We want to make sure that whatever we do, it’s going to last. We carry common heat pump parts on our trucks, which helps us provide same-day service for many common issues.
Making the Right Choice for Your Home
When you're deciding what to do with your heat pump, think about the long-term. If the repair is straightforward and the unit is in good shape, we’ll fix it. If the unit is failing in multiple ways or is nearing the end of its life, we’ll show you the math on why a replacement might be the better investment.
At LC Heating & Air, we don't use high-pressure sales tactics. We give you the facts, the costs, and our professional opinion. You make the call that works best for your home and your budget.
How the visit works
We test your system in both heating and cooling modes to identify the exact point of failure.
We inspect the reversing valve, defrost board, and electrical components.
We provide a clear, written flat-rate estimate for the repair.
Once approved, we complete the repair and verify performance in both modes.
Cost factors we review before quoting
- • Complexity of the component failure (e.g., capacitor vs. reversing valve)
- • Age and condition of the existing heat pump unit
- • Accessibility of the equipment in your attic or yard
- • Eligibility for state or local energy rebates
Useful next steps
Heat Pump Repair in Westchester at a glance
- • Heat Pump Repair provider: LC Heating & Air
- • Location served: Westchester, CA 90045
- • License: CSLB C-20 #1073586
- • Phone: (323) 970-3113
- • Estimate: written estimate before approved work
- • Emergency calls answered within 30 minutes (24/7)
Our heat pump repair process in Westchester
Reviewed by Leo, Owner & Lead Technician
This heat pump repair guide for Westchester is reviewed for practical HVAC accuracy by Leo at LC Heating & Air. LC Heating & Air holds California CSLB C-20 HVAC license #1073586 and provides written estimates before approved work.
What Westchester customers say about heat pump repair
Verified reviews from homeowners in Westchester and nearby neighborhoods who used our heat pump repair service.
“AC compressor failed on the hottest day of the year. LC came out quickly, gave an honest assessment — said the compressor was still under manufacturer warranty — and helped me get it covered. Saved me over $1,200.”
“Replaced our 20-year-old Lennox system with a new high-efficiency Carrier. LC handled the permits, coordinated the Edison inspection, and finished a full replacement in one day. Impeccable workmanship.”
“Pilot light kept going out on our older furnace. LC came out, replaced the thermocouple, cleaned the burner assembly, and did a full safety check. Fast, affordable, and they showed me how to relight it safely in the future.”





