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Heat Pump Repair Sherman Oaks CA

Keep Your Heat Pump Running Strong

ServiStar Plumbing and HVAC provides heat pump repair in Sherman Oaks, CA, for failing units, weak airflow, ice buildup, refrigerant leaks, and full system breakdowns. When your heat pump fails, you lose both heating and cooling in one breakdown. Whether your system will not switch modes, runs constantly, or produces strange noises, our certified technicians diagnose the problem quickly and deliver effective solutions that restore year-round comfort.

Our heat pump repair team is available across all five Sherman Oaks zip codes (91401, 91403, 91411, 91413, 91423) and the surrounding San Fernando Valley.

Call (818) 855-1269 to book heat pump repair service.

Close-up of a technician in a purple uniform repairing a heat pump unit in Sherman Oaks, CA.

Why Choose ServiStar Plumbing and HVAC for Heat Pump Repair

Sherman Oaks homeowners choose ServiStar Plumbing and HVAC for heat pump repair because we can diagnose both the heating and cooling sides of the system in a single visit. Our heat pump specialists use professional diagnostic tools to test the compressor, reversing valve, defrost board, and refrigerant levels, so we find the actual cause instead of just resetting the unit.

What sets us apart:

  • Licensed contractor (License #885156)
  • Fully insured technicians who meet California standards
  • 30+ years of HVAC experience in Southern California
  • Led by Owner Michael Cohen, who focuses on honest work and clear communication
  • EPA-certified for safe refrigerant handling
  • Diagnostic testing for both heating and cooling modes
  • Same-day appointments for urgent heat pump calls
  • Honest recommendations with upfront pricing
  • No hidden fees, no surprise charges
  • Fully stocked service vehicles for one-trip repairs
  • Google Guaranteed service provider
  • HomeGuide Top Pro Award recipient (2025)

Call (818) 855-1269 to schedule heat pump repair service.

Comprehensive Heat Pump Repair Solutions

We provide a full range of heat pump repair services for Sherman Oaks homes, from minor part replacements to full system diagnostics.

Our heat pump repair services include:

  • No heat or no cool diagnostics
  • Refrigerant leak detection and recharge (EPA-certified)
  • Compressor testing and replacement
  • Reversing valve repair
  • Defrost cycle and outdoor unit ice buildup repair
  • Blower motor and fan repair
  • Capacitor and contactor replacement
  • Thermostat troubleshooting
  • Electrical and wiring diagnostics
  • Drain line clearing for condensate buildup

Call (818) 855-1269 to book a heat pump inspection.

Common Heat Pump Problems We Fix

Heat pumps fail from refrigerant leaks, compressor issues, frozen outdoor coils, broken reversing valves, defrost cycle problems, and electrical faults. Each issue affects either the heating side, the cooling side, or both.

Here are the most common heat pump problems we fix:

  • Heat pump will not turn on: Often caused by a tripped breaker, a faulty thermostat, a blown capacitor, or a failed control board. We test each part to find the actual issue.
  • No heat in heating mode: Usually traces back to a stuck reversing valve, low refrigerant charge, or faulty defrost board.
  • No cool air in cooling mode: A failed compressor, a refrigerant leak, or a blocked outdoor unit often reduces cooling output.
  • Outdoor unit frozen with ice: Points to a defrost cycle failure, low refrigerant, or restricted airflow across the outdoor coil.
  • Heat pump runs constantly: Usually caused by low refrigerant, undersized capacity, or thermostat calibration issues that keep the unit cycling.
  • Strange noises during operation: Grinding, rattling, or hissing often signal a failing compressor, loose fan blade, or a refrigerant leak.
  • Low airflow at the vents: Dirty filters, blower motor failure, or duct leaks reduce airflow even when the unit is running.
  • Heat pump leaks water indoors: A clogged condensate drain or frozen evaporator coil often causes water to back up and overflow.
  • Refrigerant leaks: Low refrigerant levels reduce heating and cooling output and damage the compressor over time. Our team locates and seals the leak before recharging.
  • Short cycling: The unit turns on and off rapidly, usually due to an oversized system, a thermostat issue, or low refrigerant.
  • Higher energy bills with no change in use often point to worn parts, dirty coils, or a refrigerant leak that forces the unit to work harder than it should.

Call (818) 855-1269 to fix any heat pump problem today.

Signs Your Heat Pump Needs Repair

Your heat pump needs repair when it stops heating or cooling effectively, runs constantly, makes unusual noises, or shows ice on the outdoor unit. Catching these signs early often prevents a full system breakdown during peak heating or cooling season.

Common signs your heat pump needs repair:

  • The unit will not turn on or shuts off mid-cycle
  • Warm air comes from the vents in cooling mode
  • Cold air comes from the vents in heating mode
  • The outdoor unit is covered in ice or frost
  • Airflow at the vents feels weaker than usual
  • Strange grinding, rattling, or hissing sounds
  • The unit short-cycles, turning on and off every few minutes
  • Higher monthly energy bills with no change in use
  • Water pooling around the indoor air handler
  • The unit will not switch between heating and cooling modes
  • A burning smell or odd odor coming from the vents
  • The thermostat reading does not match actual room temperature
  • If you notice any of these signs, schedule a heat pump check soon. Waiting often turns a small repair into a full compressor replacement, which is far more expensive.

Call (818) 855-1269 to book a heat pump check today.

Our Heat Pump Repair Process

Here is what happens after you book:

  • Step 1 – Schedule your repair: Call our team, and we book your visit fast, with same-day appointments available for urgent calls.
  • Step 2 – Full diagnostic: A licensed technician inspects both the indoor and outdoor units, tests refrigerant levels, checks electrical components, and runs the system in both modes to find the root cause.
  • Step 3 – Upfront quote and repair: We explain the issue in plain terms, share a clear quote, and complete the repair using parts from our fully stocked service vehicles.
  • Step 4 – Test and walk-through: We run the heat pump in both heating and cooling modes, check refrigerant pressures, and walk you through what we fixed before leaving.

Most heat pump repairs are completed in a single visit.

Call (818) 855-1269 to start the heat pump repair process today.

Emergency Heat Pump Repair in Sherman Oaks

We provide emergency heat pump repair in Sherman Oaks for sudden failures, total loss of heating or cooling, and safety risks like burning smells or sparking units. A heat pump shutdown during a heat wave or cold snap is more than an inconvenience, especially for homes with young children, seniors, or pets.

Call right away if you notice:

  • Total loss of heating or cooling during extreme weather
  • Burning smell or smoke coming from the unit
  • Sparking or electrical issues at the breaker panel
  • Loud grinding, banging, or screeching sounds
  • The outdoor unit is fully iced over or unresponsive
  • Water pooling under the indoor air handler
  • The unit trips the breaker repeatedly
  • A refrigerant leak with visible oil residue or hissing sounds
  • Our team responds fast, diagnoses the issue, and restores heating or cooling as quickly as possible.

Call (818) 855-1269 for emergency heat pump repair in Sherman Oaks.

Get Year-Round Comfort Back

A working heat pump keeps your home comfortable through every season, but a broken one leaves you exposed to both summer heat and winter cold. Our team at ServiStar Plumbing and HVAC arrives ready to diagnose the issue, run tests on both heating and cooling modes, and complete most repairs the same day. We give honest recommendations, share upfront pricing, and stand behind every job.

Call (818) 855-1269 to book heat pump repair in Sherman Oaks.

We Are Also Available For:

Call (818) 855-1269 to schedule any service in Sherman Oaks.

Save with Our Heat Pump Repair Coupons

Visit our promotions page to see current heat pump repair offers. Our deals rotate throughout the year and help Sherman Oaks customers keep repair costs lower. Mention any active deal when you book your service, and our team applies it to your final invoice.

Serving Sherman Oaks and the Surrounding Areas

Our heat pump repair team works out of our Riverside Drive office and reaches every part of Sherman Oaks. We cover the zip codes 91401, 91403, 91411, 91413, and 91423, along with the surrounding neighborhoods of:

  • Chandler Estates
  • Magnolia Woods
  • Valleyheart Glen
  • Hidden Woods
  • Royal Woods
  • Sherman Oaks Hills
  • Fashion Square
  • Library Square
  • Dixie Canyon
  • Kester Ridge
  • Longridge Estates
  • Beverly Glen
  • Sherman Village
  • Sherman Oaks Heights

Call (818) 855-1269 to confirm heat pump repair availability in your area.

Visit our office

ServiStar Plumbing and HVAC

13351 Riverside Dr Suite #414 Sherman Oaks, CA 91423 United States

(818) 855-1269

Open 24 Hours

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City Info: Sherman Oaks California

Sherman Oaks is a long-established neighborhood in the southern San Fernando Valley, set within the city limits of Los Angeles. The area is home to around 53,000 residents and features a mix of mid-century single-family homes, modern remodels, and apartment buildings, many of which rely on heat pumps for year-round comfort. Local landmarks include Sepulveda Pass, Mulholland Drive, Longridge Avenue, and Valley Spring Lane.

FAQs

Heat pumps are popular in Sherman Oaks because the local climate stays mild year-round, with summers in the 90s and winters in the 50s and 60s. This range is ideal for heat pump efficiency, which works best in moderate climates. Many homeowners use a single heat pump for both heating and cooling instead of running separate systems.

We finish most heat pump repairs on the first visit. Our trucks carry the parts most commonly needed for diagnostics and repairs, including capacitors, contactors, and refrigerant, which keeps the work fast and efficient.

Your heat pump is likely struggling due to a stuck reversing valve, low refrigerant, a failing compressor, or a clogged outdoor coil. Each cause affects performance in a different way, and a proper diagnosis is the only way to find the actual source. Our team tests both modes during the visit.

Your outdoor unit is frozen because the defrost cycle has failed, the refrigerant is low, or airflow across the coil is blocked. A properly functioning heat pump runs short defrost cycles to automatically clear ice. When that system fails, ice builds up and limits performance. Our team diagnoses the cause and clears the issue.

Heat pump repair cost in Sherman Oaks depends on the part needed, the type of unit, and how long the repair takes. Quick fixes like a capacitor or thermostat replacement cost less than compressor or reversing valve work. We always share an upfront quote after the diagnostic, so you can decide before any work begins.

Repair is recommended for units under 10 years old that have one or two failed parts. Replacement is usually the better option when the system is over 10 years old, faces repeat breakdowns, or has a failing compressor. Our team gives you an honest comparison after a full inspection.

A heat pump typically lasts 10 to 15 years with regular maintenance. Variable speed and ductless mini-split systems often fall in the higher end of that range. Skipping yearly maintenance often shortens that lifespan by several years.

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