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Heat Pumps
San Mateo, San Mateo & San Francisco Counties

Heat Pump Repair San Mateo

Fast, Professional HVAC Service Throughout San Mateo & San Francisco Counties

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Heat Pump Repair in San Mateo: Quick Answers

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How much does heat pump repair cost in San Mateo?

Heat pump repairs typically range from $150-$800 depending on the issue. Refrigerant or compressor work is on the higher end, while thermostat or sensor repairs cost less. Call (925) 578-3379 for a free San Mateo estimate — we serve all San Mateo & San Francisco Counties neighborhoods.

Why is my heat pump blowing cold air in heat mode?

Common causes include defrost cycle operation (normal), low refrigerant, a stuck reversing valve, or outdoor unit issues. Our technicians can quickly diagnose the problem. Call (925) 578-3379 for a free San Mateo estimate — we serve all San Mateo & San Francisco Counties neighborhoods.

Can you repair my mini-split heat pump?

Yes! We're factory-trained on Mitsubishi, Daikin, Fujitsu, and other ductless mini-split systems. We repair both indoor and outdoor components. Call (925) 578-3379 for a free San Mateo estimate — we serve all San Mateo & San Francisco Counties neighborhoods.

Why Choose Professional Heat Pump Repair in San Mateo?

Heat pump issues in San Mateo affect year-round comfort since these systems provide both heating and cooling. San Mateo's Peninsula location creates a moderate coastal climate with cool marine layer mornings, mild afternoons, and occasional warm days inland. This comfortable climate benefits from efficient heating systems and increasingly, cooling for warmer months. Common problems include refrigerant leaks, failed reversing valves, defrost cycle errors, and compressor issues — all of which our factory-trained technicians can diagnose and repair for Mitsubishi, Carrier, Lennox, American Standard, and other brands serving San Mateo & San Francisco Counties. We stock parts for the most common San Mateo heat pump models and complete most repairs in a single visit.

Looking for San Mateo's best HVAC contractor? Galaxy Heating & Air Conditioning is your local expert for heating, heat pumps, and air conditioning solutions across all San Mateo neighborhoods. With dependable brands like Carrier, Lennox, Mitsubishi, and American Standard, we deliver reliable comfort to Peninsula homes. San Mateo's moderate climate and diverse housing-including iconic Eichlers-demand versatile HVAC solutions.

Our NATE-certified technicians specialize in heat pump repair throughout San Mateo and all of San Mateo & San Francisco Counties, delivering customized solutions matched to local conditions.

From established single-family neighborhoods in Hillsdale and Baywood to charming Eichler homes to downtown condos, San Mateo's diverse housing serves Peninsula families and professionals.

San Mateo Neighborhoods We Serve for Heat Pump Repair

Our technicians know San Mateo's neighborhoods well — every street, housing era, and local quirk that affects your HVAC system. Here's where we regularly provide heat pump repair services:

Hillsdale

Neighborhood near Hillsdale Shopping Center with single-family homes from the 1940s-1980s, families and Peninsula commuters, moderate Peninsula climate ideal for efficient heat pump installations with optional cooling

Baywood

Classic mid-century neighborhood with well-maintained single-family homes from 1950s-1980s, family-friendly community, quality construction, central Peninsula location, many upgrading from aging furnaces to modern energy-efficient variable-speed heat pump systems

San Mateo Park

Iconic Eichler neighborhood with mid-century modern homes from 1950s-1970s, post-and-beam construction and radiant floor heating, design-conscious homeowners, properties ideal for non-invasive ductless heat pump installations preserving architectural integrity

Downtown San Mateo

Urban core with modern condos and lofts from the 1920s-2020s, young professionals and urban dwellers, many units needing modern ductless mini-split HVAC systems

Beresford

Quiet established neighborhood with quality single-family homes from 1940s-1980s, long-term families and Peninsula commuters, tree-lined streets, many with aging HVAC needing modern energy-efficient heat pump replacement upgrades for improved comfort

Hayward Park

Convenient neighborhood near Caltrain with single-family homes from 1940s-1980s, Peninsula commuters and established families, quality schools, many upgrading from aging furnaces to efficient variable-speed heat pumps for year-round comfort

What Heat Pump Repair Services Do You Offer in San Mateo?

Heating Mode Repair

Heat pump not providing adequate heat? We diagnose and repair defrost cycle issues, reversing valve problems, and refrigerant charge issues that affect heating performance.

  • Defrost cycle testing
  • Reversing valve repair
  • Refrigerant charge correction
  • Auxiliary heat verification

Cooling Mode Repair

When your heat pump won't cool properly, we check refrigerant levels, compressor operation, and airflow to identify and fix the problem.

  • Compressor diagnostics
  • Refrigerant leak repair
  • Fan motor service
  • Coil cleaning

Inverter Drive Repair

Modern variable-speed heat pumps use inverter technology for efficiency. We're factory-trained to diagnose and repair these advanced systems.

  • Inverter board diagnostics
  • Variable-speed motor repair
  • Communication troubleshooting
  • Software updates

Outdoor Unit Service

The outdoor unit is exposed to weather and debris. We repair compressors, fan motors, defrost controls, and refrigerant leaks.

  • Compressor repair/replacement
  • Fan motor and blade service
  • Coil cleaning and repair
  • Defrost sensor replacement

Refrigerant Leak Detection & Repair

Low refrigerant is a common cause of heat pump problems. We use electronic leak detectors and nitrogen pressure testing to locate leaks, then repair and recharge your system to factory specifications.

  • Electronic leak detection
  • Nitrogen pressure testing
  • Brazed leak repairs
  • System evacuation and recharge

Why Do San Mateo Homeowners Trust Galaxy?

Heat Pump Specialists

Our technicians are specifically trained and certified in heat pump systems, including advanced inverter-driven models.

All Major Brands

We repair American Standard, Mitsubishi, Carrier, Daikin, Lennox, Trane, Rheem, and all other heat pump manufacturers.

Same-Day Service

Heat pump problems affect both heating and cooling. We offer same-day repair to restore your comfort quickly.

Upfront Pricing

No surprise charges. We diagnose the problem and provide a complete quote before any repair work begins.

What San Mateo Customers Say About Our Heat Pump Repair Services

"Our furnace stopped working on the coldest night of the year. Galaxy had a technician at our door within 2 hours. He quickly diagnosed the problem and had us back up and running in less than an hour. Professional, fast, and reasonably priced!"

Sarah M.

San Mateo Homeowner

"I've been using Galaxy for all my HVAC needs for over 5 years. Their technicians are knowledgeable, professional, and honest. They've never tried to upsell me on services I didn't need. Highly recommend!"

Mike T.

San Mateo Business Owner

"Galaxy replaced our old HVAC system with a new American Standard unit. The installation was flawless and our energy bills have dropped significantly. Their customer service is exceptional!"

Jennifer L.

San Mateo Resident

Frequently Asked Questions About Heat Pump Repair in San Mateo

Why is my heat pump blowing cold air in heat mode?

Common causes include defrost cycle operation (normal), low refrigerant, a stuck reversing valve, or outdoor unit issues. Our technicians can quickly diagnose the problem.

How much does heat pump repair cost?

Heat pump repairs typically range from $150-$800 depending on the issue. Refrigerant or compressor work is on the higher end, while thermostat or sensor repairs cost less.

Can you repair my mini-split heat pump?

Yes! We're factory-trained on Mitsubishi, Daikin, Fujitsu, and other ductless mini-split systems. We repair both indoor and outdoor components.

Recent Heat Pump Repair Work in San Mateo

Here are examples of recent HVAC projects completed in San Mateo neighborhoods similar to yours:

Hillsdale

Installed a Carrier variable-speed heat pump system (model Infinity 17VS with smart thermostat) in a 2,100 sq ft Hillsdale home. The new 17 SEER2 system replaced a 15-year-old furnace and added modern AC capability, providing app-based control, efficient heating year-round, and comfortable cooling during warmer Peninsula days. The homeowner reports 34% lower energy costs and qualified for $1,900 in combined rebates.

Baywood

Replaced an aging gas furnace with a high-efficiency 16 SEER2 Lennox variable-speed heat pump in a 1,900 sq ft Baywood home. The new system provides efficient heating, optional AC for warm days, operates whisper-quiet, and integrates with the homeowner's smart home system. The Peninsula's moderate climate makes heat pumps ideal-handling both heating and the occasional need for cooling.

San Mateo Park

Installed a Mitsubishi ductless multi-zone system (model MXZ-3C30 with 3 zones) in a classic Eichler home in San Mateo Park. The home's post-and-beam architecture and radiant floors made traditional ductwork impractical. The new system provides efficient heating, optional AC, independent room control, and preserves the home's iconic mid-century design while delivering modern comfort.

Ready to Schedule Heat Pump Repair in San Mateo?

Call us today or fill out our online form to get started with expert HVAC service