Furnace Repair San Mateo
Fast, Professional HVAC Service Throughout San Mateo & San Francisco Counties
Furnace Repair in San Mateo: Quick Answers
How much does furnace repair cost in San Mateo
Furnace repair costs typically range from $150-$600 depending on the issue. Simple repairs like igniter replacement or thermostat fixes are on the lower end, while blower motor or control board repairs cost more. We provide upfront pricing before any work begins. Call (925) 578-3379 for a free San Mateo estimate — we serve all San Mateo & San Francisco Counties neighborhoods.
Should I repair or replace my old furnace?
Generally, if your furnace is over 15 years old and repairs exceed 50% of replacement cost, replacement is often the better investment. Newer furnaces are significantly more efficient, potentially saving you 20-30% on heating costs. Call (925) 578-3379 for a free San Mateo estimate — we serve all San Mateo & San Francisco Counties neighborhoods.
Why is my furnace blowing cold air?
Common causes include a dirty air filter restricting airflow, thermostat issues, pilot light or igniter problems, or an overheated system that triggered safety shutoff. Our technicians can diagnose the exact cause quickly. Call (925) 578-3379 for a free San Mateo estimate — we serve all San Mateo & San Francisco Counties neighborhoods.
How quickly can you repair my furnace?
We offer same-day furnace repair service for most issues. Emergency service is available 24/7 with typical response times of 2-4 hours. Most repairs are completed in a single visit. Call (925) 578-3379 for a free San Mateo estimate — we serve all San Mateo & San Francisco Counties neighborhoods.
Why Choose Professional Furnace Repair in San Mateo?
A furnace breakdown in San Mateo demands fast, skilled response — especially during Bay Area's cool winter nights. 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. Our technicians service all furnace brands — Carrier, Lennox, American Standard, Goodman, and more — and carry the parts most commonly needed for San Mateo & San Francisco Counties homes. Whether your furnace won't ignite, short-cycles, or produces uneven heat, we diagnose and repair it right the first time, typically completing San Mateo furnace 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 furnace 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 Furnace 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 furnace 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 Furnace Repair Services Do You Offer in San Mateo?
Emergency Furnace Repair
When your furnace fails on the coldest night of the year, Galaxy is here. Our 24/7 emergency repair service ensures your San Mateo home stays warm. We stock common parts on our trucks for faster repairs.
- Available 24/7 for emergencies
- Most repairs completed same-day
- All major brands serviced
- Parts warranty included
Diagnostic & Troubleshooting
Our NATE-certified technicians use advanced diagnostic tools to identify furnace problems quickly and accurately. We'll explain the issue clearly and provide repair options with upfront pricing.
- Comprehensive system inspection
- Thermostat and control testing
- Electrical connection check
- Gas pressure and burner analysis
Blower Motor & Fan Repair
A failing blower motor can cause poor airflow, strange noises, or complete heating failure. We repair and replace blower motors, capacitors, and fan assemblies for all furnace types.
- Motor bearing and belt inspection
- Capacitor testing and replacement
- Fan blade balancing
- Airflow optimization
Ignition System Repair
Modern furnaces use electronic ignition or hot surface igniters. We diagnose and repair ignition problems quickly to restore reliable heating to your San Mateo home.
- Hot surface igniter replacement
- Flame sensor cleaning/replacement
- Gas valve inspection
- Safety switch testing
Heat Exchanger Inspection
A cracked heat exchanger is a serious safety concern. Our technicians perform thorough heat exchanger inspections and can recommend repair or replacement options.
- Carbon monoxide testing
- Visual and camera inspection
- Safety assessment
- Replacement recommendations if needed
Why Do San Mateo Homeowners Trust Galaxy?
Same-Day Repair Service
We understand heating emergencies can't wait. Our technicians are available for same-day furnace repair throughout the Bay Area.
All Furnace Brands Serviced
From American Standard and Carrier to Lennox and Trane, our NATE-certified technicians repair all major furnace brands.
Upfront, Transparent Pricing
No surprise charges. We provide a complete diagnosis and quote before any work begins.
NATE-Certified Technicians
Our technicians hold NATE certification, the industry's highest standard for HVAC expertise and professionalism.
What San Mateo Customers Say About Our Furnace 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 Furnace Repair in San Mateo
How much does furnace repair cost in the Bay Area?
Furnace repair costs typically range from $150-$600 depending on the issue. Simple repairs like igniter replacement or thermostat fixes are on the lower end, while blower motor or control board repairs cost more. We provide upfront pricing before any work begins.
Should I repair or replace my old furnace?
Generally, if your furnace is over 15 years old and repairs exceed 50% of replacement cost, replacement is often the better investment. Newer furnaces are significantly more efficient, potentially saving you 20-30% on heating costs.
Why is my furnace blowing cold air?
Common causes include a dirty air filter restricting airflow, thermostat issues, pilot light or igniter problems, or an overheated system that triggered safety shutoff. Our technicians can diagnose the exact cause quickly.
How quickly can you repair my furnace?
We offer same-day furnace repair service for most issues. Emergency service is available 24/7 with typical response times of 2-4 hours. Most repairs are completed in a single visit.
Recent Furnace Repair Work in San Mateo
Here are examples of recent HVAC projects completed in San Mateo neighborhoods similar to yours:
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.
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.
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 Furnace Repair in San Mateo?
Call us today or fill out our online form to get started with expert HVAC service