SPRING SPECIAL, Limited Time Offer. Save $3,000 on a New System Installation. While Supplies Last. More details...
Heating and Air Conditioning Services in South San Francisco, CA
Expert Heating, Cooling & Air Quality Solutions
Quick Answers About South San Francisco HVAC Services
Get instant answers to the most common questions
What HVAC services does Galaxy offer in South San Francisco?
We provide complete HVAC services in South San Francisco including heat pump installation, furnace repair and replacement, AC installation and repair, ductless mini-split systems, indoor air quality solutions, and 24/7 emergency service. Our NATE-certified technicians serve all South San Francisco neighborhoods.
How quickly can Galaxy respond to service calls in South San Francisco?
We offer same-day service throughout South San Francisco and are available 24/7 for emergencies. Most service calls are scheduled within 24 hours, and our emergency technicians can typically arrive within 2-4 hours for urgent heating or cooling failures.
Does Galaxy serve all neighborhoods in South San Francisco?
Yes! We proudly serve every neighborhood in South San Francisco and throughout San Mateo & San Francisco Counties. Our South San Francisco-based technicians are familiar with local housing types, climate conditions, and the unique HVAC needs of South San Francisco homes and businesses.
What makes Galaxy the best HVAC contractor in South San Francisco?
Galaxy stands out in South San Francisco with 24/7 phone availability, NATE-certified technicians, American Standard Platinum Dealer status, upfront pricing, same-day service, and A+ BBB rating. We specialize in the South San Francisco climate and offer lifetime warranty coverage on qualifying systems.
Have more questions? Call us at (925) 578-3379 or schedule a consultation
What HVAC Services Do You Offer in South San Francisco?
South San Francisco long defined itself by the white letters carved into its hillside: 'Industrial City.' Today the biotech revolution centered on Genentech Boulevard has rewritten that story — the city is now home to dozens of leading life sciences companies and a growing residential population of professionals and families who've discovered that South San Francisco's industrial heritage didn't stop it from developing genuine neighborhood character. Galaxy Heating & Air Conditioning serves both sides: the commercial biotech sector and the diverse residential neighborhoods above.
We serve South San Francisco's residential and commercial landscape: Westborough and Buri Buri hillside neighborhoods where established homes benefit from heat pump upgrades; Sign Hill and Paradise Valley residential areas with good sun exposure where cooling capacity matters during summer afternoons; the East Grand Avenue biotech corridor where commercial HVAC serves research facilities and office buildings; and the growing downtown residential developments near the Caltrain station.
South San Francisco's coastal location gives it a moderate, fog-influenced climate similar to Daly City and San Francisco — but its hillside neighborhoods get more sun than the fog-belt north, and summer afternoons can push to 75–82°F, making heat pump cooling relevant for south-facing and upper-floor spaces. The combination of heating need and occasional cooling demand is exactly what heat pumps are designed for: year-round efficiency without the separate systems that older homes required.
Commercial properties may qualify for additional efficiency incentives through PG&E business programs. Free estimates, upfront pricing, flexible financing. 24/7 emergency service for both residential and commercial. Call (925) 578-3379.
Why Trust Galaxy for South San Francisco HVAC Service?
South San Francisco's housing includes post-war single-family neighborhoods, hillside homes with panoramic views, and modern developments near downtown and the biotech corridor. Many homeowners are upgrading to efficient heat pumps that provide year-round comfort-heating for cool Peninsula mornings and optional AC for increasingly warm days. Hillside properties especially benefit from ductless heat pumps that work efficiently without extensive ductwork modifications.
We serve South San Francisco's diverse commercial sector, including the biotech campus, industrial facilities, downtown retail and restaurants, office buildings, and medical facilities. Our commercial team handles rooftop units, multi-zone systems, precision climate control for labs and cleanrooms, and 24/7 emergency support for critical facilities.
South San Francisco's Peninsula location creates a comfortable coastal climate with cool marine layer mornings (often 55-65°F), mild afternoons, and occasional warm inland days reaching 75-80°F. This moderate climate is ideal for efficient heat pumps that provide heating year-round while offering optional cooling during warmer months. Many South San Francisco homeowners appreciate heat pumps' all-electric operation, energy efficiency, and environmental benefits.
Areas We Serve:
Which HVAC Services Are Available in South San Francisco?
Click on any service below to learn more about how we can keep your South San Francisco home comfortable year-round.
Furnace Repair
Expert furnace diagnostics and repair to restore your heating. Same-day service for all furnace brands serving South San Francisco's climate.
AC Repair
Fast, same-day air conditioning repair for all makes and models. Essential for South San Francisco's warm summer temperatures.
Heat Pump Repair
Professional heat pump repair for efficient year-round comfort. Expert diagnostics and repairs for American Standard, Mitsubishi, Carrier, and Lennox systems.
Furnace Installation
High-efficiency furnaces from American Standard, Carrier, and Lennox up to 98% AFUE for reliable warmth in South San Francisco's mild winters. Proper sizing and installation for maximum efficiency.
AC Installation
High-efficiency air conditioning systems from top brands for South San Francisco homes. Variable-speed cooling designed for optimal energy savings.
Heat Pump Installation
All-electric heating and cooling with premium heat pumps from American Standard, Mitsubishi, Carrier, and Lennox. Perfect for South San Francisco's climate with energy savings up to 50%.
24/7 Emergency HVAC in South San Francisco
Heating or cooling failure? We respond fast — day, night, and weekends.
Pricing & Options
Better Comfort
2-stage systems (Carrier & American Standard) – dependable heating for Peninsula climate
Best Comfort
Variable-speed heat pumps (Lennox, Mitsubishi, Carrier) – efficient heating & cooling year-round
Ductless Systems
Perfect for hillside homes, ADUs, and spaces without ductwork
Recent South San Francisco Installations
Westborough Neighborhood
Installed a Carrier variable-speed heat pump system (model Infinity 17VS with smart thermostat) in a 1,900 sq ft Westborough 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 33% lower energy costs and.
Buri Buri Neighborhood
Replaced an aging gas furnace with a high-efficiency 20 SEER2 American Standard AccuComfort variable-speed heat pump in a 1,800 sq ft Buri Buri home. The new system provides efficient heating, optional AC for warm days, operates whisper-quiet, and integrates with the homeowner's smart home system. South San Francisco's moderate Peninsula climate makes heat pumps ideal for year-round comfort.
Winston Manor Neighborhood
Installed a Mitsubishi ductless multi-zone system (model MXZ-3C30 with 3 zones) in a hillside Winston Manor home. The property's multi-level design and lack of existing ductwork made traditional HVAC challenging. The new inverter-driven system provides efficient heating and cooling, independent zone control, operates whisper-quiet, and reduced energy costs by 35%.
Sunshine Gardens Neighborhood
Installed a Mitsubishi Electric ductless heat pump outdoor unit at a Sunshine Gardens South San Francisco home. The compact inverter-driven unit was set on a fresh pad alongside the home with a tidy refrigerant line chase and code-compliant electrical disconnect — delivering quiet, efficient comfort year-round in the Peninsula climate.
Your Trusted South San Francisco HVAC Experts
Serving South San Francisco with elite manufacturer certifications, comprehensive warranties, and local expertise you can trust.
American Standard Platinum Dealer
Elite certification for exceptional customer care
Diamond Elite Mitsubishi Authorized
Factory-certified installation excellence
5-Year Labor Warranty Included
Every South San Francisco installation protected
BBB A+ & Diamond Certified
Top ratings from South San Francisco customers
Local San Mateo & San Francisco Counties Experts
We live, work, and serve here
Flexible Financing
Affordable payment options available
Why Do South San Francisco Homeowners Choose Galaxy?
24/7 Emergency Service
HVAC emergencies don't wait for business hours. We're available 24/7 to serve South San Francisco residents.
Fast Response Times
Serving South San Francisco and throughout San Mateo & San Francisco Counties with same-day service when you need it most.
NATE-Certified Technicians
Our team is trained, certified, and experienced in servicing all major HVAC brands and models.
Upfront, Transparent Pricing
No surprises. We provide clear estimates before starting any work in your South San Francisco home.
100% Satisfaction Guarantee
We stand behind our work with a complete satisfaction guarantee on all services.
Locally Owned & Operated
We're your neighbors in the Bay Area, committed to exceptional service for South San Francisco residents.
What South San Francisco Customers Say
"I had an old HVAC system in my Buri Buri home that finally gave out during a chilly winter night. Galaxy Heating & Air Conditioning came to the rescue! They were super quick to respond and had my system replaced the next day. The new unit runs quietly and efficiently. I can already feel the difference in my energy bills!"
"Living in Winston Manor means we get those cool marine layer mornings, but this summer, our AC struggled to keep up during the heat waves. I called Galaxy for a maintenance check, and they found a few issues that needed fixing. They were thorough and professional, and now our home is the perfect escape from the heat!"
"My family and I just moved to Westborough, and we noticed the furnace wasn’t heating properly as winter rolled in. I reached out to Galaxy Heating & Air Conditioning, and they sent a technician right away. He was friendly and explained everything he was doing. They replaced a faulty part, and now our home is warm and cozy. I’m really glad I found them!"
Top HVAC Products for South San Francisco Homes
American Standard Gold 2-Stage AC
17 SEERModel: 5A7A70
The most popular central AC upgrade for South San Francisco homes with existing gas heating. Runs at low stage on mild days — quieter, more efficient, and better at controlling summer humidity.
American Standard Platinum Heat Pump
20 SEERModel: 5A6V0X
Top-tier heating and cooling for South San Francisco homes in one system. Fully communicating Platinum series delivers precise comfort control and full system diagnostics from a single thermostat.
Carrier Infinity 20 Central Air Conditioner
Up to 20 SEER2Series: 24ACC6
Carrier's flagship central AC for South San Francisco homes with existing ductwork. Greenspeed Intelligence modulates output precisely — never wastefully cycling on and off like a standard single-stage unit.
Carrier Crossover Series Heat Pump
Up to 26 SEER2Models: 37MURA / 37MUHA
Carrier's ductless crossover heat pump for South San Francisco homes. Pairs with a gas furnace or air handler for a dual-fuel hybrid setup, or installs standalone for garages and additions.
Lennox SLP99V Variable-Speed Furnace
99% AFUEModel: SLP99V
The efficiency benchmark in gas heating for South San Francisco homes. A modulating furnace that adjusts its output continuously — no blast of hot air, no cold spots, just steady quiet warmth.
American Standard Side-Discharge Heat Pump
16 SEERModel: 5HPL50
The go-to solution when a standard heat pump won't fit. Built for South San Francisco properties with limited outdoor space — side-discharge airflow opens installation locations that top-discharge units can't use.
Common HVAC Questions in South San Francisco
What does Galaxy charge for HVAC troubleshooting in South San Francisco?
Our diagnostic/troubleshooting fee is just $59, and it gets applied toward your repair if you proceed with service. This covers a complete system evaluation by our NATE-certified technicians. We provide upfront pricing before any work begins—no hidden fees or surprise charges. Call (925) 578-3379 to schedule same-day service in South San Francisco.
Do you offer 24/7 emergency HVAC service in South San Francisco?
Yes! Galaxy provides 24/7 emergency HVAC service throughout South San Francisco and San Mateo & San Francisco Counties. Whether your furnace fails on a cold winter night or your AC breaks down during a heat wave, our technicians are available around the clock. We serve all South San Francisco neighborhoods including Westborough, Buri Buri, Winston Manor. Call (925) 578-3379 anytime.
What HVAC brands do you install and service in South San Francisco?
We install and service all major HVAC brands including American Standard, Carrier, Lennox, Trane, Rheem, Mitsubishi, Daikin, Bryant, Goodman, and more. As an American Standard Platinum Dealer, we offer premium equipment with exclusive warranties. Our NATE-certified technicians are trained on all makes and models for South San Francisco homes.
What maintenance does my heating and cooling system need in South San Francisco?
We recommend professional HVAC maintenance twice a year—once before cooling season (spring) and once before heating season (fall). South San Francisco's Peninsula location creates a moderate coastal climate with cool marine layer mornings, mild afternoons, and occasional warm inland days. Regular maintenance prevents breakdowns, improves efficiency, and extends equipment life. Ask about our maintenance plans for South San Francisco homeowners.
Do you provide free estimates for new HVAC systems in South San Francisco?
Absolutely! We provide free, no-obligation estimates for all new HVAC installations in South San Francisco. Our comfort advisors will visit your home, assess your heating and cooling needs, and recommend the best system for your space and budget. We offer flexible financing options with payments as low as $89/month on approved credit.
Does Galaxy offer payment plans for heating and cooling in South San Francisco?
We offer flexible financing with convenient monthly payments on approved credit. Whether you're upgrading to a high-efficiency heat pump, replacing an aging furnace, or installing a new AC system, we'll help you find a payment plan that fits your budget. Ask about our 0% interest promotions available to South San Francisco homeowners.
How much do HVAC repairs typically cost in South San Francisco?
Most HVAC repairs in South San Francisco range from $225-$550 for common issues like igniter replacement, capacitor failure, or thermostat problems. More complex repairs involving motors or control boards can run $500-$1,200. Remember, our $59 diagnostic fee gets applied to your repair cost. We always provide upfront pricing before starting work.
What areas around South San Francisco do you serve?
Galaxy Heating & Air Conditioning proudly serves South San Francisco and all of San Mateo & San Francisco Counties, plus the greater Bay Area including Contra Costa, Alameda, San Mateo, Santa Clara, and San Francisco counties. We serve residential and commercial customers with the same commitment to quality. Our San Mateo & San Francisco Counties-based technicians know local homes and climate conditions.
HVAC Services in Cities Near South San Francisco
Galaxy serves all of San Mateo & San Francisco Counties. Browse our full lineup of heating, cooling, and heat pump services in nearby communities.
We Also Serve Cities Near South San Francisco
Contra Costa County
San Mateo & SF Counties
- › Atherton
- › Belmont
- › Burlingame
- › Daly City
- › Foster City
- › Hillsborough
- › Menlo Park
- › Millbrae
Ready to Get Started in South San Francisco?
Call us today for fast, reliable HVAC service from South San Francisco's most trusted contractor.