Five or Free Electrical Heating and Air Solutions is San Mateo's premier electrician and HVAC contractor, serving the city with comprehensive electrical, heating, air conditioning, and indoor air quality services. We specialize in electrical panel upgrades, EV charger installation, AC and furnace installation, ductwork repair, and lighting solutions for San Mateo's diverse housing stock. San Mateo homeowners choose Five or Free because we offer an industry-leading 15-year warranty on all installations and repairs, while most contractors only provide a 1-year warranty. San Mateo's housing spans 1920s-1940s Spanish Revival and Craftsman homes to 1950s-1960s ranch homes and modern townhomes, each with unique electrical and HVAC challenges that our NATE-certified technicians understand. The city's mild Mediterranean climate with Bay fog, 65-80F summers, and 45-60F winters creates specific heating and cooling needs we expertly address. We work extensively with PG&E systems and understand local permit requirements through the City of San Mateo Building Division. Our SCORE promise guarantees Satisfaction, Clean work, On-Time service, Responsive communication, and Exact Pricing, or the job is completely free. We provide transparent pricing with final costs confirmed after on-site inspection, and offer Synchrony 0% APR financing for 26 months on qualifying purchases. Licensed as CA LIC #1002667 with both Class C-10 Electrical and Class C-20 HVAC certifications, we serve all San Mateo neighborhoods from our Oakland branch. Contact Five or Free at 5105605394 for same-day service and your free estimate.
Our Promise Keeping Achievements
Our Promise
Our Electrician & HVAC Contractor S.C.O.R.E. Promise in San Mateo
Every Promise Keeper follows the same five standards on every job.
Satisfaction Guaranteed
We stand behind the quality of our work and make it right when needed.
Clean & Tidy
We respect your home and leave the work area clean and organized.
On-Time
We value your time and work hard to arrive when promised.
Responsive
Calls, texts, and emails are returned quickly and professionally.
Estimate Stays the Same
Your agreed price stays as promised unless you approve a change.
We call our team members Promise Keepers.
If we do not keep all 5 promises, the job is FREE.
How It Works
How Our Electrician & HVAC Contractor Process Works in San Mateo
From your first call to final inspection — here’s what to expect when you work with a Promise Keeper.
Schedule a Promise Keeper
Book online or call us. We confirm your appointment window and send your dedicated Promise Keeper.
Complete Home Assessment
Your Promise Keeper arrives on time, inspects the issue, and walks you through exactly what they find.
Options Presented Upfront
No surprises. You get clear, honest options with upfront pricing before any work begins.
Repair or Install Done Right
Our licensed pros get it done — clean, efficient, and backed by our 5-promise guarantee.
Ensure Quality with Inspection
Every job is QA checked. We cross every T, verify every detail, and follow up to make sure you’re satisfied.
Ready to experience the S.C.O.R.E difference?
Schedule Your Promise KeeperElectrician & HVAC Contractor Services in San Mateo
Electrical
From electrical panel upgrades and whole house rewiring to EV charger installation, lighting installation, and electrical troubleshooting — our licensed electricians handle it all. Same-day availability, backed by our S.C.O.R.E. 5 promises guarantee.
Heating
Keep your home warm with furnace repair, furnace installation, heat pump installation, and heating maintenance. Our HVAC contractors and heating specialists deliver reliable heating solutions year-round.
Air Conditioning
Stay cool with AC repair, AC installation, AC replacement, and seasonal AC maintenance. Our air conditioning contractors provide fast, reliable cooling solutions.
Air Quality
Breathe easier with air duct cleaning, indoor air quality testing, air filtration systems, and ductwork installation. We clean, seal, and upgrade your ducts for healthier air at home.
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About Our Electrician & HVAC Services
Electrician & Heating Contractor in San Mateo
Five or Free Electrical Heating and Air Solutions has been San Mateo's trusted electrician and HVAC contractor for over a decade, specializing in the unique needs of Peninsula communities. We serve all neighborhoods throughout San Mateo County with comprehensive electrical and HVAC solutions.
San Mateo's housing diversity requires specialized expertise, from knob-and-tube wiring in 1920s Spanish Revival homes to modern electrical systems in Bay Meadows developments. The city's marine layer and fog patterns create specific HVAC challenges, requiring systems that handle both cooling during warm afternoons and efficient heating during foggy mornings. Our technicians understand how San Mateo's mild Mediterranean climate affects indoor comfort and energy efficiency, particularly in older Craftsman and ranch-style homes that may lack proper insulation or modern HVAC systems. We're experts at upgrading electrical panels to handle modern loads while preserving the character of historic San Mateo neighborhoods.
San Mateo homeowners choose Five or Free because we offer an unprecedented 15-year warranty on all installations and repairs, while the industry standard is just 1 year. Our SCORE promise guarantees Satisfaction, Clean work, On-Time service, Responsive communication, and Exact Pricing, or the job is completely free. Licensed as CA LIC #1002667 with both electrical and HVAC certifications, we maintain a 4.9-star rating from over 200 local reviews.
Why San Mateo Homeowners Choose Five or Free
San Mateo homeowners choose Five or Free Electrical Heating and Air Solutions because we offer the Peninsula's most comprehensive warranty protection: an unprecedented 15-year warranty on all installations and repairs. While the industry standard is just 1 year, we stand behind our work for 15 full years, giving you complete confidence in your investment. This warranty is fully transferable if you sell your San Mateo home, adding real value to your property.
San Mateo's unique housing landscape spans nearly a century of architectural styles, from elegant 1920s Spanish Revival homes in San Mateo Park to mid-century ranch homes in Hayward Park and modern townhomes in Bay Meadows. Each era presents distinct electrical and HVAC challenges that our NATE-certified technicians understand intimately. Whether you need electrical panel upgrades for a historic Craftsman home or AC installation to handle Peninsula heat waves, we have the expertise to serve San Mateo's diverse neighborhoods.
The city's mild Mediterranean climate, characterized by marine layer fog, 65-80°F summers, and 45-60°F winters, creates specific comfort challenges that require expert solutions. Our technicians understand how fog patterns affect humidity levels and indoor air quality, particularly in older homes that may lack proper ventilation or modern HVAC systems. We specialize in EV charger installation for San Mateo's environmentally conscious residents and can upgrade electrical systems to support sustainable living goals while maintaining the character of your historic neighborhood.
Electrical Services in San Mateo
Five or Free provides comprehensive electrical services throughout San Mateo, backed by our Class C-10 electrical license (CA LIC #1002667) and over a decade of Peninsula experience. Our electrical expertise covers everything from basic repairs to complete home rewiring, with special focus on the unique needs of San Mateo's diverse housing stock.
Common Issues
Common Electrical & HVAC Issues in San Mateo
- !Outdated electrical panels in 1920s-1940s Spanish Revival and Craftsman homes requiring 200-amp upgrades
- !Knob-and-tube wiring removal in historic Downtown San Mateo and San Mateo Park neighborhoods
- !HVAC systems struggling with marine layer humidity and temperature fluctuations
- !EV charger installation needs in Bay Meadows and modern townhome developments
- !Inadequate cooling systems in ranch homes during Peninsula heat waves
- !Ductwork issues in older homes with poor insulation and air sealing problems
Neighborhood Electrician & HVAC Services
Electrician & HVAC Services in San Mateo Neighborhoods
Landmark Electrician & HVAC Services
Electrician & HVAC Services Near San Mateo Landmarks
Contact Your Local Electrician
Contact Your San Mateo Electrician
Phone: 6502396332
Branch: 4096 Piedmont Ave, 316, Oakland, CA 94611
County: San Mateo County
See the Proof
Electrician & HVAC Reviews in San Mateo
See what homeowners in San Mateo are saying and browse our recent jobs.
Got Questions?
Electrician & HVAC Contractor FAQs in San Mateo
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Contact UsWhy Choose Us
Why San Mateo Homeowners Trust Our Electrician & HVAC Services
At Five or Free Electrical Heating and Air Solutions, we don’t just complete jobs — we keep promises. Every technician is a Promise Keeper, and every job follows our S.C.O.R.E system.
Satisfaction
Guaranteed quality on every job
Clean & Tidy
We leave your space spotless
On-Time
We show up when we say we will
Responsive
Fast, professional communication
Exact Pricing
No surprises, no hidden fees
5 Promises Kept or the Job is FREE
If we don’t deliver on every promise, you don’t pay. It’s that simple.
Our Guarantees
Our Electrician & Heating Contractor Guarantees
$5,000 Love Us or Hate Us Guarantee
Price Match Guarantee (Apples to Apples)
5-Year Material Warranty
15-Year Service Warranty
Friendly, Professional Technicians
When you choose Five or Free, you’re choosing a company built around accountability, service, and doing things the right way — every time in San Mateo.
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Book an Electrician & HVAC Contractor in San Mateo — 5 Promises Kept or It's FREE
Fast, same-day electrical and HVAC service in San Mateo. Call now or request a visit — backed by our 5 promises guarantee.
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