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SERVICE STAR
Your Trusted
Bay Area
HVAC Contractor
Special Offer
$59 Diagnostic Special
Originally $129. Includes inspection, diagnosis, and estimate.
Bay Area HVAC Contractor Providing Quality HVAC Installs & Repairs for Over 20 Years
Service Star is your trusted Bay Area HVAC expert contractor for all things climate control, dedicated to ensuring your home remains perfectly comfortable year-round. As a leading HVAC service provider, we specialize in both rapid, reliable repairs and high-quality system installations. Our commitment is to deliver five-star service, from the moment you call to the completion of the job, whether you need immediate Bay Area HVAC repair or are looking to install an upgrade to a new, energy-efficient unit.​ We understand the specific climate needs of the local area, which is why we are the preferred choice for comprehensive Bay Area HVAC repair and install services. Trust Service Star to provide lasting comfort, efficiency, and value for your home's heating and cooling needs.
Repair
With same-day service available and a reputation built on trust, Service Star HVAC specializes in rapid, reliable, and honest repair service throughout the Bay Area. Don’t wait for the weather to turn—call us today and experience repair service that’s reliable, responsive, and always professional.
Replacement
Is your aging HVAC system struggling to keep up, leading to high energy bills and constant repairs? Upgrade your Bay Area home's comfort and efficiency with a 5-star HVAC replacement professionally installed by the trusted experts at Star Service.
Maintenance
Don't get caught without heating or cooling; our 5-star maintenance service keeps your Bay Area home comfortable and your system running efficiently all year long. A professional tune-up from Star Service not only prevents costly repairs but also lowers your energy bills and extends the life of your equipment.
Emergency AC & Furnace Repair in Bay Area
Fast, 24/7 Rapid Response
Is your air conditioner blowing warm air or your furnace completely shut down? Our local, certified technicians are ready for same-day service across the Bay Area. We repair all makes and models, and we offer upfront, flat-rate pricing—no surprises, even for after-hours calls.
Bay Area Air Conditioning and Furnace Replacements: How to Know If It's Time
Trust our team of professionals to handle all your HVAC needs with precision and care. From installations to repairs, we've got you covered.
The Dangers of an Old Furnace: Carbon Monoxide and Safety
An old furnace can be more than just inefficient—it can pose a safety risk to your home. If your heating system is over 15 years old, requires constant thermostat adjustments to maintain warmth, or is leaving cold spots throughout your home, it's a strong sign a replacement is needed. Most critically, look for a yellow or flickering pilot light (instead of a steady blue one) or visible rust and cracks on the furnace's exterior. These signs can indicate a potential carbon monoxide leak, meaning it's time to retire the old unit and invest in a safe, new system that will provide reliable, even heat for years to come.
Common Warning Signs Your ACC Needs Replacement
Don't wait for a complete system breakdown on the hottest day of the year. If your AC unit is over 10-15 years old, requires frequent, expensive repairs, or is causing your energy bills to suddenly spike, these are common warning signs that it is nearing the end of its lifespan. Other tell-tale signs include your unit blowing only warm air, short-cycling, or making loud, strange noises. Replacing an aging system now with a new, high-efficiency model can save you from emergency repair headaches and drastically lower your monthly cooling costs.
Repair vs Replacement
A major AC repair can be stressful, and the biggest question is always: 'Is it worth it?' At Service Star, we follow the $5,000 Rule and the 50% Rule to provide you with honest, data-driven advice. The $5,000 Rule suggests replacement is wiser if your unit's age multiplied by the repair cost exceeds a threshold of $5,000 (e.g., a 10-year-old unit with a $600 repair totals $6,000, exceeding the threshold). Additionally, the 50% Rule states that if the repair quote is more than half the cost of a brand-new, high-efficiency system, replacement offers superior long-term value. Following these rules ensures you avoid sinking money into an aging unit that will only lead to higher energy bills and more frequent, costly breakdowns in the near future.Our goal is to save you money in the long run, not just today.
Maximize Your Comfort with HVAC Maintenance Plans
Don't wait for a breakdown to call us! Routine maintenance is the single best investment you can make in your AC and furnace. Our Service Star Maintenance Plans protect your system, save you money on energy bills, and ensure your comfort all year round here in San Ramon.
Why Prioritize Annual HVAC Maintenance?
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Lower Energy Bills: A well-maintained system runs efficiently, saving you up to 30% on your monthly utility costs.
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Protect Your Warranty: Most manufacturer warranties require annual professional tune-ups to remain valid.
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Prevent Costly Breakdowns: We catch small issues (like a faulty capacitor or clogged drain) before they become expensive emergency repairs.
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Priority Service
Why Choose Us as Your Bay Area HVAC Install and Repair Service?
Clients come first, period.
Your comfort, safety, and peace of mind are at the heart of everything we do. Whether it’s a routine check-up or a full system replacement, we approach every home as if it were our own.
No surprises. No jargon.
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We’ll never leave you wondering when our team will arrive and when a job will be completed. Get clear, transparent updates every step of the way.
Clean and courteous.
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We show up when we say we will, in uniform, with a smile—and we leave your home cleaner than we found it. From boot covers to drop cloths, our team treats your space with the respect it deserves.
You’ll never feel pressured.
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Our goal is to educate you about your system, explain what’s urgent (and what’s not), and give you the confidence to make informed decisions that fit your needs.
Reliability you can feel.​
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You called us for a reason—and we don’t take that lightly. Our techs arrive fully prepared, equipped, and trained to do the job right the first time.
Teamwork you can depend on.​
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From your first phone call to the final invoice, our office staff, dispatchers, and field technicians work together so your experience feels smooth, not stressful.
Coupons & Discounts
Special Offer
$59 Diagnostic Special
Originally $129. Includes inspection, diagnosis, and estimate.
Special Offer
$50 off install
Install a Nest Thermostat. Limitations apply.
Special Offer
Save 10% on labor
We do the work, you save. Can't be combined with other offer.
