Quick Answer: Your heating system needs immediate professional attention if you notice: (1) strange noises like banging or squealing, (2) uneven heating or weak airflow, (3) unexplained energy bill increases, (4) frequent cycling on and off, (5) yellow flames or unusual odors, (6) thermostat unresponsiveness, or (7) visible water leaks or corrosion. Warning sign #5 poses the most serious safety risk due to potential carbon monoxide exposure.
The Full Answer: Your heating system is failing right now if you’re experiencing any of these warning signs-and ignoring them could cost you thousands in repairs or put your family’s safety at risk.
For homeowners in Marin, Sonoma, and Napa counties, your heating system represents a significant investment in your home’s comfort, value, and safety. Unlike minor appliance failures, heating system problems escalate quickly, particularly during Northern California’s coldest months when your system works hardest.
The encouraging news? Your furnace, heat pump, or boiler sends clear distress signals before complete failure. Recognizing these warning signs early transforms a manageable heating repair into a straightforward service call rather than an extensive replacement.
This comprehensive guide reveals the seven critical warning signs that demand immediate professional heating repair-including one that poses immediate danger to your family. Whether you’re searching for “heating repair near me” in San Rafael, Petaluma, or Novato, understanding these symptoms helps you take action before minor issues become major failures.
1. Strange Noises Coming From Your Heating System
Your heating system should operate with a gentle, consistent hum. Any deviation from normal operation deserves your immediate attention-these sounds indicate mechanical stress that worsens rapidly without professional furnace repair or heat pump repair.
Homeowners throughout San Rafael, Novato, and Santa Rosa frequently contact us about unusual heating system sounds. These noises are your equipment’s way of signaling that something is wrong.
What You Might Hear
Banging or clanking often indicates loose or broken components inside your furnace or heat pump. These sounds typically occur when metal parts strike against the cabinet or housing during operation. In some cases, banging signals ductwork expansion issues or a failing heat exchanger-both requiring prompt HVAC repair to prevent further damage.
Squealing or screeching usually points to belt problems or motor bearing issues. While belt-driven systems are less common in modern HVAC equipment, worn or misaligned belts produce a distinctive high-pitched squeal. In newer systems, this sound more often indicates failing motor bearings requiring immediate lubrication or replacement by a qualified heating contractor.
Rumbling after shutdown is particularly concerning in gas furnaces. This sound can indicate delayed ignition, where gas accumulates before igniting-a serious safety issue requiring immediate professional attention from an HVAC technician.
Clicking or rattling may seem minor but shouldn’t be ignored. Constant clicking can indicate electrical control problems, while rattling often means loose screws, panels, or internal components that will cause cascading damage over time.
Why It Matters
Strange noises rarely resolve themselves. That small squeal today becomes a seized blower motor next month – transforming a small heating repair into a large replacement. A minor rattle can indicate a component that’s about to fail completely, potentially damaging surrounding systems. More importantly, some sounds – particularly in gas-burning equipment – can indicate dangerous combustion conditions that affect your family’s safety. Prompt heating repair prevents minor issues from becoming major failures.
2. Uneven Heating or Weak Airflow Throughout Your Home
When your master suite remains uncomfortably cold while your kitchen overheats, or when airflow from registers feels barely perceptible, your heating system is struggling-and your property’s comfort systems are underperforming.
This is particularly common in larger Petaluma and Mill Valley homes with multiple stories or room additions, where heating distribution becomes more complex.
Common Symptoms
Temperature inconsistencies throughout your home create obvious discomfort. Your primary living spaces may reach set temperature while bedrooms or additions remain stubbornly cold. Sometimes the airflow from your vents feels weak-as though your system operates at quarter capacity despite running continuously.
What Causes Uneven Heating
Several issues create temperature inconsistencies requiring professional heating repair:
Blower motor problems prevent your system from circulating conditioned air through your ductwork effectively. When the blower fails or operates at reduced capacity, distant rooms receive inadequate heating while areas near your furnace or air handler overheat.
Clogged air filters are among the most common culprits requiring immediate attention. A severely blocked filter restricts airflow so dramatically that your heating system can’t circulate heated air properly-yet this simple issue causes your equipment to work significantly harder while delivering diminished comfort.
Ductwork problems including leaks, blockages, or inadequate design cause substantial heat loss before warm air reaches certain rooms. In homes with aging ductwork, tears or disconnected sections can dump heated air into crawl spaces or attics rather than your living spaces-essentially heating the outdoors while your family remains uncomfortable.
Thermostat placement and calibration can also create uneven heating. A thermostat located near heat sources, windows, or drafts sends incorrect signals to your heating system, causing premature shutoff before properly heating your entire home.
Why Immediate Attention Matters
Uneven heating doesn’t just compromise comfort-it forces your system to run extended cycles attempting to satisfy your thermostat settings. This increased runtime accelerates wear on critical components and substantially raises your energy bills. Professional heating repair can identify and resolve these airflow issues before they damage your equipment, protecting your investment in your home’s comfort systems.
3. Unexplained Rise in Energy Bills
One of the earliest indicators of heating system decline appears on your utility statement. When your heating costs spike without corresponding changes in usage patterns or weather conditions, your system is losing efficiency-and your operating costs are escalating unnecessarily.
Many homeowners searching for “heating repair near me” in Napa, Sonoma, and Marin counties first notice this problem through their PG&E bills before experiencing obvious comfort issues.
What’s Normal vs. What Demands Attention
Moderate heating cost increases during extended cold periods are expected. However, if December’s utility bill runs 40% higher than last December-despite similar weather and usage-your heating system requires professional evaluation.
According to the U.S. Department of Energy, heating systems receiving regular professional maintenance operate far more efficiently than neglected systems. When efficiency drops, your equipment must run longer to achieve the same temperature, consuming more fuel or electricity while delivering the same results.
Common Efficiency Robbers
Dirty or failing components force your system to work substantially harder. A clogged burner assembly in a gas furnace, a contaminated coil in a heat pump, or failing electrical components all increase energy consumption while reducing heat output-essentially wasting your energy dollars.
Air leaks in ductwork waste enormous amounts of heated air. Research indicates that homes can lose 20-30% of heated air through duct leaks before reaching living spaces-meaning nearly a third of your heating costs literally disappear into crawl spaces and attics.
Aging equipment naturally loses efficiency over time. A 15-year-old furnace that began with an 80% AFUE rating might now operate at 60% efficiency due to accumulated wear and deposits-requiring significantly more fuel to produce the same heat.
Taking Action
If your energy bills have climbed without explanation, don’t rationalize it as simply the cost of comfort. This early warning sign often precedes more serious problems requiring extensive heating repair. Professional HVAC repair can restore efficiency and prevent a complete system failure that would be far more expensive to address-while immediately reducing your monthly operating costs.
4. Frequent Cycling (System Turns On and Off Repeatedly)
Short cycling-when your heating system activates briefly, shuts down, then immediately reactivates-represents one of the most destructive problems your HVAC system can experience, accelerating component wear and dramatically reducing equipment lifespan.
What Short Cycling Looks Like
Instead of running steady 15-20 minute heating cycles, your furnace or heat pump fires up for just 2-5 minutes before shutting down. Minutes later, it starts again. This constant starting and stopping continues throughout the day, and you’ll often hear the frequent startup sounds-a clear indicator your system requires immediate heating repair.
Why Short Cycling Happens
Thermostat malfunctions are a frequent cause. A failing thermostat may misread your home’s temperature, causing your heating system to shut off prematurely. Thermostats located near heat sources, drafts, or direct sunlight are particularly prone to this problem.
Oversized HVAC equipment creates inherent short cycling issues. A heating system with excessive capacity for your square footage heats the space too rapidly, causing the thermostat area to reach set temperature before the rest of your home achieves comfort-then shutting down prematurely.
Restricted airflow from dirty filters, blocked return vents, or duct problems can cause dangerous overheating inside your unit. When safety sensors detect excessive heat buildup, they shut the system down to prevent damage. Once internal temperatures drop slightly, the cycle starts again-creating this destructive pattern.
Ignition problems in gas furnaces can cause rapid cycling as the system repeatedly attempts to establish and maintain a steady flame, requiring professional furnace repair.
The Hidden Damage of Short Cycling
Short cycling is extraordinarily destructive to heating equipment. The startup phase creates the most stress on any mechanical system-requiring maximum energy and creating maximum wear on components. A system that should cycle 3-4 times per hour might cycle 20-30 times instead, dramatically shortening its lifespan and accelerating the need for component replacement.
This constant cycling also fails to heat your home properly. Your system shuts down before distributing heated air throughout your ductwork, leaving rooms uncomfortable despite constant equipment operation and elevated energy consumption.
5. Yellow Flame or Strange Odors (Critical Safety Warning)
This warning sign demands immediate attention because it indicates potential carbon monoxide danger-a deadly threat to your family.
If you notice these danger signs, your first priority is safety-evacuate immediately and call 911. Schedule professional heating repair only after your family is safe and emergency responders have cleared your home.
The Danger of Carbon Monoxide
Carbon monoxide (CO) is an odorless, colorless gas that results from incomplete combustion in gas-burning heating systems. According to the CDC, CO poisoning sends thousands of Americans to emergency rooms each year and proves fatal in hundreds of cases. Early symptoms mimic the flu-headaches, dizziness, nausea-making it particularly dangerous.
Warning Signs to Watch For
Yellow or orange flame in your gas furnace instead of a steady blue flame indicates incomplete combustion and possible CO production. A properly functioning gas furnace burns with a crisp blue flame.
Soot or streaking around your furnace cabinet suggests combustion gases aren’t venting properly-another CO danger signal.
Strange odors near your heating system require investigation. While natural gas has an added odorant (that characteristic “gas smell”), you might also notice burning smells, musty odors, or other unusual scents that indicate problems.
Excessive condensation on windows near your heating system or rust on vent pipes can indicate combustion gases aren’t venting properly.
Immediate Action Required
If you notice a yellow flame, suspect a gas leak, or experience flu-like symptoms that improve when you leave your home:
- Evacuate your home immediately
- Call 911 from outside your property
- Do not re-enter until emergency responders clear your home
- Have your heating system inspected by a qualified HVAC technician before using it again
Never ignore these warning signs. Professional heating repair isn’t just about comfort-it’s about protecting your family’s safety. These issues require immediate attention from qualified heating contractors who can diagnose combustion problems and ensure your system operates safely.
🚨 NOTICE ANY DANGER SIGNS?
If you’re experiencing yellow flames, unusual odors, or flu-like symptoms that improve when leaving your home, evacuate and call 911 first-then contact Ongaro & Sons at 415-741-2820. Our phone lines are available 24/7 for scheduling appointments.
6. System Won’t Respond to Thermostat Adjustments
When you adjust your thermostat but nothing happens, or when your heating system ignores temperature settings entirely, you’re experiencing either a thermostat failure or a more serious system communication breakdown requiring immediate heating repair.
Common Symptoms
You increase your thermostat setting, but your heating system doesn’t activate. Or your furnace or heat pump runs continuously even though your home has exceeded the set temperature. Sometimes your thermostat’s display goes blank, shows incorrect temperature readings, or becomes completely unresponsive.
Possible Causes Requiring Professional Diagnosis
Dead thermostat batteries represent the simplest explanation. Many programmable and smart thermostats rely on batteries, and when they fail, your heating system receives no operational signals-though this appears as a major system failure.
Wiring problems between your thermostat and heating equipment prevent proper communication. Loose connections, corroded wires, or damage from rodents can all interrupt the signal between your wall control and your furnace or heat pump.
Failed thermostat can result from age, electrical surges, or internal component failure. Modern programmable and smart thermostats are sophisticated electronic devices, and like any technology, they can malfunction or fail completely.
Control board issues in your heating system itself may prevent it from receiving or properly responding to thermostat signals. The control board serves as your system’s “brain,” and when it malfunctions, your entire heating system becomes unresponsive regardless of thermostat function.
Safety lockouts can prevent your system from operating when sensors detect potentially unsafe conditions. While this isn’t a thermostat problem, it appears as though your heating system is ignoring your temperature commands-but it’s actually protecting your home from a dangerous malfunction.
Why Professional Diagnosis Matters
While you might assume a non-responsive system simply needs a new thermostat, the underlying cause could be significantly more complex and expensive. Professional heating repair technicians can quickly diagnose whether you’re dealing with a simple thermostat issue or a more significant system problem requiring control board repair, sensor replacement, or other component-level heating repair.
7. Visible Leaks, Rust, or Corrosion Around Your System
Water accumulation, rust stains, or corroded components represent visible indicators of serious problems demanding immediate professional heating repair attention-both for equipment protection and safety concerns.
What You Might Observe
Water pooling around your furnace, heat pump, or boiler indicates drainage system failure, a cracked heat exchanger, or a malfunctioning condensate system. High-efficiency furnaces produce significant condensation that must drain properly-when drainage fails, water accumulates and can damage electrical components, flooring, and surrounding structures.
Rust or corrosion on your system’s exterior cabinet, on connecting pipes, or around component connections indicates ongoing moisture problems and potentially serious structural deterioration. Rust weakens metal components and can lead to dangerous failures in pressure vessels and heat exchangers.
Visible cracks in your heat exchanger (if visible through inspection ports) represent a critical safety issue requiring immediate system shutdown and professional HVAC repair before resuming operation.
Excessive condensation or persistent moisture around your heating system suggests improper venting or combustion problems that can lead to carbon monoxide accumulation-a serious health hazard.
Why This Demands Immediate Attention
Water and heating systems create dangerous combinations. Leaks can damage sensitive electrical components, create rust that weakens structural integrity, and in gas-fired systems, indicate combustion problems producing dangerous gases.
A cracked heat exchanger is particularly serious because it allows combustion gases (including deadly carbon monoxide) to mix with air circulating through your home. This represents an immediate danger requiring complete system shutdown until professional heating repair is completed.
Rust and corrosion compromise your system’s structural integrity and often indicate your equipment is approaching end-of-life. While minor surface rust might appear cosmetic, it usually signals deeper problems with moisture management and ventilation-issues that accelerate equipment failure and create potential safety hazards in your home.
Should You Repair or Replace Your Heating System?
One of the most important decisions homeowners face when experiencing heating problems is whether to invest in heating repair or replace the entire system. This choice significantly impacts both immediate costs and long-term property value.
When Heating Repair Makes Sense
System age under 10 years: If your furnace, heat pump, or boiler is relatively young, repair almost always makes financial sense. Modern heating systems should operate reliably for 15-20 years with proper maintenance.
Minor component failures: Issues like failed thermostats, worn fan motors, or clogged filters are straightforward, cost-effective repairs that restore full functionality without major investment.
Single-issue problems: If diagnostic inspection reveals one specific problem rather than systemic failure across multiple components, targeted heating repair provides the best value.
Regular maintenance history: Well-maintained systems experiencing isolated failures typically respond well to repair, offering years of additional service life.
When Replacement Becomes the Better Investment
System age over 15 years: Heating equipment approaching or exceeding expected lifespan often requires increasingly frequent repairs. At this stage, replacement provides better long-term value.
Repair costs exceeding 50% of replacement cost: When heating repair costs approach half the price of replacement, or when a system could be replaced for roughly double the repair cost, replacement makes better financial sense-especially for aging equipment.
Frequent breakdowns: If you’re calling for heating repair multiple times per season, your system is telling you it’s reached end-of-life. Continued repairs become increasingly expensive with diminishing returns.
Declining efficiency: Older systems consume significantly more energy than modern high-efficiency equipment. If your energy bills have climbed dramatically, new equipment can pay for itself through energy savings over time.
Refrigerant or fuel type changes: If your heat pump uses outdated refrigerant or you’re considering fuel conversion, replacement often makes more sense than extensive system modifications.
Making the Decision
Experienced heating contractors like Ongaro & Sons provide transparent assessments, helping you understand both immediate repair costs and long-term equipment outlook. We’ll never recommend unnecessary replacement, but we’ll be honest when repair no longer serves your best interests.
For homeowners in Sausalito, Tiburon, and Ross with premium properties, protecting your investment means making informed decisions based on system age, repair history, and long-term value.
What Does Heating Repair Cost?
Understanding typical heating repair costs helps you budget appropriately and recognize fair pricing when selecting a heating contractor. Costs vary based on problem complexity, system type, and component accessibility.
When searching for “HVAC repair near me” or “heating repair near me” in Northern California, expect these general cost ranges:
Typical Heating Repair
Minor repairs: Simple fixes like thermostat replacement, filter housing repairs, ignitor replacement, or flame sensor cleaning fall into this range. These straightforward repairs typically take 1-2 hours and require minimal parts.
Moderate repairs: More involved heating repair including blower motor replacement, gas valve replacement, circuit board repairs, or pressure switch replacement fall into this mid-range category. These repairs require more labor time and specialized components.
Major repairs: Significant component failures like heat exchanger replacement, compressor replacement (heat pumps), or complete control system overhauls represent major investments. At these price points, replacement consideration becomes important, especially for older systems.
Factors Affecting Heating Repair Costs
System type and age: Furnace repair, heat pump repair, and boiler repair have different typical costs. Older systems often require more expensive, harder-to-source parts.
Service timing: Scheduling service during business hours (Monday-Friday 7:30 AM – 5:00 PM, Saturday 7:30 AM – 1:00 PM) ensures prompt attention. While our phone lines are available 24/7 for scheduling, service appointments occur during business hours.
Parts availability: Common components cost less than specialized or discontinued parts requiring special ordering.
Ways to Minimize Heating Repair Costs
Preventative maintenance: Our $79 Furnace Tune-Up special and comprehensive maintenance plans catch small issues before they become expensive repairs-the single most effective way to minimize lifetime heating costs.
Early intervention: Addressing warning signs immediately prevents minor issues from cascading into major failures requiring extensive repair or replacement.
Professional diagnosis: Attempting DIY repairs on complex HVAC systems often causes additional damage, ultimately increasing professional repair costs.
What to Do When You Notice These Heating Repair Warning Signs
Recognizing these warning signs is the first step. Taking appropriate action is what protects your investment and keeps your family safe.
Step 1: Document What You’re Experiencing
Note specific symptoms: What sounds are you hearing? Which rooms aren’t heating properly? When did you first notice the problem? This information helps technicians diagnose issues more quickly.
Step 2: Check Simple Fixes First
Before calling for professional heating repair, verify:
- Your thermostat has working batteries
- Your air filter isn’t completely clogged
- Your circuit breakers haven’t tripped
- Your outdoor heat pump unit isn’t blocked by debris or snow
Step 3: Don’t Delay Professional Inspection
For any of these seven warning signs-especially strange odors, yellow flames, or other safety concerns-schedule professional service promptly by calling 415-741-2820. What seems like a minor issue today can cascade into a major failure tomorrow. Delaying repairs often transforms a straightforward fix into an expensive replacement.
Step 4: Never Ignore Safety Warnings
If you experience symptoms of carbon monoxide poisoning (headaches, dizziness, nausea that improves when you leave home), notice a yellow flame, or smell gas, evacuate immediately and call 911. Your family’s safety always takes priority over heating system repair costs.
The Value of Preventative Maintenance
While recognizing warning signs protects you from emergency breakdowns, the best strategy is preventing problems before they start.
Professional preventative maintenance provides multiple benefits:
Enhanced Safety: Annual inspections catch dangerous conditions like cracked heat exchangers, gas leaks, and venting problems before they threaten your family.
Improved Efficiency: According to ENERGY STAR, professional maintenance can enhance equipment performance by 10-20%. That efficiency improvement translates directly to lower energy bills.
Extended Equipment Life: Regular maintenance reduces wear on critical components. A well-maintained heating system can last 15-20 years, while a neglected system might fail in less than 10 years.
Fewer Urgent Repairs: Problems caught early during maintenance visits cost far less to fix than urgent heating repair calls during a winter cold snap. Routine maintenance typically costs a fraction of what you’d pay for major repairs.
Warranty Protection: Many manufacturer warranties require annual professional maintenance. Skipping maintenance can void your warranty, leaving you fully responsible for expensive heating repair costs.
What Professional Maintenance Includes
A comprehensive heating system tune-up should include:
- Inspection and cleaning of all burners and heat exchangers
- Testing and calibration of thermostat operation
- Lubrication of all moving parts
- Inspection and tightening of electrical connections
- Measurement of airflow and system pressures
- Testing of all safety controls
- Cleaning or replacement of air filters
- Inspection of venting systems
- Comprehensive safety inspection
Ongaro & Sons offers a Furnace Tune-Up special-an affordable investment that protects your heating system and gives you peace of mind throughout the winter. Take advantage of this and other seasonal maintenance specials, or sign up for a comprehensive maintenance plan to keep your system running efficiently year-round.
Frequently Asked Questions About Heating Repair
Can I repair my heating system myself?
While homeowners can handle simple maintenance like filter changes, most heating repairs require professional HVAC technicians. Modern heating systems involve complex electrical systems, gas connections, and sophisticated controls. DIY attempts often create additional damage, void warranties, and pose serious safety risks-particularly with gas-burning equipment where improper work can cause carbon monoxide leaks. Professional service ensures safe, code-compliant repairs that restore proper operation.
How long does heating repair take?
Repair timing varies depending on the technician’s schedule, parts availability, and the complexity of your specific issue. Generally, simple repairs like thermostat replacement or sensor cleaning typically take 1-2 hours. Moderate repairs such as blower motor or ignitor replacement usually require 2-4 hours. Major repairs like heat exchanger replacement or complete control system overhauls can take 4-8 hours or require multiple visits if parts need ordering. Your HVAC technician will provide accurate time estimates after diagnostic inspection based on your specific situation.
When should I repair vs. replace my heating system?
Repair makes sense for systems under 10 years old with isolated component failures, especially when repair costs are under 50% of replacement cost. Consider replacement for systems over 15 years old, when facing frequent breakdowns, when repair costs exceed 50% of replacement cost, or when energy efficiency has declined significantly. Professional heating contractors provide honest assessments to help you make the most cost-effective decision.
How can I find a reliable heating contractor?
Look for heating contractors with proper licensing (California C-20 HVAC license), manufacturer certifications, strong local reputation, transparent pricing, and professional technicians. Verify credentials through online reviews, Better Business Bureau ratings, and referrals from neighbors. Ongaro & Sons has served Marin, Sonoma, and Napa counties since 1932, providing NATE-certified technicians, Diamond Elite Mitsubishi certification, and transparent flat-rate pricing-never hourly rates that incentivize slower work. Whether you need service in Larkspur, Healdsburg, or Sebastopol, we provide the same high-quality service throughout the North Bay region.
How often should I have my heating system serviced?
Gas furnaces and boilers should receive professional maintenance annually, ideally in fall before heating season begins. Heat pumps require twice-yearly service-spring and fall-since they provide both heating and cooling. Regular maintenance prevents 95% of heating system failures according to Department of Energy research and maintains warranty validity. Ongaro & Sons’ $79 Furnace Tune-Up special makes preventative maintenance affordable for homeowners throughout Marin, Sonoma, and Napa counties.
What’s included in a heating system tune-up?
Professional heating maintenance includes inspection and cleaning of burners and heat exchangers, thermostat testing and calibration, lubrication of moving parts, electrical connection inspection and tightening, airflow measurement, safety control testing, filter replacement, venting system inspection, and comprehensive safety evaluation. This thorough service identifies potential problems before they cause failures and keeps your system operating at peak efficiency.
Is heating repair covered by homeowners insurance?
Standard homeowners insurance typically doesn’t cover heating repairs resulting from normal wear and tear, lack of maintenance, or gradual deterioration. However, coverage may apply if heating system damage results from covered perils like fire, lightning, vandalism, or certain weather events. Review your specific policy or contact your insurance agent for clarification on your coverage.
Don’t Wait for a Complete Breakdown
Your heating system is your home’s primary defense against Northern California’s winter weather. While Marin, Sonoma, and Napa counties don’t experience harsh winters compared to some regions, even mild cold becomes unbearable when your heating fails.
The seven warning signs we’ve covered-strange noises, uneven heating, rising energy bills, frequent cycling, yellow flames or odors, thermostat problems, and visible leaks or corrosion-rarely indicate problems that fix themselves. Instead, they’re early alerts that give you the opportunity to address these issues promptly before they escalate.
Professional heating repair addresses problems while they’re still manageable, saving you money on both immediate repairs and long-term energy costs. More importantly, prompt attention to warning signs-especially safety concerns like yellow flames or strange odors-protects your family from dangerous conditions.
Schedule Your Heating System Inspection Today
Since 1932, Ongaro & Sons has provided trusted HVAC services throughout Marin, Sonoma, and Napa counties. Our NATE-certified HVAC technicians bring decades of combined experience to every service call, diagnosing problems accurately and providing transparent recommendations-never pushing unnecessary replacements.
Whether you’re in San Rafael, Petaluma, Santa Rosa, Napa, Mill Valley, or Novato, we’re your local heating repair experts. If you’ve noticed one of these warning signs or simply want the peace of mind that comes from professional preventative maintenance, we’re here to help. Don’t wait for a cold night to discover your heating system can’t keep up-and don’t risk your family’s safety by ignoring warning signs.
Call Ongaro & Sons today at 415-741-2820 to schedule your heating system inspection and ensure your family stays warm and safe all winter long. Our phone lines are available 24/7 for scheduling appointments-technician service visits occur Monday-Friday 7:30 AM – 5:00 PM and Saturday 7:30 AM – 1:00 PM. Our experienced HVAC technicians serve the entire North Bay region with prompt, professional heating repair service.