Furnace and Heating Services
Stay Warm & Comfortable with Trusted Furnace and Heating Services
When the cold sets in, you need a heating system you can rely on. We provide professional Furnace and Heating Services designed to keep your home or business comfortable, efficient, and safe all season long.
Limited Time Offer
Save on your next heating service. Check out our current promotions!
Our Heating Services
From expert furnace installation to fast repairs and preventive maintenance, our licensed HVAC technicians are here to deliver dependable heating solutions tailored to your needs and budget.
Furnace Installation & Replacement
Upgrade to a high-efficiency furnace that provides reliable warmth while lowering your energy bills. We install trusted brands and ensure your system is sized and set up correctly for long-term performance.
Heating System Repairs
Strange noises, weak airflow, or no heat at all? Our skilled technicians quickly diagnose the problem and provide lasting furnace and heating repairs to restore comfort fast.
Preventive Maintenance
Routine maintenance helps extend the life of your system, reduce energy costs, and prevent unexpected breakdowns. Schedule your annual tune-up to keep your furnace running at peak performance.
Wall Heater Installation & Replacement
Get a brand-new wall heater professionally installed for efficient, reliable heating. We’ll help you choose the right unit for your space and handle the installation from start to finish.
Emergency Heating Services
We know heating problems don’t always happen during business hours. That’s why we offer 24/7 emergency heating services to keep your home safe and warm when you need it most.
Why Choose Marathon for Wall Heater Services?
Choosing the right provider makes all the difference. With Marathon, you get expert care from licensed HVAC professionals dedicated to keeping your home comfortable and safe.
Licensed & Insured
Experienced HVAC professionals you can trust
Transparent Pricing
Clear quotes with no hidden fees
Emergency Service
Emergency repair services available
Quality Workmanship
Commitment to quality workmanship and customer satisfaction
Trusted Locally
Serving Los Angeles, Riverside & Orange County
Signs You Need Furnace or Heating Service
Unusual Noises or Odors
Clanging, rattling, or musty smells can signal worn components, dirt buildup, or airflow issues.
Uneven Heating
Cold spots or inconsistent warmth throughout your home could indicate airflow blockages or calibration issues.
Rising Utility Bills
If your energy costs are climbing, your furnace may be losing efficiency due to buildup or worn components.
Frequent Repairs or Breakdowns
If you’re calling for service more than usual, your system may be nearing the end of its lifespan or dealing with unresolved underlying issues.
Aging Furnace (12–15+ Years Old)
Older systems lose efficiency over time and are more prone to breakdowns, making preventative service or replacement worth considering.
Serving Los Angeles, Riverside & Orange County
At Marathon Plumbing, Heating & Air, we’re proud to provide reliable furnace maintenance plans for homeowners and businesses throughout Los Angeles, Riverside, and Orange County. Our reputation is built on transparent pricing, expert service, and a commitment to keeping our customers comfortable year after year.
Los Angeles County
Riverside County
Orange County
San Bernardino
Pasadena
Long Beach
Schedule Wall Heater Services Today
From installation and repairs to ongoing maintenance, Marathon Plumbing, Heating, and Air is your trusted partner for wall heater services.