When your furnace won’t turn on, every hour drags—especially in Boulder’s crisp winters. At Endurance HVAC, we make warmth simple with same-day furnace repair and a service experience that feels personal, not transactional, backed by full-service heating service when you want proactive care.
Here, you get the best of both worlds: neighborly service backed by the know-how of a full HVAC and water company. From ignition faults to airflow issues, we fix today’s problem and help prevent the next with practical maintenance tips.
Schedule same-day furnace repair
Need urgent furnace repair today? Book in a few clicks or call 24/7. We provide clear arrival windows, send updates as your technician heads over, and arrive stocked with parts and tools to solve most issues on the first visit.
We respect your time. Count on tidy work, straight answers, and a walk-through of your options—repair first, replacement only when it’s truly the smarter, long-term call.
Common furnace problems we fix
Strange noises, weak heat, mystery shutdowns—our pros see these furnace failure symptoms every day. We follow a professional troubleshooting checklist to isolate the fault quickly and safely, then quote upfront so you know the plan before we get to work.
We service all major brands of gas and electric furnaces in both residential and light-commercial spaces. If your system’s been neglected, we can pair the repair with a quick tune-up to boost efficiency and indoor air quality.
No heat & poor airflow
If your furnace is blowing cold air, we verify flame ignition, heat exchanger temperature, and airflow through the filter, ducts, and blower. A fix might be as simple as a clogged filter—or as involved as a gas valve or flame sensor issue.
For weak airflow from furnace vents, we check the blower motor, capacitor, and static pressure to protect the heat exchanger from overheating. Whatever we find, you’ll get a clear explanation and a written estimate before we proceed.
Strange noises & burning smells
A furnace making loud banging sound often points to delayed ignition, expanding ductwork, or a loosening blower assembly. Our techs pinpoint the cause and correct it before it turns serious.
If there’s a smell from the furnace, burning dust after a long off-season is common—we confirm it’s safe, clean affected areas, and rule out electrical issues or overheating components.
Ignition, pilot & ignitor issues
Frequent restarts or a pilot light that keeps going out point to ignition health. We test and adjust the pilot assembly, examine the hot surface ignitor, and clean or replace a dirty flame sensor.
When needed, we perform precise hot surface ignitor replacement, calibrate gas pressure, and verify safe ignition to stop nuisance shutdowns and restore reliable heat.
Blower motor & short cycling
A furnace that turns on and off repeatedly wastes energy and stresses components. We check the limit switch, pressure switch, thermostat logic, and ventilation to stabilize operation.
If the blower motor is not spinning, we evaluate motor windings, the capacitor, and control board commands to cut noise and restore your system’s efficiency sweet spot.
Gas & electric furnace repair
From safe gas furnace repair with proper combustion analysis and CO checks to solving why an electric furnace is not heating elements, our certified technicians follow industry-best safety practices. We verify venting, flame quality, and heat rise on gas units, and test sequencers, elements, and relays on electric systems.
Because we also handle humidification and indoor air quality, we can address the dry-air issues that tag along with winter heating in Boulder. Comfortable air isn’t just warm—it’s balanced.
Transparent pricing & repair warranty
No surprises. You’ll receive an upfront furnace repair estimate with clear line items, so you know exactly what you’re paying for. We back our work with a repair guarantee on qualifying parts and labor, and we note your warranty details on every proposal.
Need a bigger repair? Ask about flexible financing to spread the cost sensibly. We keep repairs affordable and practical, and we’ll always tell you when a low-cost fix can extend the life of your current system.
FAQ
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Do you repair gas and electric furnaces?
Yes. Our technicians service both gas and electric furnaces, including ignition systems, pilot assemblies, ignitors, blower motors, thermostats, and control boards. Expect a comprehensive diagnosis and a plan to fix common furnace failures the right way.
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Is there a warranty on repairs?
Yes. We offer a straightforward parts and labor warranty on qualifying repairs. Your estimate spells out what’s covered and for how long, so you have complete peace of mind before any work begins.
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How fast can you arrive for an emergency?
We offer same-day service in Boulder with emergency scheduling 24/7. Our dispatcher provides an arrival window and status updates so you know exactly when to expect us.
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What should I do if my furnace isn’t turning on?
Check thermostat mode and setpoint, confirm the breaker, and replace a dirty filter if needed. If it still won’t start—or starts but blows cold—book a visit so we can identify the fault safely.
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Can maintenance really prevent breakdowns?
Absolutely. Our tiered maintenance plans (Silver, Gold, Platinum) include seasonal inspections, filter changes, cleaning, and combustion analysis to reduce failures and improve efficiency.
Why Boulder homeowners choose us
why Boulder homeowners choose us
Family-owned, community-driven. At Endurance HVAC, we treat every team member and customer like family. You’ll see it in how we communicate, protect your home during service, and follow up after the job.
Technical excellence, personal touch. Our techs blend hands-on experience with the rigor of a company that also manages water treatment, water heaters, and humidification. That breadth helps us see the whole comfort picture—not just one part.
Maintenance that prevents breakdowns. Choose our Silver, Gold, or Platinum maintenance plans for seasonal inspections, filter changes, combustion analysis, and deep cleanings that keep your system running smoothly all year.
Here when you need us. With 24/7 emergency service, same-day availability, and courteous arrival windows, we make it easy to get warm—and stay that way.
Stay warm and worry-free this winter with Endurance
Ready to restore comfort? Request an instant online furnace repair quote or book furnace service without calling—whatever’s easier. Tell us what’s happening (no heat, noise, smell, short cycling), choose your preferred time, and we’ll take it from there with a clear estimate and courteous service.
Endurance HVAC—serving Boulder with endurance, compassion, and excellence. When you need reliable heat, we’re the team that shows up, fixes it right, and treats you like family.
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