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Is your furnace acting up? Perhaps you’ve noticed cold spots or rooms that are colder than others or maybe the unit turns on and off frequently. Nothing is more frustrating than having your furnace break down in the middle of winter. It’s best to schedule furnace repair in a timely manner to prevent further problems down the line and keep the system running properly when you need it the most.

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Bobby Hett

We had a main line drain clog under the house. Russell was our technician and approached the problem from outside the house, working retrograde from a trap in the front yard. I was skeptical but it worked when my efforts with a cable inside the house had failed. He was very professional and pleasant to deal with.  We asked him to install a cleanout closer to the house for future use and we were very satisfied with the work.

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Lori Mand

Tyler is the best! He came to our parent's house, knew exactly what the problem was, and explained it to us without the typical guesswork. I'd recommend him any time you need a good plumber.

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Narendran Dhanaram

Overall, It was a very good experience with the Service Hero team. I was able to schedule an appointment late in the night. They are truly 24x7. The help desk team was very professional, courteous, and friendly. All responses were timely. The field technician showed up on time and diagnosed the issue accurately. Kudos to the Service Hero team!

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At Service Hero, we pride ourselves on offering professional heating repair services in homes and commercial properties. Our qualified and experienced technicians have the skills and experience to troubleshoot and repair all types of furnaces. In today’s blog post, we’ll share furnace tips every homeowner should know.

Know the Warning Signs

Strange noises such as banging, rattling, or squealing point to loose components, worn belts, or motor issues. Uneven heating, rising energy bills, frequent cycling, or weak airflow may also indicate underlying problems. It’s a good idea to have a local HVAC company address these signs early enough to prevent complete system failure.

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Check and Replace Air Filters Regularly

One of the simplest yet most overlooked furnace maintenance tasks is replacing the air filter. Dirty or clogged filters restrict airflow, forcing your furnace to work harder and overheat. Most filters should be changed every 1–3 months, depending on usage and household conditions like pets or allergies. If you’re not sure when to replace your filters, consult with a nearby HVAC service.

Inspect the Thermostat

Sometimes the furnace isn’t the issue at all—the thermostat is. Dead batteries, incorrect settings, or calibration issues can prevent your furnace from turning on or maintaining consistent temperatures. Ensure it’s set to “heat,” programmed correctly, and positioned away from drafts or direct sunlight.

Keep Vents and Registers Clear

Blocked or closed vents reduce airflow and strain your furnace. Make sure furniture, rugs, and curtains aren’t obstructing registers. Proper airflow not only improves comfort but also extends the life of your heating system.

Listen for Ignition and Pilot Light Problems

Modern furnaces use electronic ignition systems, while older models rely on pilot lights. If your furnace struggles to ignite or the pilot light goes out frequently, it may point to a dirty sensor, faulty igniter, or gas supply issue. These components are delicate and usually best handled by a trusted heating service.

Pay Attention to Safety Issues

If you smell gas, notice a burning odor, or see visible cracks around the furnace, shut the system off immediately and call a professional furnace repair company. Carbon monoxide leaks and heat exchanger damage are serious hazards that should never be handled as DIY repairs.

Schedule Annual Professional Maintenance

Even if your furnace seems to be working fine, annual inspections are necessary. A professional heating repair technician can clean internal components, test safety controls, identify worn parts, and ensure optimal efficiency. Preventative maintenance often costs far less than emergency repairs.

Avoid DIY Repairs Beyond Basics

While changing filters and checking settings are safe DIY tasks, complex repairs involving gas lines, electrical wiring, or internal components should always be left to trained heating repair technicians. Attempting advanced repairs without proper knowledge can worsen the damage or create safety risks.

Know When Repair Isn’t Enough

If your furnace is over 15–20 years old and requires frequent repairs, replacement may be more cost-effective. Newer systems offer improved energy efficiency, lower heating bills, and greater reliability. Know when to call a local HVAC company for furnace replacement.

Reach Out to Service Pro for Heating Repair Services

Looking for a trusted HVAC company to repair your furnace? Get in touch with the team at Service Hero. Our experienced technicians have the knowledge to identify the root cause of the problem and make effective repairs. Whether it is replacing faulty thermostats, cleaning clogged filters, or repairing malfunctioning components, we’ve got you covered. We’ve repaired all furnace brands, including Trane, Carrier, Lennox, Amana, Bryant, and many more. Contact us now to schedule an appointment with our pros.

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