6 Essential Tips for Furnace Repair Service
Editor’s Note: This furnace repair guide was originally published in 2023 and has been updated for 2026 with additional resources. Sinclair Air Systems has been the trusted furnace repair provider in Covina and the San Gabriel Valley since 1980.
When the cold winter months arrive, having a properly functioning furnace is essential for keeping your home warm and comfortable. However, like any other appliance, furnaces can experience issues and breakdowns over time. While some furnace repairs may require professional assistance, there are several tips and tricks to fix common furnace problems. Make sure you don’t need a furnace repair system before it gets too cold!
In this blog post, we will share six important tips for fixing your furnace. These tips will help you save time and money, and make sure your furnace works well during winter.
When DIY Isn’t Enough — Call the Experts
These tips can help you troubleshoot minor furnace issues, but when you need professional help, Sinclair Air Systems has over 46 years of furnace repair experience. We repair all major brands and offer same-day emergency service.
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Section 1: Checking the Thermostat
Subsection 1.1: Adjusting the Temperature
- Ensure the thermostat is set to the desired temperature
- Increase or decrease the temperature to see if the furnace kicks on
Subsection 1.2: Replacing the Batteries
- Check if the thermostat requires batteries
- Replace the batteries if they are low or dead
Section 2: Checking the Air Filters
Subsection 2.1: Locating the Air Filters
- Find the air filter compartment in your furnace
- Remove the cover to access the air filters
Subsection 2.2: Inspecting and Cleaning the Air Filters
- Inspect the air filters for dirt, dust, and debris
- Clean or replace the air filters if they are dirty or clogged
Section 3: Checking the Circuit Breaker
Subsection 3.1: Locating the Furnace Circuit Breaker
- Find the circuit breaker panel in your home
- Look for the circuit breaker labeled for the furnace
- If the circuit breaker is tripped, switch it off and then back on
- Check if the furnace starts working after resetting the circuit breaker
Section 4: Checking the Pilot Light
Subsection 4.1: Locating the Pilot Light
- Find the pilot light assembly in your furnace
- Remove the access panel to access the pilot light
Subsection 4.2: Inspecting and Relighting the Pilot Light
- Check if the pilot light is lit or extinguished
- Follow the manufacturer’s instructions to relight the pilot light if necessary
Section 5: Checking the Gas Supply
Subsection 5.1: Checking the Gas Valve
- Locate the gas valve near the furnace
- Ensure the gas valve is turned on and supplying gas to the furnace
Subsection 5.2: Checking for Gas Leaks
- Use a gas leak detector or soapy water to check for gas leaks
- If a gas leak is detected, turn off the gas supply and contact a professional
Section 6: Calling a Professional
Subsection 6.1: Knowing When to Call a Professional
- If the furnace issues persist after troubleshooting
- If you are uncomfortable performing furnace repairs yourself
Subsection 6.2: Hiring a Qualified Furnace Repair Service
- Research and choose a reputable furnace service
- Schedule an appointment for a professional inspection and repair
By following these six essential tips for furnace repair service, homeowners can troubleshoot and fix common furnace problems. Ensuring their homes stay warm and comfortable during the winter months. Remember to always prioritize safety and contact a professional if you are unsure or uncomfortable performing any repairs yourself. Regular maintenance and timely repairs can prolong the lifespan of your furnace and save you from costly replacements.
Take the Next Step for a more comfortable, Happier Home
Want lower bills and a home that actually stays cool? Then, it’s time to give your condenser coils the TLC they deserve. Get in touch with a certified HVAC technician today for a thorough inspection and cleaning. Your comfort—and your wallet—will thank you.
