rating iconrating iconrating icon

Maintenance Tips for Your Gas Furnace

January 14, 2026
Gas Furnace Maintenance Tips

There’s nothing worse than a broken-down furnace, especially in the dead of winter. If you have a gas furnace, there’s a variety of things you can do to keep it in good working order so you can keep yourself and your family safe and warm no matter how cold it gets outside.

Whether or not your gas furnace needs immediate attention, you’ll want to keep an eye on your thermostat. Your thermostat is a good indicator for the efficacy of your gas furnace. If you’re setting it to a reasonable level and you’re feeling too warm or too cold, chances are there’s something wrong with your furnace. It’s probably time to investigate before you’ve got a real problem on your hands.

If you do need to clean, maintain, or repair your furnace, remember to turn off all power systems and circuits before you begin. Switches will usually be found near the furnace itself. If you’re careful and thorough, furnace maintenance can be safe and easy, but if you ever smell a gas leak, leave your home and call your gas company or the fire department immediately.

Where Do I Start With My Furnace Maintenance?

As you get started, you’ll find that regular cleaning is a big part of keeping your furnace maintained and in good working order. Most appliances don’t work well when they’re dirty, and your furnace is no exception. Before you begin, again, remember to turn off all power systems and circuits.  Start with the filter. Your filter keeps the inner workings of the furnace clean, so make sure it’s clean and is replaced if it’s clogged. Regularly spending a little money on a new filter can prevent major problems and major expenses down the road.

Once you’re sure you have a clean filter, check the furnace’s blower. This connects to the filter and is the next place where dust and dirt might get trapped and cause a problem. You can clean the blower with a damp cloth.  Be extra careful while removing panels to access the blower, pulleys, and belts.

Since the furnace system is complex and runs through your entire home, don’t forget to check over the whole thing. You may need to vacuum the furnace vents and ducts, which can also collect dirt and dust. If these become clogged, your furnace won’t work properly, and can even become dangerous. Keeping them clean can prevent a whole host of problems. Vacuum to remove debris and keep air flowing safely.

Finally, remember that your furnace is an investment and a key part of your home, especially if you live in a cooler climate. Take proper care of your furnace, and you’ll be able to keep it in good working order for years to come. This might mean hiring a professional HVAC contractor, who can inspect and clean it professionally and save you time and money in the long run. An HVAC technician can also check for corrosion, lubricate any moving parts, and identify any more serious problems.

Feel free to call us or contact us online if you have any questions or would like a quote, and we will be happy to assist you.  Whether you do it yourself or hire a professional, proper furnace maintenance will give you peace of mind, something you definitely want to have during the coldest months of the year! To learn more about services our company offers, please visit our homepage.

Customer Reviews & Testimonials

Shape- Social Media IconShape BG CTA

New In Our Blog

Piggy Bank with cash falling out near AC

Why Load Calculations Are Essential for Heat Pump Installation in Los Angeles

Discover how Manual J load calculations ensure accurate heat pump sizing, better comfort, lower energy bills, and compliance with Los Angeles rebate and Title 24 requirements.

Piggy Bank with cash falling out near AC

Heat Pump Rebates in Los Angeles (2026): Complete Guide to HEEHRA, LADWP, Burbank, Glendale, Federal Tax Credits & More

See all heat pump rebates available in Los Angeles, including HEEHRA, LADWP, Burbank, Glendale, GoZero, SCE incentives, and the $2,000 federal tax credit

Piggy Bank with cash falling out near AC

Heat Pump Installation & Electrification in Los Angeles: Complete Cost, Rebate & Contractor Guide

Heat pumps are rapidly becoming the preferred HVAC solution for Los Angeles homeowners looking to reduce energy bills, improve comfort, and qualify for major California rebates. This hub is your complete, authoritative guide to everything you need to understand before replacing your AC or furnace with a modern heat pump — including costs, rebates, system sizing, and how to choose the right contractor.

Piggy Bank with cash falling out near AC

Heat Pump Installation in Los Angeles: How to Choose the Right Contractor

This guide explains how heat pump installation works in Los Angeles and what homeowners should look for when choosing a contractor. It covers installation requirements, common mistakes, certification and permit considerations, pricing factors, and how to avoid issues that affect comfort, rebates, and long-term performance—so you can make an informed decision before installing a heat pump.

Piggy Bank with cash falling out near AC

Why TECH-Certified Contractors Are Required for Heat Pump Rebates in California

If you’re considering a heat pump in California, this post explains one critical requirement most HVAC companies leave out: TECH certification. You’ll learn why the state requires TECH-certified contractors for rebates, how certification affects install quality and system performance, and what can go wrong if you choose the wrong installer. It also shows how TECH compliance protects you from denied rebates, poor airflow, and systems that can’t keep up with LA heat—so you can make a confident, informed decision before you install.

Piggy Bank with cash falling out near AC

The HVAC “$5,000 Rule” — A Simple Way to Know When to Repair or Replace Your AC

Learn how the HVAC $5,000 Rule helps you decide whether AC repair or replacement makes financial sense. Simple formula, expert guidance for LA homeowners.

We Install and Service All Major Makes and Models

{ "@context": "https://schema.org", "@type": "Organization", "name": "LA Construction Heating and Air", "url": "https://www.laheatingairconditioning.com" }