Stewart Heating, Plumbing and Air Conditioning

09/11/2026

Not every HVAC job happens in plain sight.

This week our technician was working on a large underground component, surrounded by freshly excavated soil, making sure everything was set and sealed the right way. Jobs like this take patience and know-how, because what happens below the surface affects how your whole system performs above it. It's the kind of careful work we've been doing for local homeowners since 1974.

✔ Furnace repair and heater repair before the cooler nights settle in
✔ Heat pump repair to keep your system efficient year round
✔ Plumbing and water heater service handled with the same attention to detail
✔ Emergency HVAC repair when you need help fast

Homeowners in Concord and Walnut Creek know that early fall is a smart time to catch hidden issues before they turn into bigger problems once temperatures drop.

If your system needs attention or you suspect something's off, contact Stewart Heating, Plumbing and Air Conditioning to schedule your service today.

09/11/2026

As we transition from warm afternoons to chilly nights, don’t wait for the first frost to ensure your heating system is ready! 🥶 A pre-season tune-up can prevent breakdowns and keep your home cozy all winter long. Check out our latest blog to learn why early maintenance is a must! 🌬️

When your heating system sits dormant all summer, dust and oxidation create hidden risks. Learn how a proactive September check prevents a sudden no-heat emergency when fall temperatures drop.

09/10/2026

Tired of temperature swings in your home? Upgrade to a modulating furnace for consistent comfort throughout every room! Discover how this advanced technology can eliminate cold spots and keep your indoor climate perfectly balanced. Read the full article to learn more! ❄️🏠

Older single-stage furnaces create a frustrating yo-yo effect of hot and cold blasts. A modulating furnace acts like a dimmer switch, making tiny adjustments to eliminate cold spots completely.

09/09/2026

Is your heater giving off a burning dust smell when you first turn it on? 🏠 Don’t panic! This is often just a normal reaction from dust accumulating during the summer months. However, knowing when to be concerned is vital for safety. Discover more about the causes and how to ensure a safe heating season in our latest blog post! 🔍❄️

That alarming odor during your first fall heating cycle is usually just harmless dust burning off the heat exchanger. Find out how to tell normal burn-off from a true HVAC emergency.

09/08/2026

Big jobs don't scare us.

Our crew just wrapped up setting a large tank into place at a property in Lafayette, and it's a great reminder that some projects take real planning and teamwork. Careful placement like this protects your equipment and keeps everything running the way it should for years to come.

That same care goes into every job we handle:

• Furnace installation and heat pump repair done right the first time
• Water heater service and plumbing for the rest of your home
• Emergency HVAC repair when something goes wrong without warning

Homeowners in Walnut Creek and Concord know fall is the perfect time to tackle bigger projects before the cold weather arrives and schedules get tight.

Planning an upgrade or dealing with a system that needs attention? Contact Stewart Heating, Plumbing and Air Conditioning to schedule your visit today.

09/08/2026

Is your furnace ready to keep you warm this season? ❄️ Understanding the sequence of operation in a modern gas furnace can help you troubleshoot issues and prevent unexpected lockouts. Stay cozy and informed—check out our latest blog post for insights! 🔧

When a heating system abruptly shuts down during its first fall test, a strict mechanical checklist is usually to blame. This breakdown reveals the exact ignition steps that cause safety lockouts.

09/07/2026

Is your home feeling stuffy as fall rolls in? 🍂 Discover why relying on Pittsburg's coastal breeze isn't enough for healthy indoor air! Check out our latest blog for tips on proper ventilation and maintaining a fresh space this season. 👉

That refreshing evening delta breeze might feel great, but locking your windows at night traps summer allergens inside. Explore the hidden impact this September shift has on your indoor air quality.

09/06/2026

Honesty matters when something in your home isn’t working right, so Jamie’s review really means a lot to our team: “Jamie was great and honest. Highly recommend!” That’s exactly how we want every visit to feel, whether you need hvac repair for a system that won’t start, ac repair when the house won’t cool down, or heater repair when nights start getting chilly again. We also take the same straightforward approach when a job calls for furnace repair or a bigger ac installation, so you understand your options and what makes sense for your home. Homeowners in Lafayette, Walnut Creek, and Concord count on us for clear answers and quality work that lasts. If you need help now or want to plan ahead, contact Stewart Heating, Plumbing and Air Conditioning to schedule service today.

09/04/2026

Choosing the right heating system for your home can make all the difference this winter! 🌡️ Whether you're considering a gas furnace for rapid warmth or an electric heat pump for efficient comfort, understanding your local climate is key. Don't wait until the cold sets in—check out our latest blog for insights and schedule your HVAC estimate today! ❄️

As fall approaches, deciding between a traditional gas furnace and a modern electric heat pump is critical. Explore which heating technology offers the best efficiency for your home.

09/03/2026

Sometimes a great installation starts outside, not inside.

Our crew is on a job in Lafayette this week cutting and prepping a driveway for new equipment as part of an HVAC installation. The concrete work might not look glamorous, but careful prep like this is what makes the finished system run right and last for years. It's the same attention to detail we bring to every furnace installation and AC installation we take on.

✔ AC repair to keep you cool through these early fall heat spells
✔ Furnace repair and heat pump repair before the season changes
✔ Emergency HVAC repair when your system quits at the worst time

Homeowners across Walnut Creek and Concord know the value of a job done carefully from the ground up, and that's exactly how we approach every project.

Have a system that needs repair or a replacement you've been putting off? Contact Stewart Heating, Plumbing and Air Conditioning to set up your appointment.