Plumbing, Heating & Air Conditioning in Contra Costa County, CA

A malfunctioning plumbing, heating, or air conditioning system can disrupt daily life, making essential tasks like showering, cooking, and maintaining indoor comfort difficult. Whether you're facing a broken furnace in winter, a failing AC during summer, or a plumbing leak threatening your home, Stewart Heating Plumbing Air Conditioning recognizes the urgency of these issues. With over 50 years of experience serving Contra Costa County, CA, we provide expert heating & air conditioning and plumbing solutions tailored to residential and commercial needs—call us today for reliable HVAC and plumbing services to keep your home or business running smoothly.

The Impact of a Well-Maintained HVAC & Plumbing System on Your Home

A properly maintained HVAC and plumbing system plays a crucial role in your home’s comfort, efficiency, and safety. Regular service and timely repairs prevent breakdowns, lower utility bills, and improve indoor air quality.

Benefits of Routine HVAC & Plumbing Maintenance:

• Extended System Lifespan: Routine maintenance prevents premature wear and tear, ensuring your HVAC and plumbing systems operate efficiently for years. Proper care reduces strain on components, minimizing breakdowns and extending the life of your equipment.
• Lower Energy Bills: A well-maintained system runs more efficiently, reducing energy waste and lowering monthly utility bills. Clean filters, calibrated furnaces, and optimized water heaters enhance performance, helping you save money while maintaining indoor comfort.
• Healthier Indoor Air Quality: Dust, mold, and allergens accumulate in neglected HVAC systems, compromising air quality. Regular maintenance removes contaminants, improves ventilation, and reduces health risks, creating a safer, cleaner indoor environment for your home or business.
• Fewer Emergency Repairs: Preventative servicing identifies potential issues before they become costly problems. Addressing minor concerns early reduces the risk of unexpected breakdowns, ensuring reliable system performance and preventing expensive last-minute repair calls.
• Consistent Home Comfort: Properly maintained HVAC and plumbing systems provide steady heating, cooling, and water flow. Whether it’s winter or summer, a well-functioning system delivers dependable year-round comfort, preventing temperature fluctuations and plumbing disruptions.

At Stewart Heating Plumbing Air Conditioning, we offer comprehensive maintenance plans designed to keep your systems running at peak performance. Schedule a maintenance check today and enjoy worry-free comfort all year long!

Heating, Cooling & Plumbing Solutions According to Your Needs

Every home and business has unique HVAC and plumbing requirements. That’s why we offer customized solutions to address specific heating, cooling, and plumbing challenges. Whether you need a high-efficiency air conditioner, a new water heater, or emergency plumbing repairs, our expert technicians are ready to help.

Our Full-Service HVAC & Plumbing Offerings:

Heating Services

• Furnace Installation, Repair & Maintenance: We install, repair, and maintain furnaces to ensure efficient heating, lower energy costs, and reliable performance. Our expert service keeps your home warm and comfortable during Contra Costa County’s colder months.
• Heat Pump Services & Ductless Heating Solutions: Our heat pump and ductless systems provide versatile, energy-efficient heating. Whether you need a new installation or repairs, we offer solutions that deliver consistent warmth and lower utility bills year-round.
• Boiler Repair & Replacement: We specialize in boiler diagnostics, repairs, and replacements to ensure optimal heating efficiency. Our team provides high-quality service to keep your home or business warm, safe, and energy-efficient.
• Energy-Efficient System Upgrades: Upgrading to an energy-efficient heating system reduces utility bills, enhances performance, and improves indoor comfort. We install high-efficiency furnaces, boilers, and heat pumps to optimize energy use and lower environmental impact.

Air Conditioning Services

• AC Installation, Repair & Maintenance: We offer professional AC repairs,  installation, and routine maintenance to ensure your system runs efficiently and reliably. Our services help extend lifespan, improve cooling performance, and reduce energy costs.
• Ductless Mini-Split Systems: Ductless mini-splits provide customized, energy-efficient cooling for homes without ductwork. Ideal for room-specific comfort, these systems offer quiet operation, lower energy consumption, and easy installation for year-round temperature control.
• Indoor Air Quality Improvements: We improve indoor air quality with air purifiers, humidifiers, and ventilation solutions. Removing allergens, pollutants, and excess humidity ensures healthier, cleaner air for your home or business.
• Thermostat Upgrades for Energy Savings: Upgrading to a smart or programmable thermostat optimizes temperature control, reduces energy waste, and enhances comfort. We install user-friendly thermostats that adapt to your schedule and lower heating and cooling costs.

Plumbing Services

• Water Heater Installation & Repairs: From tank and tankless water heater installations to repairs, we ensure consistent hot water, improved efficiency, and lower energy bills. Our team works on all models and provides expert maintenance.
• Drain Cleaning & Sewer Line Services: We offer professional drain cleaning and sewer line repairs to prevent clogs, backups, and costly damage. Using advanced technology, we ensure smooth-flowing pipes and reliable plumbing performance.
• Leak Detection & Pipe Repair: Our advanced leak detection services pinpoint hidden pipe leaks, preventing water damage and high utility costs. We provide fast, effective pipe repairs to restore system integrity and prevent future issues.
• Whole-Home Repiping & Water Filtration Solutions: We replace outdated pipes with durable, modern materials for better water pressure and efficiency. Our water filtration systems remove contaminants, ensuring safe, clean drinking water for your home.

With a commitment to quality workmanship and reliable service, we ensure that your HVAC and plumbing systems function flawlessly. Contact us today to discuss the best solutions for your home or business!

Experience Premium Comfort with Our Skilled Technicians

At Stewart Heating Plumbing Air Conditioning, we don’t just provide services—we build lasting relationships with our customers by delivering exceptional workmanship and superior service. With over 50 years of industry experience, our team of certified technicians has built a reputation for excellence in heating & air conditioning and plumbing in Contra Costa County, CA.

Why Choose Us?

• Factory-Trained Technicians: Our technicians undergo rigorous training to stay ahead of HVAC and plumbing advancements. This ensures they are equipped with the latest industry knowledge, enabling them to handle complex installations, repairs, and energy-efficient upgrades with precision. Our expertise guarantees long-lasting, high-performance solutions for your home or business.
• Upfront Pricing & 100% Satisfaction Guarantee: We believe in transparent, honest pricing, so you’ll never encounter hidden fees or unexpected costs. Our upfront estimates ensure you know exactly what to expect before any work begins. With a 100% satisfaction guarantee, we stand by our work—if you’re not happy, we’ll make it right at no extra charge.
• Green-Focused Company: As a leader in energy-efficient solutions, we prioritize eco-friendly HVAC and plumbing services to reduce energy waste and lower utility bills. From high-efficiency heating and cooling systems to water-saving plumbing installations, our sustainable approach helps homeowners minimize their carbon footprint while maximizing indoor comfort and long-term savings.
• Emergency Services Available: HVAC and plumbing emergencies can happen at any time, and we’re here when you need us most. Whether it’s a broken furnace, AC failure, or burst pipe, our responsive team arrives quickly to restore comfort and prevent further damage. Trust us for fast, reliable emergency service in Contra Costa County, CA.

Our goal is to deliver the highest level of service with integrity, professionalism, and unmatched expertise. When you choose us, you’re choosing a company that values your comfort and satisfaction.

Book Your Service Now for Year-Round Home Comfort!

Don’t let heating, cooling, or plumbing issues disrupt your daily life. Whether it’s routine maintenance, emergency repairs, or a full system replacement, Stewart Heating Plumbing Air Conditioning is your trusted partner for all heating, air conditioning and plumbing services in Contra Costa County, CA.

With our certified technicians, energy-efficient solutions, and commitment to excellence, we guarantee a seamless service experience from start to finish.

Call us today to schedule your service! Or request a free estimate online and discover why Contra Costa County homeowners and businesses trust us for their comfort needs.