Sun: 8AM - 4PM • Mon - Thu: 8AM - 6PM • Fri - 8AM - 5PM • Sat: Closed
A comfortable, efficient indoor environment begins with a well-designed HVAC system. At Golden State Builders Group, we specialize in complete heating, ventilation, and air-conditioning (HVAC) services from system design and installation to repair, optimization, and preventive maintenance. Whether for residential or commercial properties, our experts ensure consistent comfort, improved indoor air quality, and long-term energy efficiency. Learn more about our craftsmanship on our About page.
Our team provides fully integrated HVAC solutions engineered for your specific property. We combine modern technology with sustainable building practices to reduce energy consumption and enhance comfort. Visit our Interior Contracting Services page to see how HVAC fits into our design process.
Our Full HVAC Services Include:
According to the U.S. Department of Energy, heating and cooling account for nearly 48% of energy use in the average American home. Proper maintenance and system design can significantly lower this figure. Learn more energy tips at Energy Star.
Clients trust GSBG for its balance of craftsmanship, technical precision, and transparency. As a full-service contractor, we coordinate every aspect of your project from system design and permits to installation and warranty coverage.
Why Choose Us:
At Golden State Builders Group, we understand that HVAC systems play a major role in building performance. Our engineers design systems tailored to the size, usage, and layout of your property, ensuring efficiency and sustainability.
Design Capabilities Include:
According to the California Energy Commission, upgrading to ENERGY STAR-certified HVAC units can reduce annual utility bills by 20% to 30%. GSBG helps clients meet and exceed these efficiency benchmarks through cutting-edge design and installation.
Your home should be a haven of comfort, no matter the season. We provide energy-efficient HVAC solutions designed to deliver quiet performance, lower energy costs, and consistent indoor climate control. Learn how we handle projects step-by-step on our Process page.
Homeowner HVAC Services Include:
For design synergy, explore our Architecture Plans and Bathroom Remodel services.
Commercial environments demand reliable climate control systems that balance efficiency with durability. Our mechanical engineering team specializes in large-scale system design for offices, retail centers, and industrial properties.
Commercial HVAC Solutions Include:
A study by the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) found that commercial HVAC optimization can lower energy use by up to 35% annually. For case studies, visit our Portfolio.
Crafting Dreams, Building Futures: With over 20 years of expertise, design & build company Golden State Builders Croup stands as your trusted partner in residential and commercial construction. Based in the heart of Walnut Creek, California, we transform visions into reality.
Clean air isn’t a luxury, it’s a necessity. Poor indoor air quality can cause headaches, allergies, and fatigue. Our IAQ specialists enhance comfort and safety with advanced air treatment systems.
IAQ Enhancements Include:
The EPA reports that indoor air can be 2 to 5 times more polluted than outdoor air. GSBG’s air quality systems are designed to correct this imbalance.
From chilly winters to warm summers, we provide reliable systems for all climates. Visit our Exterior Contracting Services to learn how HVAC complements other home upgrades.
Heating Solutions:
Cooling Solutions:
Each service is backed by licensed HVAC professionals and ENERGY STAR-certified systems for energy efficiency.
A proactive maintenance plan is essential to ensure your HVAC system operates efficiently throughout its lifespan. Explore our Schedule an Inspection page to plan ahead.
Our Maintenance Services Cover:
The Building Performance Institute reports that routine maintenance can extend HVAC lifespan by 30–50% and lower repair costs by up to 40%.
Golden State Builders Group integrates environmentally responsible HVAC systems into every project. Our designs comply with California Title 24 standards and support LEED-certified construction goals.
Sustainable Strategies Include:
Learn more about our sustainable approach under Planning & Compliance and our Financing options for upgrades.
Solution Type | Description | Ideal For | Energy Efficiency | Average Lifespan |
Central Air Conditioning | Provides consistent cooling through ducts with central control. | Whole-home systems | High (with ENERGY STAR units) | 15–20 years |
Heat Pumps | Dual-function systems for heating and cooling, reducing overall energy use. | Residential & commercial buildings | Very High (up to 300% efficiency) | 15 years |
Ductless Mini-Split | Zoned cooling/heating without ducts; customizable per room. | Small homes, remodels | High | 12–15 years |
VRF/VRV Systems | Variable refrigerant systems that adjust based on building load. | Large commercial spaces | Very High | 20 years |
Radiant Floor Heating | Uses hot water or electric coils under floors for even heating. | Luxury residential or commercial | Medium-High | 25–35 years |
Energy Recovery Ventilators (ERVs) | Captures and reuses indoor heat or humidity to reduce energy loss. | Sustainable or green buildings | High | 15–20 years |
Experience the comfort and efficiency that only professional HVAC design and installation can provide. Contact Golden State Builders Group today to learn how we can enhance your property’s air quality and energy performance.
We recommend professional maintenance twice a year—once before summer and once before winter to ensure efficiency and prevent costly repairs.
Yes, we provide comprehensive HVAC design, installation, and repair for homes, offices, and large commercial facilities.
We install and maintain systems from trusted brands like Trane, Carrier, Lennox, and Mitsubishi Electric for performance and reliability.
Absolutely. Energy-efficient systems can cut heating and cooling costs by up to 25% annually, depending on your existing setup.
Yes, all installations include manufacturer warranties and workmanship guarantees. Visit our Warranty page for details.
You can easily Request an Estimate or Contact Us online. Our team responds promptly to all inquiries.
Active Projects
Completed Projects
Reviews
Siding Installations
Deck Installations
Gain essential insights on collaborating with architects for your Walnut Creek home project and discover how they can transform your vision into reality.
Gain essential insights on collaborating with architects for your Walnut Creek home project and discover how they can transform your vision into reality.
Gain essential insights on collaborating with architects for your Walnut Creek home project and discover how they can transform your vision into reality.
Gain essential insights on collaborating with architects for your Walnut Creek home project and discover how they can transform your vision into reality.
Gain essential insights on collaborating with architects for your Walnut Creek home project and discover how they can transform your vision into reality.
Gain essential insights on collaborating with architects for your Walnut Creek home project and discover how they can transform your vision into reality.
Ready to transform your property? Contact Golden State Builders Group for a free consultation. Explore our portfolio, learn about financing options, or schedule your inspection today.
1280 Boulevard Way Ste 305, Walnut Creek, CA 94595
Phone: (925) 323-5130
439 Grand Ave Ste 206, South San Francisco, CA 94080
Phone: (415) 818-7964
Email: info@gsbuildersgroup.com
Business Hours
Sunday: 8AM – 4PM
Monday – Thursday: 8AM – 6PM
Friday: 8AM – 5PM
Saturday: Closed
