Custom Heating & Cooling System Design for Homes & Businesses
A properly designed HVAC system is key to achieving optimal comfort, energy efficiency, and long-term performance. At Schmitt Heating & Air Conditioning, we provide expert HVAC design services in San Francisco, Marin, San Mateo, and Alameda Counties, creating custom heating and cooling solutions tailored to your property’s unique needs.
Whether you’re constructing a new building, upgrading an outdated HVAC system, or designing a complex commercial solution, our experienced engineers and certified technicians ensure that your system is built for maximum efficiency, airflow, and reliability.

Our HVAC Design Services
We specialize in custom heating, ventilation, and air conditioning (HVAC) system designs for residential and commercial properties. Our services include:
Residential HVAC Design
Custom Heating & Cooling Solutions – Properly sized furnaces, heat pumps, and air conditioners for energy efficiency.
Ductwork Design & Layout – Optimized airflow distribution for even heating and cooling.
Zoned HVAC Systems – Multi-zone climate control for enhanced comfort and cost savings.
High-Efficiency System Recommendations – Smart HVAC design for lower energy bills.
Commercial HVAC Design
System Load Calculations – Ensuring proper HVAC sizing to avoid inefficiencies and high energy costs.
Ventilation & Air Filtration Planning – Meeting indoor air quality (IAQ) standards for businesses.
Custom Ductwork Design & Installation – Efficient air distribution for offices, restaurants, and industrial facilities.
Building Automation & Smart HVAC Controls – Integration of energy-efficient automation systems.
Ductwork & Airflow Optimization
Duct Layout & Sizing – Designing ducts to improve airflow and system efficiency.
Duct Sealing & Insulation – Preventing air leaks and reducing energy waste.
Ductless HVAC System Design – Ideal for homes, offices, and additions without ductwork.
Energy-Efficient HVAC System Design
Green HVAC Solutions – High-efficiency heating and cooling systems to reduce carbon footprint.
Smart Thermostat Integration – Programmable climate control for better energy management.
LEED & Energy Star Compliance – HVAC designs that meet sustainable building standards.
Why Custom HVAC Design Matters
Optimized Energy Efficiency – A well-designed HVAC system reduces energy costs and prevents overuse.
Improved Indoor Comfort – Properly designed airflow and zoning eliminate hot and cold spots.
Longer Equipment Lifespan – A system that runs efficiently lasts longer and requires fewer repairs.
Better Indoor Air Quality – Proper ventilation ensures cleaner, healthier air.
Lower Operational Costs – Energy-efficient designs result in reduced maintenance and operating expenses.
Industries & Properties We Serve
Residential Homes & New Construction – Custom HVAC design for single-family homes, townhouses, and apartments.
Commercial Buildings & Offices – Heating and cooling solutions for small businesses, corporate offices, and retail spaces.
Restaurants & Hospitality – HVAC systems designed for guest comfort and kitchen ventilation.
Schools & Universities – Climate control solutions for classrooms and campus buildings.
Industrial & Warehouses – Ventilation and temperature control for manufacturing and storage facilities.
Why Choose Schmitt Heating & Air Conditioning?
Over 120 Years of Experience – Trusted in HVAC design, installation, and service for decades.
Certified & Licensed HVAC Experts – Specialists in custom system design and implementation.
Energy-Efficient & Sustainable Designs – Helping you lower energy costs and reduce environmental impact.
Advanced HVAC Technology – We integrate smart climate control systems for better performance.
Customer Satisfaction Guaranteed – High-quality service and expert solutions tailored to your specific needs.
Schedule Your HVAC Design Consultation Today!
Ensure your home or business HVAC system is designed for maximum efficiency, performance, and comfort. Trust Schmitt Heating & Air Conditioning for custom HVAC design services in San Francisco and many surrounding counties.