Energy-Efficient Tankless Water Heaters in Marin County and San Francisco

Upgrade your home’s hot water system with a high-efficiency tankless water heater installed by Bay Air Heating & Cooling. We provide expertly installed on-demand water heating systems that deliver continuous hot water while reducing energy costs.

 

Unlike traditional storage tanks, tankless water heaters heat water only when needed, minimizing standby energy losses and extending service life. Our technicians ensure code compliance and optimal system performance installations for every home.

Benefits of Tankless Water Heaters

Tankless systems-also known as on-demand water heaters-offer a smart, space-saving solution for modern homes. Backed by data from the U.S. Department of Energy, these systems are not only more efficient but also longer lasting and safer than traditional tank models.

Energy Efficiency

- Up to 34% more efficient than conventional storage tanks.
- Reduces utility bills by $100+ per year in homes with average usage.
- ENERGY STAR® models provide even greater savings through optimized burners and heat exchangers.

Unlimited Hot Water

- Produces hot water on demand with no recovery time.
- Ideal for large families or homes with multiple bathrooms.

Space-Saving Design

- Wall-mounted and compact, freeing up valuable floor space.
- Ideal for space-restricted properties.

Longer Lifespan

- Typical lifespan of 15-20 years, exceeding traditional tank systems.
- Corrosion-resistant components and modular repair options reduce replacement frequency.

Reduced Risk of Water Damage

- No storage tank = no risk of tank rupture or flooding.
- Built-in leak detection and shutoff systems available in advanced models.

Expert Installation and Ongoing Maintenance

Proper installation is critical for achieving the full energy efficiency and performance potential of a tankless water heater. At Bay Air Heating & Cooling, our licensed technicians:

 

  • Conduct a whole-home hot water demand assessment to determine peak flow requirements
  • Recommend gas or electric models with the correct BTU rating or kW capacity
  • Ensure proper ventilation, condensate drainage, and combustion air supply (for gas units)
  • Upgrade electrical service or gas lines if needed for system compatibility

 

Maintenance Services Include:

 

  • Descaling and flushing to prevent mineral buildup and protect heat exchangers
  • Inspection of sensors, filters, and igniters for reliable ignition and temperature control
  • Annual maintenance plans available for long-term efficiency and warranty compliance

Call (415) 944-0114 to schedule a tankless water heater consultation in Marin County or San Francisco.

“Upgrading our water heater with Bay Air was one of the best decisions we’ve made for our home. With two teenagers and constant laundry, we were always running out of hot water. Their team helped us choose the right model, explained everything clearly, and completed the install in a single afternoon. Highly recommend their professionalism and expertise!”