Tankless Water Heater Installation in San Francisco, CA
Smarter Hot Water Solutions Start Here with Tankless Water Heaters
When you’re ready to enjoy endless hot water and energy efficiency, upgrading to a tankless system is the way to go. At Heise's Plumbing, we specialize in Tankless Water Heater Installation and Repair in San Francisco, CA, and surrounding areas. Whether you’re replacing a bulky old tank or need fast repairs on your current system, our licensed team delivers precise, reliable service that keeps your hot water flowing.
Call us today at (415) 333-0704 to schedule tankless water heater service!
Why Go Tankless with Us?
Tankless water heaters aren’t one-size-fits-all—you need a professional who understands sizing, installation codes, and long-term performance. At Heise's Plumbing, we’ve worked with every major brand and model, so you get tailored solutions backed by experience. We install, maintain, and repair both gas and electric tankless units, ensuring optimal function for years to come.
We also know that time without hot water can disrupt your entire household. That’s why we show up promptly, work cleanly, and always communicate clearly—no surprises, just results.
Expert Work with Real Benefits
Tankless systems are growing in popularity for good reason. They’re compact, efficient, and built to last. If you’re unsure whether tankless is right for you, we’re happy to help you compare options and make an informed decision.
Our tankless water heater services include:
New tankless water heater installation (gas or electric)
System replacements and upgrades
Flow rate and sizing assessments
Manufacturer-approved repairs
Annual descaling and preventative maintenance
Emergency hot water troubleshooting
Benefits of going tankless:
Endless hot water on demand
Up to 30% more energy efficient than tank models
Longer lifespan (20+ years with proper care)
Space-saving design for tight areas
Reduced risk of leaks or water damage
Contact Us for Lasting Comfort
Tankless water heaters are a smart investment—but only when installed and serviced by qualified pros. Whether you’re upgrading or in need of a fast repair, Heise's Plumbing is your trusted source for Tankless Water Heater Installation and Repair in San Francisco, CA, and surrounding areas.
Call us now at (415) 333-0704 to get expert help with your tankless water heater!
Most Recent Pins (12)
Heises Plumbing
Heises Plumbing serviced a Navien tankless water heater in San Francisco by cleaning the inlet water filter and correcting the circulating valve position, restoring efficient operation. Post-service testing confirmed proper function for reliable hot water delivery.
Heises Plumbing
Heises Plumbing in San Francisco, CA cleared a clogged bathtub drain and serviced a tankless water heater. Their work included descaling the unit, cleaning the water inlet filter, and cleaning the igniter. They tested all systems to ensure proper operation and efficiency.
Heises Plumbing
Heises Plumbing replaced three Chronomite Instant-Flow water heaters under bathroom sinks in a San Francisco residence. They removed old units, installed new like-for-like models, connected new water supply lines, reused existing electrical connections, and tested all units for proper operation.
Heises Plumbing
Heises Plumbing provided tankless water heater maintenance on two Navien units in San Francisco, CA. The service included descaling to remove mineral buildup, replacing condensation neutralizers, and system testing to ensure proper operation and drainage.
Heises Plumbing
Heises Plumbing provides tankless water heater maintenance in San Francisco, CA. They descale Noritz water heaters, clean inlet water filters, igniters, and screen filters. They test units after service to ensure proper operation and efficiency.
Heises Plumbing
Heises Plumbing in San Francisco, CA, provided descaling and flushing services on a Rinnai tankless water heater. The maintenance removed mineral buildup and restored the unit’s efficiency. The water heater is now functioning properly after the service.
Heises Plumbing
Heises Plumbing installed three Noritz tankless water heaters in a multi-unit property in San Francisco, CA. The project included proper gas line sizing, clean copper piping, code-compliant venting, condensate drainage, and dedicated electrical connections. This setup provides energy-efficient, on-demand hot water for multiple units.
Heises Plumbing
HEISES PLUMBING replaced a 40-gallon tank water heater with a high-efficiency tankless system in San Francisco, California. The team installed an expansion tank, updated connections, and ensured the system met plumbing and safety standards. This upgrade improves hot water availability, lowers energy use, and increases usable space in the home.
Heises Plumbing
Heises Plumbing repaired a shower faucet by replacing a damaged cartridge in San Francisco, California. Technicians also installed a user-supplied condensate neutralizer on the tankless water heater’s condensation line. Both systems were tested after service and are functioning as expected.
Heises Plumbing
Heises Plumbing replaced a tankless water heater at a San Francisco, California residence. The team removed the old unit, installed a new system using copper fittings and valves, bled the lines to clear air, and tested all connections for proper function. The installation met all operational standards.
Heises Plumbing
A technician in San Mateo, CA repaired a Navien tankless water heater that had stopped producing hot water. The service included correcting a gas supply issue, rerouting the condensation drain line, and resetting the system. The unit resumed normal function and delivered consistent hot water the same day.
Heises Plumbing
Heises Plumbing replaced an outdoor tankless water heater in Burlingame, California. The team installed new isolation valves, ran a new gas line, completed pressure testing, and hard-wired the electrical connection. They verified proper operation and confirmed hot water flow with no leaks detected.
