When you want instant hot water and lower energy bills, Isaac Heating & Air Conditioning delivers dependable tankless water heater services in Canandaigua, NY. Since 1945, our family-owned team has provided reliable, efficient solutions for homeowners across the Finger Lakes. Whether you’re upgrading to a tankless system, need emergency repairs, or want to schedule annual maintenance, we make sure your water heater runs safely and efficiently year-round.
Book tankless water heater services in Canandaigua, NY by contacting us online today!

Tankless Water Heater Installation & Replacement
Thinking about switching from a traditional water heater to a tankless system? Isaac’s licensed professionals make the process simple. We can convert your existing setup to an energy-saving tankless water heater or replace your current unit with a modern, high-efficiency model.
Our technicians will help you choose the right size and capacity for your household, ensuring consistent hot water without wasting energy. With free replacement estimates and upfront pricing, you’ll always know what to expect before work begins.
Benefits of Tankless Water Heaters
- Energy efficiency that reduces monthly utility bills
- Endless on-demand hot water supply
- Compact design that saves valuable space
- Longer lifespan than traditional water heaters
- Reduced risk of leaks or flooding
- Eco-friendly operation with lower energy consumption
Tankless Water Heater Repair
Even the most reliable system can experience wear over time. Isaac Heating & Air Conditioning provides fast and dependable tankless water heater repairs throughout Canandaigua. Common issues include ignition failure, mineral buildup, error codes, and inconsistent water temperature.
Our plumbers service all brands and use advanced diagnostic tools to identify and resolve problems quickly. And if your water heater stops working unexpectedly, you can rely on our 24-hour emergency service to restore your hot water fast.
Tankless Water Heater Maintenance
Routine maintenance is key to keeping your system running smoothly. Most homeowners should schedule tankless water heater maintenance once a year to remove scale buildup, inspect filters, and verify safe gas or electrical connections.
Isaac’s certified technicians follow manufacturer-recommended maintenance procedures, ensuring your system maintains peak efficiency and longevity. Regular service also helps prevent costly breakdowns and keeps your water heater under warranty protection.
Why Choose Isaac for Tankless Water Heater Services?
Homeowners in Canandaigua and across Western New York have trusted Isaac Heating & Air Conditioning for decades. Our reputation for honest service, technical expertise, and customer care has earned us industry recognition and thousands of loyal customers.
Local families choose our team because they know they can count on us for:
- Service all brands
- Free replacement estimates
- Family-owned and operated since 1945
- Upfront pricing & financing options
- 24-hour emergency service
- Licensed, certified, and background-checked technicians
- Recognized as a Rochester Top 100 company
- Recipient of the BBB International Torch Award
- Proud member of ACCA
Schedule Tankless Water Heater Service in Canandaigua, NY
When it’s time for a tankless water heater installation, repair, or tune-up, Isaac Heating & Air Conditioning is the team you can count on. We combine experience, integrity, and award-winning service to keep your home comfortable and efficient all year long.
At Isaac, When You Need Us, We’ll Be There®. Contact us online to book your tankless water heater service today!
Tankless Water Heater FAQs
How long does a tankless water heater last?
Most tankless models last 20 years or more when properly maintained, nearly double the lifespan of a standard storage tank.
Can you convert a standard water heater to tankless?
Yes. Our licensed technicians can retrofit your plumbing and gas or electrical lines to install a new tankless system suited to your home’s size and hot water needs.
How often should I schedule water heater maintenance?
Once a year is ideal for most homes, but properties with hard water may benefit from twice-yearly service to prevent mineral buildup.