Hot water, without the hassle.

Take a moment to think about how much hot water gets used in your home on a daily basis. Between washing clothes, doing dishes, taking showers and cooking food, homeowners need to have constant access to hot water on demand.

At Greiner, we sell and install the latest, most efficient hot water heaters on the market, ensuring that our customers are getting the most in home comfort and convenience.

Tankless Water Heaters

Tankless water heaters are among the most efficient units in the world for heating water today. Unlike tank-based systems, they heat water on demand, ensuring that you always have access to hot water when you need it.

You can use a tankless hot water system to direct hot water throughout the entire home at any time, increasing home comfort and taking convenience to the next level.

High-efficiency Tank Water Heaters

Traditional tank-based water heaters may have been inefficient in the past, but today's units are a different story. High-efficiency tank water heaters benefit from improved insulation and are designed in a way that keeps energy loss to a minimum.

If tankless water heaters aren't right for you or your home, upgrading your tank-based system to a new, energy-efficient unit will still make an undeniable difference to overall home performance, not to mention lower your utility bill.

Upgrade Your Hot Water Heater with Greiner

At Greiner, we work hard to assist our customers in taking steps toward an energy efficient future. Making energy upgrades to your home such as those outlined above includes a number of benefits:

  • Hot water when you need it
  • Improved systems life
  • Lower energy bills
  • Increased home performance
  • Less energy waste

Comfort and convenience for you and your family.

Many homeowners are shocked to discover the energy efficiency savings of electric tankless water heaters. The simple act of heating water can account for up to 30% of your monthly energy bill. This is especially true for homes that with old tank water heaters, which tend to be about as inefficient as it can get. For those who are looking to save money on their utility bill and avoid wasteful inefficiency, tankless water heaters are the perfect upgrade.

Setting the standard for energy efficient tank water heating systems.

Get hot water more quickly and easily than ever.

Plus up to $6,500 in home upgrade rebates!

Contact our team to learn more about our efficient water heating services.

Schedule Service

Get Started

What Our Customers are Saying

Natalie M | Davis | Greiner Heat & AC

Would you recommend Greiner Heating & Air?


Please tell us why?

Professional and thorough.

Comfort Advisor: Nathan

Installers: Miguel, Dylan & Jairo

Natalie M

You may be eligible for rebates!

We want to make it easy for you to achieve an efficient and comfortable home. That's why we partner with Home Upgrade CA.
Greiner Heating & Air Conditioning works with Home Upgrade California

Learn More

tankless water heater being adjusted
Many Dixon and Vacaville CA homeowners are looking for efficient ways to heat water in their homes. One popular energy saving option is upgrading to a tankless water heater. But what are the pros and... Read more