Serving happy customers for over 25 years!

Since forming Greiner in 1991, our team of experts have been providing top of the line home services in Yolo and Solano counties. If your home is in need of some heating and cooling work, you’ve found the right place. Got another project on your mind? No problem! Whether it’s spray foam insulation, a solar upgrade, or even just a new water heater, we’ve got you covered!

Click on your city below to learn more about how Greiner can boost the energy efficiency and comfort of your home!

Up to $1,700 in Savings and Financing!
For service, replacement, solar and home-performance energy upgrade projects
Going Solar is More Affordable Than You Think Homeowners across California are switching to solar. Although almost everyone understands the appeal and advantages of solar, many are surprised at just... Read more