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!

For service, replacement, solar and home-performance energy upgrade projects
Hand sketching on an energy efficiency project
What is building electrification, and why is it becoming so important to California’s future? The buildings we live, play, and work in can have a serious impact on California’s environment, and there... Read more