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!

Get $1000 off a Generator Installation or up to 60 months 0% Financing With Approved Credit
Call Greiner to schedule your AC tune up between now until May 31st and we'll give you up to two pounds of Freon for FREE!
thermal imaging camera inside house
Are you struggling to stay comfortable in your Davis, Dixon, or Vacaville, California home? Maybe your AC never keeps you cool enough during the hot summer months, or your heating system can’t... Read more