Comfort, efficiency, and energy savings are yours.

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

Call us to learn more.

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When you invite friends and family to your home, you want it to feel comfortable for them. When you bring us to your home for heating and air conditioning service, we want you to feel comfortable! That's why Greiner Heating and Air Conditioning has focused for decades on a professional, relationship-building approach to our work.

What you get with Greiner:

  • 100% focus on residential work
  • Complete honesty in all phases of the job
  • The region's best Energy-Saving Heating and Air Conditioning installations
  • The region's top Home Energy Upgrade California participant
  • Efficiency with your investment
  • Happy employees and technicians who make your life easy

If you're looking for installation or service for your home, look no further – call us today!

 

NOW HIRING:

SERVICE TECH

(Entry Level & Experienced)

 


Home Upgrade CA


Specials & Rebates


Heating & Air


Solar Energy


Tankless Hot Water Heater


Home Energy Upgrade

What Our Customers are Saying

  • Would you recommend Greiner Heating & Air?

    Yes

    Please tell us why?

    Very friendly, professional service from start to finish!

    Comfort Advisor: Danny

    Installers: Ruben, Bobby & Jairo

    Mike E, Vacaville

  • Would you recommend Greiner Heating & Air?

    Definitely!!

    Please tell us why?

    Nancy H, Davis

  • Would you recommend Greiner Heating & Air?

    Absolutely

    Please tell us why?

    Professional and thorough.

    Comfort Advisor: Nathan

    Installers: Miguel, Dylan & Jairo

    Natalie M, Davis

  • Would you recommend Greiner Heating & Air?

    Absolutely! No hesitation!

    Please tell us why?

    Judy S, Vacaville

  • Would you recommend Greiner Heating & Air?

    Absolutely!!

    Please tell us why?

    Richard N, Vacaville

  • Would you recommend Greiner Heating & Air?

    Yes – and already have

    Please tell us why?

    Phil & Kathy C., Davis

  • Would you recommend Greiner Heating & Air?

    Yes

    Please tell us why?

    GREAT customer service!!

    • Fast
    • Friendly
    • Easy to work with
    • Extremely professional

    Thank you!

    Brian S, Fairfield

  • Would you recommend Greiner Heating & Air?

    Yes

    Please tell us why?

    Seems like you know what you’re doing!!

    Robert K., Fairfield

  • Would you recommend Greiner Heating & Air?

    May 16, 2013

    We recently received your survey regarding your service, asking if we would recommend Greiner, and why.

    Manuel & Diane L., Vacaville

  • Would you recommend Greiner Heating & Air?

    Without reservation

    Please tell us why?

    Sandy R, Vacaville

  • Would you recommend Greiner Heating & Air?

    Yes

    Please tell us why?

    Elvis M., Suisun

  • Would you recommend Greiner Heating & Air?

    Yes

    Please tell us why?

    Nathan & Justin are great to work with! They explained everything in great detail and the installation was excellent.

    Thanks again,

    Tim & Diane H., Vacaville

  • Would you recommend Greiner Heating & Air?

    Yes.

    Please tell us why?

    Outstanding service at all levels:

    Mark & Rena D., Davis

  • Would you recommend Greiner Heating & Air?

    Absolutely!

    Please tell us why?

    Al & Susan B., Vacaville

  • Would you recommend Greiner Heating & Air?

    Yes! To everyone!

    Please tell us why?

    Paul & Joan D., Vacaville

  • Would you recommend Greiner Heating & Air?

    Yes

    Please tell us why?

    Efficient, courteous, knowledgeable.

    Comfort Advisor: Nathan

    Installers: Miguel & Bobby

    Charles & Rene H., Fairfield

  • Would you recommend Greiner Heating & Air?

    Absolutely!

    Please tell us why?

    Allison S., Vacaville

  • Would you recommend Greiner Heating & Air?

    Yes

    Please tell us why?

    Dennis & Sue B, Vacaville

  • Would you recommend Greiner Heating & Air?

    Yes

    Please tell us why?

    Friendly; east to talk to. Service was quick & somewhat painless. Cost was reasonable & different furnaces were explained, so I learned something.

    Roberta Y., Dixon

  • Would you recommend Greiner Heating & Air?

    Yes!

    Please tell us why?

    Honest salesperson/advisor. Polite, neat, courteous installers

    Comfort Advisor: Nathan

    Installers: Ruben & Heladio

    Francine C., Vacaville

  • Would you recommend Greiner Heating & Air?

    Yes!

    Please tell us why?

    Linda S., Davis

  • Would you recommend Greiner Heating & Air?

    Absolutely

    Please tell us why?

    Customer service, sales person and installer were great and on time. Never thought about Greiner Heating & Air, but glad I did.

    Miranda C., Vacaville

  • Would you recommend Greiner Heating & Air?

    YES!!

    Please tell us why?

    Pat L., Vacaville

  • Would you recommend Greiner Heating & Air?

    Yes.

    Please tell us why?

    Good service and knowledge. Pleased with the work that was completed in our home and in a timely manner. Thanks :)

    Juan P., Vacaville

  • Would you recommend Greiner Heating & Air?

    Yes. I have & will continue to do so.

    Please tell us why?

    Les & Jean C., Vacaville

  • Would you recommend Greiner Heating & Air?

    Yes.

    Please tell us why?

    Service oriented to our needs and action to reduce cost

    Marcus C., Davis

  • Would you recommend Greiner Heating & Air?

    Yes, employees and service were very professional.

    Please tell us why?

    Margaret S., Woodland

  • Would you recommend Greiner Heating & Air?

    Yes.

    Please tell us why?

    Maria J,, Vacaville

  • Would you recommend Greiner Heating & Air?

    Yes.

    Please tell us why?

    Marian & Bruce C., Vacaville

  • Would you recommend Greiner Heating & Air?

    Yes.

    Please tell us why?

    Nancy H., Davis

  • Would you recommend Greiner Heating & Air?

    I do!

    Please tell us why?

    Pat M., Fairfield

  • Would you recommend Greiner Heating & Air?

    Please tell us why?

    Because you are a great company to deal with! I love the way you answer the phone. Everything went perfectly. Thanks for the Starbucks gift card. That's a nice touch!

    Patti F., Fairfield

  • Would you recommend Greiner Heating & Air?

    Yes!

    Please tell us why?

    Ricky & Ramona M., Suisun

  • Would you recommend Greiner Heating & Air?

    Yes...

    Please tell us why?

    Robert & Sherry B., Fairfield

  • Would you recommend Greiner Heating & Air?

    Definitely!!

    Please tell us why?

    Roy E., Davis

  • Would you recommend Greiner Heating & Air?

    Yes!

    Please tell us why?

    Rudy & Mary H., Vacaville

  • Would you recommend Greiner Heating & Air?

    Yes!

    Please tell us why?

    Clean, courteous, professional service from genuinely nice technicians! Good value too.

    Steven M., Vacaville

  • Would you recommend Greiner Heating & Air?

    Yes

    Please tell us why?

    Very professional and honest

    Sue C., Dixon

  • Would you recommend Greiner Heating & Air?

    Yes! I would definitely recomment your company to my family, friends and neighbors. I have to say sincerely that Greiner Heating and Air is the best!

    Please tell us why?

    Yvette T., Vacaville

  • Would you recommend Greiner Heating & Air?

    Absolutely

    Please tell us why?

    Ana & Juan S., Woodland

  • Would you recommend Greiner Heating & Air?

    Yes

    Please tell us why?

    You have been very professional, efficient, and cordial while giving us high quality service and what we onsider to be a good product.  Thanks!

    Anna & Marian C., Vacaville

  • Would you recommend Greiner Heating & Air?

    Yes

    Please tell us why?

    All of the personnel are knowledgeable about their craft, easy to talk to , and friendly.

    Comfort Advisor: Alex

    Claude S., Fairfield

  • Would you recommend Greiner Heating & Air?

    Yes

    Please tell us why?

    Dan N., Winters

  • Would you recommend Greiner Heating & Air?

    Yes, I would - (10/5/2015)

    Please tell us why?

    Debbie P., Woodland

  • Would you recommend Greiner Heating & Air?

    YES!

    Please tell us why?

    Excellent service from beginning to end.  A big thank you to Carlos, Ruben, & Luis!!!

    Comfort Advisor: Carlos

    Denise M., Suisun

  • Would you recommend Greiner Heating & Air?

    YES

    Please tell us why?

  • Would you recommend Greiner Heating & Air?

    Yes

    Please tell us why?

    Great service, friendly staff, knowledgeable, and reliable.

    Comfort Advisor: Roger

    Installers: Ruben and Tuan

    Diane A., Vacaville

  • Would you recommend Greiner Heating & Air?

    Yes I would.

    Please tell us why?

    Dottie and Rick D., Vacaville

  • Would you recommend Greiner Heating & Air?

    Yes, we would recommend

    Please tell us why?

    Elizabeth M., Vacaville

  • Would you recommend Greiner Heating & Air?

    Yes

    Please tell us why?

    Service and respect are obvious traits of the company.

    Comfort Advisor: Nathan

    Jane and Matt G., Vacaville

  • Would you recommend Greiner Heating & Air?

    Yes, certainly.

    Please tell us why?

    Kim D., Dixon

  • Would you recommend Greiner Heating & Air?

    Yes

    Please tell us why?

    Professional, knowledgeable, and fast service!

    Comfort Advisor: Carlos

    Installers: Ruben and Luis

    Larry S. , Woodland

  • Would you recommend Greiner Heating & Air?

    Yes

    Please tell us why?

    Friendly and professional.  Only difficulty we had was having to insist you provide a filter for our new unit.

    Comfort Advisor: Roger

    Laura S., Davis

  • Would you recommend Greiner Heating & Air?

    Yes

    Please tell us why?

    The air conditioning works great!  The guys that came did a great job.

    Comfort Advisor: Danny

    Linda P., Woodland

  • Would you recommend Greiner Heating & Air?

    Yes

    Please tell us why?

    Lois J., Davis

  • Would you recommend Greiner Heating & Air?

    Yes

    Please tell us why?

    Louise K., Dixon

  • Would you recommend Greiner Heating & Air?

    Yes

    Please tell us why?

    Great customer service along with employees that knew what they were doing.  Everything about the HVAC works great and the best part is we saved money.  Thank you!

    Michael C., Woodland

  • Would you recommend Greiner Heating & Air?

    Yes

    Please tell us why?

    Very helpful.  They listened to us.  Honest.

    Comfort Advisor: Nathan

    Installers: Edwin and Heladio

    Norman and Shelly W., Vacaville

  • Would you recommend Greiner Heating & Air?

    Yes yes many times

    Please tell us why?

    You were so kind and helpful.  Did a very good job, I enjoyed all of you very much.  Nice people.  Thanks so much for the fast and good service.

    Robin B., Fairfield

  • Would you recommend Greiner Heating & Air?

    Absolutely

    Please tell us why?

    Ruth D., Dixon

  • Would you recommend Greiner Heating & Air?

    Yes!

    Please tell us why?

    Great customer service: From my first call to your last man on the install.  Also great service from Greg

    Comfort Advisor: Nathan

    Susan H., Vacaville

  • Would you recommend Greiner Heating & Air?

    Yes, I would.

    Please tell us why?

    Theresa and Doug C., Winters

  • Would you recommend Greiner Heating & Air?

    Yes

    Please tell us why?

    Friendly servicemen and very efficient!

    Comfort Advisor: Danny

    Installers: Edwin, Ruben, and Heladio

    Wayne and Joanne O., Dixon

  • Would you recommend Greiner Heating & Air?

    YES

    Please tell us why?

    Woody M., Suisun

  • Would you recommend Greiner Heating & Air?

    Yes, we certainly would. 

    Please tell us why?

    Barbara C., Suisun

  • Would you recommend Greiner Heating & Air?

    Yes

    Please tell us why?

    Everyone we dealt with was very professional, thorough explaining things very clearly and made us feel at ease.

    Comfort Advisor: Roger

    John E., Fairfield

  • Would you recommend Greiner Heating & Air?

     YES

    Please tell us why?

     Service is always professional

  • Would you recommend Greiner Heating & Air?

    Absolutely

    Please tell us why?

    John & Lorraine M., Davis

  • Would you recommend Greiner Heating & Air?

    Yes

    Please tell us why?

    Dennis N., Vacaville

  • Would you recommend Greiner Heating & Air?

     Yes

    Please tell us why?

    , Dixon

  • Would you recommend Greiner Heating & Air?

    Without Hesitation!

    Please tell us why?

    Russ P., Vacaville

  • Would you recommend Greiner Heating & Air?

    Most Definitely!

    Please tell us why?

    Rich S., Vacaville

  • Would you recommend Greiner Heating & Air?

    Yes, absolutely

    Please tell us why?

    Great friendly people, hard workers, and always, always, always when the job is done - A+ work from top to bottom. Thanks Greiner.

    Edward S., Dixon

  • Would you recommend Greiner Heating & Air?

    Yes

    Please tell us why?

    1. You're a local company and have a reputation of being reliable.

    Ann W., Woodland

  • Would you recommend Greiner Heating & Air?

    Definitely 

    Please tell us why?

    Kimberley W., Vacaville

  • Would you recommend Greiner Heating & Air?

    Yes!

    Please tell us why?

    Because you care! I had a couple of problems and they fixed it right away. I'm a happy customer. 

    Comfort Advisor: Danny

    Kathleen W. , Winters

  •  

    Would you recommend Greiner Heating & Air?

    Yes

     

    Please tell us why?

  • Would you recommend Greiner Heating & Air?

    Most definitely

    Please tell us why?

    • Best customer service

  •  Would you recommend Greiner Heating & Air?

    Yes!!

    Please tell us why?

    Very professional explained everything no matter who many times I asked the same question.

  •  Would you recommend Greiner Heating & Air?

    Yes

    Please tell us why?

  • Would you recommend Greiner Heating & Air?

    YES 

    Please tell us why?

  • Would you recommend Greiner Heating & Air?

    Yes

    Please tell us why?

  • Would you recommend Greiner Heating & Air?

    Yes.

  • Would you recommend Greiner Heating & Air?

    Yes

    Please tell us why?

  • Would you recommend Greiner Heating & Air?

    Yes

    Please tell us why?

  • Would you recommend Greiner Heating & Air?

    Highly Recomended w/praise

    Please tell us why?

  • Would you recommend Greiner Heating & Air?

    YES

    Please tell us why?

    Did what they said they would do!

    Cleaned up old problems

  • Would you recommend Greiner Heating & Air?

    Absolutely

    Please tell us why?

Financing for a New High-Efficiency AC

Finance your new high efficiency AC today!
Staying comfortable doesn’t have to cost a fortune. Air conditioning is essential to staying cool but old, outdated systems hike up your energy bills

Fall Is the Time to Consider Air Sealing Your Home

Home comfort, air sealing, save money on heating, CA
It’s been a hot summer but temperatures finally seem to be dropping down for fall. If you’re looking for ways you can prepare your home for cooler temperatures, look no further. One of the best... Read more

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Take it from our customers!

Readers of The Reporter Newspaper & Daily Republic Voted us the "Best Heating and Air Contractor" and "Best Solar Contractor"


Greiner is one of the top HVAC contractors in the area, as voted by readers of the Solano County Reporter


Bang For Your Buck Promotion!
For only $1, we’ll upgrade whichever furnace you decide on to the next highest level of efficiency!
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Lennox Fall Promotion - NOW IN EFFECT
Receive Up to $1,600 or Up to 72 Months No Interest Financing on Qualifying Equipment
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