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!

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?

    Greiner is a local family-owned business with courteous, knowledgeable staff. They answered all my questions and pointed out energy saving steps I could take on my own to save money. Plus, with their little orange booties they were more considerate of my carpet than I am!

    P.S. Thanks for the cupcakes.

    Comfort Advisor: Nathan

    Installers: Miguel, Ruben & Bobby

    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?

    Wow, where to begin…great service, pleasing + professional + personable employees who really look out for me + my needs (vs. “just a sale), always careful of my home (neat, cleaned up each day even if project continued on to next day etc.), follow through, yearly check up reminders, ETC! Nathan + Justin spent time to explain, etc. – I consider Justin part of my family.

    Comfort Advisor: Justin

    Installers: Hector, Jairo & Bobby

    Judy S, Vacaville
  • Would you recommend Greiner Heating & Air?

    Absolutely!!

    Please tell us why?

    Because Nathan and install team were professional, helpful and responsive! Very, very impressive!!! Not to mention Patty and David are the best as well. And Hans brought cupcakes!

    Comfort Advisor: Nathan

    Installers: Heladio & Dylan

    Richard N, Vacaville
  • Would you recommend Greiner Heating & Air?

    Yes – and already have

    Please tell us why?

    Nathan thoroughly explained options and costs and benefits. 3 installers were well coordinated in installation. Overcame delay & confusion with misidentified circuit breaker. Thorough clean-up. Nice guys too.

    Comfort Advisor: Nathan

    Installers: Heladio & Dylan

    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!

    Comfort Advisor: Nathan

    Installers: Heladio, Hector & Ruben

    Brian S, Fairfield
  • Would you recommend Greiner Heating & Air?

    Yes

    Please tell us why?

    Seems like you know what you’re doing!!

    Comfort Advisor: Nathan

    Installers: Bobby & Miguel

    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.

    We have already recommended your company to friends. After getting four different estimates, friends know we were the ones to call, and we were very happy to refer them to Greiner.

    Everyone associated with your company was helpful, and professional, and the services were competitively priced. We would be happy to recommend your services to anyone.

    Comfort Advisor: Nathan

    Installers: Bobby & Miguel

    Manuel & Diane L., Vacaville
  • Would you recommend Greiner Heating & Air?

    Without reservation

    Please tell us why?

    I had an estimate from another company but a friend recommended you – Nathan’s visit & estimate was such a contrast to the other company. Marketing/canned presentation vs. consultation from someone who obviously was knowledgeable made my choice easy. Miguel & Jairo were awesome – professional & polite. So sorry their truck broke down in my driveway! But they still kept a positive attitude & deserve award! Thanks for the cupcakes!

    Comfort Advisor: Nathan

    Installers: Miguel & Jairo

    Sandy R, Vacaville
  • Would you recommend Greiner Heating & Air?

    Yes

    Please tell us why?

    The quality and customer service was excellent. I did not feel pushed or persuaded and felt that I got the best deal for the money spent. My customer service representative was Nathan B. and would recommend working with him in the future. The installers were also very professional and got the job done in a timely manner. I was very impressed with Greiner Heating & Air, thank you!

    Comfort Advisor: Nathan

    Installers: Ken & Jairo

    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,

    Comfort Advisor: Justin

    Installers: Ken, Jairo, & Bobby

    Tim & Diane H., Vacaville
  • Would you recommend Greiner Heating & Air?

    Yes.

    Please tell us why?

    Outstanding service at all levels:

    • Communications w/office: easy, efficient, organized
    • Nathan – Straight-forward, friendly, explained everything accurately & in great detail, even laughed at my stupid jokes!
    • Heladio & Dylan – extremely professional & hardworking. Didn’t waste one minute on the job site. These guys worked their tails off in hot weather and even did a thorough clean up at the end.

    Comfort Advisor: Nathan

    Installers: Heladio & Dylan

    Mark & Rena D., Davis
  • Would you recommend Greiner Heating & Air?

    Absolutely!

    Please tell us why?

    Greiner Heating & Air was very easy for us to recommend to our neighbor who eventually put in a new heating and air conditioning system. In her words, “after talking with them (Greiner), we decided to put in the whole enchilada!”

    We had a home warranty that covered our air conditioner. We were always told by them that when our system broke down they would repair or replace the unit. We were told to not ever drop the warranty because it would go at any time. After the last repair, we asked about the life of our unit and were surprised at the answer we received….that we were in need of replacement but they would only replace they unit that was already there and since it was too small to do the job, we would have to pay the excess, whatever it would be. It seemed very complicated, especially when they started to tell us we should check to see if there were any rebates through PG&E available to help us.

    Seeing your ad in the LeisureTown newsletter made it easy. We called and from the very first contact with your office staff, we could see the difference that real communication makes. Your office staff was very helpful and put us in touch with Nathan who came and explained why our present unit wasn’t doing the job and what we would need. He explained that we would be eligible for rebates and that your company would make that process easy. Greiner did the pressure test and found the leaks in our system and said they would bring everything up to code. Everything Nathan said was truthful and happened just as he said.

    To make long story short: We valued what we learned from Nathan and decided we were in good hands. The crew came and worked tirelessly in 100+ degree weather to get the job done. And, we so appreciated all the work the crew did for us. Ruben & Hector were extremely hard working and are to be commended for their excellent work!

    So, would we recommend Greiner?? ABSOLUTELY, without any hesitation!!

    Thank you, office staff, Nathan, Ruben & Hector!

    P.S – Thanks for the cupcakes!

    Comfort Advisor: Nathan

    Installers: Ruben & Hector

    Al & Susan B., Vacaville
  • Would you recommend Greiner Heating & Air?

    Yes! To everyone!

    Please tell us why?

    I would recommend Greiner to anyone because of their: 1) competitive prices; 2) individualized customer service; 3) superior product for the price; 4) professional installation.

    The assistant on the phone was gracious and nice, they followed up on everything during the installation process and were never late with anything. First class all the way.

    Comfort Advisor: Nathan

    Installers: Ruben & Hector

    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?

    I had been a Greiner customer previously at my home in Suisun City. I was very pleased with the service I received while living in Suisun. I did recommend Greiner to the woman w ho purchased my Suisun home and I believe she remains a customer. I am very pleased to be with Greiner again at my home in Vacaville. I always feel so well cared for with the service I receive from the Greiner technicians. They are the best!

    Comfort Advisor: Nathan

    Installers: Dylan, Heladio & Ken

    Allison S., Vacaville
  • Would you recommend Greiner Heating & Air?

    Yes

    Please tell us why?

    We appreciate that Greg described the various options in equipment that would suit our needs without exerting and pressure to select the more expensive units. Ruben & Hector were very professional during the installation and we appreciated their respect for our home (both inside and outside).

    Comfort Advisor: Greg

    Installers: Ruben & Hector

    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.

    Comfort Advisor: Carlos

    Installers: Heladio & Bobby

    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?

    Greiner has installed 2 HVAC systems for us in two different older homes. They provided a clear explanation of options, then installed the units quickly and with minimum disruption of our homes. We have been very pleased with the high efficiency systems they have installed. We’ve also been impressed by their follow up and cheerfulness throughout the process.

    Comfort Advisor: Danny

    Installers: Ken, Jairo, Bobby & Ruben

    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?

    Let me count the "whys" --
    Very prompt and courteous crews for both the Heater / AC and the water heater. Also, all seemed to enjoy doing their work. Everyone was very friendly and happy to answer numerous questions.

    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?

    Greiner's service, technical expertise, qualified / certified technicians, workmanship & staying on schedule represent truly 5-star performance. After installation, ongoing service is also a plus. We had a 52 panel solar array, 2 dual fuel furnaces & electric water heater installed. Ruben & Rick are great project managers.

    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?

    Danny and installation staff were strightforward, informative, and professional. They answered all questions and scheduled installation in a timely fashion.

    Margaret S., Woodland
  • Would you recommend Greiner Heating & Air?

    Yes.

    Please tell us why?

    Advisor: Carlos Amado was great, explained to me about repair and the cost and cost for a new one. He wasn't pushing, gave me time to think about it. Like the installers and Carlos came back to check the work. Thank you.

    Maria J,, Vacaville
  • Would you recommend Greiner Heating & Air?

    Yes.

    Please tell us why?

    These folks are very professional and thorough in the evaluation, sales, installation and follow-up on HVAC systems. They even helped me years ago by walking me through a problem with my thermostat over the phone when they were not able to make a house call. Good service begets good business!

    Marian & Bruce C., Vacaville
  • Would you recommend Greiner Heating & Air?

    Yes.

    Please tell us why?

    They are courteous, prompt, and efficient. They make sure they don't track in dirt. They explain what they're doing and don't pressure you to buy something you don't want. They help get you a rebate from PG&E if you qualify. And very fiendly. (Also they don't yell at each other like some workers do.)

    Nancy H., Davis
  • Would you recommend Greiner Heating & Air?

    I do!

    Please tell us why?

    The Fairfield City Inspector asked who did the work; I responded "Greiner." He said a very good co.! I added I was referred to "Greiner" by Mr. Steve Pearson of Pearson's Appliances of Cordelia, CA. With references like that my comfort level was elevated! Thank you

    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?

    Very professional. The guys were on time, took precautions to protect our floors & walls, worked hard all day, were courteous and polite, and basically left us with denuine good feeling about the home installation. Didn't see one young person on their stupid cell phone all day. Very satisfied!

    Ricky & Ramona M., Suisun
  • Would you recommend Greiner Heating & Air?

    Yes...

    Please tell us why?

    * Nathan is very knowledgeable...
    * Everyone was very professional and was prompt with any questions, etc...
    * No matter how many questions we asked Nathan + Rick were very patient
    * From the office staff to all others - very willing to help and prepared us for this process.
    * With the rain delaying installation of solar - the Greiner team was willing to do what they had to - to allow the committment to be met.
    Thank you all for making this large project simple for us. We are so excited to no longer have to pay outrageous PG&E bills!

    Robert & Sherry B., Fairfield
  • Would you recommend Greiner Heating & Air?

    Definitely!!

    Please tell us why?

    Forget the equipment for now, the service is exceptional. When installation is complete, one would never know workmen were here. Everything is cleaned up and all done courteously. The equipment recommended is of the highest quality too.

    Best to all. Roy

    P.S. Thank you for the gift certificate!

    Roy E., Davis
  • Would you recommend Greiner Heating & Air?

    Yes!

    Please tell us why?

    - Excellent customer service from everyone.
    - Grey came to our home twice to make it easier on our schedules to get paperwork signed.
    - Installers very professional & friendly.
    - Product was quickly installed and quality is great!
    Thanks so much!

    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?

    In January 2015, my home heater stopped working and your company promptly sent a very kind and knowledgeable advisor named Denny. He inspected the heater and explained to me in detail and without pressure that being a 17 year old system, he would make the needed temporary fixes, but the heater would eventually need to be replaced. I then decided it was time for a new heating and air conditioning system to be installed. Due to the chilly weather and I am 86 1/2 years old, the next day very courteous installers named Chris, Juan and Ruben, cautiously and neatly installed new systems in one day! Everything works beautifully, and I am so pleased. I thank your company for the immediate response. I am sincerely grateful!

    Yvette T., Vacaville
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Hi, this is Blake, the Energy Design Consultant at Greiner Heating, Air & Solar. I do whole-home energy assessments, system size selection, duct design and testing of our installed equipment to... Read more

Take it from our customers!

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

& Fairfield Daily Republic too.