Part of our company mission is to help educate homeowners on topics related to making your home better with heating, air conditioning, energy efficiency upgrades and solar. Read all about it here on the blog!

money bag and lightbulb, solar tax credit concept
Find out how the federal solar tax credit (ITC) works in 2021, who qualifies, and how much it will help you save on solar installation at your Davis, Dixon, or Vacaville CA home. The ITC extension gives homeowners more time to save big on solar, and Grenier is here to help you claim your credit!
girl wrapped in blanket at home
Find out what you can do to fix a broken heater and when it’s time to call for expert help. Greiner is the local HVAC repair contractor Dixon, Davis, and Vacaville homeowners trust for expert service. To prevent break-downs, join our Maintenance Value Plan and get 2 free tune-ups a year!
woman wrapped in blanket at home

Find the right solution for whole home comfort in your house with mini split heat pump installation from Greiner. Mini splits are perfect for homes with uneven heating, and can transform rooms that don’t get much use when the weather’s chilly into year-round sources of comfort for your family.

family together on couch comfortable at home
Learn more about the causes of poor indoor air quality in your home, and how you can take steps to help reduce indoor air pollutants and make your home healthier for you and your family. Greiner offers a number of IAQ solutions, from air quality testing to air sealing, duct inspection and more.
changing hvac filter

Learn more about the difference between HEPA and MERV air filters, and how you can decide which filter upgrade is the best choice for you. Greiner Heating and Air Conditioning has been helping California homeowners improve the air in their homes for years—reach out to our team of experts today.

man sneezing into tissue

Breathe easier this fall with HVAC solutions and services that can help reduce indoor air pollutants, including allergens, in your home. Greiner Heating and Air Conditioning explains how replacing your air filters and cleaning your ducts can create a healthier indoor environment for your family.

frozen pipe on air conditioner

Learn more about what’s creating ice on your air conditioner or your AC pipe outside your home, and how the expert HVAC professionals at Greiner can help! Whether it’s low refrigerant levels or dirty evaporator coils, our team can help unfreeze your air conditioner and make your home comfortable again quickly.

heat pump outside house

Learn more about mini-split heat pump technology and how scheduling mini-split installation for your home can improve home comfort and reduce your energy bills—all without the hassle of dealing with old, leaking, and poorly designed duct work! Talk to an HVAC expert today.

confused woman at home
Learn more about the different sounds an air conditioner can make when it’s not working properly. From hissing, rattling, and knocking to buzzing and squealing, there are a number of ways your AC could be trying to tell you it needs help. Call Greiner today for expert diagnostic and repair services.

Summer might not technically be here yet if you’re just going off the calendar date, but it sure feels like it throughout the Sacramento Valley. Davis, Dixon, and Vacaville homeowners are already turning on their air conditioning to fight back against triple-digit heat.

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What Our Customers are Saying

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    Nancy H, Davis