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!

ductwork before installation

Many furnace frustrations can be linked to poor ductwork design, like weak air flow from your vents and chilly indoor temperatures. Greiner heating specializes in ductwork design for proper sizing and duct sealing for holes and cracks in your ductwork. Solve your furnace woes with the Greiner pros!

woman inside closing a window

Keeping your windows closed during the Sacramento winter could be increasing the allergy-like symptoms you and your family experience in your own home. Greiner will get your indoor air quality back on track by helping to remove harmful germs, contaminants, and allergens from your ductwork and living space.

confused man

If your furnace is making a high-pitched noise, rattling, buzzing, knocking, or clanking, it's a clear sign it is time for furnace maintenance from the home heating experts at Greiner Heating & AC. Greiner repairs & services furnaces in Dixon, Davis, Winters, Fairfield, Vacaville, Woodland and Suisun, CA.


Low air flow from your vents, inconsistent room to room temperatures and higher than expected energy bills are the common symptoms of improperly sized ductwork. Learn about the signs your ductwork may be in need of re-design or repair, from the ductwork professionals at Greiner Heating and Air Conditioning.

heart shaped germs in petri dish

The dry air and cooler temperatures of California in February can leave you and your family vulnerable to the germs, mold, and allergens in the air you breathe at home. Greiner upgrades the indoor air quality for homeowners with ventilation upgrades, professional air sealing, and more!

woman changing thermostat

Stop fighting over the perfect winter temperature in your Davis, CA home. Greiner walks you through the factors that contribute to finding the most comfortable and energy efficient thermostat setting. Upgrade your home performance with the experts at Greiner, for control over your home comfort and heating bills.

confused woman at home

Furnace not turning on? Find out how to troubleshoot a malfunctioning furnace and what the root cause might be, from Greiner Heating & Air Conditioning. Greiner provides professional heating and air conditioning services to homeowners throughout Yolo & Solano counties.

Everyone wants to be home for the holidays—unless your home is drafty and uncomfortable. Here’s a checklist for keeping your home warm and efficient for the holidays from the experts at Greiner.

man in winter coat shivering inside cold home

Discover the power of proper air sealing in the battle against your indoor drafts. Air sealing with the local pros at Greiner will keep your home more comfortable as you prep for winter in California. Add insulation for even greater home comfort and energy efficiency! Contact the experts at Greiner.

greiner, fall, home performance, hvac, ca

As your HVAC appliances go unused, the wear and tear they see during operation can worsen. This can mean loosened electrical connections, additional air and gas leaks, and other inefficiencies that will cost you more each month on your utility bills, and make it much harder to keep your home comfortable.


Ready to learn even more?

Contact our team!

Schedule Service

Get Started
Receive up to a $1700 Rebate
For service, replacement, solar and home-performance energy upgrade projects

What Our Customers are Saying

  • Would you recommend Greiner Heating & Air?


    Please tell us why?

    Nancy H, Davis