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!

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.
solar, solar federal tax credit, benefits, solar energy, greiner, ghac, ca
Going solar before the end of the year can mean big savings come tax season. The Federal Investment Tax Credit is currently offering a 30% deduction on the cost of new solar installation. Greiner currently installs custom solar PV systems in Davis, Winters, Woodland, Fairfield, Suisun, Vacaville and Dixon, CA.
HVAC, cooling, heating, mini splits, heat pumps, ductless, greiner, ghac, ca
Learn more about the different places in your home where you can install mini-split heat pumps. Greiner explains the different indoor and outdoor parts of a mini-split, and how to find the best location in your house to maximize your energy savings and improve your home comfort!
Home energy audit, blower door test, infrared, duct testing, energy efficiency, home performance, ca, greiner
Locating where exactly in your home you are losing the most energy starts with a comprehensive energy audit. Don’t waste money on home upgrades that won’t make a significant impact on your home performance! Trust the honest experts at Greiner with your California home upgrades.
home zoning, heat pump, thermostat, greiner, ca
You can keep your home comfortable this summer in the California heat with home zoning, smart thermostats, and efficient ductless mini split air conditioners. The heating and cooling professionals at Greiner serve Davis, Winters, Fairfield, Vacaville, Dixon, Suisun and Woodland, CA with expert installation.
SOLAR PANELS, SOLAR, greiner, ca
Installing solar panels on your roof can reduce your reliance on your cooling system by lowering the temperature of your home by up top 5 degrees. If you live in Davis, Winters, Fairfield, Vacaville, Dixon, Suisun or Woodland, CA and are looking to go solar, the experts at Greiner have got you covered.
air sealing, insulation, furnace, ac, hvac, IAQ, solar, ghac, CA

Your house is a system, and many different components work together to keep it healthy and comfortable year-round. If you want to improve your home, it’s important to take a whole-home approach.

remote pointed at air conditioner, remote pointed at mini-split
As summer temperatures hit California, it’s important to make sure your air conditioning system is in top shape with the right AC upgrades. Greiner offers professional AC maintenance and AC unit replacement to help you optimize your system for greater indoor comfort, lower utility bills, and more.


For service, replacement, solar and home-performance energy upgrade projects

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