An energy efficient air conditioned home means increased comfort and reduced cost to you. Greiner Heating, Air, and Electric can upgrade your Vacaville, California home’s air conditioning system to be more efficient, helping you live more comfortably while saving on electricity. We can assess the state of your home with an energy audit, later making any insulation or air sealing upgrades, while ensuring your air conditioning and heating is performing effectively. Additionally, we can further improve your home’s efficiency and savings through a high-efficiency water heater.