Contact Us

AC Condenser Units Sitting Outside

Schedule Your Heating & AC Service!

At A 100% Guarantee Heating and AC, we push to make our services as accessible and affordable as possible! When your home requires fast and reliable service for air conditioning or heating, our services are simply a call away. Our team also provides commercial solutions for small businesses.

Our team has faithfully served the local community in Vacaville, CA for years. Because of our continued dedication to excellent customer service and lasting HVAC solutions, families and companies alike come back to us for all their heating and cooling needs. Don’t just take our word on the matter though! See what locals like you have to say in our reviews.

224 Livingston Avenue
Vacaville, CA 95687
(707) 450-1258

Give Us a Call!

Our office is available from 8:00am to 7:00pm every day of the week. However, you can reach us 24/7 (including after-hours) for emergency repair services. If your home or family is in immediate danger do to HVAC system difficulties, do not hesitate to give us a call! You can reach our courteous, friendly staff at (707) 450-1258 to ask for fast repair or schedule a later appointment. You’ll quickly see why so many locals come to us for all their heating and cooling needs!