Get more for your money with Thornton Services' EnergySavings Agreement and extended warranties, available in the Belle Haven, Virginia, area. We work hard to make heating and cooling installation and maintenance easy for you. Contact us to learn more about our HVAC service plans. Pay for your maintenance in advance with our Energy Savings Program. You'll get tune-ups every 6 to 12 months, depending on the type of equipment you have. We also provide the option to call and schedule a tune-up whenever you want.