 For 18 years, David Ashcom Heating and Cooling has been and will remain a locally owned and operated business. David Ashcom Heating and Cooling is committed to excellence in HVAC. Call us today at 434-960-1805. 960-1805. That's 960-1805. Prescriptions require an online consultation with a healthcare provider who will determine if appropriate restrictions apply. See website for details and important safety information. Subscription required. Price varies based on product and subscription plan.