Home ยป About Us Read Our Testimonials 6 Tilco Drive Frederick, Maryland 21704 See all reviews SPECIAL OFFERFree In-Home EstimateLimited TimeEstimate provided for new system installs and/or water heaters only. Coupon must be presented at time of service. Not valid with any other offers. Restrictions may apply. Call Eric Smock Heating & Air Conditioning, Inc. for complete details.1539 Tilco Dr, Suite 104, Frederick, MD 21704 (301) 945-7220 Click to Open in Print View We Accept Recent Posts How Often Should You Change Your AC Filter in Clarksburg, MD? 3 Common Water Heater Issues in Frederick, MD, and Their Solutions Why Heat Pumps in Middletown, MD, Heat in Cooling Mode How to Protect Your Family From Spring Allergens in Germantown, MD 3 Reasons to Have a Humidifier Installed This Winter in Frederick, MD Search for: REQUEST AN APPOINTMENT