Home ยป About Us View Our Projects 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 an Air Cleaner Differs From an Air Purifier 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 Search for: REQUEST AN APPOINTMENT