First Response Heating & Cooling

First Response Heating & Cooling, on Newport Drive in Forest Hill, serves Abingdon, Bel Air, Havre de Grace, Jarrettsville and nearby Harford County towns. Technicians install, repair and replace central AC, furnaces, heat pumps and ductless mini-splits, and the company also offers indoor air quality work and smart home integration. Round-the-clock emergency service, maintenance plans and memberships, and financing are available, including a promotion of 0% APR for 15 months. Other offers include a $49 furnace tune-up, $50 off any repair and a free second opinion on system repairs, and appointments can be booked online. It holds Maryland State Master License 4393 and Harford County License 256. It cites more than 10 years of experience, and a $250 discount applies to humidifiers. Rated 4.8 from 373 Google reviews, 345 of them five stars.