Welcome to Mullhausen Heating and Air Conditioning Co, proudly serving the Harford & Baltimore County areas. With 20 years experience in heating, ventilation and air conditioning service and sales, you can count on us for high quality service and affordable rates. Our technicians take pride in their work and make sure it is done right the first time. We know the harmful effects of unclean air in the home and work diligently to make your house energy efficient. It is important to have your furnace and air-conditioner run at their peak efficiency.

Mullhausen's certified HVAC technicians stand behind their work. We will assist you in the planning and installation of your climate control system, providing energy efficiency tips whenever possible. To learn more about what we offer or discuss your climate control needs, please email us or call us at 410-836-7300.

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