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To schedule an appointment please call:  412-290-9287

Hours of Operation:  Monday - Sunday:  24/7

 We accept all Major Credit and Debit cards including PayPal

Heating and Air Conditioning

24 Hour



Mullen Heating and Air Conditioning


John Mullen has kept Pittsburgh warm in the winter months and cool in the summer months for decades. Unlike other companies, Mullen Heating and Air Conditioning does everything in its power to preserve your current furnace or air conditioning units and doesn’t just push you into purchasing a new one.  John Mullen is most known for his integrity. If a furnace goes out, he does everything in his power to get the heat back on right away.

There is NO job too big or small for John and his crew. He offers affordable prices with top-quality skills. Mullen Heating and Air Conditioning offer Heating, Ventilation, and Air Conditioning (HVAC) system installations, repairs, cleanings, and inspections to ensure that your system runs at peak efficiency all year because it saves YOU money. No matter what services interest you – from comprehensive air conditioner installation, repair, and maintenance, to heat pump installation and servicing, to using top-of-the-line UVC air purifiers to keep your air healthy and clean, Mullen Heating and Air Conditioning will never leave you, your family or your business out in the cold.

John Mullen Home Repair, aka John Mullen Heating & Air Conditioning, refers its customers to the following quality lender for their financing.  Click here for more details and enter Promo Code.

    How Can We Help You?

    What is the best time to reach you?

    Residential HVAC

    John Mullen Heating and Air Conditioning offer a wide range of HVAC services for residential properties in the Pittsburgh area.

    Commercial HVAC

    When your Pittsburgh office is too hot or too cold it can be difficult to work.

    HVAC Maintenance

    Preventative maintenance is the best way to assure that you get the most out of your heating air conditioning system,

    Duct Cleaning

    There are filters on every HVAC system but sometimes just changing the filter is only a quick fix for a bigger problem. 

    About Us

    Mullen Heating and Airconditioning is a family run business since 1995.


    Mullen Heating and Air Conditioning are proud of the services they offer and their 5-star ratings show it.

    MondayOpen 24 hours
    TuesdayOpen 24 hours
    WednesdayOpen 24 hours
    ThursdayOpen 24 hours
    FridayOpen 24 hours
    SaturdayOpen 24 hours
    SundayOpen 24 hours

    We will get back to you as quickly as possible