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Baltimore - HVAC Technician

Your local One Hour Heating & Air Conditioning has been serving the Baltimore area for many years.. We promise prompt and professional service to all of our customers. "Always on time, or you don’t pay a dime."™ We look forward to solving all your heating and air conditioning repair, installation and service needs. Call us now to schedule an appointment.
To visit our local Heating & Cooling Website Click Here.
Available 24/7
7484 Candlewood Rd. Ste. T-W Hanover, Maryland 21076 License Number: 470084MD & AAD1-78


Marty Landry - General Manager


    • Air Conditioners
    • Air Handlers
    • Boilers
    • Ductwork
    • Furnaces
    • Heat Pumps
    • Indoor Air Quality
    • Maintenance Agreements
    • Thermostats

    • Ann Arundle County
    • Baltimore County
    • Carroll County
    • Eastern Frederick County
    • Howard County
    • Kent Island
    • Greater Baltimore
    • Northern Calvert County
    • Northern Kent County
    • Prince George’s County

    $100 off Duct Cleaning

    Save $100 Off Duct Cleaning
    *Coupon must be presented at time of service.  Cannot be combined with any other offers. 
    Expires: 9/15/2014 12:00:00 AM

    Chill Out with a New Air Conditioner this Summer! Save up to $500

    Save up to $500 Plus Great Finance Options Available Now
    *Coupon must be presented at time of purchase. Cannot be combined with any other offer Not valid with previous purchases. Call for details
    Expires: 8/15/2014 12:00:00 AM

    Comfort Sentry WiFi Thermostat Special c/w 10 Year Warranty. Sensi App & Installation included

    $587 Installed
    *Must have WiFi. Not suitable for communicating systems. Coupon must be presented at time of service.
    Expires: 9/15/2014 12:00:00 AM
  • Protection Plans

    Your home's heating and air conditioning systems keep you comfortable but you really only notice them when something goes wrong.

    At One Hour Heating & Air Conditioning®, we know that every home owner and every home itself is different. As a service partner of Direct Energy®, we are proud to offer the Home ComfortCollection™, protection plans designed to fit your home's needs.


A family of home services:

Strong partnerships and a national support system.

Independently owned and operated.