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.
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Available 24/7
7484 Candlewood Rd.
Ste. T-W
Hanover, Maryland 21076
License Number: 470084MD & AAD1-78

AWARDS AND AFFILIATIONS
STAFF
MARTY LANDRY – GENERAL MANAGER
SERVICES
- Air Conditioners
- Air Handlers
- Boilers
- Ductwork
- Furnaces
- Heat Pumps
- Indoor Air Quality
- Maintenance Agreements
- Thermostats
AREAS SERVED
- 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
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.