Harley & Duffy
HVAC Company - Upper Marlboro, MD
Services
- Air & Water Systems Balancing
- Air Duct Cleaning
- Attic Insulation Installation
- Attic Ventilation Installation
- Backflow Preventer Installation
- + Show all services
About Harley & Duffy
Harley and Duffy is a residential plumbing, heating and air conditioning company created with YOU the homeowner in mind. Founders Erik Harley and Sean Duffy have been working together in the commercial HVAC industry for close to 60 years, and developed Harley & Duffy to fill a need for reliable, quality home services in Southern Maryland. For the majority of our services, Harley & Duffy offers a flat-rate pricing plan that keeps customers in control of the costs. Whether you're looking to upgrade or replace your AC system or just need us to fix a leaky faucet, our highly trained technicians are ready to help!
Ratings and Reviews
Areas We Serve
- Washington
- Aldie
- DHS
- Waldorf
- Accokeek
- Aquasco
- Barstow
- Benedict
- Brandywine
- Bryans Road
- Bryantown
- Cheltenham
- Hughesville
- Huntingtown
- La Plata
- Pomfret
- Port Republic
- Port Tobacco
- Prince Frederick
- Sunderland
- White Plains
- Southern MD Facility
- Annapolis Junction
- Lanham
- Beltsville
- Laurel
- Bladensburg
- Lothian
- Mount Rainier
- North Beach
- Bowie
- Brentwood
- Capitol Heights
- Chesapeake Beach
- Churchton
- Clinton
- Owings
- Riverdale
- College Park
- Fort Washington
- Oxon Hill
- Suitland
- District Heights
- Temple Hills
- Deale
- Dunkirk
- Fort George G Meade
- Friendship
- Andrews AFB
- Savage
- Shady Side
- Galesville
- Greenbelt
- Glenn Dale
- Upper Marlboro
- Harwood
- West River
- Tracys Landing
- Hyattsville
- Bethesda
- Glen Echo
- Chevy Chase
- Cabin John
- Burtonsville
- Kensington
- Garrett Park
- Silver Spring
- Takoma Park
- Arnold
- Crownsville
- Davidsonville
- Edgewater
- Gambrills
- Mayo
- Millersville
- Odenton
- Crofton
- Riva
- Severn
- Severna Park
- Annapolis
- Sherwood
- Tilghman
- Wittman
- Burke
- Arlington
Business Info
Address
7703 Crane HWY
Upper Marlboro, MD 20772
Project Gallery
Photo | Project | Date | Description | Cost | Home |
|---|---|---|---|---|---|
| fire place installation | Dec 2014 | install new gas fireplace gas line | $476 | Upper Marlboro, MD | |
| heat pump installation | Dec 2014 | remove and install heat pump system | $5k | Upper Marlboro, MD | |
| hot water heater | Dec 2014 | install 50 gallon hot water heater | $940 | Burke, VA | |
| plumbing repar | Dec 2014 | clogged drains | $250 | Waldorf, MD | |
| fix toilet | Dec 2014 | fix loose toilet | $50 | Upper Marlboro, MD | |
| back flow inspections | Dec 2014 | back flow prevention rebuild and inspections | $1k | Hyattsville, MD | |
| fireplace install | Dec 2014 | hook up and install gas fireplace | $200 | Bowie, MD | |
| hot water heater installation | Oct 2014 | install small hot water heater | $650 | Bethesda, MD | |
| hvac installation | Sep 2014 | remove and install hvac system | $7k | Shady Side, MD |
