Indoor Air · Ductwork
Ductwork & Custom Sheet Metal in Southern Maryland
Even the best system can't keep you comfortable through bad ductwork. We design, fabricate and seal duct systems by hand, from a single transition to a whole new trunk line.
4.9 on Google · 387 reviews
Signs your ducts are the problem
Some rooms are always hotter or colder than others
Weak airflow from some vents
High bills even with a newer system
Ducts that whistle, rattle or bang
Crushed, disconnected or uninsulated duct in the attic or crawl space
Book in about two minutes
Pick a day and an arrival window that works for you, or call the office Mon–Fri, 8 AM–5 PM.
What we do
- Custom sheet-metal plenums, transitions and trunk lines
- Duct sealing
- Duct insulation
- Airflow balancing
- Return-air upgrades
Why Graves
Licensed, local and upfront
Licensed and insured under MD HVACR #01-21983. Serving Hollywood, Lexington Park, Leonardtown and all of Southern Maryland since 2012.
Upfront pricing
You approve every repair and its price before any work begins. No surprise fees.
No pushy sales
We recommend only what your system needs to run safely and well.
Free second opinions
Got a big quote from someone else? Send it to us and we'll give you an honest take.
Flexible financing
Spread the cost of a new system over convenient monthly payments.
Recent installs
See our work
Financing available.
Spread the cost of a new system over convenient monthly payments.