Monday–Friday, 8 AM–5 PM Proudly serving Southern Maryland(301) 880-3248
(301) 880-3248

Heating & cooling · Ductless

Ductless Mini-Split Systems in Southern Maryland

Efficient heating and cooling with no ductwork: perfect for additions, garages, sunrooms, finished basements and rooms the main system never reaches. Each room gets its own comfort setting.

(301) 880-3248
4.9 on Google · 387 reviews
A Graves Heating & Air service van

Where a mini-split shines

A room addition or converted garage

A sunroom or bonus room that's always too hot or too cold

Older homes with no ductwork

Replacing window units or baseboard heat

Finished basements and in-law suites

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

  • Single- and multi-zone mini-splits
  • Repair and maintenance on all major brands
  • Ceiling cassettes and slim-duct air handlers
  • Line-set and condensate routing done neatly
  • Smart controls

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.

Financing available.

Spread the cost of a new system over convenient monthly payments.

Financing options
A Graves Heating & Air service van

Ready when you are.

Book online in about two minutes, or call the office Mon–Fri, 8 AM–5 PM.

(301) 880-3248
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