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

Indoor Air · Healthier home

Indoor Air Quality in Southern Maryland

Cleaner, fresher, better-balanced air in every room. We size and install whole-home purifiers, UV lights, humidifiers, dehumidifiers and better filtration that work with the system you already have.

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

Signs your air needs help

Dust settles again right after you clean

Allergies or asthma act up indoors

A musty or "dirty sock" smell from the vents

Sticky, damp air in summer or a damp basement

Dry skin, static shocks and cracked woodwork in winter

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.

(301) 880-3248

What we install

  • Whole-home air purifiers
  • UV lights for the indoor coil
  • Whole-home dehumidifiers
  • Whole-home humidifiers
  • Upgraded filter cabinets and media filters
  • Fresh-air and ventilation 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.

Members pay less for repairs.

Two tune-ups a year, repair discounts and priority scheduling.

See membership plans
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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