Local Pros / Maryland / Gaithersburg
HVAC Contractors in Gaithersburg, MD
24 local hvac contractors serving Gaithersburg and the surrounding area. Gaithersburg is a smaller city where most pros also serve nearby towns. See typical Maryland costs and a free DIY-or-hire breakdown before you reach out. We never sell your info and never take kickbacks.
Population
~67,456
Pros within 35 mi
24
Nearest listed
1 mi
Typical hvac replacement cost in Maryland: hiring runs $6,500–$14,200, DIY about $3,200–$7,600. Calibrate it to Gaithersburg before you call.
HVAC Contractors near Gaithersburg
Presidential, Inc.
HVAC · Gaithersburg, Maryland · 1 mi
Glenmont Heating & Air Conditioning
HVAC · Rockville, Maryland · 5 mi
AMS Air Conditioning & Heating
HVAC · Rockville, Maryland · 5 mi
Tri State Paving & Masonry
HVAC · Herndon, Virginia · 14 mi
AC/DC Appliance Repair
HVAC · Washington, D.C., Washington · 17 mi
Heating Ventilation Air Conditioning Mechanical Service
HVAC · Washington, District of Columbia · 20 mi
DC AIR CONDITIONING &Heating
HVAC · Washington, District of Columbia · 20 mi
Fry Plumbing, Heating And Air Conditioning Corp.
HVAC · Washington, District of Columbia · 20 mi
McMurrays Heating & A.C.
HVAC · Washington, District of Columbia · 20 mi
Riley Heat & Air
HVAC · Washington, District of Columbia · 20 mi
Polar Bear Air Conditioning & Heating Inc.
HVAC · Washington, District of Columbia · 20 mi
Jimmy Gusky Heating & Air LLC
HVAC · Washington, District of Columbia · 20 mi
Smock Heating & Air
HVAC · Frederick, Maryland · 22 mi
May's Heating & Air Conditioning
HVAC · Frederick, Maryland · 22 mi
Permits & rules in Maryland
Permit rules for hvac replacement vary by city and county in Maryland. Most structural, electrical, plumbing, or mechanical work needs a permit and an inspection. Confirm with your local building department, or see the Maryland guide for specifics. Varies by municipality Maryland hvac replacement costs are calibrated from the national average using Maryland's regional price parity (1.08) and local labor index (1.10).
See Maryland permit details →HVAC Contractors in Gaithersburg: common questions
How much does it cost to hire a HVAC contractor in Gaithersburg, Maryland?
In Maryland, hvac replacement typically runs $6,500 to $14,200 when you hire a pro, and about $3,200 to $7,600 if you do it yourself. Gaithersburg prices track the Maryland range, with larger metros toward the high end. Size it to your own home with our free calculator.
Do I need a permit for hvac replacement in Maryland?
Permit rules for hvac replacement vary by city and county in Maryland. Most structural, electrical, plumbing, or mechanical work needs a permit and an inspection. Confirm with your local building department, or see the Maryland guide for specifics. Varies by municipality Always confirm with the Gaithersburg or Maryland building department before work begins.
Should I DIY or hire a HVAC contractor in Gaithersburg?
Hvac replacement is rated moderate for a DIYer. Doing it yourself can save the gap between $3,200 to $7,600 and $6,500 to $14,200, but hvac contractors bring tools, permits, and a warranty. For a large or time-sensitive job, a local pro in Gaithersburg is usually the safer call. Our free DIY-or-hire calculator walks through it.
How many hvac contractors serve Gaithersburg?
We currently list 24 hvac contractors within about 35 miles of Gaithersburg, the nearest about 1 miles out. We never sell your information and never take kickbacks.