NAC Mechanical Services
HVAC contractor in Gaithersburg, MD 20877
About this company
NAC Mechanical Services is listed as an HVAC contractor at 15800 Gaither Dr in Gaithersburg, Maryland, in Montgomery County. Federal motor carrier records list 2 drivers and 3 trucks for the company. It is one of 14 HVAC companies in ZIP 20877.
Other HVAC companies nearby
Accel Heating and Cooling16021 Industrial Dr, Gaithersburg
0.4 mi(301) 947-8140
DIY Comfort Depot16021 Industrial Dr, 16021 Industrial Dr, 7, Gaithersburg
0.4 mi(301) 615-3300
Bethesda Refrigeration Services9016 Edgewood Dr, Gaithersburg
0.6 mi(301) 926-8375
Hkhhvac1 Research Ct Ste 450, Rockville
0.6 mi(240) 872-6739
America's Green Heating & Air Conditioning Company8543 Ziggy Ln, Gaithersburg
1.3 mi(301) 208-0800
Housing market around ZIP 20877
Figures describe the local area, not this company.
Typical home value$468,000−1.9% past year · +46% in 10 years
Typical rent$2,051+1.5% past year
12-month value outlook+0.2%Roughly flat
New homes permitted, 20251,411Montgomery County
Days to sale agreement19Washington metro · 17 a year ago
Listings with a price cut29.4%Washington metro
Sale price vs list99.7%Washington metro
New construction sales489Washington metro, Aug · −24% from last year
Source: Zillow (home values, rent, outlook and metro sales), data through Sep 2026. Permits: U.S. Census Bureau.
Typical home value, last 10 years
Source: Zillow Home Value Index, Sep 2026.
Local building angle: Montgomery County permitted 1,411 new homes in 2025, including 559 apartment units. 28% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.