TwinTech LLC
HVAC contractor in McLean, VA 22101
About this company
TwinTech LLC is listed as an HVAC contractor at 6830 Elm St #12 in McLean, Virginia, in Fairfax County. It is one of 2 HVAC companies in ZIP 22101.
Other HVAC companies nearby
Little Boy Blue Plumbing & Heating Inc6812 Old Dominion Dr, McLean
0.1 mi(571) 385-3560
Power Air Duct Mclean685 Potomac River Rd, McLean
2.4 mi(571) 771-2981
Nelson's HVAC6526 Roosevelt St, Falls Church
2.5 mi(703) 241-7181
Condon-Reed140 W Jefferson St, Falls Church
3.4 mi(703) 534-5555
TemperaturePro Northern Virginia900 S Washington St, Falls Church
3.9 mi(703) 828-0886
Housing market around ZIP 22101
Figures describe the local area, not this company.
Typical home value$1,667,000+3.3% past year · +58% in 10 years
Typical rent$3,734+2.0% past year
12-month value outlook+0.8%Roughly flat
New homes permitted, 20252,862Fairfax 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: Fairfax County permitted 2,862 new homes in 2025, including 2,122 apartment units. 21% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.