EarthTech Systems LLC
HVAC contractor in Tyngsboro, MA 01879
About this company
EarthTech Systems LLC is listed as an HVAC contractor at 1 Industrial Way Unit 1 in Tyngsboro, Massachusetts, in Middlesex County. It is one of 7 HVAC companies in ZIP 01879.
Other HVAC companies nearby
Denommee Plumbing, HVAC & Electric21 Westech Dr, Tyngsboro
0.4 mi(978) 649-8886
Mass Control Center40 Westech Dr, Tyngsboro
0.5 mi(978) 649-1128
Boss HVAC141 Middlesex Rd, Tyngsboro
0.8 mi(978) 815-8031
My Dear Watson Plumbing, Heating & Cooling10 Tyngsboro Rd, North Chelmsford
1.5 mi(978) 251-2994
Lamco Systems Inc4 Cummings Rd, Tyngsboro
1.7 mi(978) 649-3868
Housing market around ZIP 01879
Figures describe the local area, not this company.
Typical home value$648,000+2.0% past year · +83% in 10 years
Typical rent$2,950
12-month value outlook+1.3%
New homes permitted, 20252,341Middlesex County
Days to sale agreement14Boston metro · 15 a year ago
Listings with a price cut23.7%Boston metro
Sale price vs list101.3%Boston metro
New construction sales302Boston metro, Aug · +23% 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: Middlesex County permitted 2,341 new homes in 2025, including 1,372 apartment units. 27% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.