EarthTech Systems LLC
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About EarthTech Systems LLC
EarthTech Systems LLC operates as an HVAC contractor serving Tyngsborough, Massachusetts, and nearby communities. The business holds a 4.7-star rating compiled from 152 client reviews, indicating consistently positive customer feedback within the local market. This volume of verified reviews positions EarthTech among the more frequently reviewed HVAC providers in the Tyngsborough area, suggesting operational stability and sustained service delivery over time.
EarthTech Systems specializes in geothermal heating and cooling installations according to multiple customer accounts. Reviewers document transitions from traditional oil burner hydro-air systems to geothermal setups, indicating specialized expertise in alternative energy HVAC solutions. The company also installs hybrid water heaters and provides insulation efficiency consultations. Customer feedback references clean installation practices and post-project follow-up checks, pointing toward aStructured completion protocol.
What Customers Say
Three detailed reviews show divided sentiment: two five-star ratings praise geothermal installations and technician professionalism, citing responsive communication and backup heating provision during cold-weather transitions. The single one-star review allegesmini-split installation deficiencies including misaligned unit placement, inadequate documentation, and joint sealing concerns. Positive reviews name specific employees while negative feedback centers on verbal guarantee fulfillment.
Working Hours
| Sunday | Closed |
| Monday | 6 AM–4 PM |
| Tuesday | 6 AM–4 PM |
| WednesdayToday | 6 AM–4 PM |
| Thursday | 6 AM–4 PM |
| Friday | 6 AM–4 PM |
| Saturday | Closed |
Services
Geothermal HVAC Installation
Complete ground-source heat pump systems replacing traditional heating with energy-efficient geothermal technology.
Hybrid Water Heater Setup
Installation of combined water heating solutions complementing geothermal systems.
Oil Burner System Replacement
Removal and conversion from oil-fired hydro-air heating to modern alternatives.
Ductless Mini-Split Systems
Wall-mounted and ceiling-mounted zone cooling and heating units for targeted spaces.
HVAC Efficiency Consultation
Insulation assessment and efficiency recommendations provided alongside new system installations.