AllTech Services, Inc

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About AllTech Services, Inc
AllTech Services, Inc has served Northern Virginia homeowners for over two decades from its headquarters at 101-A Executive Dr. in Sterling. The family-owned contractor holds proper licensing and insurance, with a track record built largely on repeat customers, a testament to the trust they've earned across the region. The company maintains a remarkable 4.9-star average across nearly 3,000 reviews, with technicians deployed across four locations including Manassas, Fairfax, and Winchester. Whether you need emergency heating repair at midnight or a planned AC installation, AllTech operates around the clock, every day of the week.
What distinguishes AllTech from regional competitors is their multi-trade capability combined with manufacturer partnerships. As an authorized dealer for Trane, Rheem, Ruud, and Lennox, they can recommend and install equipment suited to Northern Virginia's humid summers and variable winters. Their website promotes specific services like same-day water heater installation, a $49 heating tune-up special, and blower wheel cleaning to prevent system degradation. The company backs workmanship with a service guarantee and offers a maintenance program that includes two annual HVAC inspections, a free plumbing safety inspection, and a 15% repair discount for enrolled members.
Customers repeatedly mention individual technicians by name in their five-star reviews. Adam Kemp earned specific praise for walking a homeowner through every step of a water heater replacement, while Sid was commended for installing four toilets in one visit without disrupting the home and providing honest recommendations for future upgrades. When Jose, Carlos, and Manny replaced an entire HVAC system, they managed thermostat wiring and cable runs with what the reviewer called rare attention to detail. This pattern of named technicians delivering specific solutions, whether it's Nick explaining HVAC diagnostics or Sidney handling bathroom plumbing, appears consistently across reviewer feedback.
What Customers Say
Nearly 3,000 reviews yield a 4.9-star average, with technicians named in dozens of five-star reviews including Adam Kemp (water heater), Sid (toilets), and Jose with his crew (full HVAC replacement). Customers specifically praise on-time arrival, clear explanations, and thorough cleanup after each job.
Working Hours
| SundayToday | Open 24 hours |
| Monday | Open 24 hours |
| Tuesday | Open 24 hours |
| Wednesday | Open 24 hours |
| Thursday | Open 24 hours |
| Friday | Open 24 hours |
| Saturday | Open 24 hours |
Services
Heating Repair & Installation
Furnace and heat pump services including same-day repairs, new installations, and brand options through Trane, Rheem, Ruud, and Lennox.
Air Conditioning Services
AC repair, installation, and maintenance with same-day service availability and indoor air quality solutions.
Plumbing & Water Heaters
Full plumbing repairs, drain and sewer service, and same-day water heater installation for standard residential tank units.
Toilet & Fixture Installation
Professional installation of toilets, faucets, and fixtures with cleanup and honest recommendations for upgrades.
Preventive Maintenance Program
Annual HVAC inspections, plumbing safety checks, 15% repair discount, and extended repair warranty for enrolled members.
Blower Wheel Cleaning
Professional cleaning service to improve airflow, reduce energy waste, and prevent costly system damage.