Alliance Trade Services

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Claim This BusinessAbout Alliance Trade Services
Alliance Trade Services operates as an HVAC contractor serving Upper Marlboro and surrounding Maryland communities including Brandywine, Clinton, and Waldorf. The company maintains a pristine 5.0-star rating compiled across 33 customer reviews, reflecting consistent service delivery that homeowners in the region have come to rely upon. Operating around the clock seven days a week, the team responds to heating and cooling emergencies whenever they arise, ensuring residents lose no sleep over climate control failures regardless of the hour. Customer feedback indicates the business handles replacements, repairs, and maintenance for residential systems throughout Prince George's County.
Several distinguishing practices emerge from client testimonials. Technicians demonstrate initiative beyond standard installation protocols, with one reviewer noting the crew constructed a custom platform to elevate a new indoor unit within a crawlspace, an accommodation that addressed potential moisture concerns yet had not been requested. The team also assists clients with utility rebate documentation, streamlining the paperwork process for energy credit applications. Service calls wrap with thorough explanations, ensuring homeowners understand the work performed and the reasoning behind recommended repairs.
Names surface repeatedly across reviews, establishing consistent teams rather than rotating dispatch. Teddy McKenzie manages projects and coordinates communications, while technicians including John, Jim, Keyshawn, and others execute installations and repairs. One reviewer described an urgent same-day call for heating failure during cold weather, with Teddy responding quickly and John arriving to resolve the issue. Another account noted a pre-7am arrival for duct cleaning services.Nancy handles scheduling, sending appointment reminders that reviewers described as thorough without pressure.
What Customers Say
Thirty-three reviewers award perfect 5-star ratings, with multiple clients noting same-day emergency response and technicians who explain repairs in accessible terms. Several mention ongoing relationships returning for subsequent seasonal maintenance.
Working Hours
| Sunday | Open 24 hours |
| Monday | Open 24 hours |
| TuesdayToday | Open 24 hours |
| Wednesday | Open 24 hours |
| Thursday | Open 24 hours |
| Friday | Open 24 hours |
| Saturday | Open 24 hours |
Services
HVAC System Replacement
Full system swap with equipment sequencing and custom accommodations for challenging install locations like crawlspaces.
Heating Repair
Emergency diagnosis and repair for furnace and heating system failures, with same-day service availability.
Cooling Repair
AC diagnostics and repair addressing compressor, refrigerant, and airflow issues in residential systems.
Preventive Maintenance
Seasonal tune-ups and inspections aimed at extending equipment lifespan and preventing Emergency failures.
Air Duct Cleaning
Comprehensive ductwork cleaning with vent cover service, sanitizer treatment, and before-and-after photographic documentation.
Energy Credit Processing
Assistance with utility rebate and energy credit paperwork to streamline homeowner reimbursement applications.