Warner Service
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About Warner Service
Warner Service operates as an HVAC and plumbing contractor serving Frederick, Maryland and surrounding communities including Urbana, Middletown, Walkersville, and Brunswick. The business maintains a 4.8-star average across 558 client reviews, reflecting consistent service delivery in a region known for humid summers and drafty winters. Warner Service offers 24-hour availability every day of the week, a policy that proves essential when furnace failures strike at midnight or AC compressors quit during heat waves.
What distinguishes Warner Service from neighboring contractors is their commitment to background-checked technicians and complimentary estimates on system replacements. The company handles conventional split systems alongside ductless mini-split configurations, boiler conversions, and tankless water heaters. Their plumbing division addresses drain cleaning, water softener installation, and leak detection, allowing homeowners to consolidate service providers rather than juggling separate vendors.
Customer narratives reveal technicians who arrive same-day during crises. One reviewer described a plumber named D'Andre replacing a difficult-access pipe within two hours of a Sunday basement flood. Another recounted Jadet installing a pressure reducing valve and completing a same-day shower replacement during Christmas Eve, mentioning transparent cost discussions before work began. These accounts align with the company's 24/7 operating policy and their stated emphasis on explaining repair scope to clients.
What Customers Say
Every reviewer mentions same-day or emergency response times, with several specifically naming technicians who explained repair options before proceeding. Positive feedback consistently notes punctual arrival and post-work explanations of what was fixed. Pricing appears only once across all reviews and in that instance the reviewer thanked the company for honoring a quote despite complications.
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
AC Repair & Maintenance
Diagnostics, tune-ups, filter changes, and same-day repair for air conditioning systems including older condensers and modern variable-speed units.
Heating System Service
Furnace and boiler repairs, heating tune-ups, and replacement installations covering conventional and steam heating systems.
Plumbing Repairs & Installation
Leak detection, pipe replacement, valve changes, fixture installation, and drain cleaning services for residential properties.
Water Heater Services
Replacement of standard, tankless, and non-standard water heaters including difficult-to-source units for vintage homes.
Drain Cleaning & Snaking
Mechanical drain clearing for clogged sinks, tubs, and main sewer lines using professional-grade equipment.
Emergency Service
24-hour response for HVAC failures, burst pipes, gas leaks, and other urgent situations requiring immediate attention.