Business Details
50+ Years
experience
Emergency
services
Open 24/7
always available
Your Trusted HVAC & Plumbing Partner in Frederick, MD
Since 1937, Warner Service has been synonymous with quality, dependability, and integrity in HVAC and plumbing services. As a family-owned business operating for three generations, we prioritize customer satisfaction through honest, transparent service and experienced technicians. Our commitment to excellence is reflected in 24/7 emergency support, free estimates, and rigorous background checks for all employees. With decades of expertise, we deliver efficient heating, cooling, and plumbing solutions tailored to residential and commercial needs. Our reputation as a trusted local leader is built on 80+ years of consistent service, industry certifications, and a focus on innovative, energy-efficient systems.From emergency repairs to full system installations, we combine technical proficiency with personalized care to ensure lasting comfort. Our teams deep knowledge of complex systems like steam boilers and tankless water heaters sets us apart in addressing specialized client requirements. Customer testimonials highlight our promptness, professionalism, and ability to resolve issues without unnecessary callbacks. By maintaining cutting-edge technology and adhering to strict quality standards, we ensure every project meets exacting specifications. Warner Service remains dedicated to evolving with industry advancements while upholding the core values that have sustained us since our founding.
Services
AC Repair
AC Installation
Heating Repair
Plumbing Repair
Emergency Plumbing
Boiler Services
Commercial HVAC
Residential HVAC
Water Heater Replacement
Drain Cleaning
Details
- Year established: 1937
Highlights and features
- We offer 24/7 emergency HVAC and plumbing services for urgent needs
- Family-owned and operated for three generations since 1937
- We provide free estimates on all system replacements and installations
- Our technicians undergo rigorous background checks for client safety
- Our team specializes in complex systems like steam boilers and tankless water heaters
What people say
Prompt service
Professional technicians
Excellent customer service
Reliable solutions
Knowledgeable staff
Services
AC Installation
Our AC installation service provides energy-efficient cooling solutions for residential and commercial properties. We specialize in modern systems like ductless mini-split units and Daikin Fit heat pumps, ensuring optimal comfort and energy savings. With same-day emergency replacements and financing options, we make upgrading your cooling system stress-free while maintaining strict quality standards.
Plumbing Repair
We offer comprehensive plumbing repair services for leaks, clogs, and system failures with 24/7 emergency availability. Our licensed technicians handle water heaters, drain cleaning, and commercial plumbing with precision and care. Customer reviews consistently praise our prompt response times and thorough problem resolution for both residential and business clients.
Boiler Maintenance
Our boiler maintenance plans include annual inspections, efficiency testing, and component cleaning to ensure reliable heating performance. We service both residential and commercial boilers, including specialized steam boiler systems. With technicians trained in legacy systems and modern efficiency standards, we extend equipment lifespan while maintaining safety compliance.
Emergency Plumbing
Available 24/7 for urgent plumbing issues like burst pipes, water leaks, and sewer backups. Our rapid response team arrives within hours equipped to handle complex emergencies. Customers highlight our technicians' professionalism during late-night calls and ability to resolve critical issues with minimal property disruption while explaining all repair steps clearly.
HVAC Maintenance
Our preventive HVAC maintenance plans cover filter replacement, system diagnostics, and efficiency optimization for both residential and commercial clients. Regular tune-ups extend equipment lifespan and prevent unexpected breakdowns. With flexible scheduling and multi-system discounts, we help clients maintain consistent indoor comfort while reducing long-term operating costs.
Questions
What HVAC services do you offer?
We provide full HVAC services including AC repair, heating system installation, boiler maintenance, ductless AC systems, and emergency HVAC support for residential and commercial clients.
Do you offer 24/7 emergency plumbing?
Yes, we provide 24/7 emergency plumbing services for urgent issues like burst pipes, water leaks, and sewer backups with rapid response times across our service areas.
What financing options are available?
We offer financing through Optimus for HVAC and plumbing projects, including special loans for home repairs with low-interest rates and no credit score impact during eligibility checks.
Which areas do you service?
We serve Frederick, Hagerstown, Boonsboro, Brunswick, Emmitsburg, Ijamsville, Middletown, Mount Airy, New Market, Walkersville, Thurmont, Jefferson County, Harpers Ferry, and Carroll Valley.
Do you provide maintenance plans?
Yes, we offer HVAC and plumbing maintenance plans with regular service visits, priority scheduling, and discounts on repairs to help prevent emergencies and extend system lifespan.
What makes your technicians qualified?
Our technicians undergo background checks, receive ongoing training in modern systems, and have extensive experience with complex equipment like steam boilers and tankless water heaters.
Reviews (6)
John Yee
Jun 21, 2022
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Matt Maine was excellent. Very informative, and intelligent. Him, and his apprentice were both very knowledgeable of their field. I would highly recommend Warner service. They left the area cleaner than when they started working on. Services: Water heater repair, Repair water fixtures
Leon Collins
May 24, 2022
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Bathroom shower wouldn't shut off in 2 bathrooms. Techs replaced busted pvc pipe hidden in the walls and replaced shower heads. Both bathrooms work perfectly now. Service: Plumbing pipe repair
Jan Todd
Apr 15, 2022
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Matt Main and his helper Griffin came today to service a sink and a toilet. Besides doing good work, they also took the time to inspect the heating pipes to my boiler. They educated me on the condition of the pipes and 21st century insulation products. Service: Repair water fixtures
Nick Kegley
Mar 25, 2022
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I contacted warner services on a Friday afternoon and was contacted shortly to arrange for someone to come out for a new water heater and to reseat a leaky toilet that I should not have done myself. Matt and Griff came rather quickly and took care of both problems. They cleaned up everything, and you wouldn't even know they were here. This is the second time I have called Warner to assist me with home service needs.
They have always been easy to deal with and actually call back, unlike many providers I have tried to call in the past. I look forward to interacting with them in the future as a homeowner in the Frederick community.
They have always been easy to deal with and actually call back, unlike many providers I have tried to call in the past. I look forward to interacting with them in the future as a homeowner in the Frederick community.
Kristi Mellott
Dec 20, 2021
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They were the only company to come out on Christmas Eve and replace my broken water heater. I would highly recommend them as they were fast, on time, professional and did an amazing job! Service: Boiler installation
Kendra Weese
Dec 05, 2021
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I would recommend this company, they were very responsive. Gary was always responsive and explained everything that was going to be done. Assured me that I would get my furnace repair done as soon as possible and Warner delivered. Bradley and Mason came out to do the install and were very professional and efficient. Bradley took the time to explain to me about the system and even made adjustments to my ductwork to assure that all rooms are properly getting air flow for my heating needs. Thanks again
