Warner Service
Warner Service is a HVAC provider serving Frederick, MD. Rated 4.8★ with 555 Google reviews. See services, review signals, and request a quote.
HVACFrederick, MD
On this page
Company overview
- TradeHVAC
- Service areaFrederick, MD
- Google rating4.8★ (555 reviews)
- Phone(301) 200-9774
- Address217 Monroe Ave, Frederick, MD 21701, USA
Services offered
- installation
- repair
- emergency
Photos
Photos from Warner Service
What customers say
“We’ve had FIVE different companies try to fix our HVAC system over the past few years, and none have come close to the service we received from Warner’s. They are by far the best — their customer serv…”
“The hotwater heater busted in our 1830's home. Warner Service responded immediately to find an atypical heater. They quickly found a compatible one even though they had to travel hours away to get i…”
“Joey and Josiah were very professional and proficient. We needed a new blower motor on one furnace and a new condensation sensor on another one. Joey explained everything very plainly and they got the…”
Key highlights
Strengths
- Highly rated (4.8★ average)
- Large review volume (555 reviews)
Things to ask
- Confirm availability for your area and timeline
- Ask about warranty terms on parts and labor
- Request a written estimate before work begins
- Ask about payment plans or financing
Explore nearby research
Frequently Asked Questions
What services does Warner Service offer?
Warner Service provides: installation, repair, emergency. They serve residential and commercial customers in Frederick, MD.
What is Warner Service's rating?
Warner Service has a 4.8 out of 5 star rating based on 555 Google reviews.
Is this company licensed in Maryland?
All listed providers have a verified Maryland contractor license at time of publication. You can verify on the Maryland Department of Labor — Board of Heating, Ventilation, Air-Conditioning, and Refrigeration Contractors (HVACR Board) lookup at https://www.dllr.state.md.us/cgi-bin/ElectronicLicensing/OP_Search/OP_search.cgi?calling_app=HVAC.
Does Warner Service offer emergency service?
Contact them directly to ask about emergency availability and after-hours service.
How do I request a quote?
Use the CTA below to submit your ZIP. You can message this company alongside two or three other local pros for easy comparison.
Licensing verified 2026-04-23. Reviews refreshed 2026-04-23.
Licensing data: Maryland Department of Labor — Board of Heating, Ventilation, Air-Conditioning, and Refrigeration Contractors (HVACR Board) · Company data: verified business records + Google Business profile
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