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Residential HVAC Services

Warner Service provides expert residential heating, cooling and plumbing services for jobs of all sizes and circumstances, including emergencies.

Family-owned and operated for three quarters of a century, Warner Service has helped homeowners across the Frederick County and Hagerstown, Maryland areas, West Virginia and Southern Pennsylvania solve their HVAC and plumbing issues with skill and great pride.

When you reach out to us you’ll always talk with a real person. And when it comes time for your service, repair or installation visit, you’ll find our HVAC and plumbing technicians are courteous and knowledgeable and our flat, “no surprise” rates fair and easy to understand.

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HVAC Services

We can handle any repair, installation or service request quickly and with no nonsense, upfront pricing.



Hot & humid Mid-Atlantic summers require high-functioning AC. If your system isn’t doing its job, we can help with any issue and brand.


Heating Systems

Keep the bitter bite of winter at bay. Our HVAC techs are ready to help resolve your heating issue fast.


Heat Pumps

Poor performance drives up energy bills and creates discomfort. Let us help you maintain optimal temps year round.


Forced Air Furnaces

A high functioning furnace is crucial to a comfortable home. We can repair or replace any system type out there.


Radiant Heat Systems

Floors cool in some spots, warm in others? We can fix that, too.


Hot Water & Steam Boilers

Home heating isssues? We can help with any hot water or boiler system.


Humidifiers & Thermostats

Too little or too much moisture in the air? House seem too hot or too cold despite the reading? Air quality maintenance and energy efficiency…right up our alley.


Air Duct Cleaning

Allergies flaring? Some rooms too hot while others are cold? Professional duct cleaning can make a big difference.


Electronic Air Cleaners

Want to reduce allergens and bacteria in your home? Our skilled technicians can repair or install whole house air cleaners.


HEPA Air Cleaners

Looking to help improve air quality throughout your home? We can install a High Efficiency Particulate Air (HEPA) system to make it happen.


UV Light Systems

Ultra violet light systems help purify your home’s air by eliminating harmful build up in your HVAC system. Our technicians are ready to help.


Energy Recovery Ventilators

If you live in an airtight, energy efficient home, ERVs can help provide you with needed fresh air. We can help with ERVs as well.

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Serving Maryland, Virginia, Pennsylvania and West Virginia's HVAC and Plumbing Needs for 80 Years and Counting
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