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We Provide Premium HVAC Services to Hagerstown, MD

Warrenfeltz Refrigeration Inc has decades of experience performing HVAC services in Hagerstown, MD. From air conditioning repairs to indoor air quality enhancement, our technicians have the ability to keep you cool and happy in your homes or residential property. We’ve built a reputation for honesty, one we’ve maintained since 1969. We also serve towns and cities in Washington County, MD, Franklin County, PA, and Berkeley County, WV.


We Offer a Wide Range of HVAC Services in Hagerstown

Warrenfeltz HVAC & Refrigeration is veteran owned, as well as locally operated. Our technicians are dedicated to quality customer service. We provide service in the following areas.

Air Conditioning

Enhance your property’s resale value and environmental impact by installing a new air conditioning unit. Hagerstown, MD has come to rely on Warrenfeltz Refrigeration Inc for quality, honest air conditioning repair, replacement, and installation.


A faulty furnace can cause your energy bill to skyrocket. As the winter weather hits, it’ll have to work harder and harder to compensate. Rather than suffer from a winter of inefficient heating and high electric or gas bills, contact us today to schedule an appointment for a replacement.

Indoor Air Quality

Pollen, dander, and other allergens can aggravate existing conditions, from asthma to seasonal allergies. Warrenfeltz Refrigeration Inc offers a wide selection of indoor air quality improvement options including filtration, air purification, humidification, and de-humidification.

Contact Us Today

We’re committed to customer service, and to making the HVAC repair, replacement, and installment process as easy for you as possible. When you call us for a service, we give you a precise appointment time and arrive promptly, rather than offering a six-hour window. It’s little things like that, which have earned us the trust of our community. To learn more, contact us today.

Call Today to Schedule Service!