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HVAC Resources

Helping Homeowners Better Understand Their HVAC Systems

The phrase “knowledge is power” exists for a reason, and our team at Farnen & Dermer understands that the more you know about your heating and cooling systems the more reliable they’ll be. As a local, family-owned business, we want to ensure that families throughout Owings Mills and surrounding areas are getting the most out of their systems, so we are sharing some useful resources to help.




Our Mission is Your Comfort

Why Farnen and Dermer?
  • Family Owned and Operated
  • Available 24/7- Same Day Service
  • 100% Satisfaction Guaranteed
  • Straight Forward Pricing, No Surprise Fees
  • Experienced and Trained Technicians
  • Proudly Serving Maryland Since 1902

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