DNR Services is a family-owned mechanical contractor located in Harrisburg, PA with over 13 years of experience. We strive to serve our customers with honesty, integrity and respect, while maintaining a focus on relationship building. Services include: HVAC, plumbing, and electrical.

Protect What Matters with DNR Services

Looking for trusted Air Conditioning Contractor services in Hummelstown? DNR Services is your local expert for alarms, surveillance, access control, and more. Whether you're securing your home or business, get help from pros who know how to keep you safe. Fast. Simple. No pressure.

Fast. Easy. Hassle-Free.

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Expert Security Tips & Insights

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How to Make Smart Home Tech Work for You (Not Against You)

June 26th, 2025

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