Expert HVAC solutions from our local professional


Our local HVAC company proudly serves the greater Hartly and Dover, DE area

HVAC Installations

Get expert installation services for an efficient and reliable system.

HVAC Repairs

We offer dependable repairs to restore your system’s performance.

Commercial HVAC Services

Maintain a comfortable environment for your businesses.

Facility Maintenance Programs

We offer proactive care to maximize system efficiency.

Your HVAC system is a crucial part of keeping your home or business operating as it should. So, you will need a reliable professional to help you address issues correctly. For over 20 years, the HVAC contractor at Armstrong HVAC has been trusted with jobs in Hartly and Dover, DE and the surrounding areas. We’re known for providing exceptional commercial, residential and industrial services. As a locally owned and operated business, we take pride in delivering reliable, high-quality HVAC solutions tailored to your needs.


Our local HVAC company is committed to excellence, offering attention to detail and superior craftsmanship at competitive price points. Whether you’re managing a large industrial facility or need a reliable solution for your home, we’re here to prioritize your comfort all year round.


Reach out today at 302-382-2886 to learn more.

Preserve the comfort of your home or business

Work with our HVAC contractor in Hartly or Dover, DE and beyond


We offer competitive pricing for peace of mind
Reach out for a free estimate today

Discover all our HVAC service offerings

Our local HVAC company can assist with all sorts of HVAC issues. You should make us your first call for:


  • HVAC installations
  • HVAC repairs
  • Commercial HVAC work
  • Facility maintenance programs


For help with any of the above, talk to our HVAC professional today.

Find out why customers partner with us

When it comes to your HVAC system, you should never settle for subpar service. Our HVAC contractor is the right choice for your project because:


  • We have more than 20 years of experience.
  • We offer free estimates and competitive pricing.
  • We provide comprehensive services from installations to maintenance to repairs.


Your search for reliable HVAC solutions is over. Get in touch with us now.

Contact Us

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Hartly, DE

19953

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(302) 382-2886
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