The Constellation Home Advantage

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When it comes to providing heating, cooling, electrical and plumbing services, Constellation Home is the name Marylanders have trusted for decades. Our extraordinary commitment to our customers is evident not only in the work we perform, but also in our 95% satisfaction rate and the fact that 9 out of 10 customers would refer us to family and friends. No wonder we’re number 1.

We bring a new level of integrity and reliability to every customer relationship by delivering dependable products and incomparable service. You can trust that every Constellation Home professional is trained, licensed and certified to make your home a more comfortable place to live. It’s What We Do.®

On Time. In Uniform. Ready to Do the Job Right.

With more than 400 professional technicians with an average of over 11 years of experience, you can trust Constellation Home to complete every job with the highest level of quality. Every one of our licensed experts adheres to a strict in-house certification program that guarantees their knowledge and ensures their excellence. When you call Constellation Home, you’re getting complete satisfaction—guaranteed.

Experience the Constellation Home Advantage:

  • 100% customer satisfaction guarantee
  • Hundreds of professional, certified technicians
  • Fast, reliable repairs
  • Service on all major brands, regardless of place of purchase
  • 24-hour, 7-day emergency service available

We serve homeowners throughout Central Maryland. To find out if we serve your area, visit our Areas We Serve page.

Areas We Serve

Interested in learning more about the products and installations sold by Constellation Home? Visit our Installations page to view information about the energy-efficient replacements we offer.

Learn More

Request an Estimate

Contact our Sales and Installation teams for a replacement heating & air conditioning system or water heater.


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Get prompt, professional service for your next air conditioning, heating or water heater repair.


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This page is currently under construction.

Everyone needs to make home improvements from time to time and we are no exception. We are currently upgrading our online service scheduling experience, but you can still schedule service by contacting our Customer Care Center. Call 888.243.HOME to schedule service today.