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Serving Garden City & Surrounding Areas
Year-Round Comfort Budget-Friendly Special

Oldest Furnace Contest!

Qualifications & Rules

Contest runs from 9/1/22 - 11/30/22.


  • To qualify, you must have a new furnace installed by Diamond Heating & Cooling between 9/1/22 and 11/30/22.
  • The winner will be determined by the age of the unit as it reads on the serial number of the furnace.
  • Winner will receive a refund check in the amount of the furnace install*
  • Winner will be announced via a FaceBook live post on December 1st

*If a full system is installed, winner will only receive a refund check for the furnace portion of the install.



Trustworthy, knowledgeable, professional, reliable, and kind people ... which now, this day and age are somewhat hard to find! Great company! Thanks!
- Silverchix

Cooling & Heating Focused on You

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  • Highly Skilled Service
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  • 20 Years of Experience
    Since 1999, our team at Diamond Heating and Cooling has been committed to customer service.

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