To provide accurate, honest, value-driven HVAC services to the light commercial and residential marketplace.


John Hamblin

After just a few years of independent operations in Anne Arundel County, Fixed! HVAC Services is earning a reputation of a quality HVAC contractor that provides their customers high value and assurance that their work has been done optimally and at a fair price.

Fixed! HVAC Services is owned and operated by John Hamblin in Gambrills, Maryland. John has over 17 years of experience in the field. He graduated with honors from Montgomery College and the Homer Guldeski Institute. John also has many specialty certifications from Trane, Carrier, Liebert, Johnson Controls, and other manufacturers that ensures you’re working with someone with a high skill level in your system.​


In addition to the more prevalent heating, air conditioning, ventilation and air purification services used by home owners and commercial organizations, John has experience working on a wide variety of equipment and building systems, including:

  • Hydronics
  • Low Pressure Steam
  • Air Cooled and Water Cooled Equipment
  • Small and Medium Tonnage Chillers
  • Boilers
  • Pumps
  • VFDs
  • Cooling Towers
  • Control Systems
  • Heat Pumps