Maintain Year-Round Comfort

Turn to us for AC repairs and more in the hanover area

Keeping your home or business comfortable in Littlestown, Hanover and the surrounding area is essential, and AJB Mechanical Heating and Cooling is here to help. Our air conditioning and water heater services ensure you stay comfortable. We offer repair and installation for a range of systems, including central ACs and tankless water heaters. Our services also include refrigerant checks, thermostat calibration, and energy-efficient upgrades.


We aim to provide you with solutions that enhance your comfort and reduce energy costs. Contact us today to schedule your AC repairs or water heater installations.

A man is working on a refrigerator with a pair of pliers.

How Our Process Works

At AJB Mechanical Heating and Cooling, our approach to AC and water heater services is thorough and customer-focused. We ensure each step is handled with care and precision. Here's what you can expect:


  • Initial assessment and consultation
  • Expert repair or installation
  • System efficiency optimization
  • Regular maintenance options
  • Post-service performance evaluation


Whether you need an AC repair or water heater installation, you'll enjoy a comfortable indoor environment when you hire us.