Heating Service & Repair

Shamrock HVAC Services’ core business is HVAC repair service Dayton. Our services deliver these tremendous benefits for your building or house:


  • Faster response times
  • Repair work done right the first time
  • Better energy conservation
  • Repairs are monitored by our computerized record keeping
  • Professional, polite and helpful HVAC service technicians


We are truly dedicated to providing you with HVAC service and repairs you can depend on.

Fixing Guy

$90 Heating and Cooling Check

Make sure you are prepared for anything mother nature throws at you! Shamrock HVAC Services offers Heating AND Cooling checks for only $90! With your $90 Heating and Cooling System check, we will send one of our 5-Star Technician’s to your home to inspect your home’s heating AND cooling system to make sure you are prepared whatever mother nature throws at you!

$90 Heating and Cooling Checks

AC Installations

Specializing in residential and commercial branded AC installation in Dayton, Shamrock HVAC Services is dedicated to keeping clients in Maryland and surrounding areas nice and cool. No job is too big or small, and we aim to deliver complete customer satisfaction on every project we undertake. We also offer a wide selection of top air conditioner brands and models at affordable prices to meet your specific needs.

AC Installations

HVAC Preventative Maintenance Contracts

What is the best way to avoid costly HVAC repairs? Not having to make them in the first place.


Shamrock HVAC Services’ comprehensive maintenance program is customized to meet the needs of your facility and budget. Each building and business is unique, so we perform a complete on-site survey of your entire mechanical system and provide you with a written assessment of the condition of your equipment along with photographs.

Preventative Maintenance Contracts


The foundation of Shamrock’s business has been the traditional general construction approach. However, when combined with our preconstruction services, you get the best of both worlds. The value of working withShamrock is our ability to carry a given project from its concept through to its completion. Our capabilities are far reaching. From initial site preparation and general construction services, to fine tuned finishing details, we are able to provide a full spectrum of specialty services to fit your needs.

House Frame