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About this business
Allied Services, Inc. is an HVAC business serving Dayton, Ohio, and the surrounding areas. Established in 1955, Allied Services, Inc. provides comprehensive heating and cooling system installation, maintenance, and repair services. Allied Services, Inc. offers specialized service plans including Diamond and Gold plans to support ongoing system care. Allied Services, Inc. employs qualified and certified professionals to assist with geothermal heating and cooling solutions as well. The business operates locally with a focus on service HVAC services tailored to residential and commercial needs.
Hvac Contractor
Services
Services and categories listed for this business.
Heating System InstallationHeating System ServiceHeating System RepairCooling System InstallationCooling System ServiceCooling System RepairGeothermal Heating & CoolingAllied Total Care Service PlansDiamond Service PlanGold Service Plan
My carbon monoxide detectors went off. I was terrified. Nick showed me my units were way past use dates and that the type of alarm was not for a problem. That if there was a problem the alarm would not stop at all. I learned so much about how to use the detectors and what the different alarms meant!!
D
David Mace
Jan 16, 2026
★★★★★5.0
Troi delivered an outstanding HVAC maintenance service from start to finish. His attention to detail was exceptional, and he took the time to thoroughly inspect every part of my system to ensure it was running at its best. On top of his technical expertise, his professionalism and customer service were truly top‑tier. It’s rare to find someone who combines skill, care, and genuine courtesy so seamlessly. I couldn’t be more impressed with the experience.
K
Keith Wardle
Nov 7, 2025
★★★★★5.0
Allied Services installed a new HVAC system for me several years ago. The system has worked perfectly. The service has always been superior.
Just had the winter furnace service. The technician did a very thorough check of
the system. Troi was very courteous and made sure he left everything clean. Thank You!!
J
Jan Kiwacka
Jan 7, 2026
★★★★★5.0
Allied does a twice year maintenance on our geothermal system. They installed it in 2000. Always professional, knowledgeable and helpful. Nick did a great job of explaining issues and took care of all in an efficient manner. Their staff is always friendly and explain everything they do and recommend. Would not use any other company
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