Alliance Air Products
Air Handling Units, Dedicated Outdoor Air Systems (DOAS), Energy Recovery, Fan Coil Units, Packaged Unitary Equipment
Alliance Air Products designs and manufactures custom HVAC equipment for applications that require more flexibility than standard systems can provide. Their product lineup includes air handling units, dedicated outdoor air systems (DOAS), packaged equipment, and mission-critical cooling solutions. What sets Alliance apart is its ability to customize equipment to meet specific project requirements, helping customers solve unique design and performance challenges. With strong engineering support and a focus on quality and reliability, Alliance delivers solutions built for long-term performance.
The Experience Behind Every Recommendation
Behind every equipment solution is Havtech’s own established legacy of commercial HVAC expertise, driven by our decades of experience, extensive project history, and trusted industry relationships.
Product Categories
Products That Fit Your Needs
Multizone & Retrofit Units
Alliance Air Multizone & Retrofit Units are customizable replacement HVAC solutions designed to modernize aging rooftop systems with high-efficiency technologies, lightweight construction, advanced airflow and temperature controls, energy recovery options, and flexible configurations that simplify retrofit installations while improving performance, comfort, and energy savings.
Energy Recovery Technologies
Alliance Air Products Energy Recovery Technologies improve indoor air quality and HVAC efficiency by capturing and transferring heat and moisture through energy recovery wheels, air-to-air heat exchangers, and heat pipes, reducing energy consumption, operating costs, and humidity while extending equipment life.
SCL Series Unit
The Alliance Air Products SCL Series is a semi-custom air handling unit that delivers custom AHU quality and performance with flexible configurations, capacities from 2,000–45,000 CFM, competitive pricing, and reduced lead times for a wide range of indoor and outdoor HVAC applications.
Knock Down Units
Alliance Air Products Knock-Down Units are custom air handling units designed for projects with limited installation access, providing the performance and quality of a fully custom AHU while simplifying transportation, installation, and retrofit applications.
What You Get When You Work With Us
When you work with Alliance Air Products and Havtech, you gain access to highly customized HVAC solutions backed by strong engineering and local support. Our team assists with equipment selection, application guidance, design coordination, and retrofit planning to ensure each system is properly engineered for the project’s specific requirements. We work closely with engineers, contractors, owners, and facility teams to streamline communication and support successful project execution from design through installation. With local expertise across Maryland, Washington, D.C., Virginia, and Pennsylvania, Havtech helps ensure Alliance systems deliver reliable, long-term performance.
Find Your Local Partner
Proudly Representing Across the Region
Havtech partners with manufacturers to deliver innovative solutions across the Mid-Atlantic and beyond. With dedicated regional offices and expert teams, we bring industry-leading products and responsive support closer to you – wherever your projects take place.
368 Commercial Street
Suite 100
Bridgeville, PA 15017
9505 Berger Road
Columbia, Maryland 21046
Call Columbia Service and Sales at (301) 206-9225
24/7 Standard & Emergency Requests: For 24/7 Standard & Emergency Requests, call Columbia Service and Sales at (443) 832-1750
193 Thorn Hill Road
Suite 210
Warrendale, PA 15086
Call Cranberry Township Service and Sales at (412) 468-0133
24/7 Standard & Emergency Requests: For 24/7 Standard & Emergency Requests, call Cranberry Township Service and Sales at (412) 468-1009
Applications and Industries
Designed for the Buildings You Work In
Alliance Air Products solutions are commonly used in data centers, healthcare facilities, commercial buildings, industrial and manufacturing environments, and government and education projects where standard HVAC equipment may not meet complex performance or space requirements. Their custom-engineered systems are built to handle specialized airflow, tight footprints, and demanding operating conditions across a wide range of applications. Whether for new construction or retrofit projects, Alliance delivers flexible solutions designed to support reliable, long-term building performance.
Fast Answers. Full Support. Real Results.
Get expert guidance, responsive service, and the confidence that your HVAC system is built to perform.