Build and retrofit your HVAC solution with a savings guarantee you can bank on. Together, we establish the actual or planned performance of your existing chiller plant installation or design, respectively. From there, we determine and agree upon the energy and cost savings you can expect when using Armstrong Design Envelope control systems.

During the first year of operation, should your savings fall short of prediction, we pay you three times the difference - up to $100,000(US)! No other HVAC partner gives you that confidence.

Learn more about our $100,000(US) Savings Guarantee

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All the parts you need to keep your systems running perfectly.

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Design Envelope

Design Envelope technology enables the greenest, most flexible and most cost effective fluid-flow and HVAC systems on the planet – resulting in both, lowest installed and lowest operating cost with the same equipment.