Lochinvar’s CREST Condensing Boiler line now has six models ranging from 750,000 to 2 million Btu/h optimized for outdoor commercial installations. The more compact units offer significant space-saving for large public and commercial facilities like school systems, universities and libraries. The option to install the unit outside adds more than 200 usable square feet to any space. These models also feature a 96 percent thermal efficiency rating. The models come standard with the CON•X•US remote connectivity platform, which allows commercial facility managers and building owners to monitor and adjust equipment controls from a mobile app available on most smart devices. As many as eight CREST boilers can be cascaded together for redundancy to provide reliable performance, even if units are offline for maintenance. 615-889-8900; www.lochinvar.com.