Show ProductS 2011 Ahr ExPo Boiler The KWO 500 waste oil-fired boiler from Columbia Boiler Co., services small commercial buildings that require up to 400,000 net Btus (422 000 kJ) of energy for hydronic heating by recycling used motor and hydraulic oil. www.info.hotims.com/33860-514 Heat Recovery Unit The Aquefier R6K heat recovery unit from Doucette Industries is designed to heat domestic hot water using residential air-conditioning or heat pump systems. www.info.hotims.com/33860-672 Fittings E-Z SEAL fittings from Sheet Metal Connectors feature a double-legged EPDM rubber gasket secured in place with a 180° hem that creates an airtight connection, which eliminates the need to caulk. www.info.hotims.com/33860-517 Home Filter The Home IAQ filter from Purafil offers MERV 8 IAQ protection and low pressure drop for residential applications. www.info.hotims.com/33860-521 HVAC Filter 3M Purification offers the Filtrete™ commercial HVAC filter. The MERV A13 minipleat with gasket is used on all outside air intakes and inside air recirculation returns. www.info.hotims.com/33860-654 Thermal Storage Unit Apricus’ thermal storage unit provides a simple, cost-effective solution for solarassisted combination systems. “Plug and play” kits for hot water, space heating and commercial solar thermal allow more places to benefit from solar thermal technology. www.info.hotims.com/33860-503 VISIT AHR BOOTH C2349 VISIT AHR BOOTH C1700 www.info.hotims.com/33860-35 www.info.hotims.com/33860-84 S112 ASHRAE Journal January 2011