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I was thinking about how we’ve grown so used to central heating and, with the exception of an occasional cleaning, pretty much ignore our boilers and heating systems when the weather gets hot and sticky. I wondered if it had always been this way...

The 6-, 8-, 12-, 14-, 16-, and 24-ton VRF heat pump systems feature inverter compressor technology with highly efficient heating function down to minus 13°F ambient air temperature due to scroll compressor and liquid-injection technologies. 

In addition to the final determination stating that the DOE will now regulate portable air conditioners, the agency also issued new rules for test procedures for portable air conditioners and is currently developing energy conservation standards for these units.

Mark Kuntz, senior vice president, Mitsubishi Electric US Cooling & Heating Division, shares with our HVAC contractor readers the ductless technology trends he is seeing from a manufacturer’s perspective and what contractors can do to sell the product.

Industry figures are estimates that are derived from the best available figures supplied by a sample of AHRI member companies. 

These single-package rooftop units are available in 50- to 65-ton cooling capacities. The units offer double-wall construction, single-point power connection, and efficiency ratings that exceed ASHRAE 90.1 standards. 

New York and California recently made headlines when they became the first states in the nation to adopt plans to raise their statewide minimum wage rates to $15 per hour. The controversial legislation has drawn a myriad of comments from political parties, workers, and business owners, including HVAC contractors.

This addition to the Champion Direct Replacement rooftop solution features advanced controls and an optional Mobile Access Portal (MAP) Gateway and fault detection and diagnostics (FDD).