Heat Pumps for New Construction

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Heat Pumps for New Construction ( heat-pumps-new-construction )

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Modulate heating & cooling to match load Instead of 110-degree blast, modulated operation maintains comfort continuously Both indoor and outdoor units are quiet Equipment has long lifespan Can be 60% or more efficient (SEER Rating) The 2019 CA Energy Code (Title 24, Part 6) will offer compliance credit for VCHPs Variable capacity heat pumps (VCHP): • Qualify for heating and cooling credit with energy code modeling. • Have an inverter-driven compressor or a variable capacity compressor. • Can “ramp up” or “ramp down” more efficiently, reducing “cycling” of the compressor at part-load conditions. (In contrast, old-school single-speed or two-speed heat pumps have limited modes of operation: on or off.) • Use an inverter-driven compressor, an electromagnetic piston to drive the expansion valve, and an ECM fan motor. • Continuously modulate heating or cooling delivery in reaction to the indoor and outdoor conditions. • Boast an energy-efficiency advantage of 60% or more, compared to single- or two-speed heat pumps. The VCHP compliance credit is ready for use and incorporated into the current versions of CBECC-RES and Energy Pro software. The credit is fairly impressive – an average 5.3 EDR (Energy Design Rating) points, or 10%! Variable Capacity Heat Pumps PROPERTY OF SOUTHERN CALIFORNIA EDISON, 2020. DO NOT ALTER. 39

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