Heat pumps have been around for a long time, providing energy-efficient heating and cooling to homes across the country — but how do they work? Learn that and more in this updated 2025 Heat Pump 101 Guide.

Zero Homes earned ACCA’s Powered by Manual J® approval—making its digital platform the first fully remote system to deliver compliant HVAC sizing, savings modeling, and retrofit planning.

Zero Homes took top honors in the Triple Decker Innovation Competition, validating the usability and impact of its residential electrification design platform broadly.

Zero Homes initiates its MassCEC Decarbonization Pathways Pilot to test its digital platform for streamlined whole‑home electrification design and implementation in Massachusetts.

Zero Homes was selected among 99 applicants to pilot low‑carbon, healthy retrofit solutions in partnership with Saint‑Gobain and MassCEC via its electrification platform.

Competing among 180+ startups at EarthX in Dallas, Zero Homes earned second place for its innovative residential electrification platform pitched to over 2,600 attendees.

Zero Homes secures a MassCEC Catalyst grant to accelerate development of its automated electrification planning platform streamlining retrofit design and quoting for Massachusetts homeowners.

Zero Homes’ founder and CEO, Grant Gunnison, is selected for NREL’s inaugural West Gate cohort, gaining mentorship, technical support, and funding to accelerate the company’s home electrification platform.

Zero Homes partners with the city of Los Altos Hills to decarbonize roughly 3,000 homes by 2030 via virtual assessments and all‑electric system upgrades tailored to accelerate climate action goals.