Making energy-efficient homes the standard, not the exception
We believe every homeowner deserves access to trusted professionals who can make their home more comfortable, efficient, and sustainable.
Why energy retrofits matter
Buildings account for nearly 40% of global energy consumption. Most homes lose enormous amounts of energy through poor insulation, outdated heating systems, and single-glazed windows.
Retrofitting existing homes is one of the most impactful things we can do for the climate — and for homeowners' energy bills. But the process of finding reliable contractors, comparing quotes, and navigating the options has historically been confusing and fragmented.
That's why we built A Co. We're creating a single, trusted marketplace where homeowners can find vetted professionals for every type of energy upgrade — from insulation to solar panels to whole-home retrofits.
What guides everything we do
Trust First
Every contractor on our platform is rigorously vetted. We check licenses, insurance, references, and past work quality before anyone gets listed.
Impact Driven
Every retrofit we facilitate reduces carbon emissions and energy waste. We measure our success by the collective impact of our community.
Simplicity
Home retrofits shouldn't be complicated. We've designed every step of the process to be clear, straightforward, and stress-free.
Transparency
No hidden fees, no surprises. You see exactly what each contractor offers, at what price, and with what guarantees.
The people behind A Co
We're a small but growing team passionate about energy efficiency and making home upgrades accessible.
Coming Soon
Founder & CEO
Coming Soon
Head of Operations
Coming Soon
Head of Contractor Relations
Join us in building a more efficient future
Whether you're a homeowner looking to upgrade or a contractor wanting to grow, we'd love to hear from you.