Reservoir raises $8M for smart heat pump water heaters

A Boston startup is securing funding to commercialize internet-connected water heaters that can shift electricity demand and reduce grid strain while predicting usage and detecting leaks.

First covered Aug 12, 2026 · 2:00 AM PT · 2 articles · no longer in the live window

Reservoir raises $8M for smart heat pump water heaters — Image via heatmap.news

Coverage

45d TechCrunch Climate Reservoir raises $8M to make water heaters that people — and the grid — will actually want — Reservoir has built an ultra-efficient water heater that can predict hot water demand, store energy, and detect plumbing leaks throughout a home.

45d Heatmap News We’ve Got Sexy Heat Pumps. Now It’s Time for Sexy Water Heaters. — There are plenty of ways to leverage everyday household appliances to shift electricity demand and free up capacity on the grid.

Primary sources

reservoirhome.com Reservoir | Install & Service — cited by 2 of the outlets above

eia.gov Index (eia.gov)

More coverage from around the web

passivehouseaccelerator.com Component Spotlight Recap: Rethinking Domestic Hot Water with Reservoir Home

passivehouseaccelerator.com Reservoir | Passive House Accelerator

passivehouseaccelerator.com Reservoir Makes Domestic Water Heating Even Smarter with Home Sync

passivehouseaccelerator.com Reimagine Your Water Heater with Reservoir

reservoirhome.com Heat Pump Water Heaters 101

Discussion

Bluesky: @kbrigham.bsky.social Katie Brigham · 45d ago · 3 ♥ the only thing making me ever want to be a homeowner is the possibility of installing these sexy appliances @kbrigham.bsky.social @heatmap.news:

Appeared in: 2026-08-12 (#6) · 2026-08-13 (#18)

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