Reservoir is the highest output, highest efficiency water heater on the market.

Reservoir is a direct replacement for most water heaters and designed to fit in most places.

CAPACITY & EFFICIENCY

Capacity

Tank Nominal Size: 47 gal
First Hour Rating: 84 gal¹

Adaptive Mode: dynamic capacity
Party Mode: 150 gal

¹ Based on EnergyStar testing parameters. Final results pending.


Max Efficiency

Up to 4X vs standard electric

Up to 6X vs gas tank

POWER & DATA

Power

240V


Heating Elements

Ultra-efficient Heat Pump

Incoloy 800 Stainless Electric Element (x2)

Incoloy 800 Stainless Boost Heater

Data

Data: Wi-fi

Update: Over the air (OTA)

DIMENSIONS

Height: 65.5" (1.66m)

Width: 24.8" (0.63m)

Depth: 22.8" (0.58m)

HYDRONIC CONTROLS

Condensate pump: Integrated

Flow sensor: Ultrasonic

Recirculation: Integrated

Leak shutoff: Automatic

Scald protect: Thermostatic mixing

WARRANTY

10 year hardware warranty

2 year labor warranty, extendable with service plan

Direct replacement

for most water heaters.

Direct replacement

for most water heaters.

Direct replacement

for most water heaters.

We make it easy to upgrade.

Get your house a Reservoir.

We make it easy to upgrade.

Get your house a Reservoir.

We make it easy to upgrade.

Get your house a Reservoir.

Join the Reservoir Waitlist

Join the Reservoir Waitlist

Join the Reservoir Waitlist

FAQ

Product

Why should I care so much about my water heater?

How can Reservoir have more features and higher efficiency?

Does Reservoir have a heat pump?

Does Reservoir help prevent water damage?

What harmful bacteria does Reservoir prevent?

Does the No-Wait Shower save water?

How does Reservoir prevent its tank from corroding and failing?

Why should I care so much about my water heater?

How can Reservoir have more features and higher efficiency?

Does Reservoir have a heat pump?

Does Reservoir help prevent water damage?

What harmful bacteria does Reservoir prevent?

Does the No-Wait Shower save water?

How does Reservoir prevent its tank from corroding and failing?

Why should I care so much about my water heater?
How can Reservoir have more features and higher efficiency?
Does Reservoir have a heat pump?
Does Reservoir help prevent water damage?
What harmful bacteria does Reservoir prevent?

Operation

What are the different modes I can use with Reservoir?

Can I operate Reservoir without the Reservoir Home app?

Is Reservoir quiet? How does it compare to other appliances?

Does Party Mode use more energy?

Can I sync Reservoir with my solar panels?

Can Reservoir use my utility’s time of use electric rates to lower my bill?

Will Reservoir cool or dehumidify my space?

What are the different modes I can use with Reservoir?

Can I operate Reservoir without the Reservoir Home app?

Is Reservoir quiet? How does it compare to other appliances?

Does Party Mode use more energy?

Can I sync Reservoir with my solar panels?

Can Reservoir use my utility’s time of use electric rates to lower my bill?

Will Reservoir cool or dehumidify my space?

What are the different modes I can use with Reservoir?
Can I operate Reservoir without the Reservoir Home app?
Is Reservoir quiet? How does it compare to other appliances?
Does Party Mode use more energy?
Can I sync Reservoir with my solar panels?

Installation

When is Reservoir available? Why are you starting your first installs in Boston?

Does Reservoir qualify for any incentives?

What water heaters can Reservoir replace?

Where can Reservoir be installed? How much space do I need?

Why do you include installation in your price when other companies don’t?

When is Reservoir available? Why are you starting your first installs in Boston?

Does Reservoir qualify for any incentives?

What water heaters can Reservoir replace?

Where can Reservoir be installed? How much space do I need?

Why do you include installation in your price when other companies don’t?

When is Reservoir available? Why are you starting your first installs in Boston?
Does Reservoir qualify for any incentives?
What water heaters can Reservoir replace?
Where can Reservoir be installed? How much space do I need?