We Use Cookies

We use cookies to enhance the security, performance, functionality and for analytical and promotional activities. We use cookies to personalize ads for you. By continuing to browse this site you're agreeing to our Privacy Policy

Filter by

Pricing range

$216

$2,616

Pricing

Store

Condition

Filter by brand

Other

Tankless water heaters Deals in Canada

Today's best

deals, discounts, and offers

10 deals found

Sort by:

Deals are available from 1 stores and 6 brands. An additional discount is available for 4 items. Last updated on July 20, 2025.
Rheem 240V 2 Heating Chambers RTEX-18 Residential Tankless Water Heater, Small Grey
Rheem 240V 2 Heating Chambers RTEX-18 Residential Tankless Water Heater, Small Grey
Rheem 240V 2 Heating Chambers RTEX-18 Residential Tankless Water Heater, Small Grey
New
Free Shipping
View Deal
Rheem 11kW 240V Tankless Electric Water Heater
Rheem 11kW 240V Tankless Electric Water Heater
Rheem 11kW 240V Tankless Electric Water Heater
New
Free Shipping
View Deal
Tankless Water Heater, Gasland BE158 1.58GPM 6L Outdoor Portable Gas Water Heater, Instant Propane Water Heater, Overheating Protection, Easy to Install, Use for RV Cabin Barn Camping Boat, White
20% Off
Tankless Water Heater, Gasland BE158 1.58GPM 6L Outdoor Portable Gas Water Heater, Instant Propane Water Heater, Overheating Protection, Easy to Install, Use for RV Cabin Barn Camping Boat, White
Tankless Water Heater, Gasland BE158 1.58GPM 6L Outdoor Portable Gas Water Heater, Instant Propane Water Heater, Overheating Protection, Easy to Install, Use for RV Cabin Barn Camping Boat, White
New
$269.99
Free Shipping
View Deal
RINNAI RX199iN Condensing Tankless Water Heater RX199 Features 0.96 UEF with 199k BTU.
22% Off
RINNAI RX199iN Condensing Tankless Water Heater RX199 Features 0.96 UEF with 199k BTU.
RINNAI RX199iN Condensing Tankless Water Heater RX199 Features 0.96 UEF with 199k BTU.
New
$2,966
Free Shipping
View Deal
Tankless Water Heater Electric 18kW 208~240 Volt, ThermoMate On Demand Instant Endless Hot Water Heater, Digital Temperature Display Easy Installation, for Residential Whole House Shower, 76A Gray
19% Off
Tankless Water Heater Electric 18kW 208~240 Volt, ThermoMate On Demand Instant Endless Hot Water Heater, Digital Temperature Display Easy Installation, for Residential Whole House Shower, 76A Gray
Tankless Water Heater Electric 18kW 208~240 Volt, ThermoMate On Demand Instant Endless Hot Water Heater, Digital Temperature Display Easy Installation, for Residential Whole House Shower, 76A Gray
New
$549.99
Free Shipping
View Deal
RINNAI RXP199iN Condensing Tankless Water Heater RXP199 Features 0.96 UEF with 199k BTU and Pump.
RINNAI RXP199iN Condensing Tankless Water Heater RXP199 Features 0.96 UEF with 199k BTU and Pump.
RINNAI RXP199iN Condensing Tankless Water Heater RXP199 Features 0.96 UEF with 199k BTU and Pump.
New
Free Shipping
View Deal
GASLAND Outdoors BS158 1.58GPM 6L Portable Gas Water Heater, Propane Tankless Water Heater,RV Camping, Overheating Protection, Easy to Install
GASLAND Outdoors BS158 1.58GPM 6L Portable Gas Water Heater, Propane Tankless Water Heater,RV Camping, Overheating Protection, Easy to Install
GASLAND Outdoors BS158 1.58GPM 6L Portable Gas Water Heater, Propane Tankless Water Heater,RV Camping, Overheating Protection, Easy to Install
New
Free Shipping
View Deal
FOGATTI RV Tankless Water Heater, InstaShower 8 Plus, Gen 2, with 15 x 15 inches White Door and Remote Controller, DC 12V, Best High Altitude Performance, Ideal for RVers' Everyday Use
FOGATTI RV Tankless Water Heater, InstaShower 8 Plus, Gen 2, with 15 x 15 inches White Door and Remote Controller, DC 12V, Best High Altitude Performance, Ideal for RVers' Everyday Use
FOGATTI RV Tankless Water Heater, InstaShower 8 Plus, Gen 2, with 15 x 15 inches White Door and Remote Controller, DC 12V, Best High Altitude Performance, Ideal for RVers' Everyday Use
New
Free Shipping
View Deal
Tankless Water Heater, GASLAND Outdoors BE158B 1.58GPM 6L Portable Gas Water Heater, Instant Propane Water Heater, Overheating Protection, Easy to Install, Use for RV Cabin Barn Camping Boat, Black
Tankless Water Heater, GASLAND Outdoors BE158B 1.58GPM 6L Portable Gas Water Heater, Instant Propane Water Heater, Overheating Protection, Easy to Install, Use for RV Cabin Barn Camping Boat, Black
Tankless Water Heater, GASLAND Outdoors BE158B 1.58GPM 6L Portable Gas Water Heater, Instant Propane Water Heater, Overheating Protection, Easy to Install, Use for RV Cabin Barn Camping Boat, Black
New
Free Shipping
View Deal
Ranein Electric Tankless Water Heater, 11Kw 240v, On Demand Instant Water Heater with CSA Certification, IPX4 Waterproof, LED Temperature Display for Bathroom, Self Modulating Energy Saving Save Space
7% Off
Ranein Electric Tankless Water Heater, 11Kw 240v, On Demand Instant Water Heater with CSA Certification, IPX4 Waterproof, LED Temperature Display for Bathroom, Self Modulating Energy Saving Save Space
Ranein Electric Tankless Water Heater, 11Kw 240v, On Demand Instant Water Heater with CSA Certification, IPX4 Waterproof, LED Temperature Display for Bathroom, Self Modulating Energy Saving Save Space
New
$279
Free Shipping
View Deal
bestdeals.today is customer-supported. When you buy products through our site, we may earn an affiliate commission on featured products.