Now that fall is officially here, it’s time to prepare your home for cold weather. These steps, most of which you can do yourself, will help lower your utility bills and protect your investment.

There are two types of water heaters:

Tank water heaters (called storage water heaters): these are the kind of water heaters in the US that we commonly see in our basement or garage. These heaters heat water relatively slowly and then store the hot water in a large tank from which hot water may be drawn as needed.
Tankless water heaters or On-demand water heaters, on the other hand, heat water directly as the water passes through the tankless gas or electric heater without using a storage tank.
For about $80 to $100, a technician will inspect your water heaters or heat pump to be sure the system is clean and in good repair, and that it can achieve its manufacturer-rated efficiency. The inspection also measures carbon-monoxide leakage.
Tankless water heaters heat water directly without the use of a storage tank. When a hot water tap is turned on, cold water travels through a pipe into the unit. Either a gas burner or an electric element heats the water. As a result, tankless water heaters deliver a constant supply of hot water. You don’t need to wait for a storage tank to fill up with enough hot water. However, a tankless water heater’s output limits the flow rate.
A tankless water heater heats water through electric heating elements, and controls the temperature, flow rate or power, etc through the circuit, so as to get the suitable temperature for showering or other uses. Are you looking for the best tankless water heater? Trying to decide if a tankless water heater is worth the cost?

Here are our suggestion:

Rheem 240V 2 Heating Chambers RTEX-18 Residential Tankless Water Heater, small, GREY

  • External digital thermostatic control with LED display (+/1 degree accuracy)
    Most advanced self-modulation, adjust power to meet hot water demand
    Durable Copper immersion two heating elements, field Serviceable. Flow Rate- up to 4.4 GPM
    Simple installation – bottom 3/4 inch NPT water connections
    Threaded for easy replacement, simple installation, digital temperature display
Rheem 240V Heating Chamber RTEX-13 Residential Tankless Water Heater
  • External adjustable digital thermostatic control with LED display (+/1 degree accuracy
    Durable Copper immersion two heating elements, field Serviceable. Self-modulating power control
    Simple installation – 3-foot electric cable and 1/2 NPT adapters included; side 1/2 inch Compression water connections
    99.8% energy efficient. External controls to adjust the temperature in increments of 1°f. Water-Saver Shower Head – 1.5 GPM
    Threaded for easy replacement, simple installation, digital temperature display  54 A

Typically, tankless water heaters provide hot water at a rate of 2–5 gallons (7.6–15.2 liters) per minute. Gas-fired tankless water heaters produce higher flow rates than electric ones. Sometimes, however, even the largest, gas-fired model cannot supply enough hot water for simultaneous, multiple uses in large households. For example, taking a shower and running the dishwasher at the same time can stretch a tankless water heater to its limit. To overcome this problem, you can install two or more tankless water heaters, connected in parallel for the simultaneous demands of hot water. You can also install separate tankless water heaters for appliances — such as a clothes washer or dishwater — that use a lot of hot water in your home.

InSinkErator H-HOT150SN-SS Invite Hot150 Single Handle Instant Hot Water Dispenser, Satin Nickel

Includes Satin Nickel finish instant hot water dispenser and 2/3-gallon stainless steel hot water tank; Delivers up to 60 cups/hour of steaming hot water
Delivers near-boiling water with easy-to-adjust temperature control. Adjustable temperature from 160-210 Degree Fahrenheit
Tool-free tank connections and dry-start protection to ease installation. Spout height is 6.25 inches and spout reach is 5.38 inches
Ideal for instantly preparing hot coffee, tea, and other food, cleaning dishes, warming baby bottles, and so much more
Exclusive 1-Year We Come to You In-Home Full Service Limited Warranty; That means we come to you if your water dispenser needs service within the warranty period.

EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology

  • Lifetime warranty
    Save up to 60-percent on your water heating cost with an ECOSMART electric tankless water heater
    Never run out of hot water with an ECOSMART tankless water heater
    Patented Self Modulating Technology and design
    ECOSMART tankless water heaters are 99.8-percent energy-efficient. Uniform Energy Factor:0.98

Why are tankless water heaters more efficient?

Comparing tankless versus storage water heaters, Storage water heaters may have a lower initial cost but a higher lifetime cost, although this is less true now that water heaters often have strict emissions limitations that raise the out-the-door cost. Tankless water heaters typically have a life expectancy of 20 years or more, whereas storage water heaters typically last 10 to 15 years.

EcoSmart ECO 27 Electric Tankless Water Heater, 27 KW at 240 Volts, 112.5 Amps with Patented Self Modulating Technology

  • Savings of up to 50% on water heating costs. Dimensions :17H x 17W x 3.625D inches ;Pipes fittings :3/4 inch NPT
    Digital temperature control in 1-degree increments allows control of hot water; Activation Flow: 0.3 GPM
    Copper and stainless components designed for efficiency, durability and easy replacement.
    Compact size saves valuable storage space, while the stylish and advanced design is pleasing to the eye and Copper and stainless components designed for efficiency, durability and easy replacement.
    Prior to purchase & installation, please verify that this model is the right size for your hot water needs and electrical requirements. Electrical requirements: 27 kW, 240 volts, (3) 40 required breakers, 112.5 maximum power (AMP), (3) 8 required wire.Amperage Draw:113 A
    Required Breaker Quantity: Three 40 Amp Double Pole
    Recommended Electrical Panel: 200 Amps
    NEVER run out of hot water with an ECOSMART tankless water heater.
    Save up to 12 cubic feet of storage space.
    Digital temperature control in 1-degree increments gives users complete control of hot water

Bosch Electric Mini-Tank Water Heater Tronic 3000 T 2.5-Gallon (ES2.5) – Eliminate Time for Hot Water -Shelf, Wall or Floor Mounted

  • CONVENIENT HOT WATER HEATER: 2.5-gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it. Thermal efficiency is 98%. Dimensions : 13.75 W x 13.75 H x 10.75 D Inches
    LONG-LASTING QUALITY: This electric water heater is easy to maintain and has premium glass-lined material for long service life. (Amps 12A, Volts (VAC) 120)
    INDEPENDENT INSTALLATION: 36-37″ cord plugs into a 120-volt outlet for independent installation or in-line with a large hot water source
    FAST RECOVERY RATE: Eliminateslong waits for hot water at your sink, get on-demand hot water at your every need (supplies up to 2 sinks at a time)
    EASILY MOUNTED: Can be shelf, wall or floor mounted (bracket included); simply tap into the cold water line and install the water heater directly at the sink to provide hot water