Water Heaters

MM Comfort Systems offers a full range of water heater services. Whether your water heater is in need of repair, replacement or just some maintenance, our expert technicians have you covered.

Choosing A Water Heater

water heater infographic
Water Heater

Tank Water Heaters

The most common type of water heater, the tank water heater, uses a large storage tank that keeps large amounts of water heated at all times (usually 50-100 gallons). This makes them capable of keeping up with the high demand for hot water for longer than most other systems. The disadvantage of using a storage-tank water heater is that if you do happen to exhaust the supply of hot water it has on hand, you’ll have to wait for it to produce more. Tank heaters can be either gas or electric.

Gas Water Heaters:

Heats water faster
Energy efficient models
Lower energy costs

Electric Water Heaters:

Lower upfront cost
Less maintenance
Non-operational during power outage

Tankless Water Heaters

Rather than storing a large amount of hot water at all times, tankless water heaters only heat water when you need it. They are capable of heating that water much faster than storage tank water heaters because they use a different heating method and it is easier to heat the smaller volume of water passing through them more quickly. However, they are also a bit more easily overwhelmed by high demand.
Tankless water heaters are slightly more expensive to install than tank water heaters, but unlike tank water heaters you can place them anywhere in your home. They are portable and are much more energy-efficient, especially if you don’t use hot water at a consistent rate. The following are important considerations when thinking about a tankless water heater for your home:
Your average hot water usage
How many places hot water will be needed

FAQ for Water Heaters

How often should I replace my hot water heater?

A hot water heater needs to be replaced about once every 10 years, though some newer models can last as long as 15–20 years with proper annual maintenance.

How do I know if there is a problem with my water heater?

The most common sign that there’s a problem in your hot water heater is if you notice your hot water supply dropping sharply or if it doesn’t last nearly as long as it once did.

The easiest way to keep your water heater running to its maximum performance is with regular maintenance and sediment removal. Over time, sediment that builds up in your tank can include debris from your pipes or hard metals like iron and lead. It’s not unsafe, but it can reduce the efficiency of your system substantially.  This type of cleaning should be done at least once a year to avoid corrosion or wearing down of the parts inside the heater.

How hot should my water be?

The default setting on many hot water heaters is 140°F, but that’s actually about 20°F warmer than is necessary for household tasks like showering, washing dishes, or cleaning clothes.  We recommend setting the temperature to 120°F.

How can I reduce my hot water costs?

An easy way to reduce your hot water costs is to insulate your water tank. Insulation can significantly reduce the amount of energy required to heat your hot water. Proper insulation should be used to avoid any potential fire hazards and to reduce heat loss.  Our expert technicians can help you choose the right insulation for your particular system.

If you have a heat pump installed, you can use the excess energy drawn from your home during the summer months to heat your hot water. Many hot water tanks provide a way to introduce alternative energy sources to the heating elements. Make sure to ask about this option when your technician installs your hot water heater or during a regular maintenance visit.  It may reduce the cost of hot water for 2–4 months out of the year.


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ACCA Quality Assurance Accredited
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Snohomish County
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Office: M-F 8am - 5pm
Services: 24/7
9680 153rd Ave NE,
Redmond, WA 98052

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