Water
Heaters

Home Comfort Alliance certified plumbers are experts in gas, electric and tankless water heaters. Whether your water heater is in need of maintenance, repair or replacement, call us today for water heater service throughout Greater Seattle!

Common Water Heater Questions:

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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Choosing A Water Heater

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Tank Water Heaters

Tank water heaters are the most common type of water heater. They use a large storage tank that keeps large amounts of water heated at all times (usually 50-100 gallons), which makes them great for keeping up with the high demand for hot water for longer than most other systems. The downside 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

Instead of storing a large amount of hot water at all times, tankless water heaters heat water when you need it. They can heat water much faster than storage tank water heaters because they use a different heating method and they have a smaller volume of water to heat. One drawback is 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 they can be placed anywhere in your home. They are portable and are much more energy-efficient, especially if you don’t use hot water consistently. 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

Why Choose Home Comfort Alliance?

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It's a promise we've kept with thousands of homeowners across Western Washington

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What our Customers are Saying!

Great!
Gayle Detweiler
Gayle Detweiler
20:52 08 Aug 22
Really pleased with my experience. Installation was timely, the staff were knowledgeable and our AC works great. Pricing was transparent and reasonable for what we get. Not sure what else you can ask for.
Alex Hogan
Alex Hogan
16:27 08 Aug 22
Billy Reese
Billy Reese
02:03 02 Aug 22
Kelly Kjostad
Kelly Kjostad
20:44 21 Jul 22
Family owned they've been taking care of us for 20 years
Tracy Sharpe
Tracy Sharpe
03:22 01 Jul 22
Geoff and the team at Sullivan did a fantastic job replacing our aging HVAC system. We had a complex system and the team assessed our needs and designed a great solution for our 2 story home. I got 4 bids and the Sullivan bid was by far the best design. The other companies just wanted to replace our system with the same. Design was 100% Execution was 100% Thanks Geoff and team.
Allan Scozzafave
Allan Scozzafave
00:02 29 Jun 22
Xinyang Li
Xinyang Li
22:16 14 May 22
Cool guys I dealt with today. They seem laid back and down to earth. I had an interview with them earlier today. Hopefully we can work something out.
Shawn Chance
Shawn Chance
23:42 21 Apr 22
Ben came out from G and S to perform a check and maintenance on my heating/heat pump system. Arrived on time, very polite and effecient. All is well.
Dave Stout
Dave Stout
15:56 10 Apr 22
C Becker
C Becker
21:49 07 Apr 22
They are always respectful, knowledgeable and prompt. Have used them for many years with zero complaints. Some of the new owner changes are frustrating but hopefully they will dial things in.
Kristi Cundy
Kristi Cundy
18:44 08 Mar 22
Sullivan installed two Mini-Splits in our home… bobby Baker was the salesman (extrodinare) Start to finish, “all the Sullivan Staff was GREAT”Highly recommend this Company 👍🏻👍🏻👍🏻👍🏻👍🏻👍🏻👍🏻👍🏻👍🏻
Les. Kay. Rose
Les. Kay. Rose
21:09 21 Feb 22
Andrew Carle
Andrew Carle
18:08 08 Jan 22
Luke Schwaigert
Luke Schwaigert
11:15 18 Nov 21
Taylor Anderson
Taylor Anderson
12:15 17 Nov 21
Always prompt response
KarenL Lindenmayer
KarenL Lindenmayer
16:11 02 Nov 21
The fellas that came, Dan & Tim, we’re professional, knowledgeable, efficient and friendly. They informed us of the process and steps involving the gas line installation. We are happy customers:)
Cherie Rezen
Cherie Rezen
20:13 30 Oct 21
Our heat pump failed the night before the big heat wave back in late June. We were facing the prospect of having to search for a place to stay cool since all the HVAC companies we called gave us appointment times several days and even weeks away. We called Sullivan late Friday evening and they had a technician here Saturday morning and he fixed the heat pump in about 30 minutes. We needed a part and Arnold the technician had it in the truck! Go figure. Our external thermometer got up to 113 degrees two days later. I can't speak highly enough of this company. I can't imagine the misery and discomfort they saved us and possibly the death of my old dog from the heat. Thank you Sullivan Heating & Cooling.
Kitsap Craig
Kitsap Craig
16:37 19 Jul 21
Travis our service tech was friendly and knowledgeable, he explained everything he was doing and why. Fixed the problem and did not leave until he made sure everything was working correctly. Definitely will use Sullivan Heating and Cooling again in the future.
Kimmie Lancaster
Kimmie Lancaster
23:10 08 Jul 21
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9680 153rd Ave NE,
Redmond, WA 98052

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