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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We promise the comfort of
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and for years to come.
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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!

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
Johnny came out and did a great job for us!!They were even able to schedule us quickly!!thank you so much!!
Lucinda Gardner
Lucinda Gardner
15:00 10 Oct 21
If you need the electrical done, you should call and wait for Dustin. He is professional, calm, kind and easy to work with. I was in a hurry and went with another company but things didn't work out. Dustin will take his time and do the best he can to help you out. BE PATIENT AND WAIT FOR DUSTIN!!
TRACY TRAN
TRACY TRAN
21:44 03 Oct 21
Started wit Nate the sales gentleman. He was very friend and courteous and explain everything to us of what we needed to get the work done, and gave the options to choose.Carlos and Eddie were amazing. They came on time and started working on installing our central AC. They were very professional and we couldn't be more happier.After they were done, they clean everything up , and put it back the way it was.The guys who came to clean our ductless were very efficient and professional. We will definitely be recommending this company to our friends and families.We will be using this company to maintain our AC and furnish from now on.
Lyly Graffam
Lyly Graffam
17:57 17 Sep 21
Chanelle Parton
Chanelle Parton
00:16 05 Sep 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
Sullivan installed our new heating system this year and worked with us so the thermostat settings are right. We have been so grateful during this time of hot temperatures we have the service. They do a great job!
Merrily Boone
Merrily Boone
19:23 30 Jun 21
My heat pump broke down unexpectedly the night before a record heat wave was expected. I called just about every HVAC company I could find and no one was willing to book an appointment for at least several days out. Most were several weeks. But Sullivan returned my after hours phone call within minutes and had a tech come to my house within a few hours and quickly made the repair. Their work was great, and their prices were fair. These guys are superheros and I can't recommend them highly enough.
Michael Johnson
Michael Johnson
19:36 27 Jun 21
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9680 153rd Ave NE,
Redmond, WA 98052

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