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!

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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being offered the right options
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so you're comfortable now
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!

We felt they were efficient, knew their job and communicated well. However not pleased with the final thermostat configuration. We paid for a wire pull to be able to use our Nest thermostat which has WiFi but we were told that the wire would not go through the wall. We were provided a Honeywell thermostat but we do not have the WiFi capability.
Christine Smith
Christine Smith
18:12 19 Jan 22
Upgraded to a new furnace and air conditioning system through Costco Home Services. The MM Comfort System installers, Lamont and Qushawan, did an outstanding job. They were on time, courteous and did a nice job of cleaning up after installation. The furnace and air conditioning units were installed on separate dates due to availability of equipment. A week after I received my estimate, my original furnace died. The folks at MM Comfort Systems moved my furnace installation up to that same week. I really appreciated their rapid response. The new furnace is much nicer than the old furnace and made the holidays really comfortable. I am looking forward to having air conditioning for the first time this summer in my home. It will be a welcome relief from last summer. If you need a new furnace or air conditioning system, call them first.
Scott Oss
Scott Oss
16:46 18 Jan 22
This company was great to work with installing our A/C from start to finish. Steve the rep was always available when we had a question and the installers, Ruslan and Dallas were professional, friendly and efficient. When we had to move the location of the AC unit at the last minute, Dallas jumped in and helped dig up a stubborn beast of a shrub. Installing the unit in the attic wasn't fun but they did it with humor and without complaint and they made sure everything was cleaned up before they left. Great follow up by Hannah handling the permits. We didn't have to do anything! Would highly recommend this company.
Linda or Ken
Linda or Ken
20:25 17 Jan 22
Randy & Clinton were great...finished a day ahead of schedule
DJ Nelson
DJ Nelson
18:10 17 Jan 22
My previous furnace is broken, and MM comfort system assist me with a new Carrier Infinity Furnace with Infinity Thermostat. The installer Ruslan & Scott came during a cold day (thumbs up), are professional and courtesy during the installation process. The furnace has been setup perfectly. Throughout the process, the MM comfort system is very responsive in responding to my inquiry and request.
Mimas Technologies
Mimas Technologies
20:27 12 Jan 22
Ric E
Ric E
17:03 12 Jan 22
MM Comfort Systems replaced my old furnace with a new one. What a great team -- professional, caring, and responsive, including the technicians and the administrative staff. Despite unexpected problems (not their fault), which required repeated visits, they worked hard to make sure the installation was successful. I would recommend this company to anyone.
Diane Campbell
Diane Campbell
23:16 11 Jan 22
Andrew Carle
Andrew Carle
18:08 08 Jan 22
Excellent service, awesome onsite staff who took the time to show me how the system worked and how it was all installed. Overall great experience
Sean
Sean
21:44 06 Jan 22
The technician (Victor A Kurkov Play the problem and fix it very quickly nice job
Larry Ung
Larry Ung
23:45 30 Dec 21
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
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01:18 28 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
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
I did some research into how heat pumps worked prior to calling for estimates. Two other companies came out before Sullivan, both lied to me. Sullivan was honest and followed through beautifully, my only regret is that I had forgot to get a bit of cash to tip the installation crew!
Steve Anderson
Steve Anderson
14:36 26 Jun 21
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LOCATION
9680 153rd Ave NE,
Redmond, WA 98052

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