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Berthoud Water Heaters

On demand hot water is essential for daily life, and the last thing you want is for your water heater to fail suddenly, leaving you with cold showers. Most water heaters fail gradually, so if you familiarize yourself with the signs, you can schedule a repair or replacement before disaster strikes.  Watch for these things:  Water Heater makes noise, discolored water, running out of hot water, leaking and low water temperature.  

Why Choose Us



A new water heater is a big purchase. Here at Longmont Water Heaters we chat about what you have, I look as some pics you take, and then I give you a price in advance so you know exactly what it will cost.



Longmont Water Heaters's focus is water heaters and water heaters only. Mike used to own and operate Greater Western Plumbing, but when that ended he wanted to hone in his focus to his specialty, WATER HEATERS!

Customer Service

Customer Service

At Longmont Water Heaters, all I do is water heaters in Longmont. It is my specialty and I do a lot of them. Give me a call at 970-389-2285 and lets talk about your water heater.


There is water all over my floor! Now What?

Most people don't swap thier water heaters until it is to late. Know that you are not alone.

1. Turn off the gas valve.

2. Unplug it if it has a plug in.

3. There should be a shut off valve above your water heater (usually on the right, cold inlet) close that. You have now limited the amout of water that will continue to leak.

4. Take a deep breath. You already made the right first step in coming here.

What Is the Best Temperature Setting for A Water Heater?

For most people, a comfortable setting is about 120 degrees Fahrenheit. Manufacturers use this number as a pre-setting for many new water heaters. For older models, setting the thermostat to medium should do the trick.

What is the best water heater I can get?

I usually end up installing the modern equivilant of whatever you have now. Switching to a different style, like tank to tankless is a big step up in COST. But I am happy to talk about your options. Shoot me a call at 970-389-2285

Why Do I Keep Running Out of Hot Water?

If your hot water keeps running out much faster than it used to, your home is likely in need of water heater repairs. Your water heater could have a broken dip tube, which should prevent cold and warm water from mixing in your tank. Another possible problem could be that the lower heating element in your electric water heater has failed. While some of these issues can be fixed with repairs, it may be necessary to plan for a new water heater installation in the near future.

What are the types of water heaters?

Listed from most common to least common:

1. Gas Tank - Atmospheric vent - That is the thin metal vent coming out of the top

2. Electric Tank - Wire coming out of the top

3. Power Direct Vent - 2 PVC pipes coming out of the top

4. Power Vent - a Fan on top and then a single pipe either PVC or metal coming out of the top

5. Gas Tankless - no tank, 1 or 2 pipes coming out of the top. For more info on whether a tankless is right for you, click here

6. Electric Tankless - we don't see to many of these around Longmont

7. Sidearm - A sidearm is a storage tank without a heating mechanism, so the water would get heated somewhere else like a boiler next to the sidearm

How Can I Conserve Heated Water?

If you’d like to save money by cutting back your water heating usage, there are several steps you can take. Start by investing in low-flow shower heads. You can also schedule water heating maintenance to remove sediment buildup, which will help your water heater run more efficiently.


115 - 5 star Reviews

We had an urgent problem and Longmont Water Heaters responded immediately. We couldn't be more pleased with the quick efficient service.

- Rick S. - Another 5 Star Rating for Longmont Water Heaters

Mike did a fantastic job installing my tankless water heater. His expertise and attention to detail were evident throughout the process. He explained everything thoroughly, worked efficiently, and delivered excellent results. I really appreciated...

- Jeff N. - Another 5 Star Rating for Longmont Water Heaters

Mike is quick to respond, professional and did a quality installation. I purchased the water heater from a distributor/supplier, had it delivered and Mike did the install. I recommend Mike for water heater installations, particularly Bradford White.

- Rand S. - Another 5 Star Rating for Longmont Water Heaters

Mike did an amazing job servicing our tankless hot water heater. After googling a service provider, it was easy to pick him because of his high reviews, and he did not disappoint! He diagnosed the issue better than previous service calls I'd made...

- Hardy B. - Another 5 Star Rating for Longmont Water Heaters


Get in Touch:

We stay in constant communication with our customers until the job is done. To get a free quote, or if you have questions or special requests, just drop us a line.


  • M - Fri - 7:30am - 3:30pm  
  • Sat/ Sun - By Appointment