Mill Creek Mechanical
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Mill Creek Mechanical
We also offer commercial refrigeration installation and repair and provide certified espresso machine repair and service. Proudly serving Walla Walla and the surrounding communities. When it comes to heating, air conditioning or refrigeration, Mill Creek Mechanical is the one to call. We are a locally owned business with over 38 years experience in HVAC & Refrigeration.

We provide both residential and commercial expertise. We service all brands! Call us next time you need service. Whether you need a routine maintenance check or an emergency repair on a heating or cooling unit, we are available to handle all of your heating, cooling and ventilation needs. We continually strive to exceed expectations by ensuring that each client receives the very best service.

Service is our #1 Priority. We will work with you to find HVAC solutions that fit your heating needs. We will provide you with a full consultation to explain all of your available options so that you can choose the system that's right for your business.
Services
We are a Veteran - Servicemember locally owned company with service as Our #1 Priority! Proudly serving Walla Walla and the surrounding communities. When it comes to heating, air conditioning or refrigeration, Mill Creek Mechanical is the one to call. We are a local business with over 38 years of experience in HVAC & Refrigeration.
Whether you are building a new house or upgrading your HVAC system, we have the right one for you. We will match you with the system that has the capacity, efficiency, and price that best suits your needs. Winters in Walla Walla can get very cold, and winter nights can drop into the freezing temperatures.
Summers in Walla Walla can get hot. If your air conditioner isn't working at peak efficiency, you could end up with your home having inadequate climate control or a sky-high energy bill. At Mill Creek Mechanical, we have the experience to perform maintenance or other services to keep your home comfortable all summer long.
At Mill Creek Mechanical, we are your commercial indoor comfort experts in Walla Walla, Wa. We have years of experience installing, maintaining, repairing and replacing commercial heating systems. We know that having a proper working commercial heating system is a necessity, especially if you want your business to succeed.
For many of our customers in Walla Walla, WA, time is money. Here at Mill Creek Mechanical, we know that downtime needs to be minimal. Whether your commercial cooling unit needs to be replaced or repaired, we will do absolute best to get you up and running in a timely manner. When you have a commercial air conditioning unit installed, you want something that keeps your space at a temperature you desire.
Reviews (10)
Martel Gonzalez
Martel Gonzalez
Aug 14, 2021
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Positive: Professionalism, Punctuality, Quality, Responsiveness, Value
Thank you Justin for all the help
Services: Repair heating system, AC maintenance, Heating maintenance
Sean Russell
Sean Russell
Jun 30, 2021
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Dayton WA Justin showed up as scheduled- sleuthed the problem out quick, had parts on hand and system repaired and running in record time! Highly impressed and would definitely use these guys again!
Derek Rutherford
Derek Rutherford
Feb 27, 2021
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Positive: Professionalism, Punctuality, Quality, Responsiveness, Value
Very prompt on time for service of home heating and installation of a mini split in the shop all work completed very helpful with any questions competitive pricing highly recommended veteran owned and operated
Services: Installation, Install thermostat, Repair heating system, Ductless heating and AC services, Heating maintenance
Erica Pierce
Erica Pierce
Dec 23, 2020
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My heat went out in November, I made a claim through AHS, and they dispatched Robert. My service was excellent! Robert communicated at every step. Luckily it was a pretty easy fix. Robert ordered the parts and installed them as soon as they came in. My furnace has been working fantastic ever since.
Kim Cassetto
Kim Cassetto
Dec 12, 2020
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Mill Creek Mechanical has gone above and beyond to service our heat pump. Robert's service has been prompt and he has communicated with us every step of the way between returning phone calls, part ordering, assessment of the unit, and working with our home warranty company. He even came out on a holiday and called to follow up with us a few days later to ensure the unit was working properly. Highly recommend and will definitely give them our future business!
Christine Ralph
Christine Ralph
Jun 21, 2020
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Robert and Justin provided quick, friendly service. I purchased an REME-Halo air purifying system. It is wonderful. Exceeds my expectations! Highly recommend.
Nikki Konen
Nikki Konen
Jun 05, 2020
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Huge shout out to Mill Creek Mechanical for saving the day! We discovered our hot water heater was leaking yesterday and they were here bright and early this morning to install a new one. Such great people, highly recommend their prompt and friendly service!
Racquel Kaufmann Ralph
Racquel Kaufmann Ralph
Mar 15, 2020
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Due to allergies, we had a Reme-Halo air purifying system installed in our house about ten days ago. We couldn't be happier. My chronic cough is almost gone and an unexpected side effect is that the ever-present Walla Walla indoor dust is at an all-time low and the old-house smell is gone. An extra benefit, in this time of Corona virus caution, is that the system kills bacteria in the air and on hard surfaces. Great investment!
Buddy Byrd
Buddy Byrd
Nov 11, 2019
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Robert and Justin were fabulous. Purchased my new home in Walla Walla in September 2019 and had Mill Creek come out to service my Furnace, A/C, and Gas Stove. I wanted to do some tile work around the gas stove so they moved my stove out of the way and Robert stopped by this evening to reconnect the Stove, clean it up, and made sure it was working properly. They were also the only company in town I found that offered a Veterans military discount. Robert and Justin from Mill Creek Mechanical get my vote!
Nat Small
Nat Small
Nov 11, 2019
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Robert and Justin did an awesome job on my house. They upgraded my old furnace and heat pump to a new high efficiency, variable speed version. Their work was very clean, and once they started the job they made completion a priority. They went out of their way, and adjusted several shortcomings in my existing duct work for optimal performance of my new system.
The price was less than I expected to spend. I received three bids for the job, and this one was the most reasonable, and it included the most amount of work.
Highly recommended!