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At Guardian Plumbing, Heating and Air Conditioning INC., we're proud of our years of service to the LEWISTON area and look forward to helping you with your air conditioning and heating needs. We're pleased to serve both residential and commercial customers; our team is prepared to help you with the sales, service, and installation of the comfort system that is ideal for your home or business.

And be sure to ask Guardian Plumbing, Heating and Air Conditioning INC. for a free estimate. Whether it's a new installation or routine service, our factory-trained technicians provide the expertise your comfort depends on.
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Innovative Carrier products are trusted in more homes than any other brand-and financing is no different. Through our relationship with Wells Fargo Financial National Bank, participating Carrier dealers offer a variety of flexible options for financing your new Carrier product or system. That way, you can invest in your home's comfort or respond to an unexpected heating and cooling need without breaking your monthly budget.
Reviews (13)
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Paul C.
Jan 21, 2022
Customers are not their priority! After they fired a couple employees, I was told "they no longer work here" and they refused to help resolve the issue. Today, wanting to give them another chance, their incompetence really shone through. They couldn't/wouldn't read their own employee name and date on a house inspector's report for service. The office harridan had hands on her hips and snidely told me "I'm telling you now" regarding a pending home sale service inspection, in response to me telling them what the realtor had said.
Bonnie Niles-Bush
Jan 20, 2022
The owner of this business seems to be the salt of the earth. I called the business early Sunday morning, on January 2nd, for a plumbing emergency and not only did he answer the call, but he spent time trying to assist me through the issue. He recommend plumbers that might be able to do the job on a Sunday as he was unable to assist (I learned his business technically does HVAC work and not plumbing).

I obviously can't attest to his work in HVAC, but I can say this owner has what seems to be a wonderful character and integrity. He would be my first call to an HVAC company if I ever needed one.
David Lewis
Sep 22, 2021
I am relocating out of the area and the house is up for sale. I have been trying since over 30 days to get a service call scheduled and performed for my furnace and A/C, When I first called, no one called me back. 2nd time, Raylene was supposed to call me back.nothing. Third time I called, finally got through to Raylene. I was told mid September at the earliest.

This was mid August mind you that she said this. 2 weeks pass by. I called to get an update, Raylene said the computers were down and she could not confirm my appointment. I called today, Raylene is off for 5 days until after Labor Day. I then just called Kinzer Air, after getting my name and info, they said they could send someone over this afternoon. I then told them what has happened to me with Guardian, and again this is after Kinzer took my appointment. WOW, GO WITH KINZER!
Hank Heusinkveld
Jul 23, 2021
Not sure why our AC decided to go out on one of the hottest days of the year (117!), but Guardian responded as quickly as they could and did a fantastic job of explaining the problem and the solution. Technician Matthew Smith should be an engineer! He pinpointed the source, and had all of the proper equipment and parts. There was one more problem that he honestly discussed with me.

He said the capacitor was not working as it should have been. Matt told me to run a trickle of water on it overnight to cool the capacitor down. He could have easily told me that it was broken and charged me in excess of $1500, but he offered this solution that corrected the problem the following morning. Honesty and integrity is what I admire about Guardian. You're on our "A List!" I would highly recommend them.
Karen Hopkins
Jun 09, 2021
Guardian has always come through for us in our many years as homeowners. Matt, the technician, is the best! Very personable. It is apparent he cares about the customer. Hard worker, even in the heat!
Sharon Hoffman
May 03, 2021
Thank you for sending Matt to fix my furnace! I felt he was going to find the solution to why it wasn't working the way it was. He replaced the part that went bad and got it up and running. Very good at what he does. with a cold spell coming, I was worried about what we would do for heat and not being able to replace the furnace financially right now. He is so calming and personable and professional all at the same time. Thank you for having Matt at Guardian, ! Sincerely, Shari Hoffman
Charlene DeSalme
May 01, 2021
Matt Smith was wonderful! Very professional and quick to get the job done. He made sure to leave a number in case we had questions and gave advise on how to prevent the problem in future. We can't thank Guardian Heading and Air Conditioning enough!
J. Hart
Apr 14, 2021
At 5:45pm on a 102o evening our condenser fan and a fuse blew out. Called Guardian, got the owner, who sent his technician, Matt Smith. Took Matt less than ten minutes to identify the problem. And he had the parts we needed then and there. 30 minutes later the AC was up and running better than ever. Matt was a real pro, and in our experience he and his team from Guardian are the best in the L/C valley, by far. No better company to call.
Bruce Howard
Apr 01, 2021
My wife and I were very pleased with the timely service on our air conditioner, gas furnace, and remove and replace the water heater. Matt Smith did the reinstall of the air conditioning unit and also serviced the gas furnace. He did a great job even working overtime to make sure everything was working correctly. He explained everything to us and his personality was very personable.

The men that removed and replaced the hot water heater also were very personable and answered all questions about the operation of the new heater. They did a great job on it. I appreciate Bill arranging to fix our problems in a timely fashion. There is no question that we will always be using Guardian for our cooling and heating needs. Thanks Bill and Crew Bruce and Pam Howard
Fran Warwick
Feb 19, 2021
Matt Smith and the Guardian team are the best and I while heartily think they are wonderful. They exceeded all expectations and were polite and kind. They actually care about the customer and not just money like other big companies out there. A very big thank you! Services: A/C system repair, Heating system repair
Kelsey Ramsey
May 19, 2020
Matthew is absolutely amazing! One of the hottest days of the summer, 108, and my AC went down. Matthew was here for my family, working in the heat to fix the AC unit which now works! A huge thank you to Matthew! I would recommend calling this gentleman if you are ever broken down! Excellent service!
Karen Riddle
May 10, 2020
I was so hot 95 in my house. He was through, positive, fixed after a very long day. I saw him across the street early morn, before my call. Office said he had several calls before me. So thankful. Service: AC maintenance
Dan Matoske
May 05, 2020
I needed to purchase some air filters that were the nominal size of 20x20x4 and they had them in stock and for a great price. Great customer service on the phone and in person. Thank you Guardian.