During the recent cold snap in Spearfish, first we experienced our furnace quit. Wolff's lent me a…read morecouple of space heaters for a couple of days until their tech could get to us, determine the problem, and get our furnace working again. Then our water heater quit working and they replaced it in about nine days. I have used Wolff's services for years and they are professional, courteous, and responsive! I will continue to rely on their service!

We have used Wolf's for many years and our last experience was not good. We called to have a washer…read moredrain replaced and they showed up after scheduling an appointment for this and stated they did not have the tools to complete the job and were extremely busy and would come back. Our fault?????? They returned and fixed the issue but we're charged $75 dollars for the first 5 minute visit that was rescheduled due their issues. How is that right????? So if you call them for an appointment ask first if they have the tools to complete and the time. Michele Goodwin

I will never call any other plumbing company. They were able to give me a timely appointment. The…read moreservicemen are clean, polite, and very clear with explanations about what needed to be repaired and the cost. As a single woman, this is one of the few times I have used any service such as this and felt that these guys were not taking advantage of my of my ignorance with this kind of problem and were honest. I cannot recommend this company highly enough.

My re-circ pump for my tankless water heater wasn't functioning after I changed the timer to…read moreMountain Standard Time. After a week of trying to figure out what I had done, I called Matt at Star Plumbing who diagnosed and fixed the problem over the phone. Many thanks and when I need an onsite plumber, Star Plumbing will be my first call.

Responsive but pricey, $50 for a 2 minute Carbon Monoxide test and $250 for a $20 part on Amazon. I…read morecan't recommend. Boasted about how bad customer reviews didn't matter because there was plenty of business in South Dakota during the winter months.

I called Wyatt as my heat pump was not working. He was able to fit me in that day to come and look…read moreat the problem. Luckily, it wasn't a huge project and he got it up and running in no time. He explained what was needed and gave his valued recommendations. Highly recommend!!

They were busy like all the other electricians in the area, but advised they would try to fit our…read morejob in sometime this week, I called on a Monday. Thursday afternoon they showed up, three young men and got right to work. Everything we asked was done to code and to our wishes and they were done in under one hour! Would recommend them to anyone and will call again in the future!

Adam did a great job installing a new water heater! Very professional company and always a…read morepleasure to work with! Furnace, check. Water heater. Check. Next on the list is central air, coming this spring! Always a pleasure to do business with them!

We had a very positive experience with this company. The owner is good at follow-up, returning…read morecalls, etc. He was patient with me in explaining the technique that would be used to prevent further sinking of my porch. They were careful in removing my landscape elements before starting work. Work was completed in the indicated time frame and the price seemed consistent with our expectations. I've been trying to hire Bill for further work but he is busy with larger projects! But we'll certainly hire him again.

Bill and his crew exceeded our expectations. Both our water damaged basement and our failing garage…read morefoundation required a change in course and they communicated options and provided excellent and economic solutions. They arrived early and stayed late 6 days a week to work around our weather. They provided extras as we went along and worked through some tough weather conditions. The daily communication was the best. Their prices saved us so much money. Their clean-up left our place in better condition than when they arrived. This company is going places. We will use them for any future needs.

Tony and Matt have been excellent! Originally I had them do…read moresome hookups for my new house. They were prompt and did a great job. Yesterday I called because I couldn't get my water heater restarted after frozen pipes. Tony came out and it turned out it needed replacing and the vent wasn't hooked up. Today they were here and new water heater put in with corrected ventilation and gas fixtures all before noon. Now that's service! I am retired and alone so knowing I can count on a company is very important to me Thank you Guys! I highly recommend Johnson Plumbing!

Very responsive in getting back to me, flexible in finding a time for an appointment, extremely…read morecompetent and professional while in my home... and efficient/in and out/ASAP and reasonably priced.... everything you could want in an electrician or really any service man or woman.