Was having trouble with pellets overfeeding in my Harmon Invincible RS, and contacted several places to get assistance. Mace was the only that I could that I contacted that was able to help. I spoke with Carol and she was able to locate the manual for my pellet stove even though it is well over 20+ years old.

Over the phone she gave me some troubleshooting tips and ways to make sure I was properly cleaning the stove. I needed to get a cleaning brush that I didn't have, but she had one at her store, so I went over to pick it up.

In the 20ish minutes I spent at the store, I received an incredible education on not only my pellet stove, but also how pellet stoves work in general. Everything from how to select the right pellets, and how to setup up my specific pellet stove for better operation.

Turns out my issue with the overfeeding pellets, was operator error on my part, as I did not understand how to properly adjust the feed rate. I have yet to try the recommendations, as I need to finish cleaning my stove. However, I wanted to take the time to give Mace a review, and would highly recommend you reach out to them for help with any of your pellet stove needs, especially Harmon Pellet stoves.

Just call and ask for Carol, she'll be happy to help you!

Had insert cleaned last year and had excellent service. Bought pellets at store, very courteous

The staff was informative, friendly and a pleasure to work with. They took their time explaining my options for an old stove repair as well as a new installation.

I interacted with Carol today and she was awesome and very informative. I have dealt with many of your technicians and staff and have always been very pleased with their professionalism personality and knowledge. Please keep doing what you're doing 100%

Purchased our Harman Absolute 43 from Mace in late December 2019 and was installed early January 2020. The team did a wonderful job installing and have loved the benefits of the pellet stove. Purchased some pellets locally but they didn't burn as well as the Hamer pellets. Every spring I get 2 tons from Mace when they have their sale. This year I purchased another ton before the start of the season as I typically run out around February. Love the service and family friendly atmosphere at Mace which is why I go back to them for all my supplies.

Thank you

David and Joe did a great job on cleaning and checking my pellet stoves. They were very clean and keeping the dust down and did a great job. They should be considered a great asset to Mace Energy. Thanks again.

Everyone from the owners to all employees are fantastic. We always enjoy working with Mace and always recommend them to friends and family.

Owners and all staff members are highly knowledgeable, professional, and courteous. It has been a pleasure doing business with Mace.

Marlee was very helpful. She is knowledgeable when it comes to ordering parts for an old stove. I highly recommend this establishment.

After 18 years of heavy and faithful service the wood stove (purchased from Mace!) really needed some maintenance. Found all I needed here to be ready for next Winter!

Great experience with friendly knowledgeable people!

Always a pleasure

I just have to let you know your team that came out today were so very courteous and friendly. So glad you could fit us in today when it was yesterday that I called. Thank you very much. As always very pleased with their work and knowledge. Thanks Guys!

Always been a pleasant experience. They go out of their way to assist you with your question, service and knowledge.

Jesse came to work on our rentals pellet stove and also our pellet stove today. He is the nicest, honest, very respectable guy everytime he has been here. He does a fantastic job of cleaning them. Would reccomend to anyone! Thank you Jesse for a job well done!

We have a 19 yr. old Harman Advance, and always call Mace Energy when we need replacement parts. They usually have what we need in stock, at very reasonable prices. I called yesterday morning about a failed pressure switch, and although the Harman part number had changed, they had a new comparable switch in stock. I installed it today and our stove is up and running again. Thanks once again, Mace Energy.

I recently upgraded from a P38 to a P43C Harmon pellet stove. The Mace guys installed it the day after I bought it. The auto temperature control is great. The surprise feature is that it saves me on pellets since it shuts off and turns back on automatically. Glad I went with the new stove.

Mace Energy while I have had limited experience with them. They have been one of the best Supply companies to get parts from, even when they don’t service your brand. And they actually have them in stock.
And the next thing I highly recommend them for is they have absolutely the BEST wood pellets to burn. They also sell Coal in several different sizes. They are also very friendly people, and very knowledgeable with Harman pellet stove, as that is what they specialize in. Highly recommended company.

My sister Nancy and I want to let you and Mr. and Mrs. Tweed know how much we LOVE our pellet stove! It is doing a wonderful job keeping our entire house warm!! It is so easy to use and is one of the best investments we’ve ever made!! Thank you so much for helping us!!

Been buying pellets and Harman parts for 10 yrs. here. Thoroughly honest, helpful, and knowledgeable. Their Hamer pellets are better than most from the big box stores.

Just had my new stove installed on 6/4/2020. Everyone from the purchase to the install. I have been very satisfied with the over all experience from day one. My house is 2,600 square feet, two levels and the carpet upstairs is warm when I walk on it. It’s unbelievable. I only use about a quarter amount of the wood I used to use. On my total electric house my electric bill has been cut in half! Kudos to you all for selling such a fine product and doing such a fantastic job installing it and teaching me how to use it. This was a very professional install from the crew. Would highly recommend them to everyone. Was worth the drive from Mt. Airy to Smithsburg !

Just had my pellet stove installed. Excellent service and easy to work with!

This is the place you want to do business! Great people, service and products!

Mace Energy Supply, Inc. is Smithsburg’s best kept secret. Staff are friendly, courteous and extremely helpful and down to earth. Best place to go for all of your stove needs and pellets.

Friendly knowledgeable service. Owners are wonderful. Couldn’t be happier.

Very friendly service. I’ve been purchasing my wood pellets here for years and have no regrets.

The staff is knowledgable and friendly, this is a company that has integrity and will help you with all of your heating needs! Affordable, honest and professional what more could you ask for from a family owned and operated local business!

I bought a Phoenix Woodstove with soapstone and love it. Very nice, well stocked store with many stoves on display. Salesperson was very knowledgable and helpful.