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Complete Heat

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(5 Reviews)

28 Charron Ave Ste 15, Nashua, NH 03063

(866) 523-0101

Today: 9:00 am - 5:00 pm
Tomorrow: 9:00 am - 5:00 pm
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Your One-Stop for all your heating and Grilling needs

General Info
Complete Heat has been serving the hearth and barbecue industry since 1999. We are proud to offer our customers the finest products available in the hearth, barbecue and alternative heating markets. We carry the full Napoleon line of fireplaces and grilling & outdoor products. We also carry Pacific Energy wood stoves, Archgard gas & woodstoves, Vermont Castings products, Majestic and Superior Fireplaces, plus a full line of hearth and barbecue accessories. If you like to cook outdoors, then we have what you need. We are authorized dealers for MHP, Napoleon, Vermont Castings, Weber and the unequaled Big Green Egg grills and smokers. For alternative fuel sources we carry anthracite stoves from Keystoker and Alaska Stoves. These clean & safe units are capable of producing anywhere between 5,000-750,000 BTUS. They can be installed into the main living areas, even if there is no chimney, or next to your current furnace and tied into your existing duct work or hot water heating, saving you up to 60% (based on 2006 fuel costs, save more if fuel prices continue to climb) on your heating costs. If you are in need of a new furnace, the Keystoker units are "stand alone" systems when ordered as a dual fuel furnace. What sets us apart from our competitors is that we install & service what we sell. We use our own installation teams, not sub-contractors, which allow us to set an installation date before you leave the store. Through our sister company.

Regular Hours


Extra Phones

Primary Phone: (603) 821-6915

Phone: (603) 821-6915

Fax Number: (603) 821-7457

* Alaska Stove Company * ArchGuard Fire Products * Keystoker * Majestic Fireplaces * Historic Mantels * Vermont Castings * Napoleon Gourmet Grills * Balmer * Weber * Chef' s Choice * Security Chimneys * Flame * Pacific Energy, big green egg
Payment method
master card, visa, check, discover, amex
Northwest Nashua

Chamber of Commerce BBB

National Chimney Sweep Guild

Certified Chimney


Complete Heat and Chimney Sweep

Complete Sweep

Chimney Cleaning, Air Duct Cleaning, Stoves-Wood, Coal, Pellet, Etc-Retail, Fireplaces, Fireplace Equipment, Masonry Contractors, Masonry Contractors-Commercial & Industrial


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Peter H.
Edited: 02/23/2017

Roy is great - he has cleaned out chimney for years and has great advice on stoves and chimneys. Had our chimney sealed one season, had caps put on. Very polite, good service, on time for appointments.
/Pete Bolton,MA




Karen and I purchased a Chaska XL gas insert made by Kozy Heat from Mike. The service from Mike and Roy was top notch and both were very knowledgable. Plus, they do an excellent job of cleaning our wood stove every year that they installed for us in 2004. We highly reccomend Complete Sweep.

billy glazier

carlisle, ma.



I am a 100% Disabled American ...

I am a 100% Disabled American Veteran and my spouse is also fully disabled. We decided to convert from propane heat to (anthracite) coal heat to conserve money while staying warm. Our best decision ever was to visit Mike at Complete Sweep. From the minute we walked in the door, Mike answered all of our questions with consummate courtesy and demonstrated an in depth knowledge of how best to heat using coal. We ended up ordering a Kodiak Hand Fired Gravity Fed Coal Stove and we were absolutely delighted with the seamless ease with which Mike and his colleague Roy installed our stove, right on schedule and with professional precision.

As a disabled U.S. Army Captain, I hold all retailers to extremely high (but reasonable) standards, and Mike and Roy exceeded my lofty expectations in every possible respect. A product of outstanding quality was installed by two seasoned experts who were focused like a laser on providing exemplary customer service.

As a former Army intelligence branch officer, I chose to ignore one (critical) review posted about Complete Sweep because both the text and tone of the write up were so far over the top that the credibility of the (quasi-hysterical) consumer / writer could legitimately be called into question. Thank God I "passed off" the initial negative review as an anomaly and a self-centered rant by an individual who likely sees negativity in every single interaction with every retailer.

Mike promised to be the best, and that's exactly what he was and is: the best.

Go nowhere else if you need assistance or guidance with any issue relating to chimneys, coal / pellet / wood stoves, etc. Mike will be pleased to count you as his newest, very much appreciated customer for life. Call him or email him today!



Worst Customer Service Ever

The morning our gas fireplace was to be installed we got a call from Mike, saying the mantel had not come in, that he would follow up and get back to us. This is after we had called the day before to confirm installation. I'm not sure why they didn't notice that the mantel was not in before the morning of installation. Mike never called us back to tell us what happened with the mantel or what the next step would be, however, they had surely cashed our check already. After several unreturned phone calls to Mike, Peter, who constantly refers to himself as “just the phone guy” actually YELLED at me and hung up the phone. Interestingly enough, when my husband called immediately back, Mike was suddenly back from his install and could talk to him. I'm fairly certain he was in the store the entire time and was avoiding my phone calls. We never got official word as to what happened with the mantel, however, hints were made that they forgot to order it. So after causing us major inconvenience and treating us like dirt, we still have never received an apology. They made no attempt to make it right, and only after we asked did they promise to give us the $190 remote control for free. Then, when they came to install the fireplace, over a month late, the mantel was the wrong color. Another week's delay while they fixed it. And, Mike, who promised we would get the $190 remote for free, brought the cheaper, basic remote, telling us the other one was on backorder and he would bring it the following week. We never heard from him and he won't return our phone calls. On top of everything else, we received a phone call from the Building Inspector several days after install telling us no one every pulled the permit for the fireplace, and that we had to come by their office and pay them $50. Surprise, surprise, Mike won't return our phone calls about this. Buyer beware.

claimed iconBusiness Response02/28/2011

The mantle was ordered in natural oak, and came arrived later than promised by manufacturer, the floor they have is not natural oak like "Lucy" said. I refinished mantle at no charge to match the floor exactly, and installed a thermostatic remote as promised. As for the permitting, I use a gas pipe fitter to do my gas piping, and when he pulls a permit it cover the entire installation. She chose to use a different gas pipe fitter, who pulled a permit just for the gas pipe, and not the installation of the fireplace, not my fault. I am the installer and am out of the store on all days except Saturday, and yes we had Peter answering the phone periodically through the week. Peter is a very polite, mild mannered man and when not answering the phone in the store is reading religious books. Peter told me how "Lucy" had called and started yelling at him, which I tend to believe because when I was at their house installing the fireplace and mantle, I could hear "Lucy" tearing into her husband on the phone, and that he told her to call back when she calmed down. The husband is a Saint to put up with her. The installation came out perfect.

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Gas insert & Green Egg

After visiting several stove shops in the area we purchased an Archgard gas insert and a Big green Egg smoker from Complete Heat. The sales staff was extremely friendly and knowledgable on all of the products they carry and the Archgard fireplaces were the best looking units we have ever seen. Both products were delivered and installed by the stores install crew. All the work was done on time and on budget. Our fireplace is beautiful now, and thanks to the Egg, all of our food tastes great. I would highly recommend them to all of my friends & family.

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