Best sonic cleaning pros near Greenfield, NH

"Great !! Gabriel was on time and went right to work. He took pictures of duct work before and after. He supplied my wife and I N95 masks to wear during the cleaning keeping us safe. Gabriel was a true professional."

"Duct Kings did a fantastic job cleaning my dryer vent and air ducts. The technician showed me before and after pictures of my air vents and I was amazed how much dust and junk was in there and how clean it looked after!"

"He was vey professional, all windows were super clean, friendly, polite, picked up and cleaned after his work. Outstanding."

"I'll start by saying that I have severe allergies. and respiratory issues Jason and Mike were not only NADCA certified, but friendly, knowledgeable, punctual, and most importantly... honest. I had spoken to others that said they would "fix" it", but Cornerstone came, evaluated my system and, rather than charge me unnecessarily, they provided me with other options that they did not even offer. That's service!!! I look forward to scheduling them when my system is actually DUE for a cleaning. Thanks gentlemen!"

"The tech was prompt and did quick work of cleaning and inspecting."

"They were excellent! Not only did they clean my house perfectly, they were prompt, professional, and beat everyone else’s price. I would hire them again in a heartbeat."

"I was very impressed. The two cleaners were both very efficient, personable and professional. His price was very reasonable as I live in a small condo. He did not charge me a high fee as if he were cleaning a big house. Windows are sparkling. I will have them come again when needed...Ty"

"The pro did the work of cleaning out the dryer vents. However, they left without discussing what they learned from the work. The picture that they sent with their project completion did not have particularly good pictures and did NOT show the lint that was removed from the vent exhaust. Moreover, the summary description of the work simply said that no problem was detected. Nothing about the exhaust cleaning. I called the office. The lady I spoke to kept talking about the quality work they did which did not answer my question about the lint removal. She did say there were pictures attached to the report. I agreed, but it was only of the vent and the roof. She sent me additional pictures that clearly showed the volume of lint removed on the roof. In my opinion, this whole experience could have been avoided if 1) the report summary explained that lint was removed, in addition to "there were no problems noted", and 2) all the pictures taken by the technicians been included."

"Mike did a wonderful job cleaning our windows inside and out and power washing our home. Thought the price was reasonable. He was professional and personable."

Welcome to Clean Theory — where clean meets clarity!\nWe’re a local cleaning business focused on creating clean, comfortable spaces that make everyday life feel a little easier. We provide dependable, detail-focused residential cleaning, including weekly, biweekly, monthly, deep cleans, move-in/move-out cleans, and one-time services.\n\nWe also offer commercial cleaning for offices and professional spaces, including bathrooms, kitchens, common areas, dusting, vacuuming, mopping, sanitizing, trash removal, and main entrances. Services can be tailored to your space, schedule, and specific needs.\n\nWe take pride in being thorough, reliable, and respectful of your space. Our goal is simple: to give you more time to focus on what matters while keeping your home or workplace fresh, clean, and cared for.