HVAC & Air Conditioning Contractors in Waltham, MA

"Laura and Damien M Everything we could ask for! Excellent/professional workers. They covered all the basis even before we had our A/C installed (air quality importance) and the zero humidity in the house is amazing! Not to mention how quiet our air conditioning system is. Airco is number one! Thank you guys! You’ve made such a change in our summer days and upcoming heat waves in New England!"

About us: "With years of experience serving the area, we are your solution for all your home energy saving needs. We take great pride in our extreme professionalism, timeliness and superior customer service on every job. We make sure to develop a lasting relationship so that the next time service is needed there will be no question on who to call. Check out our 5 star reviews from happy customers. Call us today! Satisfaction guaranteed!"

About us: "Chill Zone HVAC is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business."

"Ken was so responsive and Helpful. I would highly recommend him. Iâ m very grateful that he came right on time and helped solve big problems at my house."

"Marcin is an extremely talented professional. His expertise saved me during my recent bathroom renovations when we ran into a fit problem with several of the bathroom fixtures. Marcin was able to quickly assess other fixtures that would work in the space, AND without building me a soffit that I really didn*t want! Early on it was clear he*s knowledgeable and dedicated to his craft. Marcin*s involvement and recommendations were super important to the successful completion of the project. If you need a plumbing solution, he*ll make it happen. He and Carlos, his apprentice, worked incredibly hard. It was a pleasure to work with Precision and I would recommend Marcin without hesitation."

"We hired Loudon Mechanical to install Daikin mini-splits in our home. The quote was reasonable. Each person in their crew was courteous, prompt, and efficient. They completed our job in two days and left the job site clean. W are extremely pleased with Loudon Mechanical and would highly recommend this company."

"very professional very excellent job"

"Mr. Terry was awesome! This is my first review I am writing. I felt I needed to write something as his work was so outstanding. He repaired 16 windows and did it beautifully. Marvin's quoted over $40K!! He was able to do what was needed for much much less. He was honest, professional, meticulous, extremely knowledgeable and kind. Miles above the window brand quotes which are ridiculous. Would strongly recommend if you need any window repairs!!!"

"They came to check the HVAC system, quickly diagnosed the issue and offered options. I eventually decided on replacing the aging AC system, and they quickly provided reasonable quote and successfully completed the work smoothly."

"Only company to provide an on site estimate for washing windows. Mo was professional, easy to work with and provided good quality window washing!"

"Showed up in 1 day and on time, provided good advice and priced the job fairly."

"timely work, appreciated!"

About us: "Nicholson Heating, Cooling, Plumbing & Electrical"