Supreme Air Systems I have used in the past and will continue to do so . They maintenance my AC…read moreand furnace every year. They have done my chimney in the past. Today they came out this morning and replaced my old hot water tank which was a Performance Rheem that I got from Home Depot years ago. Replaced it with a Bradford white 40 gallon hot water tank which is a way BETTER quality . Everybody from the office to all the workers that have came to my house throughout the years are professional, nice , knowledgeable, and reasonable in price . They definitely take care of their customers and don't over charge or take advantage . hands down !!! Thank you!

Do not hire these people they are unreliable. Took them a year to come back and finish a job I…read morehired them to do

I cannot recommend GMB and Sons more enthusiastically. They are definitely 5 star on service,…read moreprice, speed of response and reliability. My mini-split stopped working and I contacted another company. The service person was very nice but not as knowledgeable. And the quote to repair was nearly $2000! In addition, I was going to have to wait several days for the repair. GMB came on the same day I called and made the repair for less than half the quote I had received. Don't waste time or money on anyone else. Call Glenn Blank and Sons Heating and Cooling at 734-427-4362!

Do Not Use This Company! My remodel contractor used them to…read moreinstall two brand new toilets in my house in August 2017. Both of those toilets needed to be fixed within 2 years, which the plumber who ultimately did the job was quite surprised by. Then, almost exactly two years after they were installed, one of them sprung a leak at the base, indicating that the wax seal needed to be replaced. Again, the plumber was stunned that a seal wouldn't have lasted two years. Each time these things happened, I tried to get GMB to come out. But their phone goes to voicemail and they do not return calls. I left a detailed message this time so they knew exactly what was needed. Still no response. The shoddy installation has now cost me hundreds of dollars. Don't get ripped off by GMB like I was!

Quentin and his guys are wonderful! We had a new furnace and central air unit put in. They were…read moreprofessional, friendly, and did a great job! I would recommend Proficient Heating and cooling to anyone that needs any work done! I would give more than 5 stars if I could!

I had a great experience! Quentin was extremely friendly, professional, and efficient. He diagnosed…read moreand handled the issue quickly, I would absolutely recommend this company to anyone needing heating or cooling service. 10/10

Did not honor the maintenance contract after a Generac Generator was installed. Did not follow…read morethrough with DTE to replace my meter, but kept the money I paid to have them do so. Failed to honor appointments. Never showed up or call to inform me of a no show. Stay far far from this company!

Very reliable very efficient very knowledgeable about their business very quick to respond to all…read moremy needs that I've had

Excellent service! Honest fair pricing. I manage several rentals. Air Tempersture Control is honest…read moreand professional. Chris and his staff a great!

They installed the heating and air system in my new home. They came out right away and made sure I…read moreknew how to properly care for my system and how to use all of its features. The technician who came out was fantastic.

These folks are great, friendly and professional. We recently had a new furnace and AC installed…read more The inspector was very impressed with what a thorough job the installers did. He actually raved about the job that was done.

We have used Efficient Energy over 25 year for commercial and residential HVAC. They are honest and…read moretrustworthy! This is a locally business and we give them the highest recommendation They maintain the 11 HVAC units on our commercial building and the one at the house. Great people! Great company!

Highly recommend this place. Called to request a furnace and AC install. Talked to them on a…read moreFriday, and they were able to schedule and come out the following Tuesday. The project took two days to complete. After they were done, you couldn't even tell they were there. After completion, my water heater went out. They volunteered to come back and re-light the water heater at no additional charge. If I have any other furnace needs, I will be calling them again.

I cannot say enough about this company they busted their chops and 100° today June 18th... They ran…read moreacross some hiccups but kept moving forward! I was ever so grateful they didn't cancel on me today I had them all set up with plenty of cold drinks cold fruit and a fan to work with in the basement.... I am a real estate agent and I absolutely would refer them to any of my clients!

My family has used Day & Night for more than 25 years. They installed and serviced our current…read moreboiler and high-velocity AC system, which is why I am disappointed to be updating my review. In Summer 2025, I called because my AC system was no longer performing normally. It would run continuously during 80-degree weather and could not keep up during 90-degree weather. I have lived in this home since the system was installed and knew that airflow from the vents was significantly lower than it had been in prior years. Because the high-velocity system and ductwork are located in the attic, I specifically requested that the attic ductwork be inspected. During both the original visit and a follow-up visit, I was told the airflow was acceptable, but the attic ductwork was not inspected. Instead, I was advised that poor insulation was likely the reason the system was struggling. After adding insulation, the problem became much worse. When I started the system the following spring, some vents had little or no airflow at all. A different Day & Night technician visited in Spring 2026 and found loose duct connections, which he fixed, and that significantly improved airflow in part of the house. However, the other half of the house still had very poor airflow. I was told that follow-up service could be performed later that week if additional issues remained. The issues did remain, but no call was received and no follow-up service was performed. I contacted the office multiple times over the next two weeks. Each time I was led to believe that service would be scheduled, but it never occurred despite several cool days that were suitable for attic work. After waiting approximately two weeks, I contacted another HVAC company. They inspected the attic ductwork on their first visit and found a compressed duct and a disconnected duct. The repairs were completed during that same visit, at approximately half the cost of Day & Night's most recent service charge. Airflow in the affected area of the home is now dramatically improved and significantly better than it was when I first reported the problem in 2025. Mechanical issues happen, and even experienced technicians can miss a diagnosis. My disappointment is that repeated requests to inspect the attic ductwork were not acted upon, follow-up service that was discussed never occurred, and I ultimately had to hire another company to identify and resolve the remaining problem. Based on this experience, I can no longer recommend Day & Night.

Hottest day in summer and the AC goes out. Called up and they had a technician over within an hour…read more My AC was clogged with cottonwood and the tech cleaned it out and replaced the capacitor. Super quick, very friendly and back in business in no time. Thanks again