“They are fantastic. They respond very kindly. They gave very thorough answers. You ask them questions, they give you an honest response. Their work has always been high quality and up-to-grade standards. They are very easy. They are very practiced about reaching out to you. Very friendly. Everybody I met there is friendly from the front desk people to the actual workers themselves who visited my home. I always feel that I'm in good hands with them. They have done a couple of big projects. One, they put in a utility sink in my basement and they also put in a new hot water heater. On top of that, they do yearly A/C inspection and yearly water inspection, and they also put in a new garbage disposal for me. I would grade the overall experience with an A+. I would recommend them.”

“I liked that they were on time. They did great work. Never had to call them again. They cleaned out my heater. They replaced a line from the street coming into the house. They did work on the bathrooms, putting in faucets and everything. I would grade the overall experience with an A+. I would highly recommend them to a friend.”

“Those guys are awesome. They'd done plumbing and heating for us a number of times. They typically send people out that are above and beyond interested in their craft. The people they send out are obsessive about their craft. The guys that put my furnace in, I could tell they were in love with their work. You know what a difference that makes when someone is truly passionate about the work they do? That means my space, the space they're working in is clean, the installation is quality, they're happy to explain things to you. I've had that for heating, I've had that for plumbing as well. Guys that are just close to obsessive about the work. They're just passionate about the kind of work they do, and that makes a difference to me. That really makes a difference to me.”

“They have done a lot of work for me. I had a new heating system put in, and they were really good during the whole situation, and then I've had follow-ups with them and service. They guaranteed everything for five years, and it's just up now, and it's been a great experience. They have done some other plumbing work for me. I would grade the overall experience with an A. I would highly recommend them, and I have already recommended them. They are a great company.”

“I liked that they called you and reminded you of your scheduling, and your maintenance. They are thorough, and if something is wrong, they show you and point it out, they are not forcing service on you. I have a maintenance plan, so they checked the central air, checked my heater, checked the plumbing to make sure it's all up to code. I would grade the overall experience with an A+. I would highly recommend them to a friend.”

“I liked everything. Tthey were fast, they worked with me on payment, and the work was done properly. They replaced the hot water heater. They also did some minor service to the A/C unit. I would grade the overall experience with an A+. I would recommend them.”

“I liked that they were knowledgeable and did the things right. They repaired my heater and installed a new air conditioner. They did plumbing work. It was hot water and they fixed the pipes. I would grade the overall experience with an A. I would recommend them.”

“I liked that they fixed my heater. This is not the first time I've used them. In the past, they did the same thing. I would grade the overall experience with an A. I would recommend them.”

“They did a good job, a very nice job. They just did two services. One was an air conditioning issue, and the work after that was an air conditioning checkup. Both times they were in and out and clean and professional and they did a nice job. They have never done any plumbing work for me, but if I had, I would certainly use them if I need too. I would grade the overall experience with an A. I would recommend them..”

“They were very professional, very clean. The men were very nice. They did their job. They were quick, efficient. I have no complaints. They were A+. They installed a new heating and cooling system. I had work done after that and I'm very pleased with Henderson.”

“They're prompt and fast. They replaced a board in the A/C unit. I'll give them an A+ overall.”

“They've been doing work for me for years. I got a lot of rental properties with them, they get out there right away. They've installed heaters and they installed central air. I'd only give them an A overall. Quite honestly, there's one, maybe two of their guys that have keys to the rental properties. That's how much I trust them. I have recommended them before to my neighbor on the street where I live.”

“They do our A/C and plumbing. I'd give them an A+ overall.”

“They did a nice job. They did a furnace and water heater tune-ups. I would grade the overall experience with an A. I would very likely recommend them to a neighbor or friend.”

“They've done several jobs for us. I'm happy with what they did. They have done heating and air conditioning, drainer and sewer work for me. I would grade the overall experience with an A. I would very likely recommend them.”

“I liked that they kept the house clean, and they were quick. They did heating and plumbing work for me. I would grade the overall experience with an A-. I would very likely recommend them to a friend.”

“They've done work for me many times. I've never had a problem with them. They come, they do the work, I'm satisfied, and that's it. I pay them and there are no issues. They did work on my heater and they did some plumbing work in my bathroom. I would give them an A overall.”

“They were very prompt. The guy was very clean in his work. And he was very quick and efficient. He was checking our air conditioning system for any leaks or anything like that which we have done once a year by them. We've been using them for three years. I'd give them an A overall.”

“They're still not done but they've been keeping me informed. It was an issue with the A/C. They have done plumbing work for me in the past. It's a repair for the A/C. I'd give them an A overall.”

“They were very thorough. They labeled all the pieces of the stuff they worked on. They labeled different on/off shut-off valves for us. That was certainly helpful. They worked on the air conditioner and the heater. They did the kitchen sink trap. I'd give them an A overall. They were very good.”

“I only use Henderson. They always answer their phone, are available for emergencies, and are extremely clean and knowledgeable. They do not take shortcuts and do the job right.”

“I had routine heating service and A/C repair. The technician was professional and punctual. He completed the work in a timely manner and explained the A/C issue.”

“Outstanding service, on time, knowledgeable, friendly, and reliable. Love their crew, cleanliness, and responsiveness—A+.”

“Great company from the time you call until the service person finishes the job. I have recommended them to family, and they as well have had great service.”

“Always on time and thoroughly professional. Best service I've had in a long time.”

“From the estimate to the completion of work and follow up, everything was polite and professional, including the office staff.”

“Quality service, large service area. Excellent follow up after services have been completed.”

“They were prompt and knew what to do immediately. They had to replace a part in our heating system.”

“William Henderson always provides great service. Never a complaint.”

“The first technician who did the bulk of our work was a top notch, extremely knowledgeable professional. He receives all A+ ratings. A part was back-ordered, however, and the technician who came the second day required some oversight to finish the job correctly. Overall, the job was done as necessary.”

“I like that they're very clean. They're very particular in the house. There's one guy that we've had a couple of times, and he's extremely knowledgeable. He can do what needs to be done and nothing extra. We have our maintenance program with them, so they come out and service our air conditioner and heating system. They do the heating system in the winter and the air conditioning in the summer. We've also had them do some additional plumbing. So far, everything is good—I haven't had any problems with anything that they've done. An A grade is fine for them.”

“The people from Wm. Henderson are prompt, efficient, and clean. Everything that they promised was delivered. We had a new heating unit and air conditioner put in. We chose them because we've used them in the past for other work. I'd give them an A.”

“Wm. Henderson did something for our air conditioning or furnace a while ago. They did what they told us they would do, and they were friendly and punctual. Our air conditioning was not coming on or something like that. I'll give them an A.”

“They were here when they said they were coming, they did their job, and it was fine. I had no problem at all. My air conditioner wasn't working, and he fixed it for me. I would say they're an A.”

“They did a great job. They came out immediately, and I liked their attention to service. We had to replace the heating and air conditioning unit in our house, and they were very quick in accommodating that. Since then, they have done maintenance once. They deserve an A.”

“I think they have good customer service. They installed our air conditioning system for the whole house. They did the initial installation and annual maintenance, and they also did some sewer backup work, so we've used them for a couple of plumbing and heating jobs. It was a good experience with them every time. I would give them an A.”

“Wm. Henderson did a thorough job. They did plumbing and heating. They came out several times. They get an A grade.”

“Wm. Henderson was very nice. They're very good, and they did very well. We're very pleased. They did a lot of work for us.”

“They did some work for me. They were easy to use and pretty straightforward. We had a problem with the air conditioning unit, and they came and fixed it, drained it, and got it up and running. I'd give them an A.”

“We were in need of a repair, and they were local. That was the first time I had ever used them. An A grade sounds good for them.”

“I liked everything about Wm. Henderson. They're reliable, and they do good, clean work. They did plumbing, heating, and air conditioning for me. I've been using them for probably ten years, and they've stayed consistent over the years. I'll give them an A.”

“We have a service contract with Wm. Henderson—I wouldn't use anybody else. They are extremely responsive. That level of service is very important when you have an emergency. They're always courteous, and they clean up well after themselves. They have also done repair work, and they installed our original heating and air conditioning unit as well as the new unit when that one was beyond repair. They're an A+ company.”

“Wm. Henderson is the best. I like that they do the job, and they're polite. They do all the work for my air conditioning. Nobody sticks with a company since 1985 unless they're very good and totally cool. I'd give them an A rating.”

“Their work is excellent. I always ask for the same technician. He's knowledgeable and willing to explain what he's doing. It's a well-run company, and I feel confident recommending them.”

“I like that they're very clean. They're very particular in the house. There's one guy that we've had a couple of times, and he's extremely knowledgeable. He can do what needs to be done and nothing extra. We have our maintenance program with them, so they come out and service our air conditioner and heating system. They do the heating system in the winter and the air conditioning in the summer. We've also had them do some additional plumbing. So far, everything is good—I haven't had any problems with anything that they've done. An A grade is fine for them.”

“The people from Wm. Henderson are prompt, efficient, and clean. Everything that they promised was delivered. We had a new heating unit and air conditioner put in. We chose them because we've used them in the past for other work. I'd give them an A.”

“Wm. Henderson did something for our air conditioning or furnace a while ago. They did what they told us they would do, and they were friendly and punctual. Our air conditioning was not coming on or something like that. I'll give them an A.”

“They were here when they said they were coming, they did their job, and it was fine. I had no problem at all. My air conditioner wasn't working, and he fixed it for me. I would say they're an A.”

“They did a great job. They came out immediately, and I liked their attention to service. We had to replace the heating and air conditioning unit in our house, and they were very quick in accommodating that. Since then, they have done maintenance once. They deserve an A.”

“Wm. Henderson did a thorough job. They did plumbing and heating. They came out several times. They get an A grade.”

“Wm. Henderson was very nice. They're very good, and they did very well. We're very pleased. They did a lot of work for us.”

“They did some work for me. They were easy to use and pretty straightforward. We had a problem with the air conditioning unit, and they came and fixed it, drained it, and got it up and running. I'd give them an A.”

“We were in need of a repair, and they were local. That was the first time I had ever used them. An A grade sounds good for them.”

“I liked everything about Wm. Henderson. They're reliable, and they do good, clean work. They did plumbing, heating, and air conditioning for me. I've been using them for probably ten years, and they've stayed consistent over the years. I'll give them an A.”

“Wm. Henderson was very professional, and they did great work. They were trustworthy, and they were able to work with me. They put in the new air conditioning unit, and they have done stuff on our heating system. They're our go-to for all of our heating and cooling needs. They're excellent; we have no complaints.”

“Wm. Henderson put a furnace in for me, and it was fine. They got the job done on time. I would say they get an A for excellent.”

“I thought they were really great. They were on time and courteous, and they found the problem and fixed it. They installed our heating and air conditioning, and I think they came back to fix a pipe. It was covered under warranty, so they honored that. I'd rate them as an A—they're excellent.”

“Wm. Henderson Plumbing, Heating & Cooling Services was terrific. I had no problems with them.”

“They do good work. Their service men are very friendly and cordial, and they do their best. The air conditioner wasn't working on the second floor of the house, and they took care of that. I would give them an A grade.”

“The timely response, professionalism, and quality of work made working with Wm. Henderson a positive experience. I was very happy with the company. I've had several things done; I've been using them for a couple years. They're definitely an A-level company.”

“They are prompt. When they say they're coming, they do, so I can depend on them to be here if I have a problem. They're neat and tidy. Everyone is a gentleman, and the girls in the office are very helpful and very congenial. The most recent thing they did was put a brand-new heating and air conditioning system in our house, and they're going to do the maintenance work on that as well. They do all the maintenance work in the house. I had them come out once, and I was very pleased, so I continued. I'd give them an A.”

“Wm. Henderson is reliable and on top of things; I have a service plan with them, and they call to make sure I get the different checkups for my HVAC system at the appropriate times. They've also done plumbing, and I had a good experience with that as well. They get an A rating.”

“They're punctual and clean. I just like everything about them. They do plumbing and air conditioning. At first, it was an as-needed service, and then we picked up a contract for our air conditioning. They also did the original installation on the air conditioning unit. They're an A.”

“They're very dependable—if you need them in a hurry, they come right away. They do a very good job, too. I recently had them install a new heating system, and they have done plumbing for me, too. Their work has always been very good. I would give them an A.”