Southland Insulators
7th year as a Best Pick
certified company
Based on 301 reviews
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7th year as a Best Pick Call
"With our extensive training and certification, we have acquired a level of building-science knowledge that puts Southland at the forefront of problem-solving for homeowners. With more than 30 years in operation, we have earned a reputation as a leader in our industry. Our Fifth Fuel Division focuses exclusively on existing homes."

Gerald Palmer | President
Company Information
Services Offered
Southland Insulators offers residential and commercial insulation services, attic air-sealing, and attic ventilation system installation. The company uses spray foam to create unvented attics and crawl spaces. Southland Insulators also offers energy audits.
All jobs are backed by a one-year warranty.
Company History
Southland Insulators was founded in 1986 by Gerald and Nancy Palmer. Both founders are still active in the day-to-day management of the family-owned company.
Additional Information
The company installs a variety of insulation types, including cellulose insulation, fiberglass batt and blown insulation, and both open- and closed-cell spray foam.
Areas Served
Prince William, Fairfax County, Loudoun County, Arlington County
A selection of 301 homeowner reviews:
“Southland had outstanding workmanship, and they really cared that I was happy about the work. They were doing insulation and air sealing. I would rate them as an A+.”
“They did really good work. The workers were clean, neat, and honest. They did insulation work for the attic. They get an A. They were excellent. I would recommend them.”
“My experience was absolutely positive. They cleaned up behind themselves, and they were very efficient and professional. Someone even came out to check the work. They did an excellent job. They took care of all the air leaks. I'd give them an A.”
“Southland Insulators did a great job. They were very professional, and they did what I asked them to do. They were very accommodating. Very pleasant experience. I'd use them again. They did insulation work for me, and they earned an A+ grade.”
“Southland Insulators did a fine job with our attic insulation. Overall, they were excellent, and I have no complaints. I felt they were very good, and they had to work by walking through the house on my white carpet, and everything was as it was when they came—perfect. I'd be extremely likely to recommend them.”
“I did have a very positive experience. The work they did came out great. It was excellent. I had no complaints across the board.”
“Everything looked perfect. There was no problem. They did insulation for me. I'd give them an A grade.”
“I'd give them an A, and I'd recommend them very highly.”
“They did what they said they were going to do. It was insulation work. I would say it was excellent. They deserve an A grade.”
“They glued in some insulation in my attic. They did a good and efficient job. They were clean in what they did. They put carpet protectors down on their way up into the attic. They went over and beyond and fixed my attic door so that it's not so hard to open anymore. I think they did a good job. They get an A+ from me.”
“I liked their professionalism; I would say that would be the number one thing about them. They did insulation for us, taking out old stuff and putting new stuff in. I'd give them an A+ rating.”
“They worked on our attic. They were an A.”
“Southland Insulators did a very good job. They put in new insulation and floored the attic. They were very quick in arranging the work to be done, and they were very clean. Insulation is kind of messy and dirty, but there was no mess at all, so they did a great job. I'd give them an A. I've already recommended them.”
“They were clean, efficient, and got the job done well. They did some insulation in a small portion of the attic and some insulation in the basement area where the basement and first level meet. I would give them an A.”
“This was like a year ago, but I remember they were very professional. They came in, they did what they had to do, and they cleaned up. I'll give them an A. I'd recommend them, too.”
“They did the job they said they would. They did insulation. I would give them an A.”
“They did what they said they were going to do. They did insulation. They deserve an A.”
“They were efficient. Southland Insulators moved throughout the house, and they didn't leave a big mess. They seemed to do a good job. They sealed the attic and put in insulation. I'll give them an A. I'd recommend them. I've only done it once; they're the only ones I've used, so I wouldn't know who else to recommend.”
“They cleaned up very well, and they did everything that I wanted them to do. They actually got two jobs out of one, after doing our insulation. I'd give them an A overall.”
“They did household insulation. They get an A from me.”
“They were very friendly. They cleaned up after themselves. Their work was very successful—my house has been very warm. They did insulation in the garage. They earned an A.”
“I don't know if anything stood out. I had some insulation work done over a year ago. I'd give them an A.”
“I had some insulation work done by Southland Insulators, and it was very good. They were on time, conscientious, and did a nice job. I'd give them an A. I would recommend them. I got them through a recommendation, so I wasn't sure who they were, but they did a very nice job, and I'd be absolutely likely to recommend them now myself.”
“My experience was definitely positive. I've used them a couple times, and when I scheduled my appointment, everything was on time. They were fast, they cleaned up properly, and everything went well with the insulation work. I grade them as an A.”
“They explained everything well. They did exactly what they said they were going to do, and the new insulations seem to be working very well. They get an A+ from me.”
“They did their job as described. They were doing insulation. They deserve an A.”
“I definitely had a positive experience. I'd say they're an A.”
“I've been using Southland Insulation for years. They do my insulation work. I deal with one of the reps directly, and he's always treated me right. They show up on time and do the work they've promised.”
“They were very polite and kept their work area clean. I'd give them an A grade.”
“Southland Insulators did some insulation for us. I had to call them for an adjustment, and they came back and redid it. For that, I'd give them an A, and I'd definitely recommend them.”
“They were pretty neat. They got in and out, and they got the insulation installed pretty quickly. I'd give them an A.”
“It was a great job. They came and did what they said they would do, and then they left. They cleaned their mess up, too. I'd rate them an A.”
“Southland Insulation did insulation work up in the attic. My experience with them was very positive. They were fast, efficient, and my house is so much warmer or cooler—whichever way you want to look at it. I give them an A.”
“My experience was absolutely positive. They came in and did their work. They were professional and kept the place clean. They did some insulation work for me in a house that was under construction. I would give them an A grade for sure.”
“They did insulation work in my old house. I give them an A.”
“The insulation they did in my attic was done on time, on schedule, and they did it for the price they quoted me. I'd give them an A.”
“They were very quick, they were on time, and they were extremely clean. They insulated my attic and the space underneath my sunroom addition. They did spray foam and filled the space. In the summer, it hasn't been as hot upstairs and in the sunroom. I would recommend them. I would definitely give them an A+, for sure.”
“Southland Insulators did a real good job. They insulated my entire ceiling. It took a couple of hours. They did an excellent job, they cleaned up after themselves, and they protected all of my house.”
“We did use Southland Insulators, and it went well. They did as advertised. The technique they used in the upper garage was to poke holes in the wall that shared the other side of the master bedroom, spray insulation, and fill it in. Our bedroom doesn't have cold air coming through, and it's not burning up hot now in the summertime. It was effective. They deserve an A. It was the best-case scenario—it worked out well.”
“I would rate Southland Insulators high on everything. I was pleased.”
“It was really good. They were very careful, they were very clean, and they paid attention to what they were doing. The supervisor was very aware of the little idiosyncrasies in our home. It was a really positive experience—I would hire Southland Insulators again. They blew insulation between our first and second floor. They were recommended by a remodeler we know that we trust. I think they did an A-rate job.”
“I liked that the technicians came when they said they were going to and charged what they said they were going to. They insulated an attic. Their customer service was fine. I've used them before. They were excellent.”
“What stood out to me was specifically that the gentleman we worked with had good knowledge of using a hybrid of foam in a conventional spray insulation. They did our basement band boards in our old, 1890s home. It was an old section of stone wall, and they also insulated better in our attic. Cooling our house, we have noticed that the air conditioner isn't kicking on as much. We would recommend the gentleman we worked with. We have an 1890s construction, and he was able to understand which insulation solutions were best for our existing structure.”
“They did a great job. Southland Insulators did fantastic work.”
“Working with Southland Insulators was positive from the beginning—their quick return of my phone call, the scheduling, and the on-time arrival to do the work. They accomplished it in a very quick time without any delays. They were just a very professional company to deal with. I've had them out twice over the past few years. One job was the main attic, and one was over the garage. Then, I had a wall insulated in my family room. They're an A+ service.”
“The people from Southland Insulators were very professional, timely, and knowledgeable. They insulated our attic, and I would call it A-rate work.”
“They insulated my crawl space. It was a good experience. They came in there, they were clean, they got the work done, and they left. I'd recommend them.”
“Everything was fine. I would rate them as an A.”
“Southland Insulators insulated my home—the wall and the ceiling. It's an A grade from me.”
“I was really happy with the work. They insulated the attic, and they did fine. The customer service was good, too. I would give them an A.”
“I had a positive experience with Southland Insulators. They installed insulation in the attic and insulated around the foundation. The workers were clean and on time. I call that A work.”
“I liked that it was quick, and they were clean. The work that they did made a big difference in our house. They put some insulation in our attic. They move quickly, I guess, in terms of scheduling. Once I told them the work I wanted to do, they set up a time pretty quickly. I heard about them from our neighbor—her son is an engineer, and he approved the stuff they were blowing into the attic. I'd grade them with an A.”
“I liked the quality of materials Southland Insulators used, the ease of scheduling, and the professional staff they sent. They did an overall great job helping me with the energy efficiency of my house. They insulated my attic as well as an overhang in the back of my house. I heard about them through a real estate agent friend of mine who recommends them to her clients. I also used the eco-friendly materials. They're definitely an A.”
“They were efficient, they did the work, and I really had nothing to complain about. They installed some insulation above the garage for me. The guy that came out was quick to come out and give me an estimate. I believe I chose them because they were the first ones who called. I was looking to get it done quickly. I'd give them an A.”
“Southland Insulators did what they promised. They get an A.”
“I had a very positive experience. I liked them very much, and I will use them again. I'd rate them as an A—they were very good.”
“They seemed to know what they were doing and the services that they were providing. They insulated under the crawl space area. I had very limited interactions with them, but they were polite. My neighbor told me about them.”
“The people from Southland Insulators were prompt and clean. We had bats in the attic, so we had to have the insulation removed to take care of the bats. Then, we had to have insulation replaced, and we increased the insulation up there. They were very prompt about everything and very polite. I think we heard about them through a real estate agent.”
“They've been consistent, up front, and professional. They blew in some cellulose in the garage and also in the attic. We've been using Southland Insulators' services for years—this is the second home we've used them for. We'd recommend them. An A grade is fine for them.”
“They did a good job—I liked it. They did the insulation on the garage. I think they also did insulation in the basement. In the basement, they sprayed; in the garage, they pumped it through the drywall. I would recommend them, and in fact, I already have. I would give them an A.”
“They were efficient, they were nice, and they did the work. It's my little attic that they worked on. I didn't go up and see, but I think they did everything. They were great—I think it's good.”
“I like that Southland Insulators did the job quick. I know they insulated the whole attic quickly, and it seems to have done a good job because we're insulated. I know it was the kind of insulation that they spray. I would recommend them.”
“They did what I asked them to do and completed the project. They were fast and prompt about calling and did what they said they would do. They did their job. They put blown-in insulation in the wall behind my fireplace. I would recommend them to family and friends. It's an A company.”
“We really liked the representative that we worked with, Robert. He was very detailed and answered all of our questions. They insulated our basement crawl space with closed-cell foam. We renovated the house entirely and reinsulated everything, so the house in general is much more energy efficient. It's impossible to say which portion of it is due to their work, but I would say it must be in part. I would recommend Southland Insulators for sure.”
“Everything worked out really well. The workers were very professional and very knowledgeable. They knew what they were supposed to do, they were on time, and everything was done according to what was estimated. I don't have any negatives. They insulated the basement crawl space and the attic. In the crawl space, they did blown-in, hard insulation. They made a weatherproof coating in the crawl space, and then in the attic, it's a loose type of blown-in insulation that's fluffy. The other is probably a polymer of some sort that dries hard. There is less dust, which is one thing. In the attic, they didn't just insulate—they also sealed up areas that were open where pipes come up, so I have noticed less dust. The air conditioning and heating systems seem to be working really well and really efficiently. It would be an A grade from me.”
“They did the job. I believe it was in the attic and the ceiling above the garage where they did blown-in insulation. Southland Insulators was one of the first companies I called, and they came out quickly. I would recommend them. If I graded them, it would be an A.”
“I wasn't actually here when they did it, but we've had no issues so far. I've seen no noticeable differences. They did insulation on the pipes above the garage, I believe. I would recommend them. They deserve an A.”
“Everything was fine and on schedule. The guys did good work—they were clean. They insulated the attic with spray foam. I chose Southland Insulators because I work for a company that does construction, and they use Southland a lot. I would recommend them—I already did to more than one person. I'd go with an A for them.”
“They showed up when they said they would and did the work they were supposed to do, and I can't ask for more than that. They insulated a basement. They did exactly what they were supposed to do, and I had no complaints. I would recommend them. An A grade is fine for them.”
“It was fine. They had a quick response, and they got the job done. They did the attic above the master bedroom. I was recommended to the company.”
“They were really nice, and everything was fine.”
“The people from Southland Insulators were efficient and clean. The work was for my attic. They deserve an A.”
“I needed some of their service, so Southland Insulators came out and did it. They came and did what I needed them to do, so I was happy. They did some spray foam for me. They've been around for years, so they're known in the community—that's why I chose them.”
“They did insulation underneath my kitchen. They did a very good job. Some of the insulation came a little loose—they did it last fall, and it was in the spring that I noticed—and when I called, someone was out within a few days and retaped the area that had come a little loose. I had no problems with the guys that came out. We set up a date on a Saturday morning. They were a little late getting here, but they came. They called to tell me they were running late. I'd give them an A.”
“I would say an A is what Southland Insulators deserves—they were quick, efficient, and on time.”
“We were happy with what they did. I think my husband was pleased with the work that they did. They insulated the crawl space in my mom's house.”
“I liked the good service—they were responsive and timely. They did the whole full-length insulation—the floor-to-ceiling stuff. They had done a small piece of work before. We had a bathroom put in recently, and they were subcontracted by the group that put the bathroom in. We liked the work and got in touch with them directly to get a bid on the second thing we were doing. That's how we found them. I'd say they earned an A, definitely.”
“When we moved, we had bad insulation and replaced it in the ceiling cavity. I am in commercial construction, so I'm familiar with Southland Insulators as a matter of my dealings at work. It's an A from me.”
“Southland Insulators did very well. I had a very positive experience. They came in and insulated our attic, and it was quite a difficult process. We have a very old house. They did everything very well, and they kept everything clean. They had to run in these large ducts—plastic tubes—to pump in the insulation, but I was surprised at how clean they kept everything. They draped everything, like the furniture and the bed. The attic has a very small trap door, but they managed to get everything that they needed up there and did a great job. It was really complex, but they did very, very well. I would definitely give them an A—a resounding A, absolutely. They're A++. I would use them again in a heartbeat.”
“Southland Insulators did a wonderful job; I was really pleased. They installed the insulation, and what stood out to me was the way they represented and conducted themselves, the work they did, and how they cleaned up. I would rate them as an A.”
“We're super happy with the end result. They did what they said they were going to do, and they left everything in good condition. The insulation has been great—it's made a huge difference in the house. They insulated the crawl space under the roof with a combination of blown-in insulation and the stuff you just unroll. I would recommend them. They get an A in my book.”
“Southland Insulators worked hard and got the job done quickly. They did a fantastic job. They insulated my attic and my crawl space, and their customer service was great.”
“They put insulation in the attic, and they were wonderful.”
“Southland Insulators is great. I would give them the highest rating possible.”
“They put insulation in my attic, and the quality of their work was fine. I have no complaints—they did a good job. They were clean, and they did what they said they were going to do. I'd give them an A+ rating.”
“Southland Insulators put insulation in our attic. I chose them because they were listed in Best Pick Reports in our area. We have recommended them, and we'd use them again. I'd give them an A grade.”
“They blew insulation in the attic and throughout the house, and they did a good job. The workers were good. I'd give Southland Insulators an A rating.”
“Everything went well with Southland Insulators. They added some insulation to my attic and checked to make sure it was insulated properly. Their honesty was the best part. As soon as he looked at the attic, he saw that there was insulation up there, and he immediately said they're not going to do the other stuff because I didn't need it. I'd use them again because I've used other people for other things, and Southland was much better. I was happy with the result.”
“Southland Insulators did a good job. They put insulation on the roof and ceiling. There was nothing in the ceiling—it was almost empty. Inside the house, it was freezing cold, but once we put the insulation in, everything was OK. I would give them an A.”
“Southland Insulators put more insulation in my attic, and the quality of work was excellent. I would give them an A+.”
“Southland Insulators did insulation renewal in the attic, and the quality of the work was excellent. The technicians that came in were excellent. I would absolutely recommend the company. They're an A+.”
“They did a very good job, and I think the company is excellent. They put insulation in our attic. I was not here at the time, but I do not think it took them very long. They are very efficient, and they did a good job with the cleanup. They are very courteous, I hear from my wife. They did a good job. A+.”
“They were easy to work with. The saleswoman, Kim, was out there when she told me would be, and the crews came out at different times, didn't make a mess, and did a great job. The house has been staying warm. We're not in the house yet, but we're over there working, and the thermostat says that I've got it set at 62 degrees, and the house is 62 degrees, so it seems to be working fine. They're A++.”
“Southland Insulators did basement insulation for me, and they also did attic insulation and wall insulation. I've noticed a change. They were on time, did their job, and cleaned up. Everything went well. It took a very short amount of time to complete the work. They'd get an A++ from me.”
“Southland Insulators are the folks that blew in the attic insulation for my home last May. They were on time, and the job quality was what I expected. All very high marks—I know I never had any complaints. They absolutely cleaned up after themselves. I would give Southland Insulators an A grade.”
“They did all the work that we agreed to and did it well, and we've noticed a definite improvement in our insulation in the home. It's working and holding up well. I'd give them an A.”
“They were very professional, very knowledgeable, and made some good suggestions on the insulation work—it's very effective. We have kind of an odd storage area, and they suggested insulating the door on the inside. They also did some special insulation around the structure leading to the skylights. I'd give them an A.”
“They're the one that insulated the houses when they were built. They just did good work. They were on time, and they did what they were supposed to do—no complaints, no issues. They cleaned up, and everything was good. They insulated my garage, so what they've done hasn't made a difference yet because I'm still in the process of making my garage climate controlled. They just did the first part, and I haven't got the HVAC stuff done yet. I'll do that next year. They get an A+.”
“I remember the work Southland Insulators did. I liked the technical confidence of the salesman and the fact that they did everything right once it was designed. Different kinds of insulation are needed for different situations in my house, and he understood all the types that were available and what to use in what circumstances. He didn't have one answer for everything—he had the right answer for each thing. It's hard to speak about a difference because although it was remodeling, it was a tripling of the size, so it's almost like new construction. It's hard to compare old to new, but it does seem to be very effective insulation. I haven't had a chance to figure out what I think of the energy bills yet. It's very effective in terms of the only cold spot that I can find is by the front door, and that has no insulation at all. I'd give them an A+ grade.”
“Southland Insulators insulated a shed for me, and I've noticed a difference as far as temperature. The sales agent that I dealt with was able to negotiate very quickly, and he had a crew in very, very fast that took care of the job. They came in while I was gone, did the job, and left, and the only evidence that they were here was the insulation on the walls. It's an A+.”