• Building Sciences LLC offers full home performance services in New Jersey

Get unmatched comfort, safety & energy performance

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Welcome to Building Sciences LLC

When it comes to the comfort, safety and energy performance of your home or business, you can rely on Building Sciences LLC to offer unmatched, expert services. Our certified energy efficiency experts use industry best practices to optimize your home and commercial energy performance through energy audits, home comfort diagnostics, infrared testing, AC and furnace replacements, oil to gas conversions, retrofits, air sealing, crawlspace repairs, basement waterproofing, insulation removal, spray foam and cellulose installation and home automation. We take a whole-building approach to increasing the health and efficiency of your building and we work with you to come up with a plan that is affordable, high-reward and no-fuss.

Building Sciences LLC can help you cut up to 50% off of your energy bill. Call us today to find out how.

Heating & Cooling

We provide top-of-the-line heating and cooling products and services. Replace your AC and furnace with our top brand products and we’ll dispose of your old units in compliance with federal EPA guidelines. We will drastically improve the comfort and safety of your home with 100% satisfaction guaranteed.

Oil to Gas

We are oil-to-gas conversion specialists. By switching your home from oil to natural gas, you will be drastically decreasing your carbon footprint, all while saving money and time. In just two days, we can complete your oil to gas conversion, and we can do it with no money down from you.

What Our Customers Are Saying

  • I wanted to reach out to you specifically to thank your team for the work done in my attic. Terrell and his crew treated our home like it was there own throughout the work. They helped me move some old boxes I had in the attic out of the way and put down cloths all over to not make a mess.

    Richard M., Marlboro, NJ
  • Well done to your team on our recent job! From my first visit with Mike to Terell and his team performing the work, my experience with you guys has been nothing but top notch.

    Terri W., Hopewell, NJ
  • We are VERY happy with the work on our home! We were hesistant about the Energy Star program at first, but we're saving a TON on our energy bills and our upstair bedroom is finally comfortable without a fan or a space heater. Thanks! :)

    Lisa R., Westfield, NJ
  • I want to commend your company and team for the impressive work in our home. We were very impressed by the pricing and energy savings we received from the work, and the process was so simple.

    Robert C., Bridgewater, NJ
  • We are very satisfied with our oil to gas conversion. We were pretty unsure of the process we needed to go through, but it was clear that your team were professionals who had done work like this hundreds of times before. The work was clean, timely, and impressive.

    Richard E., Millburn, NJ
  • Work was done well. I wanted to single out the members of the crew working at my house for their outstanding work. I've worked with many contractors before, and it's tough to match the helpfulness, cleanliness, punctuality, and dillegence of your staff.

    Frank C., Marlboro, NJ
  • Thank you for the work you did on our home. You did a wonderful job walking our family through the process, and I could see the passion your entire staff has for what you do.

    Susan G., West Orange, NJ
  • I got my oil converted from oil to gas.  Everyone was super friendly and you all treated me so special.  I got eveyrthing done, with no money out of my pocket.  I am going to referr you to all  my firends and family.  Thank you very much.

    J. Carsta, Parsippany, NJ
  • The heating/cooling equipment was installed by Service Professionals. The insulation installation was done by Building Sciences. Both teams were friendly and professional in their work. They kept us informed of their progress and the work they were doing.

    Warren B., Summit, NJ
  • The team that was sent to us was courteous, professional, and fantastic. They were patient with ALL of my questions! They did an excellent job in keeping my home neat & clean. Thank you!

    Carol H., Sea Bright, NJ
  • Josh and his crew were THE BEST contractors I have had in my house! They showed up 10 minutes early, walked me through the whole process and explained everything that they had to do.

    Joe B., Lake Hiawatha, NJ
  • My overall experience with this program has been very pleasant. I can attribute the majority of that to the fact that I knew exactly what to expect.

    Mark B., Montville, NJ
  • When I first signed up for the Home Performance program I was hesitant about how much effort it was going to take to complete this project from start to finish. I had only heard about it from a friend.

    Michael M., Jackson, NJ
  • All work crews that came and went were courteous, clean, and pleasant to talk to. I would recommend Gold Medal and Building Sciences to any of my friends that are looking for the work.

    Michael M., Jackson, NJ
  • Josh did a great job. Thank you very much for everything!

    Peter O., Manalapan, NJ
  • I appreciate their efficiency. I also appreciate the fact that they brought my Christmas decorations down from the attic. Thanks for the gifts as well. I notice a difference in our house already. Thank you so much.

    Matthew H., Little Egg Harbor, NJ
  • Mr. Burney, I am writing to express to you my gratitude for the outstanding job that you and your team did in dealing with my home performance upgrade project. When I initially contacted you it was because I my home was drafty, frigid cold in the winter, and blistering hot in the summer.

    Pete T., Succasunna, NJ
  • Over the years I have had many contractors work in my home. Sometimes they are great, and sometimes they are absolutely terrible. One thing I can tell you for sure is that none of them hold a candle to the gentlemen you sent to perform work in my home.
    Irving K., South Orange, NJ
  • Excellent job guys! My house is already so much more comfortable!

    R. Patel, Parsippany, NJ
  • The install team was very thorough in their work and in their explanations about the work to be done. They fully explained everything to me and helped me to understand the whole process! I would recommend you to my friends!

    Lisa R., Little Falls, NJ
  • Everyone involved was VERY polite and professional!!! The insulation team was very helpful!

    Luann P., New Providence, NJ
  • Your team leaders were top notch. They were very considerate of the fact that I have a young child in the home and were sure to use extra caution in all aspects of the work. I could tell that they really care, and for me that is the most important thing!

    Matt F., Basking Ridge, NJ
  • Rashid, your crew did a fantastic job of weatherizing my home! Josh, the crew leader, was a pleasure to work with he answered all of my questions with detailed explanations. The crew was cautious, courteous, and clean. Thank you for making this whole process so easy.

    Dave M., South Orange, NJ
  • WOW!! That is all that I can say. I am so impressed. This home performance program was a no brainer! I called several HVAC companies and asked for quotes and none of them even mentioned these programs.

  • The install crew did a great job, neat, clean, on time and very respectful.  Heidi from the office also deserves credit for her help in guiding us through the paperwork process. Thanks Building Sciences!

    Ed K., Bergenfield, NJ
  • You guys did a great job! Josh was a great Project Manager and left the house spotless. Feel free to use me as a reference!

    Joseph G., Chester, NJ
  • ...The crew was very courteous and kept my home clean!

    L.W., Old Bridge, NJ
  • Rashid, I just want you to know that your crew was wonderful to work with. Danny and Rusty were so knowledgeable and taught me so much. Please make sure they know how great of a job they did!

    Rose M., Scotch Plains, NJ
  • When I had Building Sciences do work for me, I had no idea how thorough you were going to be in my attic and around the house. You fixed problems I did not even know I had as part of your insulation and weatherization. Your workers are the best!

    Mary H., Fanwood, NJ
  • I am very glad I found a company like yours. Your employees and workmen were very efficient and courteous. I would recommend your services to anyone. Thank you. N.P.

    Nils P., Brown Mills, NJ
  • All work went well as planned. I am very pleased with all men that worked at my house. Thank you all for a job well done.

    Bertha P., East Brunswick, NJ
  • I could not be happier with the equipment you installed. Both teams made this overwhelming task very easy! I have already recommended your company to friends.

    Mather M., Hamilton, NJ
  • It was a long process, but we believe it was well worth it. Everyone was very good and pleasant. We will not hesitate in recommending you.

    Susan T., Monroe, NJ
  • Sir, Your team just left my home. They spent the day here insulating my attic. I can’t praise them enough for the job that they just did.

    Christopher H., Keansburg, NJ
  • I am writing to let you know that I am very satisfied with the work performed by your team. They explained everything to me in the morning, and by evening, everything was done. I was not without heat for any night and the new AC is keeping our home much cooler.

    Jason S., Chatham, NJ
  • Hi Rashid,

    Thanks for the follow up. It has now been six months since your crews were here.This is the first winter where I can say my home is cozy. Cozy! Cozy. Cozy!

    Janet F., East Brunswick, NJ
  • I called earlier, but again I would like to say thanks to Mike, Rob, and the rest of the crew (sorry, bad with names). They were very professional, courteous, friendly, and helpful. They worked tirelessly, long and hard to make our house more efficient.

    Jeff K., Hillsborough, NJ
  • I am writing to express to you my gratitude for the outstanding job that you and your team did in dealing with my home performance upgrade project. When I initially contacted you it was because I my home was drafty, frigid cold in the winter, and blistering hot in the summer.

    Pete T., Succasunna
  • Repair Heating System

    Our Weil McLein steam boiler stopped working. We called PSE&G, who we had a worry free guarantee with, who came out and told us it had a crack and needed to be replaced. We called around and had about 6 heating companies come out to give us a quote on the job.

Watch us on Channel 7 News!

We're thrilled to have been chosen by Eyewitness News for this excellent segment on energy audits & efficiency improvements. 

Convert your home from oil to gas today with $300 off.
Get a brand new heating and cooling system for $200 off.

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