"Mr Lenard arrived at my block and beam farm house spent as long as necessary talking through options and prices points for old under house insulation removal and replacement with spray foam. He also walked through actions I should take to reduce moisture collection underneath the house. Leonard was patient with my schedule while I actioned the recommendations, and finally, spray foam work conducted was above expectations. Thank you Leonard and the Insulation Services team, when it’s time to insulate the barn, I’ll be calling again."

"Bottom line: I would hire this company again. Koala Insulation came and inspected my attic spaces with a infrared scanning tool. They looked at the level of insulation and found areas where the heat was penetrating more. They recommended specific actions and gave me a number of quoted options on the spot. I was then able to book the service within days of the initial visit. The technicians came and performed the service professionally and made sure to involve me where needed. I would hire them again."

"I had a pretty good experience with this company from start to finish.  They were actually recommended by another insulation company who did not have all the materials to do what proved to be a rather complicated insulation job. 
Our recently purchased 1950's house has a converted attic with knee-walls upstairs (provides no backing to support most insulation systems).  Some walls were partially open due to a complete new re-wire.  (I left wire-runs exposed to avoid possible drilling into cables.)  Payless insulation was able to devise an insulation system that would work within these constraints.  Payless thoroughly vacuumed out old insulation (matted and dirty from rodents which had, at some point in history, taken up residence in the crawl spaces) prior to blowing in the new Cel-bar.  The improvement to the house temperature was quite noticeable the following day.  (Upstairs results were less noticeable, but that is likely in part due to old single-pane windows which we have not yet replaced.)
I realize I will probably find I need better ventilation in attic spaces as well as new windows to appreciate the full effect of insulation.
 Towards the end of the job, I did get the impression that the crew was rushing to finish up so as not to have to return a second day (as initially scheduled).  There were a couple of very minor oversights -- negligible for the size of the job.  But when I discovered a real concern a couple days after the job (attic insulation was blown up and covering the only attic ventilation -- two small gable vents -- in a very tight, and no longer accessible space) a member of the crew returned to address it (which needed to be done from outside on a very tall ladder!)  He spent a fair amount of time insuring that all was right.  I am happy with the final results.
Everyone working with Payless Insulation was professional, gracious, caring, and took the time to ensure that I was 100% satisfied with the final outcome.   This was a complicated installation, and they did a good job.

UPDATE:
I am lowering the grade to a "B" based on some subsequent observations.  I had expressed concern that there was no blocking between floor joists where they ran into the uninsulated crawl-space.  I was concerned that settling of blown-in insulation in the un-conditioned crawl space might permit unconditioned air to flow between floors of house.  While Payless insisted there would be no settling, this has in fact occurred (either that or nowhere near enough insulation was initially installed).  Furthermore, a representative from my A.C. company recently explained that the install was regardless inadequate without some form of vapor barrier -- the insulation is only like a "cigarette filter" without a barrier -- and that convection currents would regardless cause air exchange between the insulated and non-insulated spaces.   I am a little disappointed to find that my expensive insulation is not functioning as it could/should."

"My experience with Energy Attic USA went really well. They were very good price wise. They did a good job and they’re the only company that I find that would do a reading and barrier that actually use a metallic foil reading barrier that they would put in instead of spray. That’s what I wanted. It’s supposed to be much better. It’s all under insulation."

"Nice office staff who went above and beyond to come out and give free estimate,  I had my insulation upgraded to R-50 in my existing home nice clean job!
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"Were able to stop by within hours of the call.  Fixed the heating system by replacing faulty wiring. Professional & fast.  Thanks.
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Very likeable and responsive.  Had some of the additional repairs completed resulting in the extra charge.  Total: 99+250.  Was clear that additional work was optional at this time.  Decided to have it done anyway.

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"They two servicemen were extremely helpful in explaining my new air conditioning systems to me.  I'm sure I will save on my electricity bill in the future!
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"MARC JONES CONSTRUCTION TEAM  ARRIVED ON SCHEDULE AND INSTALLED THE SOLAR ARRAY OVER TWO DAYS.  ON MONDAY, WE HAD INSPECTION AND A FEW DAYS LATER THE ATTIC WAS INSULATED WITH FOAM TO REDUCE HEAT LOAD ON AIR CONDITIONING SYSTEM.  EVERYTHING WENT SMOOTHLY EXCEPT FOR INADVERTANTLY UNPLUGGING THE SYSTEM CIRCUITBREAKER DURING THE FOAMING OPERATIO.
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"Professional team that came in on time and did a great job of blowing in fiberglass insulation into the attic."