First of all it is common to have areas of firmness in the first 2-3 weeks following surgery. Your surgeon can tell you if there are any concerns and I trust you are having regular visits with him/her.
Massage can help manage firm lumps and bumps following Vaser, Smart Lipo, and tradtional liposuction. I don't think the any heat is needed and may make make matters worse as well as "over manipulation/massage" especially in the first several days.
Therapeutic or "lymphatic massage" may be helpful following a Liposuction (Smart Lipo, Vaser, Tickle lipo, or conventional lipo) to minimize swelling. Make sure your surgeon feels that you have healed sufficiently and it is safe before doing this. Ultrasound and/or Endermologie treatments are also helpful in many after liposculpture/liposuction but again, not critical. Although deep tissue massage following liposuction can aid in smoothing out contour irregularities that invariably accompany this procedure it has limited effect on the final outcome and is NOT mandatory. Some plastic surgeons recommend it to all patients as they feel the edema resolves faster. Ask your surgeon to show you or a significant other how to do this if cost is an issue. Typically they will have you massage toward areas of maximum lymphatic drainage ( for example groin or armpits) A low sodium diet may also be helpful early on.