The best replacement for ice is heat.

The best alternatives to ice are rated as following:
★★★★★  heat
★★  heat for back pain
★★  fire
★★  water
★  snow
★  heat for sore muscles
★  heat for pulled muscle
★  cbp
★  heat for gout
★  regular ice
★  heat for muscle spasms
★  sleet
★  ice
  heat for lower back pain
  dry ice
  heat for swelling
  queen
  cme
  heat for knee pain
  heat for pain
  meth
  toilet water
  water volume
  heat for neck pain
  heat pulled muscle
  heat treatment
  heat for a pulled muscle
  corba
  heat injury
  border patrol
  heat for muscle pain
  lava
  ins
  ice cream
  nhl ice
  salt
  density of water
  temperature
  water density
  heat sore muscles
  cortez
  snow cone
  swave sevah
  heat compress
  zone alarm
  david bowie
  tgv
  todd bridges
  heat on muscles
  jay dash
  heating pad
  fci
  volume of water
  heat therapy
  tech 9
  cubed ice

Your alternative for ice is not listed? Suggest!
Speaking about ice, one probably shouldn't forget about salt.

Other search terms related to ice and their ratings are:
★★★★★ salt
★★ beer
★★ milk
★★ scotch
★★ whiskey
★★ freezer
★ bubbles
★ cognac
★ sawdust
★ red wine
★ tens unit
★ nutribullet
★ salt on skin
★ hookah
boiling water
ice tray
water
rain
ice cream
You have in mind a companion for ice and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of ice in all years. Click on graph for more.
ice
heat
heat for back pain