Should your business be using an electric booster heater or a gas booster heater? What is the difference? An electric booster heater is typically cheapter when it comes to purchase and installation, but will dramatically increase your electric bill when peak season hits. Electric booster heaters also take up less space, so for smaller businesses with less demand, an electric booster heater may be a great choice to keep costs low. Reliable Water Services has all the equipment you need and great services plans for water heater rental, maintenance, and more. For all of your hot water needs, trust the professionals at Reliable Water Services. We serve commerical businesses and more in Southeastern Wisconsin, Indiana, and the upper Midwest areas.