The SQ175 is our biggest heat pump ever and carries all the standard HeatWave SuperQuiet features but with higher BTUs and COPs. Comes standard with a limited lifetime warranty that keeps you stress-free for the life of the heat pump. HeatWave SuperQuiet SQ155 is a sure-fit for your swimming pool. Since 1972 we have been building and servicing pools. We are a BBB A+ Rated company. Our Specialties include: Pool Openings and Closings, Loop Loc Safety Covers, Furniture Shrink Wraps.