We serve both residential and commercial customers, and do so with excellence. In fact, we guarantee excellent service every time, and promise that our technicians are reliable and hardworking. We are so confident in our services that we provide a 14-day guarantee. If you are dissatisfied for any reason within 14 days of service, simply call us and we'll return and rework any problem areas free of charge. We call this our Zenisfaction Guarantee.