We base our recommendations on what is needed, what we recommend and allow the customer to make their own choice. We warranty any and all parts we replace or install and offer a 30 day warranty on our labor. The standard parts warranty is 1 year which covers any hardware replaced. Up to a lifetime warranty is available at an additional cost. We offer a free parts replacement if anything is defective during the warranty period. The customer will only be responsible for labor cost. We are certified and insured for your peace of mind. In the residential industry let our family serve yours.