Showed up to perform routine maintenance, verified indoor airflow to be good, went outside and checked pressures and temperatures, found that unit was extremely low on refrigerant, discussed options with client, client wanted to move forward to replacement, but needed to talk to husband first. Client will reach back out to us with option they go with. Rate on levels were high in the home, discussed radon levels and dangers, client‘s husband is planning on waterproofing basement in future, and will possibly reach out to us about installing radon system.