The tenants are a nice family, new to the country, have their kids in private school within walking distance, are employed in energy and very much do not wish to move.

There is a lot to learn and tons of people out there who love teaching people who have the energy to go get it!

Landlord set up and control of the property Wi-Fi can provide many advantages, from becoming a small but steady source of extra revenue, to enhancing security (remote control and recording of gates, entries, exterior building & common area cameras); to saving time (remote entry control & rekeying of door codes); to saving money on maintenance (through instant water leak notification & advance indications of appliance malfunction); to saving both tenant and Landlord money on energy usage through remote timing and/or turn on/off all or some lights, appliances and devices;  to ensuring compliance with lease agreements (real time notice of smoking on property, excess people on property), and so much more.Did you know that for $300 (plus installation), a landlord can install a device that will record and report in real time the energy consumption of pretty much any electrical device on the property (https://sense.com/ ) ( https://www.schneider-electric.us/en/home/smart-home/wiser/wiser-app/ ).

Check the SEER rating on your AC, you may want to consider replacing it with a more energy efficient system.You can pay an energy consultant but they are more than likely just going to sell you additional insulation for your attic.

Sure, this is not what we want to hear as investors at times, but it is the reality and it is best to move on quickly before expending any more unnecessary energy and time.Just my $0.02  

Some of the companies manufacturing them are even designing energy efficient / carbon negative homes to appeal to a generation that is increasingly trying to reduce its carbon footprint.

Don’t waste your time and emotional energy getting tied up with the personal situation.

West houston near the energy corridor. 

Note: Principal paydown on your next investment property can boost that return % if you choose to include it. 

There are in-ceiling options coming on the market, which are worth considering.The energy savings are a potential selling point, but most buyers don't put a lot of weight to this (which I don't understand, but, you know, people).