The blow up of water heaters comes from the temperature and pressure valve (T&P) being omitted or incorrectly done or defective.

It is a standard electric window unit so putting a lock on it to keep in above a certain temperature is not and option, and we cannot separate the electric bill since we've already listed utilities as included in the lease and all of the electric runs on the same meter. 

In another thread on BP we recently discusses egress windows for basement units.Another issue is dampness of basements and the difference in temperatures.

Since you don't provide heat per the lease I don't know if you have an obligation if you do heat to meet the temperature guidelines.

Failing to install new concrete steps when the old ones have a 5 degree slope so a guest slips on ice and falls and beaks a hip, failing to turn down the temperature on the coffee pot after 2 customers complained and received 3rd degree burns(the McDonalds case).

This expense becomes additional rent to the Tenant.Exterior Faucets and Hoses:When the outside temperature gets close to the freezing temperature for water, the exterior faucets should not be used.

Cosmetology, welding, auto repair, dental assisting, etc.

The county planning departments (Adams and Weld) can also be contacted to weigh in on your plan.

Make sure you have good drainage, good barrier protection, good ventilation and maintain an adequate temperature in the space.

Also, there was only about a 5-6 degree temperature drop at the registers and the air just did not seem cold.