If the structure on the property is determined to have no value, be careful when you consider paying the “value of the land”.The value of raw land is different than the value of land with an existing structure, even if the structure has no value.  

Is replacing the HVAC with a completely different unit the best solution?

But what about using a different way?

Split the difference, 57,500.

The thread addresses a different topic, the Real Estate Professional status, but the same principle applies to the hours in both contexts.

The house had the utilities turned off for the 6 years, and was filled with the original 1 owner's furniture, clothes, appliances, car and ecn food in the frig (without elctric on for 6 years). 

These loans do come from banks directly (Fannie/Freddie loans come from the Federal Government) so each bank that offers these types of mortgages might have slightly different requirements. 

Would you be able to help if we're in different states (I'm in CA)?  

The great thing about BP there are different people with different perspectives and experiences.  

It’s a start, but will it be enough to truly make a difference?