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They can't make money by topping a refrigerant charge so the temp drop (20° +/-) is irrelevant to them and as you stated "It looks pretty old". A proper load calculation would indicate how close the existing equipment's capacity is to actual need. Duct leakage and blower door tests are the norm and solving those problems can really impact the hvac loads in addition to adding insulation, cool roofs, and radiant barriers. Sounds like they're taking a comprehensive approach which is good but comes along with a hefty price tag and is reliant on the homeowner's (landlord) desire to see a favorable ROI.
If the auditor is just an auditor, you'll get some straight answers. If the auditor is also going to propose/bid the work...well, you know....
A good/better/best approach seems to make most folks comfortable when deciding as they can pick the budget/outcome and prioritize the upgrades.
If the auditor is just an auditor, you'll get some straight answers. If the auditor is also going to propose/bid the work...well, you know....
This is the part that worries me. They did all the tests and I'm meeting them in the "Showroom" this week so they can go over different options. They do ALL the work in house.
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