HVAC TLAs

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Across
  1. 2. SENSIBLE
  2. 3. us
  3. 5. RETURN
  4. 9. EFFICIENCY
  5. 11. coil
  6. 12. english
  7. 13. LBS
  8. 15. 400/ton
  9. 16. ROOF
  10. 18. certication
Down
  1. 1. OLD
  2. 4. commission BASED ON
  3. 6. annual FUEL USE
  4. 7. annual
  5. 8. outside
  6. 10. BASEBALL
  7. 11. blower
  8. 14. stock keeping unit
  9. 17. NEST