Combi (or combination) boilers are typically high efficiency systems (+90% AFUE) | | True | 83% | | False | 8% | | Not sure | 8% | | | | | Question: Combi (or combination) boilers are typically high efficiency systems (+90% AFUE) Top Answer (83% of 24 votes): True.
Answer: False
Explanation: no
| | HVAC Philly Inc | Answer: Not sure
Explanation: Never worked on one or even seen one, so I'm not sure. | | Arizona's Best Heating & AC, Inc. | Answer: Not sure
Explanation: Have not used one. With heating I would always encourage +90 AFUE. | | Air Connection | | | ProMatcher | Answer: False
Explanation: Not always. The old units use to have a winter / summer hook up | | HVAC and More | Answer: True
Explanation: Typically but not in oil fired | | CASEY'S HVAC LLC | Answer: True
Explanation: Manufacturers vary in there efficiency but almost all combi boilers are higher efficiency and therefore can be vented in pvc and cpvc piping because more of the heat is removed by the appliance and the exhaust gas is cooler | | 123HVAC of Long Island | | | ProMatcher |
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