Combi (or combination) boilers are typically high efficiency systems (+90% AFUE) | True | 86% | False | 4% | Not sure | 8% | | | Question: Combi (or combination) boilers are typically high efficiency systems (+90% AFUE) Top Answer (86% of 23 votes): True.
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 | Answer: True Explanation: Heating-only condensing boilers provide a closed-loop central-heating option. Heating-and-water-heating, or combi, boilers, meanwhile, are engineered with an open loop for domestic-hot-water output and a closed loop for central heating. Thus, they can serve as both a high-efficiency, on-demand water heater and a central heating system. By installing one combi boiler per apartment, owners can individualize utilities for tenants. | Barwick Heating & Cooling | | ProMatcher | 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 | Answer: True Explanation: wallpacks | H.O. Electric |
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