A condensing water heater captures heat from exhaust gases that traditional units vent outside. A secondary heat exchanger condenses the exhaust and reclaims latent heat, pushing efficiency above 90% in many models. Condensing units are available in both tank and tankless designs.
/kənˈdɛnsɪŋ ˈwɔːtər ˈhiːtər/
A condensing water heater captures heat from exhaust gases that traditional units vent outside. A secondary heat exchanger condenses the exhaust and reclaims latent heat, pushing efficiency above 90% in many models. Condensing units are available in both tank and tankless designs.
How does a condensing water heater work?
It uses a secondary heat exchanger to recover heat from exhaust gases, which boosts efficiency and reduces wasted energy.
Source: The Cooling Company
Condensing tech reuses exhaust heat to boost efficiency.
Homeowners upgrade to a condensing water heater to cut energy bills while maintaining reliable hot water for daily use.
Plan for condensate drainage and consider a neutralizer to handle acidic condensate safely.
“Plan for condensate drainage and consider a neutralizer to handle acidic condensate safely.”
Condensing technology is a major leap in water heating efficiency and emissions reduction.
Do condensing water heaters need a drain?
Yes. Condensing systems produce condensate that must be drained safely.
Are condensing water heaters worth the cost?
Often yes, especially for higher hot-water demand and with available rebates.
Can I replace a standard unit with a condensing model?
Usually, but venting and drainage requirements may require modifications.
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