A field study of combo heating systems in Canadian single-family buildings

This study presents a field study of the performance of three multi-zone gas-fired comboheating systems that provide space heating and domestic hot water in three new single-family houses in the Greater Toronto Area in the Province of Ontario, Canada. Two systems are composed of a gas-fired condensi...

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Veröffentlicht in:Energy and buildings 2022-04, Vol.260, p.111905, Article 111905
Hauptverfasser: Abdel-Salam, Mohamed R.H., Cable, Matt, Zaidi, Aqeel
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creator Abdel-Salam, Mohamed R.H.
Cable, Matt
Zaidi, Aqeel
description This study presents a field study of the performance of three multi-zone gas-fired comboheating systems that provide space heating and domestic hot water in three new single-family houses in the Greater Toronto Area in the Province of Ontario, Canada. Two systems are composed of a gas-fired condensing tankless water heater integrated with a smart air handling unit, while the third system is composed of a gas-fired condensing combi boiler integrated with a smart air handling unit. The performance of the three combo heating systems was monitored, analyzed and evaluated over one heating season. The gas consumption of the three systems were compared with traditional gas-fired heating systems (composed of forced-air gas furnace and gas storage tank water heater). Results showed that combo heating systems tested in this study are reliable, met the peak space heating load, improved the indoor thermal comfort by providing two independently controlled temperature zones and achieved significant gas savings compared to traditional natural gas heating systems. The annual gas consumption and greenhouse gas emissions of the combo heating systems tested in this study are less than the traditional gas-fired heating system (forced-air gas furnace and gas storage tank water heater) by up to 29%.
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source ScienceDirect Journals (5 years ago - present)
subjects Consumption
Emissions
Field study
Gas heating
Gas-fired combo heating system
Gas-fired condensing combi boiler
Gas-fired condensing tankless water heater
Greenhouse gases
Heating
Heating load
Heating systems
Hot water heating
Houses
Hydronic heating
Low-carbon heating systems
Natural gas
Peak load
Space heating
Storage tanks
Thermal comfort
Water heaters
title A field study of combo heating systems in Canadian single-family buildings
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