{"ok":true,"province":"water-heater","name":"給湯器（タイプ）","name_en":"Water Heater Type Selector","level":1,"criteria":[{"id":"wh_running","label":"ランニングコストの低さ","label_en":"Low running cost","direction":"higher","description":"毎月の光熱費（電気・ガス・灯油）の安さ。10年で数十万円の差に","unit":null,"kind":"editorial"},{"id":"wh_initial","label":"初期費用の安さ","label_en":"Low upfront cost","direction":"higher","description":"本体＋設置工事費の安さ。交換時にすぐ効く","unit":null,"kind":"editorial"},{"id":"wh_subsidy","label":"補助金の手厚さ","label_en":"Subsidy support","direction":"higher","description":"給湯省エネ2026事業など公的補助の対象か・金額","unit":null,"kind":"fact"},{"id":"wh_eco","label":"省エネ・CO2削減性能","label_en":"Energy efficiency","direction":"higher","description":"一次エネルギー効率の高さと脱炭素性","unit":null,"kind":"editorial"},{"id":"wh_install","label":"設置のしやすさ・省スペース","label_en":"Ease of install","direction":"higher","description":"設置面積の小ささと工事の手軽さ。集合住宅でも置けるか","unit":null,"kind":"editorial"},{"id":"wh_hotwater","label":"湯量・同時使用の余裕","label_en":"Hot water capacity","direction":"higher","description":"お湯切れのしにくさ。大家族・シャワー同時使用に強いか","unit":null,"kind":"editorial"}],"items":[{"id":"wh_ecocute","name":"ヒートポンプ給湯機（エコキュート）","name_en":null,"provider":null,"jurisdiction":null,"note":"空気の熱でお湯を沸かす電気式。ランニング最安だがタンク＋室外機で場所をとる。","note_en":null,"url":"https://www.hptcj.or.jp/study/tabid/102/Default.aspx","shop_url":null,"metrics":{"wh_running":90,"wh_initial":35,"wh_subsidy":80,"wh_eco":88,"wh_install":40,"wh_hotwater":70},"facts":[],"sources":{"wh_running":"editorial: 空気の熱を使い割安な時間帯の電気で沸かせる型でランニングは最安とされ、候補で最上位のため高め（2026-06初評）","wh_initial":"editorial: ヒートポンプの室外機と貯湯タンクの二つを据える工事が要り、初期費用の軽さは候補下位のため低め（2026-06初評）","wh_subsidy":"METI 給湯省エネ2026事業 (2026-06)","wh_eco":"editorial: 空気の熱をくみ上げて投入した電気より多くの熱を得るヒートポンプ式で、候補6タイプで最上位のため高め（2026-06初評）","wh_install":"editorial: 大きな貯湯タンクと室外機の両方で場所をとり基礎工事も要る型で、設置のしやすさは候補下位のため低め（2026-06初評）","wh_hotwater":"editorial: 沸かして貯めておく貯湯式でタンクを使い切ると沸き上げを待つ必要があり、候補下位のためやや高め（2026-06初評）"}},{"id":"wh_hybrid","name":"ハイブリッド給湯機（電気＋ガス）","name_en":null,"provider":null,"jurisdiction":null,"note":"ヒートポンプとガス瞬間式を併用。省エネと湯量を両取り。","note_en":null,"url":"https://www.jgka.or.jp/torikae_kounyuu/high_efficiency/hybrid/index.html","shop_url":null,"metrics":{"wh_running":80,"wh_initial":30,"wh_subsidy":90,"wh_eco":80,"wh_install":45,"wh_hotwater":90},"facts":[],"sources":{"wh_running":"editorial: 普段は効率のよいヒートポンプで沸かしガスは不足時だけ使う型で、エコキュートに次ぐ上位のため高め（2026-06初評）","wh_initial":"editorial: ヒートポンプとガス給湯器の両方を積む複合機で本体が高く、エコキュートより下の下位のため低め（2026-06初評）","wh_subsidy":"METI 給湯省エネ2026事業 (2026-06)","wh_eco":"editorial: ヒートポンプを主に使い足りない分だけガスで補う併用型で、省エネ性はエコキュートに次ぐ上位のため高め（2026-06初評）","wh_install":"editorial: 小さめのタンクとヒートポンプにガスの配管も加わり工事の種類が多く、候補下位寄りのため中位の下（2026-06初評）","wh_hotwater":"editorial: 貯めたお湯が減ってもガスの瞬間式が引き継ぐ併用型でお湯切れしにくく、候補で最上位のため高め（2026-06初評）"}},{"id":"wh_enefarm","name":"家庭用燃料電池（エネファーム）","name_en":null,"provider":null,"jurisdiction":null,"note":"ガスで発電しつつ排熱で給湯。初期費用は最高額だが補助も最大。","note_en":null,"url":"https://www.gas.or.jp/gas-life/enefarm/","shop_url":null,"metrics":{"wh_running":65,"wh_initial":15,"wh_subsidy":95,"wh_eco":72,"wh_install":30,"wh_hotwater":85},"facts":[],"sources":{"wh_running":"editorial: 自宅で発電した分だけ買う電気が減るがガスの使用量は増える仕組みで、候補の中ほどのためやや高め（2026-06初評）","wh_initial":"editorial: 発電ユニットと貯湯ユニットを組み合わせる構成で初期費用は最高額とされ、候補で最下位のため低め（2026-06初評）","wh_subsidy":"METI 給湯省エネ2026事業 (2026-06)","wh_eco":"editorial: ガスで発電しその排熱まで給湯に使い切る仕組みで効率は高いが、燃料はガスのため中ほどでやや高め（2026-06初評）","wh_install":"editorial: 発電と貯湯の二つのユニットを並べる広さが要り工事も大がかりで、設置のしやすさは最下位のため低め（2026-06初評）","wh_hotwater":"editorial: 貯湯タンクに加えて補助のガス熱源を備える構成でお湯切れしにくく、中ほどの同点のため高め（2026-06初評）"}},{"id":"wh_ecojaws","name":"ガス給湯器（エコジョーズ・潜熱回収型）","name_en":null,"provider":null,"jurisdiction":null,"note":"排気の潜熱を回収して効率化したガス式。本体が安く交換が早い。","note_en":null,"url":"https://www.gas.or.jp/gas-life/ecojozu/","shop_url":null,"metrics":{"wh_running":58,"wh_initial":85,"wh_subsidy":10,"wh_eco":52,"wh_install":85,"wh_hotwater":88},"facts":[],"sources":{"wh_running":"editorial: 潜熱回収でガスの使用量は従来型より減るがガス代は毎月かかり、候補下位寄りのため中位（2026-06初評）","wh_initial":"editorial: 本体が小さく安い壁掛けの瞬間式で交換工事も短く済み、初期費用の軽さは候補で最上位のため高め（2026-06初評）","wh_subsidy":"METI 給湯省エネ2026事業 (2026-06)","wh_eco":"editorial: 排気の潜熱を回収して効率を上げたガス式だが燃焼で熱を作る点は変わらず、候補下位寄りのため中位（2026-06初評）","wh_install":"editorial: 壁に掛けられる小型の本体で集合住宅にも置け交換も早く、設置のしやすさは候補で最上位のため高め（2026-06初評）","wh_hotwater":"editorial: 使うその場で沸かす瞬間式でタンクの残量に縛られず、湯量の余裕はハイブリッドに次ぐ上位のため高め（2026-06初評）"}},{"id":"wh_ecofeel","name":"石油給湯器（エコフィール・潜熱回収型）","name_en":null,"provider":null,"jurisdiction":null,"note":"潜熱回収型の灯油式。寒冷地やガス未供給地域で強い。","note_en":null,"url":"https://www.jgka.or.jp/torikae_kounyuu/high_efficiency/ecofeel/","shop_url":null,"metrics":{"wh_running":55,"wh_initial":72,"wh_subsidy":10,"wh_eco":48,"wh_install":58,"wh_hotwater":85},"facts":[],"sources":{"wh_running":"editorial: 潜熱回収で灯油の消費は抑えられるが灯油の値動きを受けやすく、ガス式のすぐ下のため中位（2026-06初評）","wh_initial":"editorial: 本体は比較的安いが灯油タンクの設置や配管が加わる型で、ガス式に次ぐ上位のためやや高め（2026-06初評）","wh_subsidy":"METI 給湯省エネ2026事業 (2026-06)","wh_eco":"editorial: 潜熱回収で効率は上げているが燃料が灯油で燃焼時の排出が多めになり、候補下位のため中位の下（2026-06初評）","wh_install":"editorial: 本体は小さめだが屋外に灯油タンクの置き場所が要り、ガス式から離れた二番手のため中位（2026-06初評）","wh_hotwater":"editorial: 灯油の強い火力で一気に沸かせ寒冷地でも湯温を保ちやすい型で、候補の中ほどの同点のため高め（2026-06初評）"}},{"id":"wh_denko","name":"電気温水器（電気ヒーター式）","name_en":null,"provider":null,"jurisdiction":null,"note":"電気ヒーターで加熱する貯湯式。構造が単純だがランニングは割高。","note_en":null,"url":null,"shop_url":null,"metrics":{"wh_running":40,"wh_initial":60,"wh_subsidy":5,"wh_eco":35,"wh_install":55,"wh_hotwater":65},"facts":[],"sources":{"wh_running":"editorial: 電気ヒーターで直接温めるため電気の消費が大きくランニングは割高で、候補で最下位のため低め（2026-06初評）","wh_initial":"editorial: 構造が単純なヒーター式だが貯湯タンクの本体と据え付けが要り、初期費用は候補の中ほどのため中位（2026-06初評）","wh_subsidy":"METI 給湯省エネ2026事業 (2026-06)","wh_eco":"editorial: 電気ヒーターで直接水を温める方式で熱をくみ上げる仕組みを持たず、省エネ性は候補で最下位のため低め（2026-06初評）","wh_install":"editorial: 室外機は要らないが大きな貯湯タンクの据え付け場所が必要で、設置のしやすさは候補の中ほどのため中位（2026-06初評）","wh_hotwater":"editorial: 貯湯式のうえ電気ヒーターは沸き上げに時間がかかり、使い切ると回復が遅く候補で最下位のため中位（2026-06初評）"}}],"profiles":[{"id":"wh_cost","name":"光熱費を最優先で下げたい","name_en":"Lowest running cost","weights":{"wh_running":0.4,"wh_initial":0.15,"wh_subsidy":0.1,"wh_eco":0.1,"wh_install":0.1,"wh_hotwater":0.15}},{"id":"wh_initial","name":"初期費用を抑えて急ぎ交換したい","name_en":"Cheap and fast swap","weights":{"wh_running":0.15,"wh_initial":0.45,"wh_subsidy":0.1,"wh_eco":0.05,"wh_install":0.15,"wh_hotwater":0.1}},{"id":"wh_eco","name":"省エネ・補助金を最大化したい","name_en":"Eco and subsidy max","weights":{"wh_running":0.19999999999999996,"wh_initial":0.04999999999999999,"wh_subsidy":0.29999999999999993,"wh_eco":0.29999999999999993,"wh_install":0.04999999999999999,"wh_hotwater":0.09999999999999998}},{"id":"wh_power","name":"大家族でお湯切れが心配","name_en":"High hot-water demand","weights":{"wh_running":0.15,"wh_initial":0.1,"wh_subsidy":0.05,"wh_eco":0.05,"wh_install":0.1,"wh_hotwater":0.55}},{"id":"wh_space","name":"設置スペースが狭い・集合住宅","name_en":"Tight space","weights":{"wh_running":0.20000000000000004,"wh_initial":0.15000000000000002,"wh_subsidy":0.05000000000000001,"wh_eco":0.05000000000000001,"wh_install":0.45000000000000007,"wh_hotwater":0.10000000000000002}}],"articles":[{"slug":"choose-water-heater-2026","title":"給湯器の選び方2026：エコキュート・エコジョーズ・ハイブリッドを補助金で選ぶ","dek":"壊れてからでは選べない。タイプ別の光熱費と2026年の補助金で、10年の固定費を最適化する。"}],"terms":[],"campaigns":[]}