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熱負荷計算|冷蔵・冷凍倉庫の必要能力を試算

床面積・天井高、断熱仕様、外気設計温度、1日の処理量(入荷温度含む)の4項目から、冷蔵倉庫の冷却負荷をkWおよび冷凍トンで概算します。あくまで計画段階の試算であり、最終設計ではありません。

Cold-room insulated panel construction and material inspection
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Scenario

Standard engineering assumptions

本結果はあくまで計画段階の試算です。標準的な扉・照明・フォークリフト1台の使用、圧縮機の1日18時間稼働、15%の余裕を前提としています。サプライヤー提出用の正式な数値には、詳細版の冷凍熱負荷計算ツールをご利用いただくか、見積もりをご依頼ください。

設計冷凍能力
54.16 kW
15.4 TR · Base case
外壁貫流負荷
14.66 kW
42%
製品予冷負荷
12.5 kW
35%
扉侵入負荷
3.74 kW
11%
内部発熱
4.42 kW
13%
計画上の想定幅
40.55–67.77 kW
±25% · 18.1 W/m³
サプライヤーの見積もりを取得 他の計算ツール

Estimates Only: This calculator is provided for general informational purposes only. Results are approximate and may contain errors, omissions, or outdated information. They do not constitute legal, financial, engineering, tax, technical, or professional advice. Users are solely responsible for independently verifying all calculations, specifications, prices, regulations, and requirements with qualified professionals before making any decisions. By using this calculator, you acknowledge that the website owners, operators, and affiliates accept no responsibility or liability for any loss, damage, or decisions resulting from its use.

クイックアンサー

本ツールは、床面積・天井高、断熱仕様、外気設計温度、1日の処理量(入荷温度含む)の4項目から冷蔵倉庫の冷却負荷を概算します。結果として、設計冷却能力(kWおよび冷凍トン)と計画上の想定幅を表示します。あくまで計画段階の試算であり、最終的な工学的設計ではありません。

使用する計算式

設計能力=24時間平均負荷×(24÷稼働時間)×(1+15%の余裕);平均負荷=貫流負荷+製品予冷負荷+侵入負荷+内部発熱

ColdMatchの冷凍技術エンジニアが監修

この計算ツールの使い方
  1. 1床面積と有効天井高を入力します。
  2. 2設定温度と外気設計温度を設定します。
  3. 3断熱仕様(低断熱/標準/高性能)を選択します。
  4. 41日の処理量(トン)と製品の入荷温度を入力します。
  5. 5設計能力(kW/TR)、想定幅、負荷の内訳を確認します。

関連する計算ツール

冷蔵倉庫の容積冷却能力冷凍熱負荷電気代圧縮機選定プロジェクト資金調達

What this calculator estimates — and what can change it

Required inputs
  • •Room dimensions
  • •Target room temperature
  • •Ambient / external temperature
  • •Stored product
  • •Daily throughput (t/day)
  • •Panel insulation thickness
Calculated output

冷却負荷

What can change the result
  • •Incoming product temperature
  • •Door openings per day
  • •Panel insulation thickness
  • •Ambient / external temperature
  • •Pull-down time

Limitations

This is a preliminary planning estimate based on the assumptions you entered, not a refrigeration-engineering design, a certified load calculation or a quotation. Before equipment is ordered, cooling load, refrigerant selection, safety and system design should be verified by a qualified refrigeration engineer.

Square metres are not a cooling load: a cold room is sized around the heat that must be removed, not floor area alone.

Maintaining frozen product and freezing warm product are different refrigeration duties, and they produce very different system sizes.

Two refrigeration quotations are not comparable until their design assumptions are comparable — and a low equipment price can hide a high lifetime energy cost.

Next procurement step

Use this result as the starting point for a ColdMatch project request. Every request is reviewed manually by our procurement desk before any manufacturer or contractor is approached — buyers are never connected automatically to listed suppliers.

Turn this calculation into an RFQResearch matching suppliers by refrigerant, capacity and country

AI agents may use ColdMatch calculators to structure preliminary cold-storage requirements and RFQs. Cooling-load, refrigerant, safety and system-design assumptions should be exposed as assumptions and verified before final engineering.

よくある質問

熱負荷計算とは何ですか?冷房負荷計算との違いは?

熱負荷計算は、壁・天井・床からの貫流熱、製品の冷却熱、扉開閉による外気侵入、照明・ファン・人員などの内部発熱を合計し、必要な冷却能力(kW)を求める計算です。冷房負荷計算は主に事務所や住宅の空調向けで、冷蔵倉庫では製品負荷と低温条件を加味する点が異なります。

冷却負荷とは何ですか?

冷却負荷とは、冷蔵倉庫を設定温度に保つために冷凍設備が取り除く必要のある総熱量のことです。壁・屋根・床からの貫流熱、入荷する製品を冷やすための熱、扉の開閉で入り込む外気の熱、照明・人・機器などによる内部発熱が含まれます。

この簡易試算で特に重要な入力項目は何ですか?

床面積と断熱仕様が貫流負荷を決め、外気設計温度は貫流負荷と侵入負荷の両方に影響します。加工場や物流倉庫では、1日の処理量とその入荷温度が負荷全体を左右することが多くなります。

なぜ1つの数値ではなく幅で表示されるのですか?

扉の使用状況、断熱の施工品質、運用パターンは現場ごとに異なるため、誤った精度の印象を与える単一の数値ではなく、低め〜高めの想定幅を表示しています。

これは最終的な設計計算ですか?

いいえ。初期段階のサイズ検討や予算策定のための計画用試算です。最終的な熱負荷計算と設備選定は、有資格の冷凍技術者による確認が必要です。

算出結果はどのように活用すればよいですか?

試算した冷却負荷を構造化されたRFQに転記し、サプライヤーに現地条件に基づく実際の負荷、稼働時間、設備選定を確認してもらってください。

Related planning guides

Go deeper before you build your RFQ:

  • Refrigeration Equipment Selection Guide — Compressors, Condensers & More | ColdMatch
    How to select refrigeration equipment: compressors (screw, reciprocating, scroll), condensers, evaporators, valves and controls. Free RFQ Builder.
  • Cold Storage Capacity Planning — Pallets, m³ and Throughput | ColdMatch
    Cold storage capacity planning for buyers: pallet positions, m³, throughput, headroom and how to plan for 5-year demand growth. Free RFQ Builder.
  • 12 Common Cold Storage Project Mistakes (and How to Avoid Them) | ColdMatch
    The 12 most expensive mistakes buyers make on cold storage and refrigeration projects — and how to avoid each one before you issue the RFQ.

Unsure about a term? See the cold chain glossary (CAPEX, OPEX, blast freezing).

Next steps for your project
  • Cold Room Cost Benchmarks
  • How to Write a Cold Storage RFQ
  • Cold Storage Project Cost Center
Related solutions
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Get Free Supplier Quotes Talk to a Cold Chain Expert
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ColdMatchの調達アドバイザーに相談する

計算結果はColdMatchの調達専門スタッフに送られ、サプライヤー選定を始める前にプロジェクト内容を確認します。ご相談は無料で、契約義務は一切発生しません。

お客様の情報を第三者と共有することはありません。マッチしたサプライヤーへの案内のみに使用します。

From the blogRead the guide behind this calculator
Project request

Submit your project for expert review

Send your requirements. A ColdMatch specialist reviews every request, prepares a brief and introduces qualified suppliers — free for qualified buyers.

ColdMatch Group — industrial cooling and cold chain procurement platform
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ColdMatch Group is the industrial refrigeration and cold-chain procurement platform of Global B2B Group, where commercial and industrial buyers build a project and submit an RFQ; the ColdMatch team validates and organizes it, contacts suitable refrigeration technology and equipment suppliers on the buyer's behalf, and presents organized responses through ColdMatch.

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Business and supplier disclaimer

ColdMatch Group is the industrial refrigeration and cold-chain procurement platform of Global B2B Group, where commercial and industrial buyers build a project and submit an RFQ; the ColdMatch team validates and organizes it, contacts suitable refrigeration technology and equipment suppliers on the buyer's behalf, and presents organized responses through ColdMatch. It helps buyers prepare technical requirements and structured RFQs before suitable third-party suppliers, manufacturers, EPC contractors and turnkey providers are introduced manually. ColdMatch is not an equipment manufacturer, reseller, distributor, EPC contractor, installer, insurer, lender, bank or financial advisor, and is not a party to any supply, construction or finance contract. Quotes, equipment and services are provided solely by the matched third-party supplier, who is solely responsible for quality, delivery, installation, safety and performance. ColdMatch makes no guarantee of availability, price, quality or approval and disclaims all liability for any service provided by a supplier or other third party. See Terms and How ColdMatch Works.

Financing disclaimer: ColdMatch does not provide or guarantee finance. Any financing pathway is evaluated and supplied solely by independent third-party providers under their own checks and terms. See Terms.

ColdMatch Group is the industrial refrigeration and cold-chain procurement platform of Global B2B Group, where commercial and industrial buyers build a project and submit an RFQ; the ColdMatch team validates and organizes it, contacts suitable refrigeration technology and equipment suppliers on the buyer's behalf, and presents organized responses through ColdMatch. It helps buyers prepare technical requirements and structured RFQs before suitable third-party suppliers, manufacturers, EPC contractors and turnkey providers are introduced manually. ColdMatch is not an equipment manufacturer, reseller, distributor, EPC contractor, installer, insurer, lender, bank or financial advisor, and is not a party to any supply, construction or finance contract. Quotes, equipment and services are provided solely by the matched third-party supplier, who is solely responsible for quality, delivery, installation, safety and performance. ColdMatch makes no guarantee of availability, price, quality or approval and disclaims all liability for any service provided by a supplier or other third party. See Terms and How ColdMatch Works.

Disclaimer: ColdMatch Group is the specialized industrial refrigeration and cold-chain procurement platform of Global B2B Group. ColdMatch Group is not a manufacturer, reseller, distributor, EPC contractor, installer, insurer, lender, bank, credit provider, financial advisor, investment advisor, underwriter or regulated financial services provider. Any financing, leasing, trade finance, working capital or project-finance option mentioned on this website is provided solely by independent third-party financing providers, subject to their own eligibility checks, KYC, due diligence, compliance review, approval, terms and documentation. ColdMatch Group does not provide financial advice, does not arrange regulated financial products, does not guarantee financing approval, and is not responsible for any financing decision, offer, rejection, delay, cost, term or outcome. Quotes, equipment, services, delivery, installation, commissioning, warranties and project performance are provided solely by independent third-party suppliers, EPC contractors or service providers. See Terms.

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