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Calculator sarcină termică frigorifică

Defalcarea completă a sarcinii termice în kW — anvelopă, răcirea produselor, infiltrații și aporturi diverse pentru camere frigorifice și camere de congelare.

Cold-room insulated panel construction and material inspection
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Scenario

Standard engineering assumptions

Puterea frigorifică în kW reprezintă căldura extrasă din cameră — nu puterea electrică în kW. Putere electrică absorbită ≈ sarcină frigorifică ÷ COP al sistemului, plus consumurile auxiliare.

Estimare destinată exclusiv planificării. Puterea finală, selecția echipamentelor, agentul frigorific, cerințele de siguranță, prețul și performanța energetică trebuie confirmate de furnizorul calificat de instalații frigorifice selectat.

Sarcină frigorifică de calcul
48.91 kW
13.91 TR · Base case
Transmisie termică
11.52 kW
36%
Sarcină termică a produselor
12.5 kW
39%
Infiltrații
3.74 kW
12%
Aporturi interne + ventilatoare + degivrare
4.14 kW
13%
Sarcină medie pe 24 h
31.9 kW
765.5 kWh/day
Interval de incertitudine pentru planificare
36.35–61.47 kW
±26% · 16.3 W/m³
Solicită oferte de la furnizori Alte calculatoare

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 Results are approximate and may contain errors, omissions, or outdated information.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.

Răspuns rapid

Sarcina frigorifică totală este suma a patru componente: transmisia prin anvelopă, răcirea produselor, infiltrațiile de aer prin uși și aporturile interne de la ventilatoare, iluminat, stivuitoare și persoane. Într-un depozit frigorific obișnuit, transmisia reprezintă 25–40 %, produsele 20–45 %, infiltrațiile 15–30 %, iar aporturile interne 10–20 % din total.

Formula utilizată

Q total = Q transmission + Q product + Q infiltration + Q internal · Q transmission = U × A × ΔT

Verificat de inginerii frigorifiști ColdMatch

Cum se utilizează acest calculator
  1. 1Introdu dimensiunile camerei, grosimea panourilor și temperatura ambiantă de proiectare.
  2. 2Adaugă cantitatea zilnică de produse introduse și temperatura lor de intrare.
  3. 3Setează numărul zilnic de deschideri ale ușilor și sarcina echipamentelor interioare.
  4. 4Verifică defalcarea pe componente și folosește totalul în kW la selectarea echipamentelor.

Calculatoare conexe

Dimensiuni cameră frigorificăNecesar frigorificCostul energiei electriceDimensionarea compresorului

What this calculator estimates — and what can change it

Required inputs
  • •Room dimensions
  • •Stored product
  • •Incoming product temperature
  • •Target room temperature
  • •Daily throughput (t/day)
  • •Door openings per day
Calculated output

Sarcină termică frigorifică

What can change the result
  • •Freezing duty (latent heat)
  • •Incoming product temperature
  • •Humidity target
  • •Door openings per day
  • •Panel insulation thickness

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.

Întrebări frecvente

Care sunt componentele principale ale sarcinii?

Transmisia, răcirea produselor, infiltrațiile, iluminatul/motoarele și personalul.

Ce coeficient U se folosește pentru panouri?

Refrigerare 0.25–0.35, congelare 0.18–0.22, congelare rapidă 0.15 W/m²K sau mai bun.

Cât adaugă deschiderea ușilor?

În centrele de distribuție intens utilizate, infiltrațiile pot ajunge la 15–25% din sarcina totală.

Cum calculează instrumentul sarcina totală?

Însumează patru componente — transmisia prin anvelopă (U-value × surface × temperature difference), răcirea produselor, infiltrațiile de aer cald prin uși și aporturile interne de la persoane, iluminat și ventilatoare — apoi aplică o marjă de proiectare. Rezultatul este o putere estimată pentru planificare în kW, prezentată ca interval, nu ca valoare unică.

Ce date ar face estimarea mai precisă?

Deschiderile măsurate ale ușilor, temperaturile reale de intrare ale produselor și cantitatea zilnică introdusă, coeficientul U real din fișa tehnică a panoului, temperatura ambiantă locală de proiectare și puterea ventilatoarelor evaporatorului. Fiecare dată poate modifica totalul cu 5–15%, motiv pentru care instrumentul afișează un interval, evitând precizia falsă.

Trebuie să cumpăr echipamente dimensionate exact la această sarcină?

Nu. Sarcina de planificare este punctul de plecare: furnizorii adaugă propriile marje pentru dezghețare, nesimultaneitatea sarcinilor, funcționarea la sarcină parțială și capacitatea de rezervă. Folosește valoarea pentru a transmite tuturor furnizorilor aceeași bază, astfel încât ofertele să fie comparabile — nu ca dimensionare finală a echipamentelor.

Cum influențează deschiderea ușilor rezultatul?

În centrele de distribuție intens utilizate, doar infiltrațiile pot ajunge la 15–25% din sarcina totală. Dacă ușile se deschid frecvent sau nu au perdele din benzi, folosește mai întâi calculatorul de infiltrații prin uși și introdu valoarea obținută — diferența dintre o cameră etanșă și una intens utilizată este adesea cea mai mare componentă individuală a sarcinii.

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
Industrial Refrigeration Systems Cold Rooms Generators & Backup Power All solutions
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Vom trimite datele introduse în calculator unui specialist în achiziții ColdMatch, care verifică proiectul înainte de începerea căutării furnizorilor. Fără obligații.

Nu divulgăm niciodată datele dvs. Sunt folosite doar pentru informarea furnizorilor selectați.

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From the blogRead the guide behind this calculator
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ColdMatch Group — industrial cooling and cold chain procurement platform
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Because we care more.

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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