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Calculators

If you’re thinking: “How much R32 refrigerant is allowed in this room?” or “what size air conditioning unit do I need?” this page will help...

The information below will provide a guide to sizing air conditioning and estimating running costs.(Actual costs may vary according to how the equipment is used.)

Your Results

Room Name

Estimated floor area in m2

Estimated highest office heat gain

Estimated solar gain

Air Conditioning unit duty rate required

(Yearly running cost based on running Monday to Friday for 10 hours a day and paying)

For Electricity per kW/hr

For Gas per kW/hr

Our Calculation

Estimated
Run Cost
CO2 emissions
in kg
Air Conditioning Summer Cooling cost
Estimated Run Cost CO2 emissions in kg
Air Conditioning Winter Heating cost
Estimated Run Cost CO2 emissions in kg

Other similar sized equipment

Running a boiler and radiators
Estimated Run Cost CO2 emissions in kg
Using an electric heater for heat
Estimated Run Cost CO2 emissions in kg
?

Did you know that air conditioning is one of the most energy efficient forms of heating, see the expected saving against using air conditioning for heat.

Savings

Boiler
& Rads
Electric
Heater
Energy consumption savings
Boiler Rads Electric Heater
CO2 emmissions savings
Boiler Rads Electric Heater

Please note that by requesting a quote or bespoke calculation, your email address will only be used to respond to you. It will not be added to any marketing database, or shared with anyone else.
Contact us for a quotation on this unit Contact us for a bespoke calculation Restart Calculation
Sizing and Running Costs

Did you know that Airmaster can offer up to 7 years warranty with most major brands? Contact us to find out more.

The information below will provide a guide to R32 refrigerant charge alowances for air conditioning

Your Results

Site

Room

Height of unit from the floor

Length of the room

Width of the room

Proposed systems refrigerant charge

Our Calculation

Total R32 Refrigerant Charge allowable for this room
Proposed system charge
The GWP rating of R32 is
The carbon loading of this system is

Please note that by requesting a quote or bespoke calculation, your email address will only be used to respond to you. It will not be added to any marketing database, or shared with anyone else.
Contact us for a quotation on this unit Contact us for help with this calculation Restart Calculation
R32

If your not sure what height to put in for your calculation use the following:

  • 0.6m for a floor mounted unit
  • 1.8m for a wall mounted unit
  • 2.2m for a ceiling mounted unit

Currently the limit for a single refrigerant charge is 11.97kg unless additional measures are taken out, so If your calculation exceeds 11.97kg then contact us for help.