The BTU output requirements of your furnace must be determined by heat load and heat loss calculations on the area that is heated. You should consult several HVAC contractors for estimates and recommendations.
There are many factors that influence the BTU requirements of a furnace in any location.
60000
83% of 60000= 83% * 60000= 0.83 * 60000= 49,800
12% of 60000= 12% * 60000= 0.12 * 60000= 7200
9.5% of 60000= 9.5% * 60000= 0.095 * 60000= 5700
33% of 60000 = 33% * 60000 = 0.33 * 60000 = 19,800
23% of 60000= 23% * 60000= 0.23 * 60000= 13,800
17% of 60,000= 17% * 60000= 0.17 * 60000= 10,200
60 percent of 60000 = 3600060% of 60000= 60% * 60000= 60%/100% * 60000= 360000/10= 36000
£60000 is worth £60000 in London.
10^5
60000 + 75% = 60000 x (1 + (75/100)) = 60000 x 1.75 = 105000
110% of 60,000= 110% * 60000= 1.1 * 60000= 66,000