what boiler size

Wondering what size boiler do I need? The size of your boiler needs to be just right so you have enough heating without spending too much. This page will guide you on the factors in this decision and how to calculate the right output.

What size combi-boiler do I need? There are many complex combi boiler size calculators online that ask for in-depth information and will then provide a free boiler installation quote once they’ve got your contact info – you’ll also find 9 of the most well-known manufacturer’s boiler calculators at the end of the article.

Boiler size describes the heat output of a boiler in energy units, not the physical size of the boiler. Manufacturers measure boiler output in British thermal units (BTUs) per hour or boiler horsepower (BHP). BHP measurements usually only apply to very powerful and large capacity boilers, since one BHP equals 33,475 BTUs per hour.

What Boiler Do I Need. The Kilowatt output of your new boiler depends on the size of your house and your usage habits. There is no “fit-for-all” recipe when it comes to choosing the right output, however, this simple boiler guide will give you a good idea.

The customer said the old boiler heated the home “okay,” so you decide to match the old boiler’s size. Since the customer asked for an Alpine high efficiency condensing gas boiler, you review the product data sheet and discover that the closest Alpine models are 105,000 and 150,000 BTU/hr.

The boiler size recommended by a calculator should be adequate for the number of radiators needed in your entire home but figuring out which radiators to opt for in each room is the next step. You can use BestHeating’s BTU calculator to do this easily and it will indicate the BTU ...

Correct boiler size (kw) Hi, currently having differing advice from my builder/plumber and a 3rd party heating engineer regarding the correct size and brand for my replacement system boiler! My house is a 1960's 4 bed semi, cavity walls, uPVC double glazing, 2 bathrooms, 10 rads and a Megaflow tank.

If you oversize the boiler if will probably cycle slightly more often. If you undersize it then it will probably take a little longer to heat both the heating and HW when on at the same time in cold temperatures. Just our of interest how were others taught to size a boiler for a new installation.